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