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fix uart crash with dev platform

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This commit is contained in:
MichaelDvP
2022-05-18 17:18:01 +02:00
parent c7fb339ee9
commit 8307753d53
1 changed files with 7 additions and 8 deletions
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15
src/uart/emsuart_esp32.cpp
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@@ -31,7 +31,7 @@
namespace emsesp {
static QueueHandle_t uart_queue;
uint8_t tx_mode_;
uint8_t tx_mode_ = 0xFF;
/*
* receive task, wait for break and call incoming_telegram
@@ -40,7 +40,6 @@ void EMSuart::uart_event_task(void * pvParameters) {
uart_event_t event;
uint8_t telegram[EMS_MAXBUFFERSIZE];
uint8_t length = 0;
// size_t length;
while (1) {
//Waiting for UART event.
@@ -48,17 +47,15 @@ void EMSuart::uart_event_task(void * pvParameters) {
if (event.type == UART_DATA) {
length += event.size;
} else if (event.type == UART_BREAK) {
// uart_get_buffered_data_len(EMSUART_NUM, &length);
if (length == 2 || (length >= 6 && length <= EMS_MAXBUFFERSIZE)) {
uart_read_bytes(EMSUART_NUM, telegram, length, portMAX_DELAY);
// if (telegram[0] && !telegram[length - 1]) {
EMSESP::incoming_telegram(telegram, (uint8_t)(length - 1));
EMSESP::incoming_telegram(telegram, (uint8_t)(length - 1));
// }
} else {
// flush buffer up to break
uint8_t buf[length];
uart_read_bytes(EMSUART_NUM, buf, length, portMAX_DELAY);
// uart_flush_input(EMSUART_NUM);
}
length = 0;
} else if (event.type == UART_BUFFER_FULL) {
@@ -74,7 +71,7 @@ void EMSuart::uart_event_task(void * pvParameters) {
* init UART driver
*/
void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t tx_gpio) {
if (!uart_is_driver_installed(EMSUART_NUM)) {
if (tx_mode_ == 0xFF) {
uart_config_t uart_config = {
.baud_rate = EMSUART_BAUD,
.data_bits = UART_DATA_8_BITS,
@@ -88,7 +85,7 @@ void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t
uart_set_pin(EMSUART_NUM, tx_gpio, rx_gpio, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
uart_set_rx_full_threshold(EMSUART_NUM, 1);
uart_set_rx_timeout(EMSUART_NUM, 0); // disable
xTaskCreate(uart_event_task, "uart_event_task", 2048, NULL, configMAX_PRIORITIES - 1, NULL);
xTaskCreate(uart_event_task, "uart_event_task", 2048, NULL, configMAX_PRIORITIES - 3, NULL);
}
tx_mode_ = tx_mode;
uart_enable_intr_mask(EMSUART_NUM, UART_BRK_DET_INT_ENA | UART_RXFIFO_FULL_INT_ENA);
@@ -98,7 +95,9 @@ void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t
* Stop, disable interrupt
*/
void EMSuart::stop() {
uart_disable_intr_mask(EMSUART_NUM, UART_BRK_DET_INT_ENA | UART_RXFIFO_FULL_INT_ENA);
if (tx_mode_ != 0xFF) { // only call after driver initialisation
uart_disable_intr_mask(EMSUART_NUM, UART_BRK_DET_INT_ENA | UART_RXFIFO_FULL_INT_ENA);
}
};
/*