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uart: critical section compliant API in ISR context

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Mahavir Jain
2019-11-14 11:44:21 +05:30
parent d0a37704a3
commit ecf09382da
1 changed files with 2 additions and 2 deletions
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4
components/driver/uart.c
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@@ -413,7 +413,7 @@ static esp_err_t UART_ISR_ATTR uart_pattern_enqueue(uart_port_t uart_num, int po
{ {
UART_CHECK((p_uart_obj[uart_num]), "uart driver error", ESP_FAIL); UART_CHECK((p_uart_obj[uart_num]), "uart driver error", ESP_FAIL);
esp_err_t ret = ESP_OK; esp_err_t ret = ESP_OK;
UART_ENTER_CRITICAL(&uart_spinlock[uart_num]); UART_ENTER_CRITICAL_ISR(&uart_spinlock[uart_num]);
uart_pat_rb_t *p_pos = &p_uart_obj[uart_num]->rx_pattern_pos; uart_pat_rb_t *p_pos = &p_uart_obj[uart_num]->rx_pattern_pos;
int next = p_pos->wr + 1; int next = p_pos->wr + 1;
if (next >= p_pos->len) { if (next >= p_pos->len) {
@@ -427,7 +427,7 @@ static esp_err_t UART_ISR_ATTR uart_pattern_enqueue(uart_port_t uart_num, int po
p_pos->wr = next; p_pos->wr = next;
ret = ESP_OK; ret = ESP_OK;
} }
UART_EXIT_CRITICAL(&uart_spinlock[uart_num]); UART_EXIT_CRITICAL_ISR(&uart_spinlock[uart_num]);
return ret; return ret;
} }