256 lines
12 KiB
C
256 lines
12 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_rcc.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file provides all the RCC firmware functions.
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*******************************************************************************/
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#ifndef __CH32V20x_RCC_H
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#define __CH32V20x_RCC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v20x.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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uint32_t ADCCLK_Frequency; /* returns ADCCLK clock frequency expressed in Hz */
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} RCC_ClocksTypeDef;
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/* HSE_configuration */
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#define RCC_HSE_OFF ((uint32_t)0x00000000)
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#define RCC_HSE_ON ((uint32_t)0x00010000)
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#define RCC_HSE_Bypass ((uint32_t)0x00040000)
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/* PLL_entry_clock_source */
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#define RCC_PLLSource_HSI_Div2 ((uint32_t)0x00000000)
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#define RCC_PLLSource_HSE_Div1 ((uint32_t)0x00010000)
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#define RCC_PLLSource_HSE_Div2 ((uint32_t)0x00030000)
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/* PLL_multiplication_factor for other CH32V20x */
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#define RCC_PLLMul_2 ((uint32_t)0x00000000)
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#define RCC_PLLMul_3 ((uint32_t)0x00040000)
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#define RCC_PLLMul_4 ((uint32_t)0x00080000)
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#define RCC_PLLMul_5 ((uint32_t)0x000C0000)
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#define RCC_PLLMul_6 ((uint32_t)0x00100000)
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#define RCC_PLLMul_7 ((uint32_t)0x00140000)
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#define RCC_PLLMul_8 ((uint32_t)0x00180000)
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#define RCC_PLLMul_9 ((uint32_t)0x001C0000)
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#define RCC_PLLMul_10 ((uint32_t)0x00200000)
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#define RCC_PLLMul_11 ((uint32_t)0x00240000)
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#define RCC_PLLMul_12 ((uint32_t)0x00280000)
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#define RCC_PLLMul_13 ((uint32_t)0x002C0000)
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#define RCC_PLLMul_14 ((uint32_t)0x00300000)
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#define RCC_PLLMul_15 ((uint32_t)0x00340000)
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#define RCC_PLLMul_16 ((uint32_t)0x00380000)
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#define RCC_PLLMul_18 ((uint32_t)0x003C0000)
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/* System_clock_source */
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#define RCC_SYSCLKSource_HSI ((uint32_t)0x00000000)
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#define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001)
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#define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002)
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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)0x00000080)
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#define RCC_SYSCLK_Div4 ((uint32_t)0x00000090)
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#define RCC_SYSCLK_Div8 ((uint32_t)0x000000A0)
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#define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0)
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#define RCC_SYSCLK_Div64 ((uint32_t)0x000000C0)
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#define RCC_SYSCLK_Div128 ((uint32_t)0x000000D0)
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#define RCC_SYSCLK_Div256 ((uint32_t)0x000000E0)
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#define RCC_SYSCLK_Div512 ((uint32_t)0x000000F0)
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/* APB1_APB2_clock_source */
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#define RCC_HCLK_Div1 ((uint32_t)0x00000000)
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#define RCC_HCLK_Div2 ((uint32_t)0x00000400)
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#define RCC_HCLK_Div4 ((uint32_t)0x00000500)
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#define RCC_HCLK_Div8 ((uint32_t)0x00000600)
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#define RCC_HCLK_Div16 ((uint32_t)0x00000700)
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/* RCC_Interrupt_source */
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#define RCC_IT_LSIRDY ((uint8_t)0x01)
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#define RCC_IT_LSERDY ((uint8_t)0x02)
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#define RCC_IT_HSIRDY ((uint8_t)0x04)
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#define RCC_IT_HSERDY ((uint8_t)0x08)
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#define RCC_IT_PLLRDY ((uint8_t)0x10)
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#define RCC_IT_CSS ((uint8_t)0x80)
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/* USB_Device_clock_source */
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#define RCC_USBCLKSource_PLLCLK_Div1 ((uint8_t)0x00)
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#define RCC_USBCLKSource_PLLCLK_Div2 ((uint8_t)0x01)
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#define RCC_USBCLKSource_PLLCLK_Div3 ((uint8_t)0x02)
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#ifdef CH32V20x_D8W
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#define RCC_USBCLKSource_PLLCLK_Div5 ((uint8_t)0x03)
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#endif
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/* ADC_clock_source */
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#define RCC_PCLK2_Div2 ((uint32_t)0x00000000)
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#define RCC_PCLK2_Div4 ((uint32_t)0x00004000)
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#define RCC_PCLK2_Div6 ((uint32_t)0x00008000)
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#define RCC_PCLK2_Div8 ((uint32_t)0x0000C000)
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/* LSE_configuration */
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#define RCC_LSE_OFF ((uint8_t)0x00)
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#define RCC_LSE_ON ((uint8_t)0x01)
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#define RCC_LSE_Bypass ((uint8_t)0x04)
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/* RTC_clock_source */
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#define RCC_RTCCLKSource_LSE ((uint32_t)0x00000100)
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#define RCC_RTCCLKSource_LSI ((uint32_t)0x00000200)
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#define RCC_RTCCLKSource_HSE_Div128 ((uint32_t)0x00000300)
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/* AHB_peripheral */
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#define RCC_AHBPeriph_DMA1 ((uint32_t)0x00000001)
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#define RCC_AHBPeriph_DMA2 ((uint32_t)0x00000002)
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#define RCC_AHBPeriph_SRAM ((uint32_t)0x00000004)
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#define RCC_AHBPeriph_CRC ((uint32_t)0x00000040)
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#define RCC_AHBPeriph_FSMC ((uint32_t)0x00000100)
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#define RCC_AHBPeriph_RNG ((uint32_t)0x00000200)
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#define RCC_AHBPeriph_SDIO ((uint32_t)0x00000400)
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#define RCC_AHBPeriph_USBHS ((uint32_t)0x00000800)
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#define RCC_AHBPeriph_OTG_FS ((uint32_t)0x00001000)
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#ifdef CH32V20x_D8W
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#define RCC_AHBPeriph_BLE_CRC ((uint32_t)0x00030040)
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#endif
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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_GPIOD ((uint32_t)0x00000020)
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#define RCC_APB2Periph_GPIOE ((uint32_t)0x00000040)
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#define RCC_APB2Periph_ADC1 ((uint32_t)0x00000200)
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#define RCC_APB2Periph_ADC2 ((uint32_t)0x00000400)
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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_TIM8 ((uint32_t)0x00002000)
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#define RCC_APB2Periph_USART1 ((uint32_t)0x00004000)
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#define RCC_APB2Periph_TIM9 ((uint32_t)0x00080000)
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#define RCC_APB2Periph_TIM10 ((uint32_t)0x00100000)
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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_TIM4 ((uint32_t)0x00000004)
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#define RCC_APB1Periph_TIM5 ((uint32_t)0x00000008)
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#define RCC_APB1Periph_TIM6 ((uint32_t)0x00000010)
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#define RCC_APB1Periph_TIM7 ((uint32_t)0x00000020)
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#define RCC_APB1Periph_UART6 ((uint32_t)0x00000040)
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#define RCC_APB1Periph_UART7 ((uint32_t)0x00000080)
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#define RCC_APB1Periph_UART8 ((uint32_t)0x00000100)
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#define RCC_APB1Periph_WWDG ((uint32_t)0x00000800)
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#define RCC_APB1Periph_SPI2 ((uint32_t)0x00004000)
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#define RCC_APB1Periph_SPI3 ((uint32_t)0x00008000)
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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_UART4 ((uint32_t)0x00080000)
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#define RCC_APB1Periph_UART5 ((uint32_t)0x00100000)
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#define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000)
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#define RCC_APB1Periph_I2C2 ((uint32_t)0x00400000)
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#define RCC_APB1Periph_USB ((uint32_t)0x00800000)
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#define RCC_APB1Periph_CAN1 ((uint32_t)0x02000000)
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#define RCC_APB1Periph_CAN2 ((uint32_t)0x04000000)
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#define RCC_APB1Periph_BKP ((uint32_t)0x08000000)
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#define RCC_APB1Periph_PWR ((uint32_t)0x10000000)
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#define RCC_APB1Periph_DAC ((uint32_t)0x20000000)
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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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#define RCC_MCO_HSE ((uint8_t)0x06)
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#define RCC_MCO_PLLCLK_Div2 ((uint8_t)0x07)
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/* RCC_Flag */
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#define RCC_FLAG_HSIRDY ((uint8_t)0x21)
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#define RCC_FLAG_HSERDY ((uint8_t)0x31)
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#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
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#define RCC_FLAG_LSERDY ((uint8_t)0x41)
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#define RCC_FLAG_LSIRDY ((uint8_t)0x61)
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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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/* USBFS_clock_source */
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#define RCC_USBPLL_Div1 ((uint32_t)0x00)
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#define RCC_USBPLL_Div2 ((uint32_t)0x01)
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#define RCC_USBPLL_Div3 ((uint32_t)0x02)
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#define RCC_USBPLL_Div4 ((uint32_t)0x03)
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#define RCC_USBPLL_Div5 ((uint32_t)0x04)
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#define RCC_USBPLL_Div6 ((uint32_t)0x05)
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#define RCC_USBPLL_Div7 ((uint32_t)0x06)
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#define RCC_USBPLL_Div8 ((uint32_t)0x07)
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/* ETH_clock_source */
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#if defined(CH32V20x_D8) || defined(CH32V20x_D8W)
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#define RCC_ETHCLK_Div1 ((uint32_t)0x00)
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#define RCC_ETHCLK_Div2 ((uint32_t)0x01)
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#endif
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void RCC_DeInit(void);
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void RCC_HSEConfig(uint32_t RCC_HSE);
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ErrorStatus RCC_WaitForHSEStartUp(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_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul);
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void RCC_PLLCmd(FunctionalState NewState);
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void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
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uint8_t RCC_GetSYSCLKSource(void);
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void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
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void RCC_PCLK1Config(uint32_t RCC_HCLK);
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void RCC_PCLK2Config(uint32_t RCC_HCLK);
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void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
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void RCC_USBCLKConfig(uint32_t RCC_USBCLKSource);
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void RCC_ADCCLKConfig(uint32_t RCC_PCLK2);
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void RCC_LSEConfig(uint8_t RCC_LSE);
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void RCC_LSICmd(FunctionalState NewState);
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void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource);
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void RCC_RTCCLKCmd(FunctionalState NewState);
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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_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_BackupResetCmd(FunctionalState NewState);
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void RCC_ClockSecuritySystemCmd(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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ITStatus RCC_GetITStatus(uint8_t RCC_IT);
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void RCC_ClearITPendingBit(uint8_t RCC_IT);
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void RCC_ADCCLKADJcmd(FunctionalState NewState);
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#if defined(CH32V20x_D8) || defined(CH32V20x_D8W)
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void RCC_ETHDIVConfig(uint32_t RCC_ETHPRE_Div);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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