Mercurial > public > ostc4
diff Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_lptim.c @ 128:c78bcbd5deda FlipDisplay
Added current STM32 standandard libraries in version independend folder structure
author | Ideenmodellierer |
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date | Sun, 17 Feb 2019 21:12:22 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_lptim.c Sun Feb 17 21:12:22 2019 +0100 @@ -0,0 +1,210 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_lptim.c + * @author MCD Application Team + * @brief LPTIM LL module driver. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_lptim.h" +#include "stm32f4xx_ll_bus.h" + +#ifdef USE_FULL_ASSERT + #include "stm32_assert.h" +#else + #define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (LPTIM1) || defined (LPTIM2) + +/** @addtogroup LPTIM_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup LPTIM_LL_Private_Macros + * @{ + */ +#define IS_LPTIM_CLOCK_SOURCE(__VALUE__) (((__VALUE__) == LL_LPTIM_CLK_SOURCE_INTERNAL) \ + || ((__VALUE__) == LL_LPTIM_CLK_SOURCE_EXTERNAL)) + +#define IS_LPTIM_CLOCK_PRESCALER(__VALUE__) (((__VALUE__) == LL_LPTIM_PRESCALER_DIV1) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV2) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV4) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV8) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV16) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV32) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV64) \ + || ((__VALUE__) == LL_LPTIM_PRESCALER_DIV128)) + +#define IS_LPTIM_WAVEFORM(__VALUE__) (((__VALUE__) == LL_LPTIM_OUTPUT_WAVEFORM_PWM) \ + || ((__VALUE__) == LL_LPTIM_OUTPUT_WAVEFORM_SETONCE)) + +#define IS_LPTIM_OUTPUT_POLARITY(__VALUE__) (((__VALUE__) == LL_LPTIM_OUTPUT_POLARITY_REGULAR) \ + || ((__VALUE__) == LL_LPTIM_OUTPUT_POLARITY_INVERSE)) +/** + * @} + */ + + +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup LPTIM_LL_Exported_Functions + * @{ + */ + +/** @addtogroup LPTIM_LL_EF_Init + * @{ + */ + +/** + * @brief Set LPTIMx registers to their reset values. + * @param LPTIMx LP Timer instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: LPTIMx registers are de-initialized + * - ERROR: invalid LPTIMx instance + */ +ErrorStatus LL_LPTIM_DeInit(LPTIM_TypeDef* LPTIMx) +{ + ErrorStatus result = SUCCESS; + + /* Check the parameters */ + assert_param(IS_LPTIM_INSTANCE(LPTIMx)); + + if (LPTIMx == LPTIM1) + { + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_LPTIM1); + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_LPTIM1); + } +#if defined(LPTIM2) + else if (LPTIMx == LPTIM2) + { + LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_LPTIM2); + LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_LPTIM2); + } +#endif + else + { + result = ERROR; + } + + return result; +} + +/** + * @brief Set each fields of the LPTIM_InitStruct structure to its default + * value. + * @param LPTIM_InitStruct pointer to a @ref LL_LPTIM_InitTypeDef structure + * @retval None + */ +void LL_LPTIM_StructInit(LL_LPTIM_InitTypeDef* LPTIM_InitStruct) +{ + /* Set the default configuration */ + LPTIM_InitStruct->ClockSource = LL_LPTIM_CLK_SOURCE_INTERNAL; + LPTIM_InitStruct->Prescaler = LL_LPTIM_PRESCALER_DIV1; + LPTIM_InitStruct->Waveform = LL_LPTIM_OUTPUT_WAVEFORM_PWM; + LPTIM_InitStruct->Polarity = LL_LPTIM_OUTPUT_POLARITY_REGULAR; +} + +/** + * @brief Configure the LPTIMx peripheral according to the specified parameters. + * @note LL_LPTIM_Init can only be called when the LPTIM instance is disabled. + * @note LPTIMx can be disabled using unitary function @ref LL_LPTIM_Disable(). + * @param LPTIMx LP Timer Instance + * @param LPTIM_InitStruct pointer to a @ref LL_LPTIM_InitTypeDef structure + * @retval An ErrorStatus enumeration value: + * - SUCCESS: LPTIMx instance has been initialized + * - ERROR: LPTIMx instance hasn't been initialized + */ +ErrorStatus LL_LPTIM_Init(LPTIM_TypeDef * LPTIMx, LL_LPTIM_InitTypeDef* LPTIM_InitStruct) +{ + ErrorStatus result = SUCCESS; + + /* The LPTIMx_CFGR register must only be modified when the LPTIM is disabled + (ENABLE bit is reset to 0). + */ + if (LL_LPTIM_IsEnabled(LPTIMx)) + { + result = ERROR; + } + else + { + /* Check the parameters */ + assert_param(IS_LPTIM_INSTANCE(LPTIMx)); + assert_param(IS_LPTIM_CLOCK_SOURCE(LPTIM_InitStruct->ClockSource)); + assert_param(IS_LPTIM_CLOCK_PRESCALER(LPTIM_InitStruct->Prescaler)); + assert_param(IS_LPTIM_WAVEFORM(LPTIM_InitStruct->Waveform)); + assert_param(IS_LPTIM_OUTPUT_POLARITY(LPTIM_InitStruct->Polarity)); + + /* Set CKSEL bitfield according to ClockSource value */ + /* Set PRESC bitfield according to Prescaler value */ + /* Set WAVE bitfield according to Waveform value */ + /* Set WAVEPOL bitfield according to Polarity value */ + MODIFY_REG(LPTIMx->CFGR, + (LPTIM_CFGR_CKSEL | LPTIM_CFGR_PRESC | LPTIM_CFGR_WAVE| LPTIM_CFGR_WAVPOL), + LPTIM_InitStruct->ClockSource | \ + LPTIM_InitStruct->Prescaler | \ + LPTIM_InitStruct->Waveform | \ + LPTIM_InitStruct->Polarity); + } + + return result; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined (LPTIM1) || defined (LPTIM2) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/