[HAL][USART] Add a check on the USART parity before enabling the parity error interrupt
diff --git a/Src/stm32f1xx_hal_usart.c b/Src/stm32f1xx_hal_usart.c index 9e9b788..d0311dd 100644 --- a/Src/stm32f1xx_hal_usart.c +++ b/Src/stm32f1xx_hal_usart.c
@@ -1144,8 +1144,16 @@ /* Process Unlocked */ __HAL_UNLOCK(husart); - /* Enable the USART Parity Error and Data Register not empty Interrupts */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE); + if (husart->Init.Parity != USART_PARITY_NONE) + { + /* Enable the USART Parity Error and Data Register not empty Interrupts */ + SET_BIT(husart->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE); + } + else + { + /* Enable the USART Data Register not empty Interrupts */ + SET_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); + } /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ SET_BIT(husart->Instance->CR3, USART_CR3_EIE); @@ -1200,8 +1208,11 @@ /* Enable the USART Data Register not empty Interrupt */ SET_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + if (husart->Init.Parity != USART_PARITY_NONE) + { + /* Enable the USART Parity Error Interrupt */ + SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + } /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ SET_BIT(husart->Instance->CR3, USART_CR3_EIE); @@ -1355,8 +1366,11 @@ /* Process Unlocked */ __HAL_UNLOCK(husart); - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + if (husart->Init.Parity != USART_PARITY_NONE) + { + /* Enable the USART Parity Error Interrupt */ + SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + } /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ SET_BIT(husart->Instance->CR3, USART_CR3_EIE); @@ -1449,8 +1463,11 @@ /* Process Unlocked */ __HAL_UNLOCK(husart); - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + if (husart->Init.Parity != USART_PARITY_NONE) + { + /* Enable the USART Parity Error Interrupt */ + SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); + } /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ SET_BIT(husart->Instance->CR3, USART_CR3_EIE);