├── .gitignore ├── LICENSE ├── Makefile ├── README.md ├── doc ├── arduino_one_pin.png ├── arduino_one_pin.sr ├── arduino_two_pins.sr ├── eps_two_pins.sr ├── esp_circuit_onepin.png ├── esp_circuit_onepin_voltage_divider.png ├── esp_circuit_twopins.png └── esp_two_pins.png ├── driver ├── Makefile ├── easygpio │ ├── .gitignore │ ├── LICENSE │ ├── Makefile │ ├── README.md │ ├── easygpio.c │ ├── examples │ │ ├── dependencies │ │ │ ├── easygpio │ │ │ │ └── .keep │ │ │ └── stdout │ │ │ │ ├── .gitignore │ │ │ │ ├── README.md │ │ │ │ ├── include │ │ │ │ └── stdout │ │ │ │ │ ├── stdout.h │ │ │ │ │ └── uart_hw.h │ │ │ │ └── stdout.c │ │ ├── readgpio │ │ │ ├── Makefile │ │ │ ├── include │ │ │ │ └── user_config.h │ │ │ ├── localinclude │ │ │ │ └── .keep │ │ │ └── user │ │ │ │ └── user_main.c │ │ └── writegpio │ │ │ ├── Makefile │ │ │ ├── include │ │ │ └── user_config.h │ │ │ ├── localinclude │ │ │ └── .keep │ │ │ └── user │ │ │ └── user_main.c │ └── include │ │ └── easygpio │ │ └── easygpio.h ├── ping │ ├── Makefile │ ├── include │ │ └── ping │ │ │ └── ping.h │ └── ping.c └── stdout │ ├── .gitignore │ ├── README.md │ ├── include │ └── stdout │ │ ├── stdout.h │ │ └── uart_hw.h │ └── stdout.c ├── include └── user_config.h └── user └── user_main.c /.gitignore: -------------------------------------------------------------------------------- 1 | # Object files 2 | *.o 3 | *.ko 4 | *.obj 5 | *.elf 6 | 7 | # Precompiled Headers 8 | *.gch 9 | *.pch 10 | 11 | # Libraries 12 | *.lib 13 | *.a 14 | *.la 15 | *.lo 16 | 17 | # Shared objects (inc. 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Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | # Changelog 2 | # Changed the variables to include the header file directory 3 | # Added global var for the XTENSA tool root 4 | # 5 | # This make file still needs some work. 6 | # 7 | # 8 | # Output directors to store intermediate compiled files 9 | # relative to the project directory 10 | BUILD_BASE = build 11 | FW_BASE = firmware 12 | ESPTOOL = esptool.py 13 | 14 | 15 | # name for the target project 16 | TARGET = app 17 | 18 | # linker script used for the above linkier step 19 | LD_SCRIPT = eagle.app.v6.ld 20 | 21 | # we create two different files for uploading into the flash 22 | # these are the names and options to generate them 23 | FW_1 = 0x00000 24 | FW_2 = 0x40000 25 | 26 | FLAVOR ?= release 27 | 28 | 29 | ############################################################# 30 | # Select compile 31 | # 32 | ifeq ($(OS),Windows_NT) 33 | # WIN32 34 | # We are under windows. 35 | ifeq ($(XTENSA_CORE),lx106) 36 | # It is xcc 37 | AR = xt-ar 38 | CC = xt-xcc 39 | LD = xt-xcc 40 | NM = xt-nm 41 | CPP = xt-cpp 42 | OBJCOPY = xt-objcopy 43 | #MAKE = xt-make 44 | CCFLAGS += -Os --rename-section .text=.irom0.text --rename-section .literal=.irom0.literal 45 | else 46 | # It is gcc, may be cygwin 47 | # Can we use -fdata-sections? 48 | CCFLAGS += -Os -ffunction-sections -fno-jump-tables 49 | AR = xtensa-lx106-elf-ar 50 | CC = xtensa-lx106-elf-gcc 51 | LD = xtensa-lx106-elf-gcc 52 | NM = xtensa-lx106-elf-nm 53 | CPP = xtensa-lx106-elf-cpp 54 | OBJCOPY = xtensa-lx106-elf-objcopy 55 | endif 56 | ESPPORT ?= com1 57 | SDK_BASE ?= c:/Espressif/ESP8266_SDK 58 | ifeq ($(PROCESSOR_ARCHITECTURE),AMD64) 59 | # ->AMD64 60 | endif 61 | ifeq ($(PROCESSOR_ARCHITECTURE),x86) 62 | # ->IA32 63 | endif 64 | else 65 | # We are under other system, may be Linux. Assume using gcc. 66 | # Can we use -fdata-sections? 67 | ESPPORT ?= /dev/ttyUSB0 68 | SDK_BASE ?= /opt/local/esp-open-sdk/sdk 69 | 70 | CCFLAGS += -Os -ffunction-sections -fno-jump-tables 71 | AR = xtensa-lx106-elf-ar 72 | CC = xtensa-lx106-elf-gcc 73 | LD = xtensa-lx106-elf-gcc 74 | NM = xtensa-lx106-elf-nm 75 | CPP = xtensa-lx106-elf-cpp 76 | OBJCOPY = xtensa-lx106-elf-objcopy 77 | UNAME_S := $(shell uname -s) 78 | 79 | ifeq ($(UNAME_S),Linux) 80 | # LINUX 81 | endif 82 | ifeq ($(UNAME_S),Darwin) 83 | # OSX 84 | endif 85 | UNAME_P := $(shell uname -p) 86 | ifeq ($(UNAME_P),x86_64) 87 | # ->AMD64 88 | endif 89 | ifneq ($(filter %86,$(UNAME_P)),) 90 | # ->IA32 91 | endif 92 | ifneq ($(filter arm%,$(UNAME_P)),) 93 | # ->ARM 94 | endif 95 | endif 96 | ############################################################# 97 | 98 | 99 | # which modules (subdirectories) of the project to include in compiling 100 | MODULES = driver/stdout driver/easygpio driver/ping user 101 | EXTRA_INCDIR = include $(SDK_BASE)/../include 102 | 103 | # libraries used in this project, mainly provided by the SDK 104 | LIBS = c gcc hal phy pp net80211 lwip wpa main 105 | 106 | # compiler flags using during compilation of source files 107 | CFLAGS = -Os -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH 108 | 109 | # linker flags used to generate the main object file 110 | LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static 111 | 112 | ifeq ($(FLAVOR),debug) 113 | CFLAGS += -O0 114 | LDFLAGS += -O0 115 | endif 116 | 117 | ifeq ($(FLAVOR),release) 118 | CFLAGS += -O2 119 | LDFLAGS += -O2 120 | endif 121 | 122 | 123 | 124 | # various paths from the SDK used in this project 125 | SDK_LIBDIR = lib 126 | SDK_LDDIR = ld 127 | SDK_INCDIR = include include/json 128 | 129 | #### 130 | #### no user configurable options below here 131 | #### 132 | FW_TOOL ?= $(ESPTOOL) 133 | SRC_DIR := $(MODULES) 134 | BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES)) 135 | 136 | SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR)) 137 | SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR)) 138 | 139 | SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c)) 140 | OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC)) 141 | LIBS := $(addprefix -l,$(LIBS)) 142 | APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a) 143 | TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out) 144 | 145 | LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT)) 146 | 147 | INCDIR := $(addprefix -I,$(SRC_DIR)) 148 | EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR)) 149 | MODULE_INCDIR := $(addsuffix /include,$(INCDIR)) 150 | 151 | FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_1).bin) 152 | FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_2).bin) 153 | 154 | V ?= $(VERBOSE) 155 | ifeq ("$(V)","1") 156 | Q := 157 | vecho := @true 158 | else 159 | Q := @ 160 | vecho := @echo 161 | endif 162 | 163 | vpath %.c $(SRC_DIR) 164 | 165 | define compile-objects 166 | $1/%.o: %.c 167 | $(vecho) "CC $$<" 168 | $(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@ 169 | endef 170 | 171 | .PHONY: all checkdirs clean 172 | 173 | all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2) 174 | 175 | $(FW_FILE_1): $(TARGET_OUT) 176 | $(vecho) "FW $@" 177 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 178 | 179 | $(FW_FILE_2): $(TARGET_OUT) 180 | $(vecho) "FW $@" 181 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 182 | 183 | $(TARGET_OUT): $(APP_AR) 184 | $(vecho) "LD $@" 185 | $(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@ 186 | 187 | $(APP_AR): $(OBJ) 188 | $(vecho) "AR $@" 189 | $(Q) $(AR) cru $@ $^ 190 | 191 | checkdirs: $(BUILD_DIR) $(FW_BASE) 192 | 193 | $(BUILD_DIR): 194 | $(Q) mkdir -p $@ 195 | 196 | firmware: 197 | $(Q) mkdir -p $@ 198 | 199 | flash: $(FW_FILE_1) $(FW_FILE_2) 200 | $(ESPTOOL) -p $(ESPPORT) write_flash $(FW_1) $(FW_FILE_1) $(FW_2) $(FW_FILE_2) 201 | 202 | test: flash 203 | screen $(ESPPORT) 115200 204 | 205 | rebuild: clean all 206 | 207 | clean: 208 | $(Q) rm -f $(APP_AR) 209 | $(Q) rm -f $(TARGET_OUT) 210 | $(Q) rm -rf $(BUILD_DIR) 211 | $(Q) rm -rf $(BUILD_BASE) 212 | $(Q) rm -f $(FW_FILE_1) 213 | $(Q) rm -f $(FW_FILE_2) 214 | $(Q) rm -rf $(FW_BASE) 215 | 216 | $(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir)))) 217 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # esp8266_ping 2 | A HC-SR04, HY-SRF05 driver and example for the esp8266. 3 | ``` 4 | #include "ping/ping.h" 5 | .... 6 | static Ping_Data pingA; 7 | .... 8 | // setup 9 | int triggerPin = 0; 10 | int echoPin = 2; 11 | ping_init(&pingA, triggerPin, echoPin, PING_MM); // set the trigger and echo pin to the same number for one-pin mode 12 | 13 | .... 14 | // loop: 15 | float distance = 0; 16 | float maxDistance = 500; 17 | if (ping_pingDistance(&pingA, maxDistance, &distance) ) { 18 | os_printf("Response ~ %d mm \n", (int)distance); 19 | } else { 20 | os_printf("Failed to get any response.\n"); 21 | } 22 | ``` 23 | 24 | Makefile: 25 | ``` 26 | MODULES = driver/stdout driver/easygpio driver/ping user 27 | ``` 28 | 29 | ##Circuit 30 | The HC-SR04 is a 5V device, so you will (at the very least) need a [voltage divider](http://elinux.org/RPi_GPIO_Interface_Circuits#Voltage_divider) on the echo pin. 31 | Or even better: [a logic level shifter.](http://elinux.org/RPi_GPIO_Interface_Circuits#Level_Shifters) 32 | 33 | ![Two pins](/doc/esp_circuit_twopins.png) 34 | ### single pin mode 35 | 36 | ![Single pin mode - level shifter](/doc/esp_circuit_onepin.png) 37 | 38 | If you want to run this in 'single pin mode' behind a logic level shifter you can connect the echo pin on the 3V3 side to the trigger GPIO via a 4KΩ:ish resistor. This works for a [a classic MOSFET level shifter](http://elinux.org/RPi_GPIO_Interface_Circuits#Classic_MOSFET_level_shifter) built out of two BSS138 and four 10KΩ resistors. Make sure that the esp GPIO reads low (input mode) when HC-SR04 echo pin is driven low. If it reads high the R2 resistor needs lower resistance. 39 | 40 | Wiring echo & trigger together on the 5V side does *not* work with a classic mosfet level shifter. 41 | 42 | ![Single pin mode - voltage divider](/doc/esp_circuit_onepin_voltage_divider.png) 43 | 44 | Another working solution is a voltage divider (5V to 3.3V) between HC-SR04 echo and ground. Connect HC-SR04 trigger and esp GPIO to the middle of the divider. 45 | 46 | 47 | ### other sensors 48 | The arduino library [newping](https://code.google.com/p/arduino-new-ping/) supports a whole range of ultrasonic sensors: SR04, SRF05, SRF06, DYP-ME007 & Parallax PING™. This without making any special hardware considerations in the code. So this library should work with those sensors as well. 49 | 50 | ## TODO 51 | 52 | * ~~inches~~ 53 | * ~~single pin mode~~ 54 | * ~~multiple sensors~~ 55 | * ~~sdk v0.9.5 compability~~ 56 | * ~~check compability SRF05~~ SRF05 works w/o any modifications 57 | * check compability SRF06 58 | * check compability DYP-ME007 59 | * check compability Parallax PING™ 60 | 61 | ## License 62 | 63 | GPL V3 64 | 65 | The makefile is copied from [esp_mqtt.](https://github.com/tuanpmt/esp_mqtt) 66 | 67 | ###Building and installing: 68 | 69 | First you need to install the sdk and the easy way of doing that is to use [esp_open_sdk.](https://github.com/pfalcon/esp-open-sdk) 70 | 71 | You can put that anywhere you like (/opt/local/esp-open-sdk, /esptools etc etc) 72 | 73 | Then you could create a small ```setenv.sh``` file, containing the location of your newly compiled sdk and other platform specific info; 74 | ``` 75 | export SDK_BASE=/opt/local/esp-open-sdk/sdk 76 | export PATH=${SDK_BASE}/../xtensa-lx106-elf/bin:${PATH} 77 | export ESPPORT=/dev/ttyO0 78 | ``` 79 | (or setup your IDE to do the same) 80 | 81 | To make a clean build, flash and connect to the esp console you just do this in a shell: 82 | ``` 83 | source setenv.sh # This is only needed once per session 84 | make clean && make test 85 | ``` 86 | 87 | You won't be needing esptool, the makefile only uses esptool.py (provided by [esp_open_sdk](https://github.com/pfalcon/esp-open-sdk)) 88 | 89 | I have tested this with sdk v1.5.2, v0.9.4 and v0.9.5 (linux & mac) 90 | -------------------------------------------------------------------------------- /doc/arduino_one_pin.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/arduino_one_pin.png -------------------------------------------------------------------------------- /doc/arduino_one_pin.sr: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/arduino_one_pin.sr -------------------------------------------------------------------------------- /doc/arduino_two_pins.sr: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/arduino_two_pins.sr -------------------------------------------------------------------------------- /doc/eps_two_pins.sr: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/eps_two_pins.sr -------------------------------------------------------------------------------- /doc/esp_circuit_onepin.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/esp_circuit_onepin.png -------------------------------------------------------------------------------- /doc/esp_circuit_onepin_voltage_divider.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/esp_circuit_onepin_voltage_divider.png -------------------------------------------------------------------------------- /doc/esp_circuit_twopins.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/esp_circuit_twopins.png -------------------------------------------------------------------------------- /doc/esp_two_pins.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/doc/esp_two_pins.png -------------------------------------------------------------------------------- /driver/Makefile: -------------------------------------------------------------------------------- 1 | 2 | ############################################################# 3 | # Required variables for each makefile 4 | # Discard this section from all parent makefiles 5 | # Expected variables (with automatic defaults): 6 | # CSRCS (all "C" files in the dir) 7 | # SUBDIRS (all subdirs with a Makefile) 8 | # GEN_LIBS - list of libs to be generated () 9 | # GEN_IMAGES - list of images to be generated () 10 | # COMPONENTS_xxx - a list of libs/objs in the form 11 | # subdir/lib to be extracted and rolled up into 12 | # a generated lib/image xxx.a () 13 | # 14 | ifndef PDIR 15 | GEN_LIBS = libdriver.a 16 | endif 17 | 18 | 19 | ############################################################# 20 | # Configuration i.e. compile options etc. 21 | # Target specific stuff (defines etc.) goes in here! 22 | # Generally values applying to a tree are captured in the 23 | # makefile at its root level - these are then overridden 24 | # for a subtree within the makefile rooted therein 25 | # 26 | #DEFINES += 27 | 28 | ############################################################# 29 | # Recursion Magic - Don't touch this!! 30 | # 31 | # Each subtree potentially has an include directory 32 | # corresponding to the common APIs applicable to modules 33 | # rooted at that subtree. Accordingly, the INCLUDE PATH 34 | # of a module can only contain the include directories up 35 | # its parent path, and not its siblings 36 | # 37 | # Required for each makefile to inherit from the parent 38 | # 39 | 40 | INCLUDES := $(INCLUDES) -I $(PDIR)include 41 | INCLUDES += -I ./ 42 | PDIR := ../$(PDIR) 43 | sinclude $(PDIR)Makefile 44 | 45 | -------------------------------------------------------------------------------- /driver/easygpio/.gitignore: -------------------------------------------------------------------------------- 1 | # eclipse project files 2 | .cproject 3 | .project 4 | .settings 5 | 6 | # esp build files 7 | *.bin 8 | 9 | # Object files 10 | *.o 11 | *.ko 12 | *.obj 13 | *.elf 14 | 15 | # Precompiled Headers 16 | *.gch 17 | *.pch 18 | 19 | # Libraries 20 | *.lib 21 | *.a 22 | *.la 23 | *.lo 24 | 25 | # Shared objects (inc. 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Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | -------------------------------------------------------------------------------- /driver/easygpio/Makefile: -------------------------------------------------------------------------------- 1 | 2 | ############################################################# 3 | # Required variables for each makefile 4 | # Discard this section from all parent makefiles 5 | # Expected variables (with automatic defaults): 6 | # CSRCS (all "C" files in the dir) 7 | # SUBDIRS (all subdirs with a Makefile) 8 | # GEN_LIBS - list of libs to be generated () 9 | # GEN_IMAGES - list of images to be generated () 10 | # COMPONENTS_xxx - a list of libs/objs in the form 11 | # subdir/lib to be extracted and rolled up into 12 | # a generated lib/image xxx.a () 13 | # 14 | ifndef PDIR 15 | GEN_LIBS = libeasygpio.a 16 | endif 17 | 18 | 19 | ############################################################# 20 | # Configuration i.e. compile options etc. 21 | # Target specific stuff (defines etc.) goes in here! 22 | # Generally values applying to a tree are captured in the 23 | # makefile at its root level - these are then overridden 24 | # for a subtree within the makefile rooted therein 25 | # 26 | #DEFINES += 27 | 28 | ############################################################# 29 | # Recursion Magic - Don't touch this!! 30 | # 31 | # Each subtree potentially has an include directory 32 | # corresponding to the common APIs applicable to modules 33 | # rooted at that subtree. Accordingly, the INCLUDE PATH 34 | # of a module can only contain the include directories up 35 | # its parent path, and not its siblings 36 | # 37 | # Required for each makefile to inherit from the parent 38 | # 39 | 40 | INCLUDES := $(INCLUDES) -I $(PDIR)include 41 | INCLUDES += -I ./ 42 | PDIR := ../$(PDIR) 43 | sinclude $(PDIR)Makefile 44 | 45 | -------------------------------------------------------------------------------- /driver/easygpio/README.md: -------------------------------------------------------------------------------- 1 | # esp8266_easygpio 2 | An easy way of setting up esp8266 GPIO pins. 3 | 4 | I grew tired of juggling gpio pin numbers, gpio names and gpio functions. So i created this little helper library. 5 | 6 | To setup a pin as a GPIO input you can now just do this: 7 | 8 | ``` 9 | #include "easygpio/easygpio.h" 10 | ... 11 | bool easygpio_pinMode(0, EASYGPIO_NOPULL, EASYGPIO_INPUT); 12 | ``` 13 | 14 | Same thing with outputs: 15 | ``` 16 | bool easygpio_pinMode(1, EASYGPIO_NOPULL, EASYGPIO_OUTPUT); 17 | ``` 18 | pullStatus does not apply to output pins. 19 | 20 | You might still need the gpio_name and func. No problem: 21 | ``` 22 | bool easygpio_getGPIONameFunc(uint8_t gpio_pin, uint32_t *gpio_name, uint8_t *gpio_func) 23 | ``` 24 | 25 | You can even setup an interrupt handler: 26 | ``` 27 | bool easygpio_attachInterrupt(uint8_t gpio_pin, EasyGPIO_PullStatus pullStatus, void (*interruptHandler)(void* arg), void *interruptArg) 28 | ``` 29 | 30 | You can use the methods and macros defined in gpio.h (from the sdk) to access the 'standard' gpio pins (not GPIO16). 31 | ``` 32 | #include "gpio.h" 33 | ... 34 | GPIO_OUTPUT_SET(gpio_no, bit_value) // GPIO_OUTPUT_SET(0,1) sets gpio0 to high 35 | GPIO_DIS_OUTPUT(gpio_no) // GPIO_DIS_OUTPUT(2) turns off output on gpio2 36 | GPIO_INPUT_GET(gpio_no) // GPIO_INPUT_GET(12) returns the input value of gpio12 37 | ``` 38 | 39 | To access *all* of the pins in an uniform way you can use 40 | ``` 41 | uint8_t easygpio_inputGet(uint8_t gpio_pin); 42 | void easygpio_outputSet(uint8_t gpio_pin, uint8_t value); 43 | ``` 44 | However, you should not rely on that these methods will change input/output status of a pin (like the gpio.h macros does). 45 | 46 | e.g. if you call ```easygpio_outputSet``` on an input pin, the pin may or may not remain an input. This is because of performance and uniformity reasons. ```easygpio_outputSet(16,1)``` will never flip gpio16 to an output, and we can't have access methods with different semantics depending on pin number). 47 | 48 | So if you need to change the input/output mode of a pin on the fly, you can use ```easygpio_outputDisable()``` or ```easygpio_outputEnable()```. 49 | 50 | ###Available pins 51 | 52 | Pin number | Note 53 | -----------|------ 54 | GPIO0 | this pin selects bootmode [(pull up for *normal* boot)](https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process#esp-boot-modes) 55 | GPIO1 | normally UART0 TX 56 | GPIO2 | this pin selects bootmode [(pull up for *normal* boot)](https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process#esp-boot-modes) 57 | GPIO3 | normally UART0 RX (you can use [stdout](https://github.com/eadf/esp8266_stdout) to use it as GPIO) 58 | GPIO4 | sometimes mislabeled as GPIO5 (esp-12) 59 | GPIO5 | sometimes mislabeled as GPIO4 (esp-12) 60 | GPIO12 | 61 | GPIO13 | 62 | GPIO14 | 63 | GPIO15 | this pin selects bootmode [(pull down for *normal* boot)](https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process#esp-boot-modes) 64 | GPIO16 | requires easygpio_inputGet() & easygpio_outputSet() access methods (no interrupt on this pin) 65 | 66 | All the GPIOs mentioned in ```easgle_soc.h``` are supported, but maybe we should not mess with the internal SPI pins for GPIO. 67 | 68 | ## Usage 69 | 70 | The project has been designed for easy reuse, just create a folder with these files in it ([git subtree](http://blogs.atlassian.com/2013/05/alternatives-to-git-submodule-git-subtree) works great for that purpose). Then point your ```MODULES``` variable (or whatever subdirectory construct you use) in the ```Makefile``` to that folder . If you find yourself manually copying these individial .c and .h files - you're doing it wrong. 71 | 72 | See an example on how this library can be used [here](https://github.com/eadf/esp8266_digoleserial), [here](https://github.com/eadf/esp_mqtt_lcd), [here](https://github.com/eadf/esp8266_ping), [here](https://github.com/eadf/esp_mqtt_ports) - bha.. practically all of my esp projects uses it. 73 | 74 | ## Todo 75 | * Find the correct ```READ_PERI_REG()``` address for ```easygpio_inputGet()```, now it's simply using ```GPIO_INPUT_GET()``` 76 | 77 | ## Required: 78 | 79 | esp-open-sdk-v0.9.5 or higher. 80 | 81 | I've successfully tested this with sdk v1.5.2 and v0.9.5 (linux & mac). 82 | -------------------------------------------------------------------------------- /driver/easygpio/easygpio.c: -------------------------------------------------------------------------------- 1 | /* 2 | * easygpio.c 3 | * 4 | * Copyright (c) 2015, eadf (https://github.com/eadf) 5 | * All rights reserved. 6 | * 7 | * Redistribution and use in source and binary forms, with or without 8 | * modification, are permitted provided that the following conditions are met: 9 | * 10 | * * Redistributions of source code must retain the above copyright notice, 11 | * this list of conditions and the following disclaimer. 12 | * * Redistributions in binary form must reproduce the above copyright 13 | * notice, this list of conditions and the following disclaimer in the 14 | * documentation and/or other materials provided with the distribution. 15 | * * Neither the name of Redis nor the names of its contributors may be used 16 | * to endorse or promote products derived from this software without 17 | * specific prior written permission. 18 | * 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 | * POSSIBILITY OF SUCH DAMAGE. 30 | */ 31 | 32 | #include "easygpio/easygpio.h" 33 | #include "gpio.h" 34 | #include "osapi.h" 35 | #include "ets_sys.h" 36 | 37 | #define EASYGPIO_USE_GPIO_INPUT_GET 38 | 39 | static void ICACHE_FLASH_ATTR 40 | gpio16_output_conf(void) { 41 | WRITE_PERI_REG(PAD_XPD_DCDC_CONF, 42 | (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbcUL) | 0x1UL); // mux configuration for XPD_DCDC to output rtc_gpio0 43 | 44 | WRITE_PERI_REG(RTC_GPIO_CONF, 45 | (READ_PERI_REG(RTC_GPIO_CONF) & 0xfffffffeUL) | 0x0UL); //mux configuration for out enable 46 | 47 | WRITE_PERI_REG(RTC_GPIO_ENABLE, 48 | (READ_PERI_REG(RTC_GPIO_ENABLE) & 0xfffffffeUL) | 0x1UL); //out enable 49 | } 50 | 51 | static void ICACHE_FLASH_ATTR 52 | gpio16_input_conf(void) { 53 | WRITE_PERI_REG(PAD_XPD_DCDC_CONF, 54 | (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbcUL) | 0x1UL); // mux configuration for XPD_DCDC and rtc_gpio0 connection 55 | 56 | WRITE_PERI_REG(RTC_GPIO_CONF, 57 | (READ_PERI_REG(RTC_GPIO_CONF) & 0xfffffffeUL) | 0x0UL); //mux configuration for out enable 58 | 59 | WRITE_PERI_REG(RTC_GPIO_ENABLE, 60 | READ_PERI_REG(RTC_GPIO_ENABLE) & 0xfffffffeUL); //out disable 61 | } 62 | 63 | /** 64 | * Returns the number of active pins in the gpioMask. 65 | */ 66 | uint8_t ICACHE_FLASH_ATTR 67 | easygpio_countBits(uint32_t gpioMask) { 68 | 69 | uint8_t i=0; 70 | uint8_t numberOfPins=0; 71 | for (i=0; i<32; i++){ 72 | numberOfPins += (gpioMask & BIT(i))?1:0; 73 | } 74 | return numberOfPins; 75 | } 76 | 77 | /** 78 | * Returns the gpio name and func for a specific pin. 79 | */ 80 | bool ICACHE_FLASH_ATTR 81 | easygpio_getGPIONameFunc(uint8_t gpio_pin, uint32_t *gpio_name, uint8_t *gpio_func) { 82 | 83 | if (gpio_pin == 6 || gpio_pin == 7 || gpio_pin == 8 || gpio_pin == 11 || gpio_pin >= 17) { 84 | os_printf("easygpio_getGPIONameFunc Error: There is no GPIO%d, check your code\n", gpio_pin); 85 | return false; 86 | } 87 | if (gpio_pin == 16) { 88 | os_printf("easygpio_getGPIONameFunc Error: GPIO16 does not have gpio_name and gpio_func\n"); 89 | return false; 90 | } 91 | switch ( gpio_pin ) { 92 | case 0: 93 | *gpio_func = FUNC_GPIO0; 94 | *gpio_name = PERIPHS_IO_MUX_GPIO0_U; 95 | return true; 96 | case 1: 97 | *gpio_func = FUNC_GPIO1; 98 | *gpio_name = PERIPHS_IO_MUX_U0TXD_U; 99 | return true; 100 | case 2: 101 | *gpio_func = FUNC_GPIO2; 102 | *gpio_name = PERIPHS_IO_MUX_GPIO2_U; 103 | return true; 104 | case 3: 105 | *gpio_func = FUNC_GPIO3; 106 | *gpio_name = PERIPHS_IO_MUX_U0RXD_U; 107 | return true; 108 | case 4: 109 | *gpio_func = FUNC_GPIO4; 110 | *gpio_name = PERIPHS_IO_MUX_GPIO4_U; 111 | return true; 112 | case 5: 113 | *gpio_func = FUNC_GPIO5; 114 | *gpio_name = PERIPHS_IO_MUX_GPIO5_U; 115 | return true; 116 | case 9: 117 | *gpio_func = FUNC_GPIO9; 118 | *gpio_name = PERIPHS_IO_MUX_SD_DATA2_U; 119 | return true; 120 | case 10: 121 | *gpio_func = FUNC_GPIO10; 122 | *gpio_name = PERIPHS_IO_MUX_SD_DATA3_U; 123 | return true; 124 | case 12: 125 | *gpio_func = FUNC_GPIO12; 126 | *gpio_name = PERIPHS_IO_MUX_MTDI_U; 127 | return true; 128 | case 13: 129 | *gpio_func = FUNC_GPIO13; 130 | *gpio_name = PERIPHS_IO_MUX_MTCK_U; 131 | return true; 132 | case 14: 133 | *gpio_func = FUNC_GPIO14; 134 | *gpio_name = PERIPHS_IO_MUX_MTMS_U; 135 | return true; 136 | case 15: 137 | *gpio_func = FUNC_GPIO15; 138 | *gpio_name = PERIPHS_IO_MUX_MTDO_U; 139 | return true; 140 | default: 141 | return false; 142 | } 143 | return true; 144 | } 145 | 146 | /** 147 | * Sets the pull up registers for a pin. 148 | */ 149 | static void ICACHE_FLASH_ATTR 150 | easygpio_setupPullsByName(uint32_t gpio_name, EasyGPIO_PullStatus pullStatus) { 151 | 152 | if (EASYGPIO_PULLUP == pullStatus) { 153 | PIN_PULLUP_EN(gpio_name); 154 | } else { 155 | PIN_PULLUP_DIS(gpio_name); 156 | } 157 | } 158 | 159 | /** 160 | * Sets the pull registers for a pin. 161 | */ 162 | bool ICACHE_FLASH_ATTR 163 | easygpio_pullMode(uint8_t gpio_pin, EasyGPIO_PullStatus pullStatus) { 164 | uint32_t gpio_name; 165 | uint8_t gpio_func; 166 | 167 | if (!easygpio_getGPIONameFunc(gpio_pin, &gpio_name, &gpio_func) ) { 168 | return false; 169 | } 170 | 171 | easygpio_setupPullsByName(gpio_name, pullStatus); 172 | return true; 173 | } 174 | 175 | /** 176 | * Sets the 'gpio_pin' pin as a GPIO and sets the pull register for that pin. 177 | * 'pullStatus' has no effect on output pins or GPIO16 178 | */ 179 | bool ICACHE_FLASH_ATTR 180 | easygpio_pinMode(uint8_t gpio_pin, EasyGPIO_PullStatus pullStatus, EasyGPIO_PinMode pinMode) { 181 | uint32_t gpio_name; 182 | uint8_t gpio_func; 183 | 184 | if (16==gpio_pin) { 185 | // ignoring pull status on GPIO16 for now 186 | if (EASYGPIO_OUTPUT == pinMode) { 187 | gpio16_output_conf(); 188 | } else { 189 | gpio16_input_conf(); 190 | } 191 | return true; 192 | } else if (!easygpio_getGPIONameFunc(gpio_pin, &gpio_name, &gpio_func) ) { 193 | return false; 194 | } 195 | 196 | PIN_FUNC_SELECT(gpio_name, gpio_func); 197 | easygpio_setupPullsByName(gpio_name, pullStatus); 198 | 199 | if (EASYGPIO_OUTPUT != pinMode) { 200 | GPIO_DIS_OUTPUT(GPIO_ID_PIN(gpio_pin)); 201 | } else { 202 | // must enable the pin or else the WRITE_PERI_REG won't work 203 | gpio_output_set(0, 0, BIT(GPIO_ID_PIN(gpio_pin)),0); 204 | } 205 | return true; 206 | } 207 | 208 | /** 209 | * Sets the 'gpio_pin' pin as a GPIO and sets the interrupt to trigger on that pin. 210 | * The 'interruptArg' is the function argument that will be sent to your interruptHandler 211 | */ 212 | bool ICACHE_FLASH_ATTR 213 | easygpio_attachInterrupt(uint8_t gpio_pin, EasyGPIO_PullStatus pullStatus, void (*interruptHandler)(void *arg), void *interruptArg) { 214 | uint32_t gpio_name; 215 | uint8_t gpio_func; 216 | 217 | if (gpio_pin == 16) { 218 | os_printf("easygpio_setupInterrupt Error: GPIO16 does not have interrupts\n"); 219 | return false; 220 | } 221 | if (!easygpio_getGPIONameFunc(gpio_pin, &gpio_name, &gpio_func) ) { 222 | return false; 223 | } 224 | 225 | ETS_GPIO_INTR_ATTACH(interruptHandler, interruptArg); 226 | ETS_GPIO_INTR_DISABLE(); 227 | 228 | PIN_FUNC_SELECT(gpio_name, gpio_func); 229 | 230 | easygpio_setupPullsByName(gpio_name, pullStatus); 231 | 232 | // disable output 233 | GPIO_DIS_OUTPUT(gpio_pin); 234 | 235 | gpio_register_set(GPIO_PIN_ADDR(gpio_pin), GPIO_PIN_INT_TYPE_SET(GPIO_PIN_INTR_DISABLE) 236 | | GPIO_PIN_PAD_DRIVER_SET(GPIO_PAD_DRIVER_DISABLE) 237 | | GPIO_PIN_SOURCE_SET(GPIO_AS_PIN_SOURCE)); 238 | 239 | //clear gpio14 status 240 | GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, BIT(gpio_pin)); 241 | ETS_GPIO_INTR_ENABLE(); 242 | 243 | return true; 244 | } 245 | 246 | /** 247 | * Detach the interrupt handler from the 'gpio_pin' pin. 248 | */ 249 | bool ICACHE_FLASH_ATTR 250 | easygpio_detachInterrupt(uint8_t gpio_pin) { 251 | 252 | if (gpio_pin == 16) { 253 | os_printf("easygpio_setupInterrupt Error: GPIO16 does not have interrupts\n"); 254 | return false; 255 | } 256 | 257 | // Don't know how to detach interrupt, yet. 258 | // Quick and dirty fix - just disable the interrupt 259 | gpio_pin_intr_state_set(GPIO_ID_PIN(gpio_pin), GPIO_PIN_INTR_DISABLE); 260 | return true; 261 | } 262 | 263 | /** 264 | * Uniform way of setting GPIO output value. Handles GPIO 0-16. 265 | * 266 | * You can not rely on that this function will switch the gpio to an output like GPIO_OUTPUT_SET does. 267 | * Use easygpio_outputEnable() to change an input gpio to output mode. 268 | */ 269 | void 270 | easygpio_outputSet(uint8_t gpio_pin, uint8_t value) { 271 | if (16==gpio_pin) { 272 | WRITE_PERI_REG(RTC_GPIO_OUT, 273 | (READ_PERI_REG(RTC_GPIO_OUT) & 0xfffffffeUL) | (0x1UL & value)); 274 | } else { 275 | #ifdef EASYGPIO_USE_GPIO_OUTPUT_SET 276 | GPIO_OUTPUT_SET(GPIO_ID_PIN(gpio_pin), value); 277 | #else 278 | if (value&1){ 279 | WRITE_PERI_REG( PERIPHS_GPIO_BASEADDR, READ_PERI_REG(PERIPHS_GPIO_BASEADDR) | BIT(gpio_pin)); 280 | } else { 281 | WRITE_PERI_REG( PERIPHS_GPIO_BASEADDR, READ_PERI_REG(PERIPHS_GPIO_BASEADDR) & ~BIT(gpio_pin)); 282 | } 283 | #endif 284 | } 285 | } 286 | 287 | /** 288 | * Uniform way of getting GPIO input value. Handles GPIO 0-16. 289 | * The pin must be initiated with easygpio_pinMode() so that the pin mux is setup as a gpio in the first place. 290 | * If you know that you won't be using GPIO16 then you'd better off by just using GPIO_INPUT_GET(). 291 | */ 292 | uint8_t 293 | easygpio_inputGet(uint8_t gpio_pin) { 294 | if (16==gpio_pin) { 295 | return (READ_PERI_REG(RTC_GPIO_IN_DATA) & 1UL); 296 | } else { 297 | #ifdef EASYGPIO_USE_GPIO_INPUT_GET 298 | return GPIO_INPUT_GET(GPIO_ID_PIN(gpio_pin)); 299 | #else 300 | // this does *not* work, maybe GPIO_IN_ADDRESS is the wrong address 301 | return ((GPIO_REG_READ(GPIO_IN_ADDRESS) > gpio_pin) & 1UL); 302 | #endif 303 | } 304 | } 305 | 306 | /** 307 | * Uniform way of turning an output GPIO pin into input mode. Handles GPIO 0-16. 308 | * The pin must be initiated with easygpio_pinMode() so that the pin mux is setup as a gpio in the first place. 309 | * This function does the same thing as GPIO_DIS_OUTPUT, but works on GPIO16 too. 310 | */ 311 | void easygpio_outputDisable(uint8_t gpio_pin) { 312 | if (16==gpio_pin) { 313 | WRITE_PERI_REG(RTC_GPIO_ENABLE, 314 | READ_PERI_REG(RTC_GPIO_ENABLE) & 0xfffffffeUL); //out disable 315 | } else { 316 | GPIO_DIS_OUTPUT(GPIO_ID_PIN(gpio_pin)); 317 | } 318 | } 319 | 320 | /** 321 | * Uniform way of turning an input GPIO pin into output mode. Handles GPIO 0-16. 322 | * The pin must be initiated with easygpio_pinMode() so that the pin mux is setup as a gpio in the first place. 323 | * 324 | * This function: 325 | * - should only be used to convert a input pin into an output pin. 326 | * - is a little bit slower than easygpio_outputSet() so you should use that 327 | * function to just change output value. 328 | * - does the same thing as GPIO_OUTPUT_SET, but works on GPIO16 too. 329 | */ 330 | void easygpio_outputEnable(uint8_t gpio_pin, uint8_t value) { 331 | if (16==gpio_pin) { 332 | // write the value before flipping to output 333 | // - so we don't flash previous value for a few ns. 334 | WRITE_PERI_REG(RTC_GPIO_OUT, 335 | (READ_PERI_REG(RTC_GPIO_OUT) & 0xfffffffeUL) | (0x1UL & value)); 336 | 337 | WRITE_PERI_REG(RTC_GPIO_ENABLE, 338 | (READ_PERI_REG(RTC_GPIO_ENABLE) & 0xfffffffeUL) | 0x1UL); //out enable 339 | 340 | } else { 341 | GPIO_OUTPUT_SET(GPIO_ID_PIN(gpio_pin), value); 342 | } 343 | } 344 | -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/easygpio/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/driver/easygpio/examples/dependencies/easygpio/.keep -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/stdout/.gitignore: -------------------------------------------------------------------------------- 1 | # Object files 2 | *.o 3 | *.ko 4 | *.obj 5 | *.elf 6 | 7 | # Precompiled Headers 8 | *.gch 9 | *.pch 10 | 11 | # Libraries 12 | *.lib 13 | *.a 14 | *.la 15 | *.lo 16 | 17 | # Shared objects (inc. Windows DLLs) 18 | *.dll 19 | *.so 20 | *.so.* 21 | *.dylib 22 | 23 | # Executables 24 | *.exe 25 | *.out 26 | *.app 27 | *.i*86 28 | *.x86_64 29 | *.hex 30 | -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/stdout/README.md: -------------------------------------------------------------------------------- 1 | # esp8266_stdout 2 | A clone of Jeroen Domburg's () stdout driver. 3 | It's an alternative uart driver that only uses the TX pin, so the RX pin is free for GPIO use. 4 | 5 | Needless to say, but this driver can only transmit. 6 | 7 | ###License: 8 | "THE BEER-WARE LICENSE" (Revision 42): 9 | Jeroen Domburg wrote this file. As long as you retain 10 | this notice you can do whatever you want with this stuff. If we meet some day, 11 | and you think this stuff is worth it, you can buy me a beer in return. 12 | 13 | 14 | -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/stdout/include/stdout/stdout.h: -------------------------------------------------------------------------------- 1 | //Stupid bit of code that does the bare minimum to make os_printf work. 2 | 3 | /* 4 | * ---------------------------------------------------------------------------- 5 | * "THE BEER-WARE LICENSE" (Revision 42): 6 | * Jeroen Domburg wrote this file. As long as you retain 7 | * this notice you can do whatever you want with this stuff. If we meet some day, 8 | * and you think this stuff is worth it, you can buy me a beer in return. 9 | * ---------------------------------------------------------------------------- 10 | */ 11 | 12 | void stdout_init(void); 13 | -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/stdout/include/stdout/uart_hw.h: -------------------------------------------------------------------------------- 1 | //Generated at 2012-07-03 18:44:06 2 | /* 3 | * Copyright (c) 2010 - 2011 Espressif System 4 | * 5 | */ 6 | 7 | #ifndef UART_REGISTER_H_INCLUDED 8 | #define UART_REGISTER_H_INCLUDED 9 | #define REG_UART_BASE( i ) (0x60000000+(i)*0xf00) 10 | //version value:32'h062000 11 | 12 | #define UART_FIFO( i ) (REG_UART_BASE( i ) + 0x0) 13 | #define UART_RXFIFO_RD_BYTE 0x000000FF 14 | #define UART_RXFIFO_RD_BYTE_S 0 15 | 16 | #define UART_INT_RAW( i ) (REG_UART_BASE( i ) + 0x4) 17 | #define UART_RXFIFO_TOUT_INT_RAW (BIT(8)) 18 | #define UART_BRK_DET_INT_RAW (BIT(7)) 19 | #define UART_CTS_CHG_INT_RAW (BIT(6)) 20 | #define UART_DSR_CHG_INT_RAW (BIT(5)) 21 | #define UART_RXFIFO_OVF_INT_RAW (BIT(4)) 22 | #define UART_FRM_ERR_INT_RAW (BIT(3)) 23 | #define UART_PARITY_ERR_INT_RAW (BIT(2)) 24 | #define UART_TXFIFO_EMPTY_INT_RAW (BIT(1)) 25 | #define UART_RXFIFO_FULL_INT_RAW (BIT(0)) 26 | 27 | #define UART_INT_ST( i ) (REG_UART_BASE( i ) + 0x8) 28 | #define UART_RXFIFO_TOUT_INT_ST (BIT(8)) 29 | #define UART_BRK_DET_INT_ST (BIT(7)) 30 | #define UART_CTS_CHG_INT_ST (BIT(6)) 31 | #define UART_DSR_CHG_INT_ST (BIT(5)) 32 | #define UART_RXFIFO_OVF_INT_ST (BIT(4)) 33 | #define UART_FRM_ERR_INT_ST (BIT(3)) 34 | #define UART_PARITY_ERR_INT_ST (BIT(2)) 35 | #define UART_TXFIFO_EMPTY_INT_ST (BIT(1)) 36 | #define UART_RXFIFO_FULL_INT_ST (BIT(0)) 37 | 38 | #define UART_INT_ENA( i ) (REG_UART_BASE( i ) + 0xC) 39 | #define UART_RXFIFO_TOUT_INT_ENA (BIT(8)) 40 | #define UART_BRK_DET_INT_ENA (BIT(7)) 41 | #define UART_CTS_CHG_INT_ENA (BIT(6)) 42 | #define UART_DSR_CHG_INT_ENA (BIT(5)) 43 | #define UART_RXFIFO_OVF_INT_ENA (BIT(4)) 44 | #define UART_FRM_ERR_INT_ENA (BIT(3)) 45 | #define UART_PARITY_ERR_INT_ENA (BIT(2)) 46 | #define UART_TXFIFO_EMPTY_INT_ENA (BIT(1)) 47 | #define UART_RXFIFO_FULL_INT_ENA (BIT(0)) 48 | 49 | #define UART_INT_CLR( i ) (REG_UART_BASE( i ) + 0x10) 50 | #define UART_RXFIFO_TOUT_INT_CLR (BIT(8)) 51 | #define UART_BRK_DET_INT_CLR (BIT(7)) 52 | #define UART_CTS_CHG_INT_CLR (BIT(6)) 53 | #define UART_DSR_CHG_INT_CLR (BIT(5)) 54 | #define UART_RXFIFO_OVF_INT_CLR (BIT(4)) 55 | #define UART_FRM_ERR_INT_CLR (BIT(3)) 56 | #define UART_PARITY_ERR_INT_CLR (BIT(2)) 57 | #define UART_TXFIFO_EMPTY_INT_CLR (BIT(1)) 58 | #define UART_RXFIFO_FULL_INT_CLR (BIT(0)) 59 | 60 | #define UART_CLKDIV( i ) (REG_UART_BASE( i ) + 0x14) 61 | #define UART_CLKDIV_CNT 0x000FFFFF 62 | #define UART_CLKDIV_S 0 63 | 64 | #define UART_AUTOBAUD( i ) (REG_UART_BASE( i ) + 0x18) 65 | #define UART_GLITCH_FILT 0x000000FF 66 | #define UART_GLITCH_FILT_S 8 67 | #define UART_AUTOBAUD_EN (BIT(0)) 68 | 69 | #define UART_STATUS( i ) (REG_UART_BASE( i ) + 0x1C) 70 | #define UART_TXD (BIT(31)) 71 | #define UART_RTSN (BIT(30)) 72 | #define UART_DTRN (BIT(29)) 73 | #define UART_TXFIFO_CNT 0x000000FF 74 | #define UART_TXFIFO_CNT_S 16 75 | #define UART_RXD (BIT(15)) 76 | #define UART_CTSN (BIT(14)) 77 | #define UART_DSRN (BIT(13)) 78 | #define UART_RXFIFO_CNT 0x000000FF 79 | #define UART_RXFIFO_CNT_S 0 80 | 81 | #define UART_CONF0( i ) (REG_UART_BASE( i ) + 0x20) 82 | #define UART_TXFIFO_RST (BIT(18)) 83 | #define UART_RXFIFO_RST (BIT(17)) 84 | #define UART_IRDA_EN (BIT(16)) 85 | #define UART_TX_FLOW_EN (BIT(15)) 86 | #define UART_LOOPBACK (BIT(14)) 87 | #define UART_IRDA_RX_INV (BIT(13)) 88 | #define UART_IRDA_TX_INV (BIT(12)) 89 | #define UART_IRDA_WCTL (BIT(11)) 90 | #define UART_IRDA_TX_EN (BIT(10)) 91 | #define UART_IRDA_DPLX (BIT(9)) 92 | #define UART_TXD_BRK (BIT(8)) 93 | #define UART_SW_DTR (BIT(7)) 94 | #define UART_SW_RTS (BIT(6)) 95 | #define UART_STOP_BIT_NUM 0x00000003 96 | #define UART_STOP_BIT_NUM_S 4 97 | #define UART_BIT_NUM 0x00000003 98 | #define UART_BIT_NUM_S 2 99 | #define UART_PARITY_EN (BIT(1)) 100 | #define UART_PARITY (BIT(0)) 101 | 102 | #define UART_CONF1( i ) (REG_UART_BASE( i ) + 0x24) 103 | #define UART_RX_TOUT_EN (BIT(31)) 104 | #define UART_RX_TOUT_THRHD 0x0000007F 105 | #define UART_RX_TOUT_THRHD_S 24 106 | #define UART_RX_FLOW_EN (BIT(23)) 107 | #define UART_RX_FLOW_THRHD 0x0000007F 108 | #define UART_RX_FLOW_THRHD_S 16 109 | #define UART_TXFIFO_EMPTY_THRHD 0x0000007F 110 | #define UART_TXFIFO_EMPTY_THRHD_S 8 111 | #define UART_RXFIFO_FULL_THRHD 0x0000007F 112 | #define UART_RXFIFO_FULL_THRHD_S 0 113 | 114 | #define UART_LOWPULSE( i ) (REG_UART_BASE( i ) + 0x28) 115 | #define UART_LOWPULSE_MIN_CNT 0x000FFFFF 116 | #define UART_LOWPULSE_MIN_CNT_S 0 117 | 118 | #define UART_HIGHPULSE( i ) (REG_UART_BASE( i ) + 0x2C) 119 | #define UART_HIGHPULSE_MIN_CNT 0x000FFFFF 120 | #define UART_HIGHPULSE_MIN_CNT_S 0 121 | 122 | #define UART_PULSE_NUM( i ) (REG_UART_BASE( i ) + 0x30) 123 | #define UART_PULSE_NUM_CNT 0x0003FF 124 | #define UART_PULSE_NUM_CNT_S 0 125 | 126 | #define UART_DATE( i ) (REG_UART_BASE( i ) + 0x78) 127 | #define UART_ID( i ) (REG_UART_BASE( i ) + 0x7C) 128 | #endif // UART_REGISTER_H_INCLUDED 129 | 130 | #define RX_BUFF_SIZE 256 131 | #define TX_BUFF_SIZE 100 132 | #define UART0 0 133 | #define UART1 1 134 | 135 | typedef enum { 136 | FIVE_BITS = 0x0, 137 | SIX_BITS = 0x1, 138 | SEVEN_BITS = 0x2, 139 | EIGHT_BITS = 0x3 140 | } UartBitsNum4Char; 141 | 142 | typedef enum { 143 | ONE_STOP_BIT = 0, 144 | ONE_HALF_STOP_BIT = BIT2, 145 | TWO_STOP_BIT = BIT2 146 | } UartStopBitsNum; 147 | 148 | typedef enum { 149 | NONE_BITS = 0, 150 | ODD_BITS = 0, 151 | EVEN_BITS = BIT4 152 | } UartParityMode; 153 | 154 | typedef enum { 155 | STICK_PARITY_DIS = 0, 156 | STICK_PARITY_EN = BIT3 | BIT5 157 | } UartExistParity; 158 | 159 | typedef enum { 160 | BIT_RATE_9600 = 9600, 161 | BIT_RATE_19200 = 19200, 162 | BIT_RATE_38400 = 38400, 163 | BIT_RATE_57600 = 57600, 164 | BIT_RATE_74880 = 74880, 165 | BIT_RATE_115200 = 115200, 166 | BIT_RATE_230400 = 230400, 167 | BIT_RATE_460800 = 460800, 168 | BIT_RATE_921600 = 921600 169 | } UartBautRate; 170 | 171 | typedef enum { 172 | NONE_CTRL, 173 | HARDWARE_CTRL, 174 | XON_XOFF_CTRL 175 | } UartFlowCtrl; 176 | 177 | typedef enum { 178 | EMPTY, 179 | UNDER_WRITE, 180 | WRITE_OVER 181 | } RcvMsgBuffState; 182 | 183 | typedef struct { 184 | uint32 TrxBuffSize; 185 | uint8 *pTrxBuff; 186 | } TrxMsgBuff; 187 | 188 | typedef enum { 189 | BAUD_RATE_DET, 190 | WAIT_SYNC_FRM, 191 | SRCH_MSG_HEAD, 192 | RCV_MSG_BODY, 193 | RCV_ESC_CHAR, 194 | } RcvMsgState; 195 | 196 | -------------------------------------------------------------------------------- /driver/easygpio/examples/dependencies/stdout/stdout.c: -------------------------------------------------------------------------------- 1 | //Stupid bit of code that does the bare minimum to make os_printf work. 2 | 3 | /* 4 | * ---------------------------------------------------------------------------- 5 | * "THE BEER-WARE LICENSE" (Revision 42): 6 | * Jeroen Domburg wrote this file. As long as you retain 7 | * this notice you can do whatever you want with this stuff. If we meet some day, 8 | * and you think this stuff is worth it, you can buy me a beer in return. 9 | * ---------------------------------------------------------------------------- 10 | */ 11 | #include "stdout/stdout.h" 12 | #include "ets_sys.h" 13 | #include "osapi.h" 14 | #include "stdout/uart_hw.h" 15 | 16 | static void ICACHE_FLASH_ATTR stdoutUartTxd(char c) { 17 | //Wait until there is room in the FIFO 18 | while (((READ_PERI_REG(UART_STATUS(0))>>UART_TXFIFO_CNT_S)&UART_TXFIFO_CNT)>=126) ; 19 | //Send the character 20 | WRITE_PERI_REG(UART_FIFO(0), c); 21 | } 22 | 23 | static void ICACHE_FLASH_ATTR stdoutPutchar(char c) { 24 | //convert \n -> \r\n 25 | if (c=='\n') stdoutUartTxd('\r'); 26 | stdoutUartTxd(c); 27 | } 28 | 29 | 30 | void ICACHE_FLASH_ATTR 31 | stdout_init() { 32 | //Enable TxD pin 33 | PIN_PULLUP_DIS(PERIPHS_IO_MUX_U0TXD_U); 34 | PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD); 35 | 36 | //Set baud rate and other serial parameters to 115200,n,8,1 37 | uart_div_modify(0, UART_CLK_FREQ/BIT_RATE_115200); 38 | WRITE_PERI_REG(UART_CONF0(0), (STICK_PARITY_DIS)|(ONE_STOP_BIT << UART_STOP_BIT_NUM_S)| \ 39 | (EIGHT_BITS << UART_BIT_NUM_S)); 40 | 41 | //Reset tx & rx fifo 42 | SET_PERI_REG_MASK(UART_CONF0(0), UART_RXFIFO_RST|UART_TXFIFO_RST); 43 | CLEAR_PERI_REG_MASK(UART_CONF0(0), UART_RXFIFO_RST|UART_TXFIFO_RST); 44 | //Clear pending interrupts 45 | WRITE_PERI_REG(UART_INT_CLR(0), 0xffff); 46 | 47 | //Install our own putchar handler 48 | os_install_putc1((void *)stdoutPutchar); 49 | } 50 | -------------------------------------------------------------------------------- /driver/easygpio/examples/readgpio/Makefile: -------------------------------------------------------------------------------- 1 | # Changelog 2 | # Changed the variables to include the header file directory 3 | # Added global var for the XTENSA tool root 4 | # 5 | # This make file still needs some work. 6 | # 7 | # 8 | # Output directors to store intermediate compiled files 9 | # relative to the project directory 10 | BUILD_BASE = build 11 | FW_BASE = firmware 12 | ESPTOOL = esptool.py 13 | 14 | 15 | # name for the target project 16 | TARGET = app 17 | 18 | # linker script used for the above linkier step 19 | LD_SCRIPT = eagle.app.v6.ld 20 | 21 | # we create two different files for uploading into the flash 22 | # these are the names and options to generate them 23 | FW_1 = 0x00000 24 | FW_2 = 0x40000 25 | 26 | FLAVOR ?= release 27 | 28 | 29 | ############################################################# 30 | # Select compile 31 | # 32 | ifeq ($(OS),Windows_NT) 33 | # WIN32 34 | # We are under windows. 35 | ifeq ($(XTENSA_CORE),lx106) 36 | # It is xcc 37 | AR = xt-ar 38 | CC = xt-xcc 39 | LD = xt-xcc 40 | NM = xt-nm 41 | CPP = xt-cpp 42 | OBJCOPY = xt-objcopy 43 | #MAKE = xt-make 44 | CCFLAGS += -Os --rename-section .text=.irom0.text --rename-section .literal=.irom0.literal 45 | else 46 | # It is gcc, may be cygwin 47 | # Can we use -fdata-sections? 48 | CCFLAGS += -Os -ffunction-sections -fno-jump-tables 49 | AR = xtensa-lx106-elf-ar 50 | CC = xtensa-lx106-elf-gcc 51 | LD = xtensa-lx106-elf-gcc 52 | NM = xtensa-lx106-elf-nm 53 | CPP = xtensa-lx106-elf-cpp 54 | OBJCOPY = xtensa-lx106-elf-objcopy 55 | endif 56 | ESPPORT ?= com1 57 | SDK_BASE ?= c:/Espressif/ESP8266_SDK 58 | ifeq ($(PROCESSOR_ARCHITECTURE),AMD64) 59 | # ->AMD64 60 | endif 61 | ifeq ($(PROCESSOR_ARCHITECTURE),x86) 62 | # ->IA32 63 | endif 64 | else 65 | # We are under other system, may be Linux. Assume using gcc. 66 | # Can we use -fdata-sections? 67 | ESPPORT ?= /dev/ttyUSB0 68 | SDK_BASE ?= /opt/local/esp-open-sdk/sdk 69 | 70 | CCFLAGS += -Os -ffunction-sections -fno-jump-tables 71 | AR = xtensa-lx106-elf-ar 72 | CC = xtensa-lx106-elf-gcc 73 | LD = xtensa-lx106-elf-gcc 74 | NM = xtensa-lx106-elf-nm 75 | CPP = xtensa-lx106-elf-cpp 76 | OBJCOPY = xtensa-lx106-elf-objcopy 77 | UNAME_S := $(shell uname -s) 78 | 79 | ifeq ($(UNAME_S),Linux) 80 | # LINUX 81 | endif 82 | ifeq ($(UNAME_S),Darwin) 83 | # OSX 84 | endif 85 | UNAME_P := $(shell uname -p) 86 | ifeq ($(UNAME_P),x86_64) 87 | # ->AMD64 88 | endif 89 | ifneq ($(filter %86,$(UNAME_P)),) 90 | # ->IA32 91 | endif 92 | ifneq ($(filter arm%,$(UNAME_P)),) 93 | # ->ARM 94 | endif 95 | endif 96 | ############################################################# 97 | 98 | EGP_BASE ?= ../dependencies/easygpio/../../../ 99 | DEP_BASE ?= ../dependencies 100 | 101 | # which modules (subdirectories) of the project to include in compiling 102 | MODULES = localinclude $(EGP_BASE) $(DEP_BASE)/stdout user 103 | EXTRA_INCDIR = include $(SDK_BASE)/../include 104 | 105 | # libraries used in this project, mainly provided by the SDK 106 | LIBS = c gcc hal phy pp net80211 lwip wpa main 107 | 108 | # compiler flags using during compilation of source files 109 | CFLAGS = -Os -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH 110 | 111 | # linker flags used to generate the main object file 112 | LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static 113 | 114 | ifeq ($(FLAVOR),debug) 115 | CFLAGS += -O0 116 | LDFLAGS += -O0 117 | endif 118 | 119 | ifeq ($(FLAVOR),release) 120 | CFLAGS += -O2 121 | LDFLAGS += -O2 122 | endif 123 | 124 | 125 | 126 | # various paths from the SDK used in this project 127 | SDK_LIBDIR = lib 128 | SDK_LDDIR = ld 129 | SDK_INCDIR = include include/json 130 | 131 | #### 132 | #### no user configurable options below here 133 | #### 134 | FW_TOOL ?= $(ESPTOOL) 135 | SRC_DIR := $(MODULES) 136 | BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(subst ../,, $(MODULES))) 137 | 138 | SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR)) 139 | SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR)) 140 | 141 | SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c)) 142 | OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(subst ../,, $(SRC))) 143 | LIBS := $(addprefix -l,$(LIBS)) 144 | APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a) 145 | TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out) 146 | 147 | LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT)) 148 | 149 | INCDIR := $(addprefix -I,$(SRC_DIR)) 150 | EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR)) 151 | MODULE_INCDIR := $(addsuffix /include,$(INCDIR)) 152 | 153 | FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_1).bin) 154 | FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_2).bin) 155 | 156 | V ?= $(VERBOSE) 157 | ifeq ("$(V)","1") 158 | Q := 159 | vecho := @true 160 | else 161 | Q := @ 162 | vecho := @echo 163 | endif 164 | 165 | vpath %.c $(SRC_DIR) 166 | 167 | define compile-objects 168 | $1/%.o: %.c 169 | $(vecho) "CC $$<" 170 | $(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@ 171 | endef 172 | 173 | .PHONY: all checkdirs clean 174 | 175 | all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2) 176 | 177 | $(FW_FILE_1): $(TARGET_OUT) 178 | $(vecho) "FW $@" 179 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 180 | 181 | $(FW_FILE_2): $(TARGET_OUT) 182 | $(vecho) "FW $@" 183 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 184 | 185 | $(TARGET_OUT): $(APP_AR) 186 | $(vecho) "LD $@" 187 | $(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@ 188 | 189 | $(APP_AR): $(OBJ) 190 | $(vecho) "AR $@" 191 | $(Q) $(AR) cru $@ $^ 192 | 193 | checkdirs: $(BUILD_DIR) $(FW_BASE) 194 | 195 | $(BUILD_DIR): 196 | $(Q) mkdir -p $@ 197 | 198 | firmware: 199 | $(Q) mkdir -p $@ 200 | 201 | flash: $(FW_FILE_1) $(FW_FILE_2) 202 | $(ESPTOOL) -p $(ESPPORT) write_flash $(FW_1) $(FW_FILE_1) $(FW_2) $(FW_FILE_2) 203 | 204 | test: flash 205 | screen $(ESPPORT) 115200 206 | 207 | rebuild: clean all 208 | 209 | clean: 210 | $(Q) rm -f $(APP_AR) 211 | $(Q) rm -f $(TARGET_OUT) 212 | $(Q) rm -rf $(BUILD_DIR) 213 | $(Q) rm -rf $(BUILD_BASE) 214 | $(Q) rm -f $(FW_FILE_1) 215 | $(Q) rm -f $(FW_FILE_2) 216 | $(Q) rm -rf $(FW_BASE) 217 | 218 | $(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir)))) 219 | -------------------------------------------------------------------------------- /driver/easygpio/examples/readgpio/include/user_config.h: -------------------------------------------------------------------------------- 1 | #ifndef __USER_CONFIG_H__ 2 | #define __USER_CONFIG_H__ 3 | 4 | #endif 5 | -------------------------------------------------------------------------------- /driver/easygpio/examples/readgpio/localinclude/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/driver/easygpio/examples/readgpio/localinclude/.keep -------------------------------------------------------------------------------- /driver/easygpio/examples/readgpio/user/user_main.c: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2015, eadf (https://github.com/eadf) 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * 8 | * * Redistributions of source code must retain the above copyright notice, 9 | * this list of conditions and the following disclaimer. 10 | * * Redistributions in binary form must reproduce the above copyright 11 | * notice, this list of conditions and the following disclaimer in the 12 | * documentation and/or other materials provided with the distribution. 13 | * * Neither the name of Redis nor the names of its contributors may be used 14 | * to endorse or promote products derived from this software without 15 | * specific prior written permission. 16 | * 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 | * POSSIBILITY OF SUCH DAMAGE. 28 | */ 29 | 30 | #include 31 | #include 32 | #include "gpio.h" 33 | #include "easygpio/easygpio.h" 34 | #include "stdout/stdout.h" 35 | 36 | #define SAMPLE_PERIOD 750 // 750 ms 37 | static os_timer_t loop_timer; 38 | uint8_t pinsToTest[] = {0,2,3,4,5,12,13,14,15,16}; 39 | uint8_t pinsToTestLen = 10; 40 | 41 | static void ICACHE_FLASH_ATTR 42 | loop(void) { 43 | uint8_t i=0; 44 | for (i=0; iAMD64 60 | endif 61 | ifeq ($(PROCESSOR_ARCHITECTURE),x86) 62 | # ->IA32 63 | endif 64 | else 65 | # We are under other system, may be Linux. Assume using gcc. 66 | # Can we use -fdata-sections? 67 | ESPPORT ?= /dev/ttyUSB0 68 | SDK_BASE ?= /opt/local/esp-open-sdk/sdk 69 | 70 | CCFLAGS += -Os -ffunction-sections -fno-jump-tables 71 | AR = xtensa-lx106-elf-ar 72 | CC = xtensa-lx106-elf-gcc 73 | LD = xtensa-lx106-elf-gcc 74 | NM = xtensa-lx106-elf-nm 75 | CPP = xtensa-lx106-elf-cpp 76 | OBJCOPY = xtensa-lx106-elf-objcopy 77 | UNAME_S := $(shell uname -s) 78 | 79 | ifeq ($(UNAME_S),Linux) 80 | # LINUX 81 | endif 82 | ifeq ($(UNAME_S),Darwin) 83 | # OSX 84 | endif 85 | UNAME_P := $(shell uname -p) 86 | ifeq ($(UNAME_P),x86_64) 87 | # ->AMD64 88 | endif 89 | ifneq ($(filter %86,$(UNAME_P)),) 90 | # ->IA32 91 | endif 92 | ifneq ($(filter arm%,$(UNAME_P)),) 93 | # ->ARM 94 | endif 95 | endif 96 | ############################################################# 97 | 98 | EGP_BASE ?= ../dependencies/easygpio/../../../ 99 | DEP_BASE ?= ../dependencies 100 | 101 | # which modules (subdirectories) of the project to include in compiling 102 | MODULES = localinclude $(EGP_BASE) $(DEP_BASE)/stdout user 103 | EXTRA_INCDIR = include $(SDK_BASE)/../include 104 | 105 | # libraries used in this project, mainly provided by the SDK 106 | LIBS = c gcc hal phy pp net80211 lwip wpa main 107 | 108 | # compiler flags using during compilation of source files 109 | CFLAGS = -Os -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH 110 | 111 | # linker flags used to generate the main object file 112 | LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static 113 | 114 | ifeq ($(FLAVOR),debug) 115 | CFLAGS += -O0 116 | LDFLAGS += -O0 117 | endif 118 | 119 | ifeq ($(FLAVOR),release) 120 | CFLAGS += -O2 121 | LDFLAGS += -O2 122 | endif 123 | 124 | 125 | 126 | # various paths from the SDK used in this project 127 | SDK_LIBDIR = lib 128 | SDK_LDDIR = ld 129 | SDK_INCDIR = include include/json 130 | 131 | #### 132 | #### no user configurable options below here 133 | #### 134 | FW_TOOL ?= $(ESPTOOL) 135 | SRC_DIR := $(MODULES) 136 | BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(subst ../,, $(MODULES))) 137 | 138 | SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR)) 139 | SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR)) 140 | 141 | SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c)) 142 | OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(subst ../,, $(SRC))) 143 | LIBS := $(addprefix -l,$(LIBS)) 144 | APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a) 145 | TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out) 146 | 147 | LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT)) 148 | 149 | INCDIR := $(addprefix -I,$(SRC_DIR)) 150 | EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR)) 151 | MODULE_INCDIR := $(addsuffix /include,$(INCDIR)) 152 | 153 | FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_1).bin) 154 | FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_2).bin) 155 | 156 | V ?= $(VERBOSE) 157 | ifeq ("$(V)","1") 158 | Q := 159 | vecho := @true 160 | else 161 | Q := @ 162 | vecho := @echo 163 | endif 164 | 165 | vpath %.c $(SRC_DIR) 166 | 167 | define compile-objects 168 | $1/%.o: %.c 169 | $(vecho) "CC $$<" 170 | $(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@ 171 | endef 172 | 173 | .PHONY: all checkdirs clean 174 | 175 | all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2) 176 | 177 | $(FW_FILE_1): $(TARGET_OUT) 178 | $(vecho) "FW $@" 179 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 180 | 181 | $(FW_FILE_2): $(TARGET_OUT) 182 | $(vecho) "FW $@" 183 | $(ESPTOOL) elf2image $< -o $(FW_BASE)/ 184 | 185 | $(TARGET_OUT): $(APP_AR) 186 | $(vecho) "LD $@" 187 | $(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@ 188 | 189 | $(APP_AR): $(OBJ) 190 | $(vecho) "AR $@" 191 | $(Q) $(AR) cru $@ $^ 192 | 193 | checkdirs: $(BUILD_DIR) $(FW_BASE) 194 | 195 | $(BUILD_DIR): 196 | $(Q) mkdir -p $@ 197 | 198 | firmware: 199 | $(Q) mkdir -p $@ 200 | 201 | flash: $(FW_FILE_1) $(FW_FILE_2) 202 | $(ESPTOOL) -p $(ESPPORT) write_flash $(FW_1) $(FW_FILE_1) $(FW_2) $(FW_FILE_2) 203 | 204 | test: flash 205 | screen $(ESPPORT) 115200 206 | 207 | rebuild: clean all 208 | 209 | clean: 210 | $(Q) rm -f $(APP_AR) 211 | $(Q) rm -f $(TARGET_OUT) 212 | $(Q) rm -rf $(BUILD_DIR) 213 | $(Q) rm -rf $(BUILD_BASE) 214 | $(Q) rm -f $(FW_FILE_1) 215 | $(Q) rm -f $(FW_FILE_2) 216 | $(Q) rm -rf $(FW_BASE) 217 | 218 | $(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir)))) 219 | -------------------------------------------------------------------------------- /driver/easygpio/examples/writegpio/include/user_config.h: -------------------------------------------------------------------------------- 1 | #ifndef __USER_CONFIG_H__ 2 | #define __USER_CONFIG_H__ 3 | 4 | #endif 5 | -------------------------------------------------------------------------------- /driver/easygpio/examples/writegpio/localinclude/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eadf/esp8266_ping/e2b970d4ff52de8daf8d5dcf8d37e3ec24fd0413/driver/easygpio/examples/writegpio/localinclude/.keep -------------------------------------------------------------------------------- /driver/easygpio/examples/writegpio/user/user_main.c: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2015, eadf (https://github.com/eadf) 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * 8 | * * Redistributions of source code must retain the above copyright notice, 9 | * this list of conditions and the following disclaimer. 10 | * * Redistributions in binary form must reproduce the above copyright 11 | * notice, this list of conditions and the following disclaimer in the 12 | * documentation and/or other materials provided with the distribution. 13 | * * Neither the name of Redis nor the names of its contributors may be used 14 | * to endorse or promote products derived from this software without 15 | * specific prior written permission. 16 | * 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 | * POSSIBILITY OF SUCH DAMAGE. 28 | */ 29 | 30 | #include 31 | #include 32 | #include "gpio.h" 33 | #include "easygpio/easygpio.h" 34 | #include "stdout/stdout.h" 35 | 36 | #define SAMPLE_PERIOD 200 // 200 ms 37 | static os_timer_t dht22_timer; 38 | uint8_t pinsToTest[] = {0,2,4,5,12,13,14,15,16}; 39 | uint8_t pinsToTestLen = 9; 40 | 41 | static void ICACHE_FLASH_ATTR 42 | loop(void) { 43 | // set this shift-rotating pattern to anything you like 44 | static uint32_t shiftReg = 1;//0b101010101; 45 | uint8_t i=0; 46 | os_printf("Setting "); 47 | for (i=0; i> i) & 0x1; 49 | os_printf("GPIO%d=%d", pinsToTest[i], flag); 50 | easygpio_outputSet(pinsToTest[i], flag); 51 | //easygpio_outputEnable(pinsToTest[i], flag); 52 | if(i> 1); 62 | } 63 | 64 | void ICACHE_FLASH_ATTR 65 | setup(void) { 66 | uint8_t i=0; 67 | for (i=0; i0){ 58 | gpio_pin_intr_state_set(GPIO_ID_PIN(pin), GPIO_PIN_INTR_DISABLE); 59 | } 60 | } 61 | 62 | static void 63 | ping_intr_handler(void *key) { 64 | uint32_t gpio_status = GPIO_REG_READ(GPIO_STATUS_ADDRESS); 65 | if (ping_allEchoPins & gpio_status) { 66 | if (ping_currentEchoPin>=0 && (gpio_status & BIT(ping_currentEchoPin))) { 67 | // This interrupt was intended for us - clear interrupt status 68 | GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, gpio_status & BIT(ping_currentEchoPin)); 69 | 70 | if(!ping_echoStarted) { 71 | gpio_pin_intr_state_set(GPIO_ID_PIN(ping_currentEchoPin), GPIO_PIN_INTR_NEGEDGE); 72 | ping_timeStamp0 = system_get_time(); 73 | ping_echoStarted = true; 74 | } else { 75 | ping_timeStamp1 = system_get_time(); 76 | ping_echoEnded = true; 77 | ping_disableInterrupt(ping_currentEchoPin); 78 | ping_currentEchoPin = -1; 79 | } 80 | } else { 81 | // This interrupt was intended for us, but not at this moment - clear interrupt status anyway 82 | GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, gpio_status & ping_allEchoPins); 83 | } 84 | } 85 | } 86 | 87 | /** 88 | * Sends a ping, and returns the number of microseconds it took to receive a response. 89 | * Will give up after maxPeriod (with false as return value) 90 | */ 91 | bool ICACHE_FLASH_ATTR 92 | ping_pingUs(Ping_Data *pingData, uint32_t maxPeriod, uint32_t* response) { 93 | uint32_t timeOutAt = system_get_time() + maxPeriod; 94 | ping_echoEnded = false; 95 | ping_echoStarted = false; 96 | ping_timeStamp0 = system_get_time(); 97 | 98 | if (!pingData->isInitiated) { 99 | *response = 0; 100 | os_printf("ping_pingUs: Error: not initiated properly.\n"); 101 | return false; 102 | } 103 | if (ping_currentEchoPin >= 0) { 104 | // this should not really happend, how did you end up here? 105 | *response = 0; 106 | os_printf("ping_pingUs: Error: another ping is already running.\n"); 107 | return false; 108 | } 109 | 110 | uint32_t echoPin = pingData->echoPin; 111 | uint32_t triggerPin = pingData->triggerPin; 112 | ping_currentEchoPin = pingData->echoPin; 113 | 114 | while (GPIO_INPUT_GET(echoPin)) { 115 | if (system_get_time() > timeOutAt) { 116 | // echo pin never went low, something is wrong. 117 | // turns out this happens whenever the sensor doesn't receive any echo at all. 118 | 119 | //os_printf("ping_ping: Error: echo pin %d permanently high %d?.\n", echoPin, GPIO_INPUT_GET(echoPin)); 120 | *response = system_get_time() - ping_timeStamp0; 121 | 122 | // Wake up a sleeping device 123 | GPIO_OUTPUT_SET(triggerPin, PING_TRIGGER_DEFAULT_STATE); 124 | os_delay_us(50); 125 | GPIO_OUTPUT_SET(triggerPin, !PING_TRIGGER_DEFAULT_STATE); 126 | os_delay_us(50); 127 | GPIO_OUTPUT_SET(triggerPin, PING_TRIGGER_DEFAULT_STATE); 128 | ping_disableInterrupt(ping_currentEchoPin); 129 | ping_currentEchoPin = -1; 130 | return false; 131 | } 132 | os_delay_us(PING_POLL_PERIOD); 133 | } 134 | 135 | GPIO_OUTPUT_SET(triggerPin, 1); 136 | os_delay_us(PING_TRIGGER_LENGTH); 137 | GPIO_OUTPUT_SET(triggerPin, 0); 138 | 139 | if (echoPin == triggerPin) { 140 | // force the trigger pin low for 50us. This helps stabilise echo pin when 141 | // running in single pin mode. 142 | os_delay_us(50); 143 | } 144 | 145 | GPIO_DIS_OUTPUT(echoPin); 146 | gpio_pin_intr_state_set(GPIO_ID_PIN(echoPin), GPIO_PIN_INTR_POSEDGE); 147 | 148 | while (!ping_echoEnded) { 149 | if (system_get_time() > timeOutAt) { 150 | *response = system_get_time() - ping_timeStamp0; 151 | ping_disableInterrupt(ping_currentEchoPin); 152 | ping_currentEchoPin = -1; 153 | return false; 154 | } 155 | os_delay_us(PING_POLL_PERIOD); 156 | } 157 | 158 | *response = ping_timeStamp1 - ping_timeStamp0; 159 | if (ping_timeStamp1 < ping_timeStamp0 || *response < 50) { 160 | // probably a previous echo or clock overflow - false result 161 | ping_disableInterrupt(ping_currentEchoPin); 162 | ping_currentEchoPin = -1; 163 | return false; 164 | } 165 | return true; 166 | } 167 | 168 | bool ICACHE_FLASH_ATTR 169 | ping_ping(Ping_Data *pingData, float maxDistance, float* returnDistance) { 170 | uint32_t echoTime = 0; 171 | uint32_t maxPeriod = 0; 172 | 173 | switch (pingData->unit) { 174 | case PING_MM: 175 | maxPeriod = maxDistance/PING_US_TO_MM; 176 | break; 177 | case PING_INCHES: 178 | maxPeriod = maxDistance/PING_US_TO_INCH; 179 | break; 180 | default: 181 | // Assume distance in micro-seconds 182 | maxPeriod = (float) maxDistance; 183 | } 184 | if (!ping_pingUs(pingData, maxPeriod, &echoTime)) { 185 | //os_printf("ping_ping failed: maxPeriod=%d echoTime=%d\n",maxPeriod, (int)echoTime ); 186 | return false; 187 | } 188 | switch (pingData->unit) { 189 | case PING_MM: 190 | *returnDistance = ((float) echoTime)*PING_US_TO_MM; 191 | break; 192 | case PING_INCHES: 193 | *returnDistance = ((float) echoTime)*PING_US_TO_INCH; 194 | break; 195 | default: 196 | // Assume distance in micro-seconds 197 | *returnDistance = (float) echoTime; 198 | } 199 | return true; 200 | } 201 | 202 | /** 203 | * Initiates the GPIO for one-pin mode. 204 | */ 205 | bool ICACHE_FLASH_ATTR 206 | ping_initOnePinMode(Ping_Data *pingData, int8_t triggerAndEchoPin, Ping_Unit unit) { 207 | return ping_init(pingData, triggerAndEchoPin, triggerAndEchoPin, unit); 208 | } 209 | 210 | /** 211 | * Initiates the Ping_Data structure and sets the GPIOs 212 | */ 213 | bool ICACHE_FLASH_ATTR 214 | ping_init(Ping_Data *pingData, int8_t triggerPin, int8_t echoPin, Ping_Unit unit) { 215 | pingData->triggerPin = triggerPin; 216 | pingData->echoPin = echoPin; 217 | pingData->unit = unit; 218 | bool singlePinMode = false; 219 | 220 | if (triggerPin == echoPin) { 221 | singlePinMode = true; 222 | } else { 223 | if (!easygpio_pinMode(pingData->triggerPin, EASYGPIO_NOPULL, EASYGPIO_OUTPUT)){ 224 | os_printf("ping_init: Error: failed to set pinMode on trigger pin\n"); 225 | return false; 226 | } 227 | GPIO_OUTPUT_SET(pingData->triggerPin, PING_TRIGGER_DEFAULT_STATE); 228 | } 229 | 230 | if (easygpio_attachInterrupt(pingData->echoPin, EASYGPIO_NOPULL, ping_intr_handler, NULL)) { 231 | ping_allEchoPins |= BIT(pingData->echoPin); 232 | if (singlePinMode) { 233 | // easygpio_attachInterrupt() disables output, enable it again 234 | GPIO_OUTPUT_SET(pingData->triggerPin, PING_TRIGGER_DEFAULT_STATE); 235 | } 236 | os_printf("\nInitiated ping module with trigger pin=%d echo pin=%d.\n\n",pingData->triggerPin, pingData->echoPin); 237 | pingData->isInitiated = true; 238 | } else { 239 | os_printf("ping_init: Error: failed to set interrupt on echo pin %d\n", pingData->echoPin); 240 | pingData->isInitiated = false; 241 | } 242 | return pingData->isInitiated; 243 | } 244 | -------------------------------------------------------------------------------- /driver/stdout/.gitignore: -------------------------------------------------------------------------------- 1 | # Object files 2 | *.o 3 | *.ko 4 | *.obj 5 | *.elf 6 | 7 | # Precompiled Headers 8 | *.gch 9 | *.pch 10 | 11 | # Libraries 12 | *.lib 13 | *.a 14 | *.la 15 | *.lo 16 | 17 | # Shared objects (inc. Windows DLLs) 18 | *.dll 19 | *.so 20 | *.so.* 21 | *.dylib 22 | 23 | # Executables 24 | *.exe 25 | *.out 26 | *.app 27 | *.i*86 28 | *.x86_64 29 | *.hex 30 | -------------------------------------------------------------------------------- /driver/stdout/README.md: -------------------------------------------------------------------------------- 1 | # esp8266_stdout 2 | A clone of Jeroen Domburg's () stdout driver. 3 | It's an alternative uart driver that only uses the TX pin, so the RX pin is free for GPIO use. 4 | 5 | Needless to say, but this driver can only transmit. 6 | 7 | ###License: 8 | "THE BEER-WARE LICENSE" (Revision 42): 9 | Jeroen Domburg wrote this file. As long as you retain 10 | this notice you can do whatever you want with this stuff. If we meet some day, 11 | and you think this stuff is worth it, you can buy me a beer in return. 12 | 13 | 14 | -------------------------------------------------------------------------------- /driver/stdout/include/stdout/stdout.h: -------------------------------------------------------------------------------- 1 | //Stupid bit of code that does the bare minimum to make os_printf work. 2 | 3 | /* 4 | * ---------------------------------------------------------------------------- 5 | * "THE BEER-WARE LICENSE" (Revision 42): 6 | * Jeroen Domburg wrote this file. As long as you retain 7 | * this notice you can do whatever you want with this stuff. If we meet some day, 8 | * and you think this stuff is worth it, you can buy me a beer in return. 9 | * ---------------------------------------------------------------------------- 10 | */ 11 | 12 | void stdout_init(void); 13 | -------------------------------------------------------------------------------- /driver/stdout/include/stdout/uart_hw.h: -------------------------------------------------------------------------------- 1 | //Generated at 2012-07-03 18:44:06 2 | /* 3 | * Copyright (c) 2010 - 2011 Espressif System 4 | * 5 | */ 6 | 7 | #ifndef UART_REGISTER_H_INCLUDED 8 | #define UART_REGISTER_H_INCLUDED 9 | #define REG_UART_BASE( i ) (0x60000000+(i)*0xf00) 10 | //version value:32'h062000 11 | 12 | #define UART_FIFO( i ) (REG_UART_BASE( i ) + 0x0) 13 | #define UART_RXFIFO_RD_BYTE 0x000000FF 14 | #define UART_RXFIFO_RD_BYTE_S 0 15 | 16 | #define UART_INT_RAW( i ) (REG_UART_BASE( i ) + 0x4) 17 | #define UART_RXFIFO_TOUT_INT_RAW (BIT(8)) 18 | #define UART_BRK_DET_INT_RAW (BIT(7)) 19 | #define UART_CTS_CHG_INT_RAW (BIT(6)) 20 | #define UART_DSR_CHG_INT_RAW (BIT(5)) 21 | #define UART_RXFIFO_OVF_INT_RAW (BIT(4)) 22 | #define UART_FRM_ERR_INT_RAW (BIT(3)) 23 | #define UART_PARITY_ERR_INT_RAW (BIT(2)) 24 | #define UART_TXFIFO_EMPTY_INT_RAW (BIT(1)) 25 | #define UART_RXFIFO_FULL_INT_RAW (BIT(0)) 26 | 27 | #define UART_INT_ST( i ) (REG_UART_BASE( i ) + 0x8) 28 | #define UART_RXFIFO_TOUT_INT_ST (BIT(8)) 29 | #define UART_BRK_DET_INT_ST (BIT(7)) 30 | #define UART_CTS_CHG_INT_ST (BIT(6)) 31 | #define UART_DSR_CHG_INT_ST (BIT(5)) 32 | #define UART_RXFIFO_OVF_INT_ST (BIT(4)) 33 | #define UART_FRM_ERR_INT_ST (BIT(3)) 34 | #define UART_PARITY_ERR_INT_ST (BIT(2)) 35 | #define UART_TXFIFO_EMPTY_INT_ST (BIT(1)) 36 | #define UART_RXFIFO_FULL_INT_ST (BIT(0)) 37 | 38 | #define UART_INT_ENA( i ) (REG_UART_BASE( i ) + 0xC) 39 | #define UART_RXFIFO_TOUT_INT_ENA (BIT(8)) 40 | #define UART_BRK_DET_INT_ENA (BIT(7)) 41 | #define UART_CTS_CHG_INT_ENA (BIT(6)) 42 | #define UART_DSR_CHG_INT_ENA (BIT(5)) 43 | #define UART_RXFIFO_OVF_INT_ENA (BIT(4)) 44 | #define UART_FRM_ERR_INT_ENA (BIT(3)) 45 | #define UART_PARITY_ERR_INT_ENA (BIT(2)) 46 | #define UART_TXFIFO_EMPTY_INT_ENA (BIT(1)) 47 | #define UART_RXFIFO_FULL_INT_ENA (BIT(0)) 48 | 49 | #define UART_INT_CLR( i ) (REG_UART_BASE( i ) + 0x10) 50 | #define UART_RXFIFO_TOUT_INT_CLR (BIT(8)) 51 | #define UART_BRK_DET_INT_CLR (BIT(7)) 52 | #define UART_CTS_CHG_INT_CLR (BIT(6)) 53 | #define UART_DSR_CHG_INT_CLR (BIT(5)) 54 | #define UART_RXFIFO_OVF_INT_CLR (BIT(4)) 55 | #define UART_FRM_ERR_INT_CLR (BIT(3)) 56 | #define UART_PARITY_ERR_INT_CLR (BIT(2)) 57 | #define UART_TXFIFO_EMPTY_INT_CLR (BIT(1)) 58 | #define UART_RXFIFO_FULL_INT_CLR (BIT(0)) 59 | 60 | #define UART_CLKDIV( i ) (REG_UART_BASE( i ) + 0x14) 61 | #define UART_CLKDIV_CNT 0x000FFFFF 62 | #define UART_CLKDIV_S 0 63 | 64 | #define UART_AUTOBAUD( i ) (REG_UART_BASE( i ) + 0x18) 65 | #define UART_GLITCH_FILT 0x000000FF 66 | #define UART_GLITCH_FILT_S 8 67 | #define UART_AUTOBAUD_EN (BIT(0)) 68 | 69 | #define UART_STATUS( i ) (REG_UART_BASE( i ) + 0x1C) 70 | #define UART_TXD (BIT(31)) 71 | #define UART_RTSN (BIT(30)) 72 | #define UART_DTRN (BIT(29)) 73 | #define UART_TXFIFO_CNT 0x000000FF 74 | #define UART_TXFIFO_CNT_S 16 75 | #define UART_RXD (BIT(15)) 76 | #define UART_CTSN (BIT(14)) 77 | #define UART_DSRN (BIT(13)) 78 | #define UART_RXFIFO_CNT 0x000000FF 79 | #define UART_RXFIFO_CNT_S 0 80 | 81 | #define UART_CONF0( i ) (REG_UART_BASE( i ) + 0x20) 82 | #define UART_TXFIFO_RST (BIT(18)) 83 | #define UART_RXFIFO_RST (BIT(17)) 84 | #define UART_IRDA_EN (BIT(16)) 85 | #define UART_TX_FLOW_EN (BIT(15)) 86 | #define UART_LOOPBACK (BIT(14)) 87 | #define UART_IRDA_RX_INV (BIT(13)) 88 | #define UART_IRDA_TX_INV (BIT(12)) 89 | #define UART_IRDA_WCTL (BIT(11)) 90 | #define UART_IRDA_TX_EN (BIT(10)) 91 | #define UART_IRDA_DPLX (BIT(9)) 92 | #define UART_TXD_BRK (BIT(8)) 93 | #define UART_SW_DTR (BIT(7)) 94 | #define UART_SW_RTS (BIT(6)) 95 | #define UART_STOP_BIT_NUM 0x00000003 96 | #define UART_STOP_BIT_NUM_S 4 97 | #define UART_BIT_NUM 0x00000003 98 | #define UART_BIT_NUM_S 2 99 | #define UART_PARITY_EN (BIT(1)) 100 | #define UART_PARITY (BIT(0)) 101 | 102 | #define UART_CONF1( i ) (REG_UART_BASE( i ) + 0x24) 103 | #define UART_RX_TOUT_EN (BIT(31)) 104 | #define UART_RX_TOUT_THRHD 0x0000007F 105 | #define UART_RX_TOUT_THRHD_S 24 106 | #define UART_RX_FLOW_EN (BIT(23)) 107 | #define UART_RX_FLOW_THRHD 0x0000007F 108 | #define UART_RX_FLOW_THRHD_S 16 109 | #define UART_TXFIFO_EMPTY_THRHD 0x0000007F 110 | #define UART_TXFIFO_EMPTY_THRHD_S 8 111 | #define UART_RXFIFO_FULL_THRHD 0x0000007F 112 | #define UART_RXFIFO_FULL_THRHD_S 0 113 | 114 | #define UART_LOWPULSE( i ) (REG_UART_BASE( i ) + 0x28) 115 | #define UART_LOWPULSE_MIN_CNT 0x000FFFFF 116 | #define UART_LOWPULSE_MIN_CNT_S 0 117 | 118 | #define UART_HIGHPULSE( i ) (REG_UART_BASE( i ) + 0x2C) 119 | #define UART_HIGHPULSE_MIN_CNT 0x000FFFFF 120 | #define UART_HIGHPULSE_MIN_CNT_S 0 121 | 122 | #define UART_PULSE_NUM( i ) (REG_UART_BASE( i ) + 0x30) 123 | #define UART_PULSE_NUM_CNT 0x0003FF 124 | #define UART_PULSE_NUM_CNT_S 0 125 | 126 | #define UART_DATE( i ) (REG_UART_BASE( i ) + 0x78) 127 | #define UART_ID( i ) (REG_UART_BASE( i ) + 0x7C) 128 | #endif // UART_REGISTER_H_INCLUDED 129 | 130 | #define RX_BUFF_SIZE 256 131 | #define TX_BUFF_SIZE 100 132 | #define UART0 0 133 | #define UART1 1 134 | 135 | typedef enum { 136 | FIVE_BITS = 0x0, 137 | SIX_BITS = 0x1, 138 | SEVEN_BITS = 0x2, 139 | EIGHT_BITS = 0x3 140 | } UartBitsNum4Char; 141 | 142 | typedef enum { 143 | ONE_STOP_BIT = 0, 144 | ONE_HALF_STOP_BIT = BIT2, 145 | TWO_STOP_BIT = BIT2 146 | } UartStopBitsNum; 147 | 148 | typedef enum { 149 | NONE_BITS = 0, 150 | ODD_BITS = 0, 151 | EVEN_BITS = BIT4 152 | } UartParityMode; 153 | 154 | typedef enum { 155 | STICK_PARITY_DIS = 0, 156 | STICK_PARITY_EN = BIT3 | BIT5 157 | } UartExistParity; 158 | 159 | typedef enum { 160 | BIT_RATE_9600 = 9600, 161 | BIT_RATE_19200 = 19200, 162 | BIT_RATE_38400 = 38400, 163 | BIT_RATE_57600 = 57600, 164 | BIT_RATE_74880 = 74880, 165 | BIT_RATE_115200 = 115200, 166 | BIT_RATE_230400 = 230400, 167 | BIT_RATE_460800 = 460800, 168 | BIT_RATE_921600 = 921600 169 | } UartBautRate; 170 | 171 | typedef enum { 172 | NONE_CTRL, 173 | HARDWARE_CTRL, 174 | XON_XOFF_CTRL 175 | } UartFlowCtrl; 176 | 177 | typedef enum { 178 | EMPTY, 179 | UNDER_WRITE, 180 | WRITE_OVER 181 | } RcvMsgBuffState; 182 | 183 | typedef struct { 184 | uint32 TrxBuffSize; 185 | uint8 *pTrxBuff; 186 | } TrxMsgBuff; 187 | 188 | typedef enum { 189 | BAUD_RATE_DET, 190 | WAIT_SYNC_FRM, 191 | SRCH_MSG_HEAD, 192 | RCV_MSG_BODY, 193 | RCV_ESC_CHAR, 194 | } RcvMsgState; 195 | 196 | -------------------------------------------------------------------------------- /driver/stdout/stdout.c: -------------------------------------------------------------------------------- 1 | //Stupid bit of code that does the bare minimum to make os_printf work. 2 | 3 | /* 4 | * ---------------------------------------------------------------------------- 5 | * "THE BEER-WARE LICENSE" (Revision 42): 6 | * Jeroen Domburg wrote this file. As long as you retain 7 | * this notice you can do whatever you want with this stuff. If we meet some day, 8 | * and you think this stuff is worth it, you can buy me a beer in return. 9 | * ---------------------------------------------------------------------------- 10 | */ 11 | #include "stdout/stdout.h" 12 | #include "ets_sys.h" 13 | #include "osapi.h" 14 | #include "stdout/uart_hw.h" 15 | 16 | static void ICACHE_FLASH_ATTR stdoutUartTxd(char c) { 17 | //Wait until there is room in the FIFO 18 | while (((READ_PERI_REG(UART_STATUS(0))>>UART_TXFIFO_CNT_S)&UART_TXFIFO_CNT)>=126) ; 19 | //Send the character 20 | WRITE_PERI_REG(UART_FIFO(0), c); 21 | } 22 | 23 | static void ICACHE_FLASH_ATTR stdoutPutchar(char c) { 24 | //convert \n -> \r\n 25 | if (c=='\n') stdoutUartTxd('\r'); 26 | stdoutUartTxd(c); 27 | } 28 | 29 | 30 | void ICACHE_FLASH_ATTR 31 | stdout_init() { 32 | //Enable TxD pin 33 | PIN_PULLUP_DIS(PERIPHS_IO_MUX_U0TXD_U); 34 | PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD); 35 | 36 | //Set baud rate and other serial parameters to 115200,n,8,1 37 | uart_div_modify(0, UART_CLK_FREQ/BIT_RATE_115200); 38 | WRITE_PERI_REG(UART_CONF0(0), (STICK_PARITY_DIS)|(ONE_STOP_BIT << UART_STOP_BIT_NUM_S)| \ 39 | (EIGHT_BITS << UART_BIT_NUM_S)); 40 | 41 | //Reset tx & rx fifo 42 | SET_PERI_REG_MASK(UART_CONF0(0), UART_RXFIFO_RST|UART_TXFIFO_RST); 43 | CLEAR_PERI_REG_MASK(UART_CONF0(0), UART_RXFIFO_RST|UART_TXFIFO_RST); 44 | //Clear pending interrupts 45 | WRITE_PERI_REG(UART_INT_CLR(0), 0xffff); 46 | 47 | //Install our own putchar handler 48 | os_install_putc1((void *)stdoutPutchar); 49 | } 50 | -------------------------------------------------------------------------------- /include/user_config.h: -------------------------------------------------------------------------------- 1 | #ifndef _USER_CONFIG_H_ 2 | #define _USER_CONFIG_H_ 3 | 4 | #define PING_SAMPLE_PERIOD 250 // 250 ms between each sample. you could go faster if you like 5 | 6 | #endif 7 | -------------------------------------------------------------------------------- /user/user_main.c: -------------------------------------------------------------------------------- 1 | #include "ping/ping.h" 2 | #include "ets_sys.h" 3 | #include "osapi.h" 4 | #include "gpio.h" 5 | #include "os_type.h" 6 | #include "user_config.h" 7 | #include "user_interface.h" 8 | #include "stdout/stdout.h" 9 | 10 | static volatile os_timer_t loop_timer; 11 | 12 | // forward declarations 13 | void user_init(void); 14 | void loop(void); 15 | static void setup(void); 16 | static Ping_Data pingA; 17 | static Ping_Data pingB; 18 | 19 | /** 20 | * This is the main user program loop 21 | */ 22 | void ICACHE_FLASH_ATTR 23 | loop(void) { 24 | float distance = 0; 25 | float maxDistance = 3000; // 3 meter 26 | if (ping_ping(&pingA, maxDistance, &distance) ) { 27 | os_printf("A Response ~ %d mm \n", (int)distance); 28 | } else { 29 | os_printf("Failed to get any response from sensor A. Is maxDistance set too low?\n"); 30 | } 31 | if (ping_ping(&pingB, maxDistance, &distance) ) { 32 | os_printf("B Response ~ %d mm \n", (int)distance); 33 | } else { 34 | os_printf("Failed to get any response from sensor B. Is maxDistance set too low?\n"); 35 | } 36 | } 37 | 38 | /** 39 | * Setup program. When user_init runs the debug printouts will not always 40 | * show on the serial console. So i run the inits in here, 2 seconds later. 41 | */ 42 | static void ICACHE_FLASH_ATTR 43 | setup(void) { 44 | ping_init(&pingA, 2, 0, PING_MM); // trigger=GPIO2, echo=GPIO0, set the pins to the same value for one-pin-mode 45 | ping_init(&pingB, 4, 5, PING_MM); // trigger=GPIO4, echo=GPIO5, set the pins to the same value for one-pin-mode 46 | 47 | // Start repeating loop timer 48 | os_timer_disarm(&loop_timer); 49 | os_timer_setfn(&loop_timer, (os_timer_func_t *) loop, NULL); 50 | os_timer_arm(&loop_timer, PING_SAMPLE_PERIOD, true); 51 | } 52 | 53 | //Init function 54 | void ICACHE_FLASH_ATTR 55 | user_init(void) { 56 | // Make uart0 work with just the TX pin. Baud:115200,n,8,1 57 | // The RX pin is now free for GPIO use. 58 | stdout_init(); 59 | 60 | // turn off WiFi for this console only demo 61 | wifi_station_set_auto_connect(false); 62 | wifi_station_disconnect(); 63 | 64 | // Start setup timer 65 | os_timer_disarm(&loop_timer); 66 | os_timer_setfn(&loop_timer, (os_timer_func_t *) setup, NULL); 67 | os_timer_arm(&loop_timer, 2000, false); 68 | 69 | } 70 | --------------------------------------------------------------------------------