216 lines
8.5 KiB
C
216 lines
8.5 KiB
C
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////////////////////////////////////////////////////////////////////////////////
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/// @file hal_pwr.c
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/// @author AE TEAM
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/// @brief THIS FILE PROVIDES ALL THE PWR FIRMWARE FUNCTIONS.
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////////////////////////////////////////////////////////////////////////////////
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/// @attention
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///
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/// THE EXISTING FIRMWARE IS ONLY FOR REFERENCE, WHICH IS DESIGNED TO PROVIDE
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/// CUSTOMERS WITH CODING INFORMATION ABOUT THEIR PRODUCTS SO THEY CAN SAVE
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/// TIME. THEREFORE, MINDMOTION SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT OR
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/// CONSEQUENTIAL DAMAGES ABOUT ANY CLAIMS ARISING OUT OF THE CONTENT OF SUCH
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/// HARDWARE AND/OR THE USE OF THE CODING INFORMATION CONTAINED HEREIN IN
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/// CONNECTION WITH PRODUCTS MADE BY CUSTOMERS.
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///
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/// <H2><CENTER>© COPYRIGHT MINDMOTION </CENTER></H2>
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////////////////////////////////////////////////////////////////////////////////
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// Define to prevent recursive inclusion
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#define __HAL_PWR_C_
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// Files includes
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#include "hal_pwr.h"
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#include "hal_rcc.h"
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#include "hal_syscfg.h"
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup MM32_Hardware_Abstract_Layer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup PWR_HAL
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup PWR_Exported_Functions
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Deinitializes the PWR peripheral registers to their default reset
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/// values.
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/// @param None.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_DeInit(void)
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{
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exRCC_APB1PeriphReset(RCC_APB1ENR_PWR);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enables or disables access to the RTC and backup registers.
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/// @param state: new state of the access to the RTC and backup
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/// registers. This parameter can be: ENABLE or DISABLE.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_BackupAccessCmd(FunctionalState state)
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{
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(state) ? (RCC->BDCR |= RCC_BDCR_DBP) : (RCC->BDCR &= ~RCC_BDCR_DBP);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enables or disables the Power Voltage Detector(PVD).
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/// @param state: new state of the PVD.
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/// This parameter can be: ENABLE or DISABLE.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_PVDCmd(FunctionalState state)
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{
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(state) ? (SYSCFG->PDETCSR |= SYSCFG_PDETCSR_PVDE) : (SYSCFG->PDETCSR &= ~SYSCFG_PDETCSR_PVDE);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Configures the voltage threshold detected by the Power Voltage
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/// Detector(PVD).
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/// @param pvd_level: specifies the PVD detection level
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/// This parameter can be one of the following values:
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/// @arg emPVD_LEVEL0 : PVD detection level set to 1.7V
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/// @arg emPVD_LEVEL1 : PVD detection level set to 2.0V
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/// @arg emPVD_LEVEL2 : PVD detection level set to 2.3V
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/// @arg emPVD_LEVEL3 : PVD detection level set to 2.6V
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/// @arg emPVD_LEVEL4 : PVD detection level set to 2.9V
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/// @arg emPVD_LEVEL5 : PVD detection level set to 3.2V
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/// @arg emPVD_LEVEL6 : PVD detection level set to 3.5V
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/// @arg emPVD_LEVEL7 : PVD detection level set to 3.8V
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/// @arg emPVD_LEVEL8 : PVD detection level set to 4.1V
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/// @arg emPVD_LEVEL9 : PVD detection level set to 4.4V
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/// @arg emPVD_LEVEL10: PVD detection level set to 4.7V
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_PVDLevelConfig(emPVD_Level_Typedef pvd_level)
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{
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SYSCFG->PDETCSR = (SYSCFG->PDETCSR & (~SYSCFG_PDETCSR_PLS)) | pvd_level;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enables or disables the WakeUp Pin functionality.
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/// @param state: new state of the WakeUp Pin functionality.
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/// This parameter can be: ENABLE or DISABLE.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_WakeUpPinCmd(FunctionalState state)
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{
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(state != DISABLE) ? (PWR->CR2 |= PWR_CR2_EWUP1) : (PWR->CSR &= ~PWR_CR2_EWUP1);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enables or disables the WakeUp Pin functionality.
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/// @param state: new state of the WakeUp Pin functionality.
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/// This parameter can be: ENABLE or DISABLE.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_WakeUpPinXCmd(emWUP_Pin_Typedef pin, FunctionalState state)
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{
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(state != DISABLE) ? (PWR->CR2 |= (PWR_CR2_EWUP1 << pin)) : (PWR->CSR &= ~(PWR_CR2_EWUP1 << pin));
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enters STOP mode.
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/// @param regulator: specifies the regulator state in STOP mode.
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/// This parameter can be one of the following values:
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/// @arg PWR_Regulator_ON: STOP mode with regulator ON
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/// @arg PWR_Regulator_LowPower: STOP mode with regulator in low power mode.
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/// @param stop_entry: specifies if STOP mode in entered with WFI or WFE
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/// instruction.
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/// This parameter can be one of the following values:
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/// @arg PWR_STOPEntry_WFI: enter STOP mode with WFI instruction
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/// @arg PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_EnterSTOPMode(emPWR_Reg_Stop_mode_Typedef regulator, emPWR_STOP_ModeEn_Typedef stop_entry)
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{
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MODIFY_REG(PWR->CR, PWR_CR_LDPS, regulator);
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SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
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if(stop_entry == PWR_STOPEntry_WFI) {
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__WFI();
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}
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else {
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__WFE();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Enters STANDBY mode.
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/// @param None.
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_EnterSTANDBYMode(void)
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{
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PWR->CR |= PWR_CR_PDDS;
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PWR->SCR |= PWR_SCR_CWUF1 | PWR_SCR_CWUF2 | PWR_SCR_CWUF3 | PWR_SCR_CWUF4 | PWR_SCR_CWUF5 | PWR_SCR_CWUF6;
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SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
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#if defined(__CC_ARM)
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__force_stores();
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#endif
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__WFI();
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Checks whether the specified PWR flag is set or not.
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/// @param flag: specifies the flag to check.
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/// This parameter can be one of the following values:
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/// @arg PWR_FLAG_WU: Wake Up flag
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/// @arg PWR_FLAG_SB: StandBy flag
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/// @arg PWR_FLAG_PVDO: PVD Output
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/// @retval The new state of PWR_FLAG (SET or RESET).
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////////////////////////////////////////////////////////////////////////////////
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FlagStatus PWR_GetPVDOFlagStatus(u32 flag)
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{
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return (FlagStatus)(SYSCFG->PDETCSR & flag);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Clears the PWR's pending flags.
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/// @param flag: specifies the flag to clear.
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/// This parameter can be one of the following values:
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/// @arg PWR_FLAG_WU: Wake Up flag
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/// @arg PWR_FLAG_SB: StandBy flag
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_ClearPVDOFlag(u32 flag)
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{
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PWR->CR |= flag << 2;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Checks whether the specified PWR flag is set or not.
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/// @param flag: specifies the flag to check.
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/// This parameter can be one of the following values:
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/// @arg PWR_FLAG_WU: Wake Up flag
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/// @arg PWR_FLAG_SB: StandBy flag
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/// @arg PWR_FLAG_PVDO: PVD Output
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/// @retval The new state of PWR_FLAG (SET or RESET).
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////////////////////////////////////////////////////////////////////////////////
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FlagStatus PWR_GetFlagStatus(u32 flag)
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{
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return (FlagStatus)(PWR->CSR & flag);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Clears the PWR's pending flags.
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/// @param flag: specifies the flag to clear.
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/// This parameter can be one of the following values:
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/// @arg PWR_FLAG_WU: Wake Up flag
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/// @arg PWR_FLAG_SB: StandBy flag
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void PWR_ClearFlag(u32 flag)
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{
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PWR->CR |= flag << 2;
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}
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/// @}
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/// @}
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/// @}
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