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fix(uart): fix ESP32-S3 uart2 is_ enabled check error

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(Closes https://github.com/espressif/esp-idf/issues/18690)
This commit is contained in:
gaoxu
2026-06-05 15:33:45 +08:00
parent c73c20a61f
commit ca35f840ec
1 changed files with 13 additions and 8 deletions
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21
components/esp_hal_uart/esp32s3/include/hal/uart_ll.h
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@@ -76,14 +76,19 @@ typedef enum {
*/
FORCE_INLINE_ATTR bool uart_ll_is_enabled(uint32_t uart_num)
{
uint32_t uart_rst_bit = ((uart_num == 0) ? SYSTEM_UART_RST :
(uart_num == 1) ? SYSTEM_UART1_RST :
(uart_num == 2) ? SYSTEM_UART2_RST : 0);
uint32_t uart_en_bit = ((uart_num == 0) ? SYSTEM_UART_CLK_EN :
(uart_num == 1) ? SYSTEM_UART1_CLK_EN :
(uart_num == 2) ? SYSTEM_UART2_CLK_EN : 0);
return DPORT_REG_GET_BIT(SYSTEM_PERIP_RST_EN0_REG, uart_rst_bit) == 0 &&
DPORT_REG_GET_BIT(SYSTEM_PERIP_CLK_EN0_REG, uart_en_bit) != 0;
switch (uart_num) {
case 0:
return DPORT_REG_GET_BIT(SYSTEM_PERIP_RST_EN0_REG, SYSTEM_UART_RST) == 0 &&
DPORT_REG_GET_BIT(SYSTEM_PERIP_CLK_EN0_REG, SYSTEM_UART_CLK_EN) != 0;
case 1:
return DPORT_REG_GET_BIT(SYSTEM_PERIP_RST_EN0_REG, SYSTEM_UART1_RST) == 0 &&
DPORT_REG_GET_BIT(SYSTEM_PERIP_CLK_EN0_REG, SYSTEM_UART1_CLK_EN) != 0;
case 2:
return DPORT_REG_GET_BIT(SYSTEM_PERIP_RST_EN1_REG, SYSTEM_UART2_RST) == 0 &&
DPORT_REG_GET_BIT(SYSTEM_PERIP_CLK_EN1_REG, SYSTEM_UART2_CLK_EN) != 0;
default:
abort();
}
}
/**