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#ifndef RCC_H
#define RCC_H
#include <stdint.h>
struct RCC_t {
#if defined(STM32F1)
volatile uint32_t CR;
volatile uint32_t CFGR;
volatile uint32_t CIR;
volatile uint32_t APB2RSTR;
volatile uint32_t APB1RSTR;
volatile uint32_t AHBENR;
volatile uint32_t APB2ENR;
volatile uint32_t APB1ENR;
volatile uint32_t BDCR;
volatile uint32_t CSR;
#elif defined(STM32F4)
volatile uint32_t CR;
volatile uint32_t PLLCFGR;
volatile uint32_t CFGR;
volatile uint32_t CIR;
volatile uint32_t AHB1RSTR;
volatile uint32_t AHB2RSTR;
volatile uint32_t AHB3RSTR;
volatile uint32_t AHB4RSTR; // Reserved
volatile uint32_t APB1RSTR;
volatile uint32_t APB2RSTR;
volatile uint32_t APB3RSTR; // Reserved
volatile uint32_t APB4RSTR; // Reserved
volatile uint32_t AHB1ENR;
volatile uint32_t AHB2ENR;
volatile uint32_t AHB3ENR;
volatile uint32_t AHB4ENR; // Reserved
volatile uint32_t APB1ENR;
volatile uint32_t APB2ENR;
volatile uint32_t APB3ENR; // Reserved
volatile uint32_t APB4ENR; // Reserved
volatile uint32_t AHB1LPENR;
volatile uint32_t AHB2LPENR;
volatile uint32_t AHB3LPENR;
volatile uint32_t AHB4LPENR; // Reserved
volatile uint32_t APB1LPENR;
volatile uint32_t APB2LPENR;
volatile uint32_t APB3LPENR; // Reserved
volatile uint32_t APB4LPENR; // Reserved
volatile uint32_t BDCR;
volatile uint32_t CSR;
volatile uint32_t _1;
volatile uint32_t _2;
volatile uint32_t SSCGR;
volatile uint32_t PLLI2SCFGR;
#endif
#if defined(STM32F1)
enum AHB_dev {
DMA1 = 1 << 0,
DMA2 = 1 << 1,
SRAM = 1 << 2,
FLITF = 1 << 4,
CRC = 1 << 6,
FSMC = 1 << 8,
SDIO = 1 << 10
};
enum APB1_dev {
TIM2 = 1 << 0,
TIM3 = 1 << 1,
TIM4 = 1 << 2,
TIM5 = 1 << 3,
TIM6 = 1 << 4,
TIM7 = 1 << 5,
TIM12 = 1 << 6,
TIM13 = 1 << 7,
TIM14 = 1 << 8,
WWDG = 1 << 11,
SPI2 = 1 << 14,
SPI3 = 1 << 15,
USART2 = 1 << 17,
USART3 = 1 << 18,
UART4 = 1 << 19,
UART5 = 1 << 20,
I2C1 = 1 << 21,
I2C2 = 1 << 22,
USB = 1 << 23,
CAN = 1 << 25,
BKP = 1 << 27,
PWR = 1 << 28,
DAC = 1 << 29
};
enum APB2_dev {
AFIO = 1 << 0,
GPIOA = 1 << 2,
GPIOB = 1 << 3,
GPIOC = 1 << 4,
GPIOD = 1 << 5,
GPIOE = 1 << 6,
GPIOF = 1 << 7,
GPIOG = 1 << 8,
ADC1 = 1 << 9,
ADC2 = 1 << 10,
TIM1 = 1 << 11,
SPI1 = 1 << 12,
TIM8 = 1 << 13,
USART1 = 1 << 14,
ADC3 = 1 << 15,
TIM9 = 1 << 19,
TIM10 = 1 << 20,
TIM11 = 1 << 21
};
#elif defined(STM32F4)
enum AHB1_dev {
GPIOA = 1 << 0,
GPIOB = 1 << 1,
GPIOC = 1 << 2,
GPIOD = 1 << 3,
GPIOE = 1 << 4,
GPIOF = 1 << 5,
GPIOG = 1 << 6,
GPIOH = 1 << 7,
GPIOI = 1 << 8,
CRC = 1 << 12,
DMA1 = 1 << 21,
DMA2 = 1 << 22,
ETHMAC = 1 << 25,
OTGHS = 1 << 29,
};
enum AHB2_dev {
DCMI = 1 << 0,
CRYP = 1 << 4,
HASH = 1 << 5,
RNG = 1 << 6,
OTGFS = 1 << 7,
};
enum AHB3_dev {
FSMC = 1 << 0,
};
enum APB1_dev {
TIM2 = 1 << 0,
TIM3 = 1 << 1,
TIM4 = 1 << 2,
TIM5 = 1 << 3,
TIM6 = 1 << 4,
TIM7 = 1 << 5,
TIM12 = 1 << 6,
TIM13 = 1 << 7,
TIM14 = 1 << 8,
WWDG = 1 << 11,
SPI2 = 1 << 14,
SPI3 = 1 << 15,
USART2 = 1 << 17,
USART3 = 1 << 18,
UART4 = 1 << 19,
UART5 = 1 << 20,
I2C1 = 1 << 21,
I2C2 = 1 << 22,
I2C3 = 1 << 23,
CAN1 = 1 << 25,
CAN2 = 1 << 26,
PWR = 1 << 28,
DAC = 1 << 29,
};
enum APB2_dev {
TIM1 = 1 << 0,
TIM8 = 1 << 1,
USART1 = 1 << 4,
USART6 = 1 << 5,
ADC = 1 << 8,
SDIO = 1 << 11,
SPI1 = 1 << 12,
SYSCFG = 1 << 14,
TIM9 = 1 << 16,
TIM10 = 1 << 17,
TIM11 = 1 << 18,
};
#endif
#if defined(STM32F1)
inline void enable(AHB_dev dev) {
AHBENR |= dev;
}
#elif defined(STM32F4)
inline void enable(AHB1_dev dev) {
AHB1ENR |= dev;
}
inline void enable(AHB2_dev dev) {
AHB2ENR |= dev;
}
inline void enable(AHB3_dev dev) {
AHB3ENR |= dev;
}
#endif
inline void enable(APB1_dev dev) {
APB1ENR |= dev;
}
inline void enable(APB2_dev dev) {
APB2ENR |= dev;
}
};
#if defined(STM32F1)
static RCC_t& RCC = *(RCC_t*)0x40021000;
#elif defined(STM32F4)
static RCC_t& RCC = *(RCC_t*)0x40023800;
#endif
void rcc_init();
#endif
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