119 lines
No EOL
2.4 KiB
C++
119 lines
No EOL
2.4 KiB
C++
#include "stdlib.h"
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#include "esp_log.h"
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#include "Arduino.h"
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#include "nvs_flash.h"
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#include <mutex>
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#include "mpack.h"
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#include "ESP32epdx.h"
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#include "EPD.h"
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#include "mesh_netif.h"
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#include "tcphelper.h"
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#include "main.h"
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std::mutex epd_mtx;
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/*
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SPI: SCK = 6 ; MISO = 2 ; MOSI = 7 ; SS = 16
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EPD: RES = 22 ; DC = 23 ; CS = 1 ; BUSY = 0
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*/
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uint8_t *image_buf = nullptr;
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extern "C" int command_update_image(uint64_t index, char *buf, size_t len) {
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if (!epd_mtx.try_lock()) {
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return -3; // locked
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}
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if (
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index < 0 || index >= CONFIG_IMAGE_BUF_SIZE ||
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len < 0 || len > CONFIG_IMAGE_BUF_SIZE ||
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(index+len) < 0 || (index+len) > CONFIG_IMAGE_BUF_SIZE
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)
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{
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epd_mtx.unlock();
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return -2;
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}
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memcpy(image_buf + index, buf, len);
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epd_mtx.unlock();
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return 0;
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}
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extern "C" int command_push_image() {
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if (epd_mtx.try_lock()) {
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EPD_HW_Init_Fast();
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EPD_Display((unsigned char *)(image_buf));
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EPD_DeepSleep();
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epd_mtx.unlock();
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return 0;
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} else {
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return -3;
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}
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}
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extern "C" int tcp_client_callback(request_t *req) {
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printf("cmd -> %s\n", req->command);
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printf("index -> %llu\n", req->index);
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printf("data_len -> %u\n", req->data_len);
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// execute command
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if (strcmp(req->command, "ping") == 0)
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{
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return 0;
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}
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else if (strcmp(req->command, "update_image") == 0)
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{
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return command_update_image(req->index, req->data, req->data_len);
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}
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else if (strcmp(req->command, "push_image") == 0)
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{
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return command_push_image();
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}
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else
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{
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return -2;
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}
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}
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extern "C" void app_main() {
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initArduino();
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#if CONFIG_TCP_ROOT == 0
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// init image_buf
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image_buf = (uint8_t *)malloc(CONFIG_IMAGE_BUF_SIZE);
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if (!image_buf) {
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return;
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}
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memset(image_buf, 0, CONFIG_IMAGE_BUF_SIZE);
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#endif
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// initialize NVS
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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// Initialize EPD
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EPD_Pin_Init(6, 2, 7, 16,
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22, 23, 1, 0);
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mesh_main();
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// tcp client
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tcp_initialize();
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// Arduino-like setup()
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// Arduino-like loop()
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while (true)
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{
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vTaskDelay(500);
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}
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// WARNING: if program reaches end of function app_main() the MCU will restart.
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} |