From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c new file mode 100644 index 0000000..a34ac54 --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_swpmi.c @@ -0,0 +1,177 @@ +/** + ****************************************************************************** + * @file stm32h7xx_ll_swpmi.c + * @author MCD Application Team + * @brief SWPMI LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * 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. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_ll_swpmi.h" +#include "stm32h7xx_ll_bus.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32H7xx_LL_Driver + * @{ + */ + + +/** @addtogroup SWPMI_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup SWPMI_LL_Private_Macros + * @{ + */ + +#define IS_LL_SWPMI_BITRATE_VALUE(__VALUE__) (((__VALUE__) <= 255U)) + +#define IS_LL_SWPMI_SW_BUFFER_RX(__VALUE__) (((__VALUE__) == LL_SWPMI_SW_BUFFER_RX_SINGLE) \ + || ((__VALUE__) == LL_SWPMI_SW_BUFFER_RX_MULTI)) + +#define IS_LL_SWPMI_SW_BUFFER_TX(__VALUE__) (((__VALUE__) == LL_SWPMI_SW_BUFFER_TX_SINGLE) \ + || ((__VALUE__) == LL_SWPMI_SW_BUFFER_TX_MULTI)) + +#define IS_LL_SWPMI_VOLTAGE_CLASS(__VALUE__) (((__VALUE__) == LL_SWPMI_VOLTAGE_CLASS_C) \ + || ((__VALUE__) == LL_SWPMI_VOLTAGE_CLASS_B)) + +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup SWPMI_LL_Exported_Functions + * @{ + */ + +/** @addtogroup SWPMI_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the SWPMI peripheral registers to their default reset values. + * @param SWPMIx SWPMI Instance + * @retval An ErrorStatus enumeration value + * - SUCCESS: SWPMI registers are de-initialized + * - ERROR: Not applicable + */ +ErrorStatus LL_SWPMI_DeInit(SWPMI_TypeDef *SWPMIx) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameter */ + assert_param(IS_SWPMI_INSTANCE(SWPMIx)); + + if (SWPMIx == SWPMI1) + { + LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_SWPMI1); + LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_SWPMI1); + } + else + { + status = ERROR; + } + + return status; +} + +/** + * @brief Initialize the SWPMI peripheral according to the specified parameters in the SWPMI_InitStruct. + * @note As some bits in SWPMI configuration registers can only be written when the SWPMI is deactivated + * (SWPMI_CR_SWPACT bit = 0), the SWPMI peripheral should be in deactivated state prior calling + * this function. Otherwise, ERROR result will be returned. + * @param SWPMIx SWPMI Instance + * @param SWPMI_InitStruct pointer to a @ref LL_SWPMI_InitTypeDef structure that contains + * the configuration information for the SWPMI peripheral. + * @retval An ErrorStatus enumeration value + * - SUCCESS: SWPMI registers are initialized + * - ERROR: SWPMI registers are not initialized + */ +ErrorStatus LL_SWPMI_Init(SWPMI_TypeDef *SWPMIx, LL_SWPMI_InitTypeDef *SWPMI_InitStruct) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameters */ + assert_param(IS_SWPMI_INSTANCE(SWPMIx)); + assert_param(IS_LL_SWPMI_BITRATE_VALUE(SWPMI_InitStruct->BitRatePrescaler)); + assert_param(IS_LL_SWPMI_SW_BUFFER_TX(SWPMI_InitStruct->TxBufferingMode)); + assert_param(IS_LL_SWPMI_SW_BUFFER_RX(SWPMI_InitStruct->RxBufferingMode)); + assert_param(IS_LL_SWPMI_VOLTAGE_CLASS(SWPMI_InitStruct->VoltageClass)); + + /* SWPMI needs to be in deactivated state, in order to be able to configure some bits */ + if (LL_SWPMI_IsActivated(SWPMIx) == 0U) + { + /* Configure the BRR register (Bitrate) */ + LL_SWPMI_SetBitRatePrescaler(SWPMIx, SWPMI_InitStruct->BitRatePrescaler); + + /* Configure the voltage class */ + LL_SWPMI_SetVoltageClass(SWPMIx, SWPMI_InitStruct->VoltageClass); + + /* Set the new configuration of the SWPMI peripheral */ + MODIFY_REG(SWPMIx->CR, + (SWPMI_CR_RXMODE | SWPMI_CR_TXMODE), + (SWPMI_InitStruct->TxBufferingMode | SWPMI_InitStruct->RxBufferingMode)); + } + /* Else (SWPMI not in deactivated state => return ERROR) */ + else + { + status = ERROR; + } + + return status; +} + +/** + * @brief Set each @ref LL_SWPMI_InitTypeDef field to default value. + * @param SWPMI_InitStruct pointer to a @ref LL_SWPMI_InitTypeDef structure that contains + * the configuration information for the SWPMI peripheral. + * @retval None + */ +void LL_SWPMI_StructInit(LL_SWPMI_InitTypeDef *SWPMI_InitStruct) +{ + /* Set SWPMI_InitStruct fields to default values */ + SWPMI_InitStruct->VoltageClass = LL_SWPMI_VOLTAGE_CLASS_C; + SWPMI_InitStruct->BitRatePrescaler = (uint32_t)0x00000001; + SWPMI_InitStruct->TxBufferingMode = LL_SWPMI_SW_BUFFER_TX_SINGLE; + SWPMI_InitStruct->RxBufferingMode = LL_SWPMI_SW_BUFFER_RX_SINGLE; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ -- cgit v1.2.3