110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
#include <array>
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#include <cstdint>
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#include <stdio.h>
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#include "app_networking.hpp"
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#include "app_serial.hpp"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "nvs_flash.h"
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#include "driver/uart.h"
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#include "esp_log.h"
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namespace
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{
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static const char* TAG = "App";
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TaskHandle_t s_main_task = nullptr;
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QueueSetHandle_t s_queue_set = nullptr;
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QueueHandle_t s_esp_now_queue = nullptr;
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QueueHandle_t s_uart_queue = nullptr;
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void s_sendUartData()
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{
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std::size_t uart_rx_size = 0;
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uart_get_buffered_data_len(UART_NUM_0, &uart_rx_size);
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if (uart_rx_size > 128 / 2)
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{
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ESP_LOGD(TAG, "Sending %ull bytes via UART.", uart_rx_size);
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std::array<std::uint8_t, 128> tx_buffer;
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uart_read_bytes(UART_NUM_0, tx_buffer.data(), uart_rx_size, 0);
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Networking::sendData(tx_buffer, uart_rx_size);
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}
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}
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[[noreturn]] void s_mainTask(void*)
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{
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while (true)
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{
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QueueSetMemberHandle_t queue_select = xQueueSelectFromSet(s_queue_set, portMAX_DELAY);
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ESP_LOGI(TAG, "Event: %s.", queue_select == s_esp_now_queue ? "ESP-NOW event" : "UART event");
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if (queue_select == s_esp_now_queue)
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{
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Networking::EspNowEvent event;
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xQueueReceive(queue_select, &event, 0);
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ESP_LOGD(TAG, "ESP-NOW event: %u, rx-length: %ull.", event.type, event.rx_length);
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if (event.type == Networking::EspNowEvent::MSG_RECEIVED)
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{
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std::size_t uart_free = 0;
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uart_get_tx_buffer_free_size(UART_NUM_0, &uart_free);
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if (uart_free >= event.rx_length)
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{
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ESP_LOGD(TAG, "ESP-NOW event: wrote %ull bytes to UART RX.", uart_free);
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const auto& esp_rx_buffer = Networking::getRxBuffer();
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uart_write_bytes(UART_NUM_0, esp_rx_buffer.data(), event.rx_length);
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}
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else
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{
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ESP_LOGW(TAG, "ESP-NOW event: dropped RX data due to full UART RX buffer.");
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}
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}
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else if (event.type == Networking::EspNowEvent::MSG_SEND_COMPLETE)
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{
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ESP_LOGD(TAG, "ESP-NOW event: TX completed. Checking to send data.");
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s_sendUartData();
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}
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}
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else if (queue_select == s_uart_queue)
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{
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uart_event_t event;
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xQueueReceive(s_uart_queue, &event, 0);
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ESP_LOGD(TAG, "UART event: %d", event.type);
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if (event.type == UART_DATA)
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{
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s_sendUartData();
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}
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}
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}
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}
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}// namespace
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extern "C" void app_main(void)
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{
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ESP_ERROR_CHECK(nvs_flash_init());
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ESP_LOGD(TAG, "Starting main.");
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Networking::setupWifi();
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s_esp_now_queue = Networking::setupEspNow();
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s_uart_queue = Serial::setupSerial();
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s_queue_set = xQueueCreateSet(4 + 4);
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xQueueAddToSet(s_esp_now_queue, s_queue_set);
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xQueueAddToSet(s_uart_queue, s_queue_set);
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ESP_LOGI(TAG, "Setup completed.");
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xTaskCreate(s_mainTask, "main_task", 2048, nullptr, 4, &s_main_task);
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}
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