├── .gitignore ├── .gitmodules ├── LICENSE ├── Makefile └── main ├── component.mk ├── http_aprs.c ├── include ├── http_aprs.h ├── softap.h └── tcp_kiss.h ├── main.c ├── softap.c ├── tcp_kiss.c └── www_data └── index.html /.gitignore: -------------------------------------------------------------------------------- 1 | build 2 | sdkconfig 3 | sdkconfig.old 4 | main/cert.pem 5 | main/private.key 6 | -------------------------------------------------------------------------------- /.gitmodules: -------------------------------------------------------------------------------- 1 | [submodule "components/LibAPRS"] 2 | path = components/LibAPRS 3 | url = https://github.com/EvanKrall/LibAPRS-esp32-i2s.git 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "[]" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | # 2 | # This is a project Makefile. It is assumed the directory this Makefile resides in is a 3 | # project subdirectory. 4 | # 5 | 6 | PROJECT_NAME := tnc-esp32 7 | 8 | include $(IDF_PATH)/make/project.mk -------------------------------------------------------------------------------- /main/component.mk: -------------------------------------------------------------------------------- 1 | 2 | $(COMPONENT_PATH)/cert.pem: $(COMPONENT_PATH)/private.key 3 | $(COMPONENT_PATH)/private.key: 4 | openssl req -newkey rsa:2048 -nodes -keyout $(COMPONENT_PATH)/private.key -x509 -days 3650 -out $(COMPONENT_PATH)/cert.pem -subj "/CN=$(PROJECT_NAME)" 5 | 6 | COMPONENT_EMBED_TXTFILES += www_data/index.html 7 | COMPONENT_EMBED_TXTFILES += cert.pem private.key -------------------------------------------------------------------------------- /main/http_aprs.c: -------------------------------------------------------------------------------- 1 | #include "esp_https_server.h" 2 | #include "esp_log.h" 3 | #include "LibAPRS.h" 4 | 5 | esp_err_t handler_get_root(httpd_req_t *req) { 6 | extern const char resp[] asm("_binary_index_html_start"); 7 | httpd_resp_send(req, resp, strlen(resp)); 8 | return ESP_OK; 9 | } 10 | 11 | void format_latlon(float fDegrees, char *buf, size_t buflen, bool is_lat) { 12 | bool southwest = false; 13 | if (fDegrees < 0.0) { 14 | fDegrees *= -1; 15 | southwest = true; 16 | } 17 | 18 | int degrees = (int)fDegrees; 19 | fDegrees -= degrees; 20 | fDegrees *= 60; 21 | int minutes = (int)fDegrees; 22 | fDegrees -= minutes; 23 | fDegrees *= 60; 24 | int seconds = (int)fDegrees; 25 | 26 | char nsew; 27 | if (is_lat) { 28 | if (southwest) { 29 | nsew = 'S'; 30 | } else { 31 | nsew = 'N'; 32 | } 33 | } else { 34 | if (southwest) { 35 | nsew = 'W'; 36 | } else { 37 | nsew = 'E'; 38 | } 39 | } 40 | 41 | if (is_lat) { 42 | snprintf(buf, buflen, "%02d%02d.%02d%c", degrees, minutes, seconds, nsew); 43 | } else { 44 | snprintf(buf, buflen, "%03d%02d.%02d%c", degrees, minutes, seconds, nsew); 45 | } 46 | } 47 | 48 | esp_err_t handler_post_location(httpd_req_t *req) { 49 | char content[100]; 50 | /* Truncate if content length larger than the buffer */ 51 | size_t recv_size = req->content_len < sizeof(content) ? req->content_len : sizeof(content); 52 | 53 | int ret = httpd_req_recv(req, content, recv_size); 54 | if (ret <= 0) { /* 0 return value indicates connection closed */ 55 | /* Check if timeout occurred */ 56 | if (ret == HTTPD_SOCK_ERR_TIMEOUT) { 57 | /* In case of timeout one can choose to retry calling 58 | * httpd_req_recv(), but to keep it simple, here we 59 | * respond with an HTTP 408 (Request Timeout) error */ 60 | httpd_resp_send_408(req); 61 | } 62 | /* In case of error, returning ESP_FAIL will 63 | * ensure that the underlying socket is closed */ 64 | return ESP_FAIL; 65 | } 66 | content[ret] = '\0'; 67 | 68 | char valbuf[20]; 69 | char outbuf[10]; // 10 (9+\0) for longitude, 9 (8+\0) for latitude 70 | 71 | httpd_query_key_value(content, "longitude", valbuf, sizeof(valbuf)); 72 | format_latlon(atof(valbuf), outbuf, 10, false); 73 | APRS_setLon(outbuf); 74 | 75 | httpd_query_key_value(content, "latitude", valbuf, sizeof(valbuf)); 76 | format_latlon(atof(valbuf), outbuf, 10, true); 77 | APRS_setLat(outbuf); 78 | 79 | // char aprsbuf[1024]; 80 | APRS_sendLoc(NULL, 0); 81 | 82 | /* Send a simple response */ 83 | const char resp[] = "URI POST Response"; 84 | httpd_resp_send(req, resp, strlen(resp)); 85 | return ESP_OK; 86 | } 87 | 88 | httpd_uri_t uri_get_root = { 89 | .uri = "/", 90 | .method = HTTP_GET, 91 | .handler = handler_get_root, 92 | .user_ctx = NULL 93 | }; 94 | 95 | httpd_uri_t uri_post_location = { 96 | .uri = "/location", 97 | .method = HTTP_POST, 98 | .handler = handler_post_location, 99 | .user_ctx = NULL 100 | }; 101 | 102 | httpd_handle_t start_webserver(void) { 103 | /* Generate default configuration */ 104 | httpd_ssl_config_t conf = HTTPD_SSL_CONFIG_DEFAULT(); 105 | 106 | extern const unsigned char cacert_pem_start[] asm("_binary_cert_pem_start"); 107 | extern const unsigned char cacert_pem_end[] asm("_binary_cert_pem_end"); 108 | conf.cacert_pem = cacert_pem_start; 109 | conf.cacert_len = cacert_pem_end - cacert_pem_start; 110 | 111 | extern const unsigned char private_key_start[] asm("_binary_private_key_start"); 112 | extern const unsigned char private_key_end[] asm("_binary_private_key_end"); 113 | conf.prvtkey_pem = private_key_start; 114 | conf.prvtkey_len = private_key_end - private_key_start; 115 | 116 | /* Empty handle to esp_http_server */ 117 | httpd_handle_t server = NULL; 118 | 119 | /* Start the httpd server */ 120 | if (httpd_ssl_start(&server, &conf) == ESP_OK) { 121 | /* Register URI handlers */ 122 | httpd_register_uri_handler(server, &uri_get_root); 123 | httpd_register_uri_handler(server, &uri_post_location); 124 | } 125 | /* If server failed to start, handle will be NULL */ 126 | return server; 127 | } -------------------------------------------------------------------------------- /main/include/http_aprs.h: -------------------------------------------------------------------------------- 1 | #include "esp_http_server.h" 2 | 3 | httpd_handle_t start_webserver(void); -------------------------------------------------------------------------------- /main/include/softap.h: -------------------------------------------------------------------------------- 1 | void start_wifi(); -------------------------------------------------------------------------------- /main/include/tcp_kiss.h: -------------------------------------------------------------------------------- 1 | void start_kiss_server(); 2 | void forward_packet_to_kiss(struct AX25Msg *msg); -------------------------------------------------------------------------------- /main/main.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | #include "freertos/FreeRTOS.h" 5 | #include "freertos/queue.h" 6 | #include "driver/gpio.h" 7 | #include "driver/i2s.h" 8 | #include "esp_log.h" 9 | #include "LibAPRS.h" 10 | #include "tcp_kiss.h" 11 | #include "device.h" 12 | #include "http_aprs.h" 13 | 14 | 15 | // callback from LibAPRS 16 | void aprs_msg_callback(struct AX25Msg *msg) { 17 | forward_packet_to_kiss(msg); 18 | printf("Got a message!\n"); 19 | printf("SRC: %.6s-%d. ", msg->src.call, msg->src.ssid); 20 | printf("DST: %.6s-%d. ", msg->dst.call, msg->dst.ssid); 21 | printf("Data: %.*s\n", msg->len, msg->info); 22 | } 23 | 24 | void start_wifi(); // from softap.c 25 | esp_err_t app_main() { 26 | APRS_init(0, false); 27 | APRS_setCallsign("KC9IAE", 1); 28 | APRS_setDestination("APRS", 0); 29 | APRS_setPath1("WIDE1", 1); 30 | APRS_setPath2("WIDE2", 1); 31 | 32 | start_wifi(); 33 | start_kiss_server(); 34 | start_webserver(); 35 | 36 | return 0; 37 | } 38 | 39 | int btstack_main(int argc, const char * argv[]) { 40 | return 0; 41 | } 42 | -------------------------------------------------------------------------------- /main/softap.c: -------------------------------------------------------------------------------- 1 | /* WiFi softAP Example 2 | This example code is in the Public Domain (or CC0 licensed, at your option.) 3 | Unless required by applicable law or agreed to in writing, this 4 | software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 5 | CONDITIONS OF ANY KIND, either express or implied. 6 | */ 7 | #include 8 | #include "freertos/FreeRTOS.h" 9 | #include "freertos/task.h" 10 | #include "esp_system.h" 11 | #include "esp_wifi.h" 12 | #include "esp_event.h" 13 | #include "esp_log.h" 14 | #include "nvs_flash.h" 15 | 16 | #include "lwip/err.h" 17 | #include "lwip/sys.h" 18 | #include "softap.h" 19 | 20 | /* The examples use WiFi configuration that you can set via project configuration menu. 21 | If you'd rather not, just change the below entries to strings with 22 | the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid" 23 | */ 24 | #define EXAMPLE_ESP_WIFI_SSID ("tnc-esp32") 25 | #define EXAMPLE_ESP_WIFI_PASS ("i am a ham") 26 | #define EXAMPLE_MAX_STA_CONN (16) 27 | 28 | static const char *TAG = "wifi softAP"; 29 | 30 | static void wifi_event_handler(void* arg, esp_event_base_t event_base, 31 | int32_t event_id, void* event_data) 32 | { 33 | if (event_id == WIFI_EVENT_AP_STACONNECTED) { 34 | wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data; 35 | ESP_LOGI(TAG, "station "MACSTR" join, AID=%d", 36 | MAC2STR(event->mac), event->aid); 37 | } else if (event_id == WIFI_EVENT_AP_STADISCONNECTED) { 38 | wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data; 39 | ESP_LOGI(TAG, "station "MACSTR" leave, AID=%d", 40 | MAC2STR(event->mac), event->aid); 41 | } 42 | } 43 | 44 | void wifi_init_softap() 45 | { 46 | tcpip_adapter_init(); 47 | ESP_ERROR_CHECK(esp_event_loop_create_default()); 48 | 49 | wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(); 50 | ESP_ERROR_CHECK(esp_wifi_init(&cfg)); 51 | 52 | ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL)); 53 | 54 | wifi_config_t wifi_config = { 55 | .ap = { 56 | .ssid = EXAMPLE_ESP_WIFI_SSID, 57 | .ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID), 58 | .password = EXAMPLE_ESP_WIFI_PASS, 59 | .max_connection = EXAMPLE_MAX_STA_CONN, 60 | .authmode = WIFI_AUTH_WPA_WPA2_PSK 61 | }, 62 | }; 63 | if (strlen(EXAMPLE_ESP_WIFI_PASS) == 0) { 64 | wifi_config.ap.authmode = WIFI_AUTH_OPEN; 65 | } 66 | 67 | ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP)); 68 | ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config)); 69 | ESP_ERROR_CHECK(esp_wifi_start()); 70 | 71 | ESP_LOGI(TAG, "wifi_init_softap finished. SSID:%s password:%s", 72 | EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS); 73 | } 74 | 75 | 76 | void start_wifi() { 77 | //Initialize NVS 78 | esp_err_t ret = nvs_flash_init(); 79 | if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) { 80 | ESP_ERROR_CHECK(nvs_flash_erase()); 81 | ret = nvs_flash_init(); 82 | } 83 | ESP_ERROR_CHECK(ret); 84 | 85 | ESP_LOGI(TAG, "ESP_WIFI_MODE_AP"); 86 | wifi_init_softap(); 87 | } -------------------------------------------------------------------------------- /main/tcp_kiss.c: -------------------------------------------------------------------------------- 1 | /* BSD Socket API Example 2 | 3 | This example code is in the Public Domain (or CC0 licensed, at your option.) 4 | 5 | Unless required by applicable law or agreed to in writing, this 6 | software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 7 | CONDITIONS OF ANY KIND, either express or implied. 8 | */ 9 | #include 10 | #include 11 | #include "freertos/FreeRTOS.h" 12 | #include "freertos/task.h" 13 | #include "esp_system.h" 14 | #include "esp_wifi.h" 15 | #include "esp_event.h" 16 | #include "esp_log.h" 17 | #include "nvs_flash.h" 18 | #include "tcpip_adapter.h" 19 | 20 | #include "lwip/err.h" 21 | #include "lwip/sockets.h" 22 | #include "lwip/sys.h" 23 | #include 24 | 25 | #include "LibAPRS.h" 26 | 27 | #include "tcp_kiss.h" 28 | 29 | 30 | #define PORT 8001 31 | 32 | static const char *TAG = "tcp_kiss"; 33 | 34 | static int bind_port() { 35 | 36 | char addr_str[128]; 37 | int addr_family; 38 | int ip_protocol; 39 | 40 | #ifdef CONFIG_EXAMPLE_IPV4 41 | struct sockaddr_in dest_addr; 42 | dest_addr.sin_addr.s_addr = htonl(INADDR_ANY); 43 | dest_addr.sin_family = AF_INET; 44 | dest_addr.sin_port = htons(PORT); 45 | addr_family = AF_INET; 46 | ip_protocol = IPPROTO_IP; 47 | inet_ntoa_r(dest_addr.sin_addr, addr_str, sizeof(addr_str) - 1); 48 | #else // IPV6 49 | struct sockaddr_in6 dest_addr; 50 | bzero(&dest_addr.sin6_addr.un, sizeof(dest_addr.sin6_addr.un)); 51 | dest_addr.sin6_family = AF_INET6; 52 | dest_addr.sin6_port = htons(PORT); 53 | addr_family = AF_INET6; 54 | ip_protocol = IPPROTO_IPV6; 55 | inet6_ntoa_r(dest_addr.sin6_addr, addr_str, sizeof(addr_str) - 1); 56 | #endif 57 | 58 | int listen_sock = socket(addr_family, SOCK_STREAM, ip_protocol); 59 | if (listen_sock < 0) { 60 | ESP_LOGE(TAG, "Unable to create socket: errno %d", errno); 61 | return -1; 62 | } 63 | ESP_LOGI(TAG, "Socket created"); 64 | 65 | int err = bind(listen_sock, (struct sockaddr *)&dest_addr, sizeof(dest_addr)); 66 | if (err != 0 && errno != 112) { 67 | ESP_LOGE(TAG, "Socket unable to bind: errno %d", errno); 68 | return -1; 69 | } 70 | ESP_LOGI(TAG, "Socket bound, port %d", PORT); 71 | 72 | err = listen(listen_sock, 1); 73 | if (err != 0) { 74 | ESP_LOGE(TAG, "Error occurred during listen: errno %d", errno); 75 | return -1; 76 | } 77 | ESP_LOGI(TAG, "Socket listening"); 78 | 79 | return listen_sock; 80 | } 81 | 82 | static int accepted_socket = -1; 83 | 84 | static void tcp_server_task(void *pvParameters) 85 | { 86 | char rx_buffer[2048]; 87 | int listen_sock = bind_port(); 88 | 89 | while (listen_sock > 0) { 90 | struct sockaddr_in6 source_addr; // Large enough for both IPv4 or IPv6 91 | uint addr_len = sizeof(source_addr); 92 | accepted_socket = accept(listen_sock, (struct sockaddr *)&source_addr, &addr_len); 93 | if (accepted_socket < 0) { 94 | ESP_LOGE(TAG, "Unable to accept connection: errno %d", errno); 95 | break; 96 | } 97 | ESP_LOGI(TAG, "Socket accepted"); 98 | 99 | while (1) { 100 | int len = recv(accepted_socket, rx_buffer, sizeof(rx_buffer) - 1, 0); 101 | // Error occurred during receiving 102 | if (len < 0) { 103 | ESP_LOGE(TAG, "recv failed: errno %d", errno); 104 | break; 105 | } 106 | // Connection closed 107 | else if (len == 0) { 108 | ESP_LOGI(TAG, "Connection closed"); 109 | break; 110 | } 111 | // Data received 112 | else { 113 | char addr_str[128]; 114 | // Get the sender's ip address as string 115 | if (source_addr.sin6_family == PF_INET) { 116 | inet_ntoa_r(((struct sockaddr_in *)&source_addr)->sin_addr.s_addr, addr_str, sizeof(addr_str) - 1); 117 | } else if (source_addr.sin6_family == PF_INET6) { 118 | inet6_ntoa_r(source_addr.sin6_addr, addr_str, sizeof(addr_str) - 1); 119 | } 120 | 121 | rx_buffer[len] = 0; // Null-terminate whatever we received and treat like a string 122 | ESP_LOGI(TAG, "Received %d bytes from %s:", len, addr_str); 123 | ESP_LOGI(TAG, "%s", rx_buffer); 124 | 125 | int err = send(accepted_socket, rx_buffer, len, 0); 126 | APRS_setPreamble(350); 127 | APRS_setTail(150); 128 | APRS_sendPkt(rx_buffer, len); 129 | ESP_LOGI(TAG, "Transmitted data as AFSK"); 130 | if (err < 0) { 131 | ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); 132 | break; 133 | } 134 | } 135 | } 136 | 137 | if (accepted_socket != -1) { 138 | ESP_LOGE(TAG, "Shutting down socket and restarting..."); 139 | shutdown(accepted_socket, 0); 140 | close(accepted_socket); 141 | accepted_socket = -1; 142 | } 143 | } 144 | vTaskDelete(NULL); 145 | } 146 | 147 | void start_kiss_server() 148 | { 149 | ESP_ERROR_CHECK(nvs_flash_init()); 150 | tcpip_adapter_init(); 151 | xTaskCreate(tcp_server_task, "tcp_server", 40960, NULL, 5, NULL); 152 | } 153 | 154 | 155 | #define BUFLEN (1024) 156 | static char buf[BUFLEN]; 157 | void forward_packet_to_kiss(struct AX25Msg *msg) { 158 | printf("Sending message to kiss socket"); 159 | if (accepted_socket > 0) { 160 | // TODO: actually format according to KISS. 161 | printf("%d\n", snprintf(buf, BUFLEN, "Got a message!\n")); 162 | int err = send(accepted_socket, buf, strnlen(buf, BUFLEN), 0); 163 | if (err < 0) { 164 | ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); 165 | return; 166 | } 167 | printf("%d\n", snprintf(buf, BUFLEN, "SRC: %.6s-%d. ", msg->src.call, msg->src.ssid)); 168 | err = send(accepted_socket, buf, strnlen(buf, BUFLEN), 0); 169 | if (err < 0) { 170 | ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); 171 | return; 172 | } 173 | printf("%d\n", snprintf(buf, BUFLEN, "DST: %.6s-%d. ", msg->dst.call, msg->dst.ssid)); 174 | err = send(accepted_socket, buf, strnlen(buf, BUFLEN), 0); 175 | if (err < 0) { 176 | ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); 177 | return; 178 | } 179 | printf("%d\n", snprintf(buf, BUFLEN, "Data: %.*s\n", msg->len, msg->info)); 180 | err = send(accepted_socket, buf, strnlen(buf, BUFLEN), 0); 181 | if (err < 0) { 182 | ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); 183 | return; 184 | } 185 | } 186 | } -------------------------------------------------------------------------------- /main/www_data/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 34 | 35 | 36 | --------------------------------------------------------------------------------