Bugfix/fix modbus rs485 rts en fail (backport v4.0)

release/v4.0
Alex Lisitsyn 2021-09-11 01:43:49 +08:00 zatwierdzone przez Michael (XIAO Xufeng)
rodzic 172bc4b5bb
commit a183b32972
2 zmienionych plików z 5 dodań i 4 usunięć

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@ -1090,8 +1090,9 @@ esp_err_t uart_wait_tx_done(uart_port_t uart_num, TickType_t ticks_to_wait)
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
return ESP_OK;
}
uart_enable_intr_mask(uart_num, UART_TX_DONE_INT_ENA_M);
UART_ENTER_CRITICAL_ISR(&uart_spinlock[uart_num]);
SET_PERI_REG_MASK(UART_INT_ENA_REG(uart_num), UART_TX_DONE_INT_ENA_M);
UART_EXIT_CRITICAL_ISR(&uart_spinlock[uart_num]);
TickType_t ticks_end = xTaskGetTickCount();
if (ticks_end - ticks_start > ticks_to_wait) {
ticks_to_wait = 0;
@ -1101,7 +1102,7 @@ esp_err_t uart_wait_tx_done(uart_port_t uart_num, TickType_t ticks_to_wait)
//take 2nd tx_done_sem, wait given from ISR
res = xSemaphoreTake(p_uart_obj[uart_num]->tx_done_sem, (portTickType)ticks_to_wait);
if(res == pdFALSE) {
uart_disable_intr_mask(uart_num, UART_TX_DONE_INT_ENA_M);
// The TX_DONE interrupt will be disabled in ISR
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
return ESP_ERR_TIMEOUT;
}

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@ -62,7 +62,7 @@
// Set buffer size for transmission
#define MB_SERIAL_BUF_SIZE (CONFIG_FMB_SERIAL_BUF_SIZE)
#define MB_SERIAL_TX_TOUT_MS (100)
#define MB_SERIAL_TX_TOUT_MS (2200)
#define MB_SERIAL_TX_TOUT_TICKS pdMS_TO_TICKS(MB_SERIAL_TX_TOUT_MS) // timeout for transmission
/* ----------------------- Static variables ---------------------------------*/