93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
#include "radio.h"
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#include "esp32-hal-gpio.h"
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#include "esp_log.h"
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#include "freertos/idf_additions.h"
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#include <Arduino.h>
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#include <RFM69.h>
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#include <SPI.h>
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#include <cstdint>
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#include <cstring>
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#include <drone_comms.h>
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#define RFM69_RST 14
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#define RFM69_CS 12
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#define RFM69_INT 39
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#define SPI_SCLK 18
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#define SPI_MISO 19
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#define SPI_MOSI 23
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#define FREQUENCY RF69_433MHZ
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#define NODEID 1
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#define NETWORKID 100
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static const char *TAG = "RADIO_TASK";
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#define PACKET_QUEUE_CAP 10
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void radio_rx_task(void *pvParameters) {
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ESP_LOGI(TAG, "Radio Task Started on Core %d", xPortGetCoreID());
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packet_queue = xQueueCreate(PACKET_QUEUE_CAP, MAX_PACKET_SIZE);
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controller_input_semaphore = xSemaphoreCreateMutex();
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pinMode(RFM69_CS, OUTPUT);
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pinMode(RFM69_INT, INPUT);
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// 1. Setup SPI for this task
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SPIClass vspi(VSPI);
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vspi.begin(SPI_SCLK, SPI_MISO, SPI_MOSI, 34);
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// 3. Hardware Reset
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pinMode(RFM69_RST, OUTPUT);
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digitalWrite(RFM69_RST, HIGH);
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vTaskDelay(pdMS_TO_TICKS(10));
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digitalWrite(RFM69_RST, LOW);
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vTaskDelay(pdMS_TO_TICKS(50));
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RFM69 radio(RFM69_CS, RFM69_INT, true, &vspi);
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if (radio.initialize(FREQUENCY, NODEID, NETWORKID)) {
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radio.setHighPower(true);
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ESP_LOGI(TAG, "Radio Initialized. Version: 0x%02X", radio.readReg(0x10));
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} else {
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ESP_LOGE(TAG, "Radio Init FAILED! Deleting Task.");
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vTaskDelete(NULL);
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}
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// 4. Polling Loop
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while (1) {
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if (radio.receiveDone()) {
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// ESP_LOGD(TAG, "Packet [ID:%d] RSSI:%d LEN:%d", radio.SENDERID,
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// radio.RSSI,
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// radio.DATALEN);
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memset(packet_data, '\0', sizeof(packet_data));
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memcpy(packet_data, radio.DATA, radio.DATALEN);
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PACKET_TYPE packet_type = *((PACKET_TYPE *)&packet_data[0]);
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if (packet_type == CONTROLLER_INPUT) {
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controller_input *inp =
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(controller_input *)(&packet_data[0] + sizeof(PACKET_TYPE));
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if (xSemaphoreTake(controller_input_semaphore, (TickType_t)50) ==
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pdTRUE) {
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current_controller_input = *inp;
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xSemaphoreGive(controller_input_semaphore);
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}
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} else {
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xQueueSend(packet_queue, &packet_data, portMAX_DELAY);
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}
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if (radio.ACKRequested()) {
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radio.sendACK();
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}
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}
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// Small delay to prevent Watchdog trigger and allow other tasks to run
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// 1ms is usually enough for high-speed polling
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vTaskDelay(pdMS_TO_TICKS(1));
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}
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}
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