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Merge branch 'buffix/uart_frm_err_parity_err_mismatch' into 'master'

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bugfix: uart event mismatch

Fix bug of uart frame error and parity error interrupt mismatch in driver code, which will cause the corresponding interrupt can not be cleared correctly, and will finally cause a interrupt watch dog.

See merge request !335
This commit is contained in:
Wang Jia Lin 2016-12-29 13:15:48 +08:00
parent c1370c5561 794f7dd294
commit 8bcd341fca
1 changed files with 4 additions and 2 deletions
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6
components/driver/uart.c
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@ -387,6 +387,7 @@ esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int r
if(rx_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[rx_io_num], PIN_FUNC_GPIO);
gpio_set_pull_mode(rx_io_num, GPIO_PULLUP_ONLY);
gpio_set_direction(rx_io_num, GPIO_MODE_INPUT);
gpio_matrix_in(rx_io_num, rx_sig, 0);
}
@ -397,6 +398,7 @@ esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int r
}
if(cts_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[cts_io_num], PIN_FUNC_GPIO);
gpio_set_pull_mode(cts_io_num, GPIO_PULLUP_ONLY);
gpio_set_direction(cts_io_num, GPIO_MODE_INPUT);
gpio_matrix_in(cts_io_num, cts_sig, 0);
}
@ -639,10 +641,10 @@ static void IRAM_ATTR uart_rx_intr_handler_default(void *param)
uart_reg->int_clr.brk_det = 1;
uart_event.type = UART_BREAK;
} else if(uart_intr_status & UART_FRM_ERR_INT_ST_M) {
uart_reg->int_clr.parity_err = 1;
uart_reg->int_clr.frm_err = 1;
uart_event.type = UART_FRAME_ERR;
} else if(uart_intr_status & UART_PARITY_ERR_INT_ST_M) {
uart_reg->int_clr.frm_err = 1;
uart_reg->int_clr.parity_err = 1;
uart_event.type = UART_PARITY_ERR;
} else if(uart_intr_status & UART_TX_BRK_DONE_INT_ST_M) {
UART_ENTER_CRITICAL_ISR(&uart_spinlock[uart_num]);