alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

driver: uart fix the rts line assertion issue

Browse Source
This commit is contained in:
aleks 2021-07-21 06:33:51 +02:00 committed by Alex Lisitsyn
parent 5ef3614e5f
commit d83c17deec
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
components/driver/uart.c
View File

@ -768,6 +768,7 @@ static void UART_ISR_ATTR uart_rx_intr_handler_default(void *param)
// Set RS485 RTS pin before transmission if the half duplex mode is enabled
if (UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)) {
UART_ENTER_CRITICAL_ISR(&(uart_context[uart_num].spinlock));
uart_hal_clr_intsts_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
uart_hal_set_rts(&(uart_context[uart_num].hal), 0);
uart_hal_ena_intr_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
UART_EXIT_CRITICAL_ISR(&(uart_context[uart_num].spinlock));
@ -1057,6 +1058,7 @@ int uart_tx_chars(uart_port_t uart_num, const char *buffer, uint32_t len)
xSemaphoreTake(p_uart_obj[uart_num]->tx_mux, (portTickType)portMAX_DELAY);
if (UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)) {
UART_ENTER_CRITICAL(&(uart_context[uart_num].spinlock));
uart_hal_clr_intsts_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
uart_hal_set_rts(&(uart_context[uart_num].hal), 0);
uart_hal_ena_intr_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));
@ -1102,6 +1104,7 @@ static int uart_tx_all(uart_port_t uart_num, const char *src, size_t size, bool
uint32_t sent = 0;
if (UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)) {
UART_ENTER_CRITICAL(&(uart_context[uart_num].spinlock));
uart_hal_clr_intsts_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
uart_hal_set_rts(&(uart_context[uart_num].hal), 0);
uart_hal_ena_intr_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));