move lmic os sendjob to new lora_send task
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9e42de67bd
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258e830470
@ -34,7 +34,7 @@ void os_getArtEui(u1_t *buf);
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void os_getDevEui(u1_t *buf);
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void showLoraKeys(void);
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void switch_lora(uint8_t sf, uint8_t tx);
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void lora_send(osjob_t *job);
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void lora_send(void *pvParameters);
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void lora_enqueuedata(MessageBuffer_t *message);
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void lora_queuereset(void);
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#if (TIME_SYNC_LORAWAN)
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@ -18,9 +18,8 @@ static const char TAG[] = "lora";
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#endif
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#endif
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osjob_t sendjob;
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QueueHandle_t LoraSendQueue;
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TaskHandle_t lmicTask = NULL;
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TaskHandle_t lmicTask = NULL, lorasendTask = NULL;
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class MyHalConfig_t : public Arduino_LMIC::HalConfiguration_t {
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@ -218,8 +217,6 @@ void onEvent(ev_t ev) {
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// Set data rate and transmit power (note: txpower seems to be ignored by
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// the library)
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switch_lora(cfg.lorasf, cfg.txpower);
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// kickoff first send job
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os_setCallback(&sendjob, lora_send);
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// show effective LoRa parameters after join
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ESP_LOGI(TAG, "DEVaddr=%08X", LMIC.devaddr);
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break;
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@ -248,11 +245,6 @@ void onEvent(ev_t ev) {
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: PSTR("TX COMPLETE"));
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sprintf(display_line6, " "); // clear previous lmic status
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// schedule next transmission with some random delay to prevent systematic
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// collisions
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os_setTimedCallback(&sendjob, os_getTime() + ms2osticks(random(500)),
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lora_send);
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if (LMIC.dataLen) { // did we receive payload data -> display info
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ESP_LOGI(TAG, "Received %d bytes of payload, RSSI %d SNR %d",
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LMIC.dataLen, LMIC.rssi, LMIC.snr / 4);
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@ -394,23 +386,27 @@ void switch_lora(uint8_t sf, uint8_t tx) {
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}
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}
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void lora_send(osjob_t *job) {
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// LMIC send task
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void lora_send(void *pvParameters) {
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configASSERT(((uint32_t)pvParameters) == 1); // FreeRTOS check
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MessageBuffer_t SendBuffer;
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// Check if there is not a current TX/RX job running
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if (LMIC.opmode & OP_TXRXPEND) {
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ESP_LOGE(TAG, "LMIC busy, data not sent and lost");
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return;
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}
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while (1) {
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// fetch next / wait for payload to send from queue
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if (xQueueReceive(LoraSendQueue, &SendBuffer, portMAX_DELAY) == pdTRUE) {
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// fetch next payload to send from queue or wait until new payload shows up in
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// queue
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if (xQueueReceive(LoraSendQueue, &SendBuffer, portMAX_DELAY) == pdTRUE) {
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if (LMIC_setTxData2(SendBuffer.MessagePort, SendBuffer.Message,
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SendBuffer.MessageSize, (cfg.countermode & 0x02)) == 0)
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ESP_LOGI(TAG, "%d byte(s) delivered to LMIC", SendBuffer.MessageSize);
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else
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lora_enqueuedata(&SendBuffer); // re-enqueue unsent message
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// Check if there is not a current TX/RX job running
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if (LMIC.opmode & OP_TXRXPEND)
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lora_enqueuedata(&SendBuffer); // LMIC stack busy
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else if (LMIC_setTxData2(SendBuffer.MessagePort, SendBuffer.Message,
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SendBuffer.MessageSize,
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(cfg.countermode & 0x02)) == 0)
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ESP_LOGI(TAG, "%d byte(s) delivered to LMIC", SendBuffer.MessageSize);
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else
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lora_enqueuedata(&SendBuffer); // LMIC stack denied tx
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}
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delay(2); // yield to CPU
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}
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}
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@ -434,6 +430,15 @@ esp_err_t lora_stack_init() {
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&lmicTask, // task handle
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1); // CPU core
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// starting lmic send task
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xTaskCreatePinnedToCore(lora_send, // task function
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"lorasendtask", // name of task
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2048, // stack size of task
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(void *)1, // parameter of the task
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2, // priority of the task
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&lorasendTask, // task handle
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1); // CPU core
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if (!LMIC_startJoining()) { // start joining
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ESP_LOGI(TAG, "Already joined");
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}
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@ -36,6 +36,7 @@ timesync_req 1 3 processes realtime time sync requests
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lmictask 1 2 MCCI LMiC LORAWAN stack
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irqhandler 1 1 display, timesync, gps, etc. triggered by timers
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gpsloop 1 1 reads data from GPS via serial or i2c
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lorasendtask 1 1 feed data from lora sendqueue to lmcic
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IDLE 1 0 ESP32 arduino scheduler -> runs wifi channel rotator
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Low priority numbers denote low priority tasks.
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