morgan/esp32-lora
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reimplementing semephore and bus locking seems to have helped overall stability, particularly on first init

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Morgan 'ARR\!' Allen 2021-11-17 19:30:01 -08:00
parent dc78e9b137
commit 8f07873624
1 changed files with 7 additions and 7 deletions
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14
main/esp32-lora.c
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@ -31,7 +31,7 @@ static TaskHandle_t dio_task_handle;
static SemaphoreHandle_t spi_semaphore;
uint8_t lora32_read_reg(lora32_cfg_t *lora, uint8_t address) {
//xSemaphoreTake(spi_semaphore, portMAX_DELAY);
xSemaphoreTake(spi_semaphore, portMAX_DELAY);
spi_transaction_t t;
memset(&t, 0, sizeof(spi_transaction_t));
@ -45,13 +45,13 @@ uint8_t lora32_read_reg(lora32_cfg_t *lora, uint8_t address) {
ESP_LOGV(TAG, "<%2X<%2X", address, t.rx_data[1]);
//xSemaphoreGive(spi_semaphore);
xSemaphoreGive(spi_semaphore);
return t.rx_data[1];
}
void lora32_write_reg(lora32_cfg_t *lora, uint8_t address, uint8_t value) {
//xSemaphoreTake(spi_semaphore, portMAX_DELAY);
xSemaphoreTake(spi_semaphore, portMAX_DELAY);
spi_device_handle_t spi = lora->spi;
@ -67,7 +67,7 @@ void lora32_write_reg(lora32_cfg_t *lora, uint8_t address, uint8_t value) {
ESP_ERROR_CHECK(spi_device_transmit(spi, &t));
//xSemaphoreGive(spi_semaphore);
xSemaphoreGive(spi_semaphore);
};
double lora32_calc_datarate(lora32_cfg_t *lora) {
@ -117,7 +117,7 @@ void lora32_enable_tx(lora32_cfg_t *lora) {
}
void lora32_send(lora32_cfg_t *lora, uint8_t *data, uint8_t len) {
spi_device_acquire_bus(lora->spi, portMAX_DELAY);
ESP_ERROR_CHECK(spi_device_acquire_bus(lora->spi, portMAX_DELAY));
lora32_write_reg(lora, REG_DIO_MAPPING_1, DIO0_MODE_TXDONE);
@ -361,6 +361,8 @@ static void IRAM_ATTR lora32_dio_task(void *arg) {
ESP_LOGD(TAG, "clearing irqs");
lora32_write_reg(lora, REG_IRQ_FLAGS, irqs);
spi_device_release_bus(lora->spi);
// TODO handle header validation
if((irqs & IRQ_RX_DONE) == IRQ_RX_DONE) {
lora32_handle_receive(lora);
@ -385,8 +387,6 @@ static void IRAM_ATTR lora32_dio_task(void *arg) {
// these *should* fire at the same time, defaults to false
if(lora->cad_done != NULL) lora->cad_done(lora, cad_detected);
}
spi_device_release_bus(lora->spi);
}
}