diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c index 2f2c02e9d9..79c9fad22e 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_lpuart.c @@ -6,13 +6,12 @@ ****************************************************************************** * @attention * - * <h2><center>© Copyright (c) 2017 STMicroelectronics. - * All rights reserved.</center></h2> + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. * - * This software component is licensed by ST under BSD 3-Clause license, - * the "License"; You may not use this file except in compliance with the - * License. You may obtain a copy of the License at: - * opensource.org/licenses/BSD-3-Clause + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ @@ -45,6 +44,9 @@ * @{ */ +/* Definition of default baudrate value used for LPUART initialisation */ +#define LPUART_DEFAULT_BAUDRATE (9600U) + /** * @} */ @@ -127,7 +129,7 @@ * - SUCCESS: LPUART registers are de-initialized * - ERROR: not applicable */ -ErrorStatus LL_LPUART_DeInit(USART_TypeDef *LPUARTx) +ErrorStatus LL_LPUART_DeInit(const USART_TypeDef *LPUARTx) { ErrorStatus status = SUCCESS; @@ -153,8 +155,10 @@ ErrorStatus LL_LPUART_DeInit(USART_TypeDef *LPUARTx) /** * @brief Initialize LPUART registers according to the specified * parameters in LPUART_InitStruct. - * @note As some bits in LPUART configuration registers can only be written when the LPUART is disabled (USART_CR1_UE bit =0), - * LPUART Peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned. + * @note As some bits in LPUART configuration registers can only be written when + * the LPUART is disabled (USART_CR1_UE bit =0), + * LPUART Peripheral should be in disabled state prior calling this function. + * Otherwise, ERROR result will be returned. * @note Baud rate value stored in LPUART_InitStruct BaudRate field, should be valid (different from 0). * @param LPUARTx LPUART Instance * @param LPUART_InitStruct pointer to a @ref LL_LPUART_InitTypeDef structure @@ -163,7 +167,7 @@ ErrorStatus LL_LPUART_DeInit(USART_TypeDef *LPUARTx) * - SUCCESS: LPUART registers are initialized according to LPUART_InitStruct content * - ERROR: Problem occurred during LPUART Registers initialization */ -ErrorStatus LL_LPUART_Init(USART_TypeDef *LPUARTx, LL_LPUART_InitTypeDef *LPUART_InitStruct) +ErrorStatus LL_LPUART_Init(USART_TypeDef *LPUARTx, const LL_LPUART_InitTypeDef *LPUART_InitStruct) { ErrorStatus status = ERROR; uint32_t periphclk; @@ -200,7 +204,8 @@ ErrorStatus LL_LPUART_Init(USART_TypeDef *LPUARTx, LL_LPUART_InitTypeDef *LPUART /*---------------------------- LPUART CR3 Configuration ----------------------- * Configure LPUARTx CR3 (Hardware Flow Control) with parameters: - * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to LPUART_InitStruct->HardwareFlowControl value. + * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according + * to LPUART_InitStruct->HardwareFlowControl value. */ LL_LPUART_SetHWFlowCtrl(LPUARTx, LPUART_InitStruct->HardwareFlowControl); @@ -251,7 +256,7 @@ void LL_LPUART_StructInit(LL_LPUART_InitTypeDef *LPUART_InitStruct) { /* Set LPUART_InitStruct fields to default values */ LPUART_InitStruct->PrescalerValue = LL_LPUART_PRESCALER_DIV1; - LPUART_InitStruct->BaudRate = 9600U; + LPUART_InitStruct->BaudRate = LPUART_DEFAULT_BAUDRATE; LPUART_InitStruct->DataWidth = LL_LPUART_DATAWIDTH_8B; LPUART_InitStruct->StopBits = LL_LPUART_STOPBITS_1; LPUART_InitStruct->Parity = LL_LPUART_PARITY_NONE ; @@ -271,13 +276,10 @@ void LL_LPUART_StructInit(LL_LPUART_InitTypeDef *LPUART_InitStruct) * @} */ -#endif /* defined (LPUART1) */ +#endif /* LPUART1 */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ - |