1 /********************************** (C) COPYRIGHT ******************************* 2 * File Name : ch32f20x_pwr.h 3 * Author : WCH 4 * Version : V1.0.0 5 * Date : 2021/08/08 6 * Description : This file contains all the functions prototypes for the PWR 7 * firmware library. 8 *******************************************************************************/ 9 #ifndef __CH32F20x_PWR_H 10 #define __CH32F20x_PWR_H 11 12 #ifdef __cplusplus 13 extern "C" { 14 #endif 15 16 #include "ch32f20x.h" 17 18 /* PVD_detection_level */ 19 #define PWR_PVDLevel_2V2 ((uint32_t)0x00000000) 20 #define PWR_PVDLevel_2V3 ((uint32_t)0x00000020) 21 #define PWR_PVDLevel_2V4 ((uint32_t)0x00000040) 22 #define PWR_PVDLevel_2V5 ((uint32_t)0x00000060) 23 #define PWR_PVDLevel_2V6 ((uint32_t)0x00000080) 24 #define PWR_PVDLevel_2V7 ((uint32_t)0x000000A0) 25 #define PWR_PVDLevel_2V8 ((uint32_t)0x000000C0) 26 #define PWR_PVDLevel_2V9 ((uint32_t)0x000000E0) 27 28 /* Regulator_state_is_STOP_mode */ 29 #define PWR_Regulator_ON ((uint32_t)0x00000000) 30 #define PWR_Regulator_LowPower ((uint32_t)0x00000001) 31 32 /* STOP_mode_entry */ 33 #define PWR_STOPEntry_WFI ((uint8_t)0x01) 34 #define PWR_STOPEntry_WFE ((uint8_t)0x02) 35 36 /* PWR_Flag */ 37 #define PWR_FLAG_WU ((uint32_t)0x00000001) 38 #define PWR_FLAG_SB ((uint32_t)0x00000002) 39 #define PWR_FLAG_PVDO ((uint32_t)0x00000004) 40 41 42 void PWR_DeInit(void); 43 void PWR_BackupAccessCmd(FunctionalState NewState); 44 void PWR_PVDCmd(FunctionalState NewState); 45 void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel); 46 void PWR_WakeUpPinCmd(FunctionalState NewState); 47 void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry); 48 void PWR_EnterSTANDBYMode(void); 49 FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG); 50 void PWR_ClearFlag(uint32_t PWR_FLAG); 51 void PWR_EnterSTOPMode_RAM(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry); 52 void PWR_EnterSTOPMode_RAM_LV(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry); 53 void PWR_EnterSTANDBYMode_RAM(void); 54 void PWR_EnterSTANDBYMode_RAM_LV(void); 55 56 57 #ifdef __cplusplus 58 } 59 #endif 60 61 #endif 62 63