diff options
| author | Sunwancn <[email protected]> | 2021-02-24 21:11:27 +0800 |
|---|---|---|
| committer | Sunwancn <[email protected]> | 2021-02-24 21:11:27 +0800 |
| commit | e22f72293e816c4f49961a64b4c4b3ef5fcce84f (patch) | |
| tree | 103dbdf8b4fa80cc9f08e9edebb9850b915d5c60 | |
| parent | 2cbb9c53884a2837e9f78b5e92afa8671cb93438 (diff) | |
[drv_usart.c]修复stm32串口开启奇偶校验时字长设置错误
| -rw-r--r-- | bsp/stm32/libraries/HAL_Drivers/drv_usart.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_usart.c b/bsp/stm32/libraries/HAL_Drivers/drv_usart.c index 428efbe539..4b9efbd61f 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_usart.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_usart.c @@ -112,7 +112,10 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c switch (cfg->data_bits) { case DATA_BITS_8: - uart->handle.Init.WordLength = UART_WORDLENGTH_8B; + if (cfg->parity == PARITY_ODD || cfg->parity == PARITY_EVEN) + uart->handle.Init.WordLength = UART_WORDLENGTH_9B; + else + uart->handle.Init.WordLength = UART_WORDLENGTH_8B; break; case DATA_BITS_9: uart->handle.Init.WordLength = UART_WORDLENGTH_9B; |