/********************************** (C) COPYRIGHT ******************************* * File Name : ch32x035_rcc.h * Author : WCH * Version : V1.0.0 * Date : 2023/04/06 * Description : This file provides all the RCC firmware functions. ********************************************************************************* * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Attention: This software (modified or not) and binary are used for * microcontroller manufactured by Nanjing Qinheng Microelectronics. *******************************************************************************/ #ifndef __CH32X035_RCC_H #define __CH32X035_RCC_H #ifdef __cplusplus extern "C" { #endif #include "ch32x035.h" /* RCC_Exported_Types */ typedef struct { uint32_t SYSCLK_Frequency; /* returns SYSCLK clock frequency expressed in Hz */ uint32_t HCLK_Frequency; /* returns HCLK clock frequency expressed in Hz */ uint32_t PCLK1_Frequency; /* returns PCLK1 clock frequency expressed in Hz */ uint32_t PCLK2_Frequency; /* returns PCLK2 clock frequency expressed in Hz */ } RCC_ClocksTypeDef; /* AHB_clock_source */ #define RCC_SYSCLK_Div1 ((uint32_t)0x00000000) #define RCC_SYSCLK_Div2 ((uint32_t)0x00000010) #define RCC_SYSCLK_Div3 ((uint32_t)0x00000020) #define RCC_SYSCLK_Div4 ((uint32_t)0x00000030) #define RCC_SYSCLK_Div5 ((uint32_t)0x00000040) #define RCC_SYSCLK_Div6 ((uint32_t)0x00000050) #define RCC_SYSCLK_Div7 ((uint32_t)0x00000060) #define RCC_SYSCLK_Div8 ((uint32_t)0x00000070) #define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0) #define RCC_SYSCLK_Div32 ((uint32_t)0x000000C0) #define RCC_SYSCLK_Div64 ((uint32_t)0x000000D0) #define RCC_SYSCLK_Div128 ((uint32_t)0x000000E0) #define RCC_SYSCLK_Div256 ((uint32_t)0x000000F0) /* AHB_peripheral */ #define RCC_AHBPeriph_DMA1 ((uint32_t)0x00000001) #define RCC_AHBPeriph_SRAM ((uint32_t)0x00000004) #define RCC_AHBPeriph_USBFS ((uint32_t)0x00001000) #define RCC_AHBPeriph_IO2W ((uint32_t)0x00002000) #define RCC_AHBPeriph_USBPD ((uint32_t)0x00020000) /* APB2_peripheral */ #define RCC_APB2Periph_AFIO ((uint32_t)0x00000001) #define RCC_APB2Periph_GPIOA ((uint32_t)0x00000004) #define RCC_APB2Periph_GPIOB ((uint32_t)0x00000008) #define RCC_APB2Periph_GPIOC ((uint32_t)0x00000010) #define RCC_APB2Periph_ADC1 ((uint32_t)0x00000200) #define RCC_APB2Periph_TIM1 ((uint32_t)0x00000800) #define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000) #define RCC_APB2Periph_USART1 ((uint32_t)0x00004000) /* APB1_peripheral */ #define RCC_APB1Periph_TIM2 ((uint32_t)0x00000001) #define RCC_APB1Periph_TIM3 ((uint32_t)0x00000002) #define RCC_APB1Periph_WWDG ((uint32_t)0x00000800) #define RCC_APB1Periph_USART2 ((uint32_t)0x00020000) #define RCC_APB1Periph_USART3 ((uint32_t)0x00040000) #define RCC_APB1Periph_USART4 ((uint32_t)0x00080000) #define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000) #define RCC_APB1Periph_PWR ((uint32_t)0x10000000) /* Clock_source_to_output_on_MCO_pin */ #define RCC_MCO_NoClock ((uint8_t)0x00) #define RCC_MCO_SYSCLK ((uint8_t)0x04) #define RCC_MCO_HSI ((uint8_t)0x05) /* RCC_Flag */ #define RCC_FLAG_HSIRDY ((uint8_t)0x21) #define RCC_FLAG_OPARST ((uint8_t)0x79) #define RCC_FLAG_PINRST ((uint8_t)0x7A) #define RCC_FLAG_PORRST ((uint8_t)0x7B) #define RCC_FLAG_SFTRST ((uint8_t)0x7C) #define RCC_FLAG_IWDGRST ((uint8_t)0x7D) #define RCC_FLAG_WWDGRST ((uint8_t)0x7E) #define RCC_FLAG_LPWRRST ((uint8_t)0x7F) /* SysTick_clock_source */ #define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB) #define SysTick_CLKSource_HCLK ((uint32_t)0x00000004) void RCC_DeInit(void); void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue); void RCC_HSICmd(FunctionalState NewState); void RCC_HCLKConfig(uint32_t RCC_SYSCLK); void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks); void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState); void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState); void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState); void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState); void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState); void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState); void RCC_MCOConfig(uint8_t RCC_MCO); FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG); void RCC_ClearFlag(void); #ifdef __cplusplus } #endif #endif