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224 lines
6.2 KiB
224 lines
6.2 KiB
#define PERIPH_BASE 0x40000000 |
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#define APB1PERIPH_BASE PERIPH_BASE |
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#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000) |
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#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000) |
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#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000) |
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struct RCC { |
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volatile uint32_t CR; |
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volatile uint32_t CFGR; |
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volatile uint32_t CIR; |
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volatile uint32_t APB2RSTR; |
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volatile uint32_t APB1RSTR; |
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volatile uint32_t AHBENR; |
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volatile uint32_t APB2ENR; |
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volatile uint32_t APB1ENR; |
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volatile uint32_t BDCR; |
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volatile uint32_t CSR; |
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#if defined(MCU_STM32F0) |
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volatile uint32_t AHBRSTR; |
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volatile uint32_t CFGR2; |
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volatile uint32_t CFGR3; |
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volatile uint32_t CR2; |
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#endif |
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}; |
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#define RCC_BASE (AHBPERIPH_BASE + 0x1000) |
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static struct RCC *const RCC = (struct RCC *)RCC_BASE; |
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#define RCC_APB1ENR_USBEN 0x00800000 |
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#define RCC_APB1RSTR_USBRST 0x00800000 |
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#define RCC_CR_HSION 0x00000001 |
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#define RCC_CR_HSIRDY 0x00000002 |
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#define RCC_CR_HSITRIM 0x000000F8 |
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#define RCC_CR_HSEON 0x00010000 |
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#define RCC_CR_HSERDY 0x00020000 |
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#define RCC_CR_PLLON 0x01000000 |
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#define RCC_CR_PLLRDY 0x02000000 |
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#define RCC_CFGR_SWS 0x0000000C |
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#define RCC_CFGR_SWS_HSI 0x00000000 |
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#define RCC_CFGR_SW_HSI (0 << 0) |
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#define RCC_CFGR_SW_HSE (1 << 0) |
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#define RCC_CFGR_SW_PLL (2 << 0) |
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#define RCC_CFGR_SW_MASK (3 << 0) |
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#define RCC_AHBENR_DMA1EN 0x00000001 |
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#define RCC_AHBENR_CRCEN 0x00000040 |
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#if defined(MCU_STM32F0) |
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#define RCC_AHBRSTR_IOPARST 0x00020000 |
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#define RCC_AHBRSTR_IOPBRST 0x00040000 |
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#define RCC_AHBRSTR_IOPCRST 0x00080000 |
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#define RCC_AHBRSTR_IOPDRST 0x00100000 |
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#define RCC_AHBRSTR_IOPFRST 0x00400000 |
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#define RCC_AHBENR_IOPAEN 0x00020000 |
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#define RCC_AHBENR_IOPBEN 0x00040000 |
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#define RCC_AHBENR_IOPCEN 0x00080000 |
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#define RCC_AHBENR_IOPDEN 0x00100000 |
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#define RCC_AHBENR_IOPFEN 0x00400000 |
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#define RCC_APB2RSTR_SYSCFGRST 0x00000001 |
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#define RCC_APB2ENR_SYSCFGEN 0x00000001 |
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#else |
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#define RCC_APB2ENR_ADC1EN 0x00000200 |
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#define RCC_APB2ENR_ADC2EN 0x00000400 |
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#define RCC_APB2ENR_TIM1EN 0x00000800 |
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#define RCC_APB1ENR_TIM2EN 0x00000001 |
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#define RCC_APB1ENR_TIM3EN 0x00000002 |
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#define RCC_APB1ENR_TIM4EN 0x00000004 |
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#define RCC_APB2RSTR_ADC1RST 0x00000200 |
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#define RCC_APB2RSTR_ADC2RST 0x00000400 |
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#define RCC_APB2RSTR_TIM1RST 0x00000800 |
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#define RCC_APB1RSTR_TIM2RST 0x00000001 |
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#define RCC_APB1RSTR_TIM3RST 0x00000002 |
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#define RCC_APB1RSTR_TIM4RST 0x00000004 |
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#define RCC_APB2RSTR_AFIORST 0x00000001 |
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#define RCC_APB2RSTR_IOPARST 0x00000004 |
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#define RCC_APB2RSTR_IOPBRST 0x00000008 |
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#define RCC_APB2RSTR_IOPCRST 0x00000010 |
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#define RCC_APB2RSTR_IOPDRST 0x00000020 |
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#define RCC_APB2RSTR_IOPERST 0x00000040 |
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#define RCC_APB2RSTR_IOPFRST 0x00000080 |
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#define RCC_APB2RSTR_IOPGRST 0x00000100 |
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#define RCC_APB2ENR_AFIOEN 0x00000001 |
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#define RCC_APB2ENR_IOPAEN 0x00000004 |
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#define RCC_APB2ENR_IOPBEN 0x00000008 |
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#define RCC_APB2ENR_IOPCEN 0x00000010 |
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#define RCC_APB2ENR_IOPDEN 0x00000020 |
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#define RCC_APB2ENR_IOPEEN 0x00000040 |
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#define RCC_APB2ENR_IOPFEN 0x00000080 |
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#define RCC_APB2ENR_IOPGEN 0x00000100 |
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#endif |
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/* Clock setting values. |
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* Due to historical reason, it has the prefix of STM32_. |
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*/ |
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#define STM32_SW_HSI (0 << 0) |
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#define STM32_SW_HSE (1 << 0) |
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#define STM32_SW_PLL (2 << 0) |
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#define STM32_PLLSRC_HSI (0 << 16) |
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#define STM32_PLLSRC_HSE (1 << 16) |
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#define STM32_PLLXTPRE_DIV1 (0 << 17) |
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#define STM32_PLLXTPRE_DIV2 (1 << 17) |
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#define STM32_HPRE_DIV1 (0 << 4) |
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#define STM32_HPRE_DIV8 (10 << 4) |
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#define STM32_HPRE_DIV16 (11 << 4) |
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#define STM32_PPRE1_DIV1 (0 << 8) |
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#define STM32_PPRE1_DIV2 (4 << 8) |
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#define STM32_PPRE1_DIV16 (7 << 8) |
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#define STM32_PPRE2_DIV1 (0 << 11) |
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#define STM32_PPRE2_DIV2 (4 << 11) |
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#define STM32_PPRE2_DIV16 (7 << 11) |
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#define STM32_ADCPRE_DIV4 (1 << 14) |
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#define STM32_ADCPRE_DIV6 (2 << 14) |
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#define STM32_ADCPRE_DIV8 (3 << 14) |
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#define STM32_USBPRE_DIV1P5 (0 << 22) |
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#define STM32_USBPRE_DIV2 (3 << 22) /* Not for STM32, but GD32F103 */ |
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#define STM32_MCO_NOCLOCK (0 << 24) |
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struct PWR |
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{ |
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volatile uint32_t CR; |
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volatile uint32_t CSR; |
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}; |
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static struct PWR *const PWR = ((struct PWR *)0x40007000); |
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#define PWR_CR_LPDS 0x0001 /* Low-power deepsleep */ |
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#define PWR_CR_PDDS 0x0002 /* Power down deepsleep */ |
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#define PWR_CR_CWUF 0x0004 /* Clear wakeup flag */ |
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#if defined(MCU_STM32F0) |
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struct GPIO { |
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volatile uint32_t MODER; |
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volatile uint16_t OTYPER; |
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uint16_t dummy0; |
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volatile uint32_t OSPEEDR; |
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volatile uint32_t PUPDR; |
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volatile uint16_t IDR; |
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uint16_t dummy1; |
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volatile uint16_t ODR; |
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uint16_t dummy2; |
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volatile uint16_t BSRR; |
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uint16_t dummy3; |
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volatile uint32_t LCKR; |
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volatile uint32_t AFR[2]; |
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volatile uint16_t BRR; |
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uint16_t dummy4; |
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}; |
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#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000) |
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#define GPIOA ((struct GPIO *) GPIOA_BASE) |
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#define GPIOB_BASE (AHB2PERIPH_BASE + 0x0400) |
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#define GPIOB ((struct GPIO *) GPIOB_BASE) |
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#define GPIOC_BASE (AHB2PERIPH_BASE + 0x0800) |
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#define GPIOC ((struct GPIO *) GPIOC_BASE) |
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#define GPIOD_BASE (AHB2PERIPH_BASE + 0x0C00) |
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#define GPIOD ((struct GPIO *) GPIOD_BASE) |
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#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400) |
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#define GPIOF ((struct GPIO *) GPIOF_BASE) |
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#else |
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struct GPIO { |
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volatile uint32_t CRL; |
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volatile uint32_t CRH; |
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volatile uint32_t IDR; |
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volatile uint32_t ODR; |
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volatile uint32_t BSRR; |
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volatile uint32_t BRR; |
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volatile uint32_t LCKR; |
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}; |
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#define GPIOA_BASE (APB2PERIPH_BASE + 0x0800) |
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#define GPIOA ((struct GPIO *) GPIOA_BASE) |
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#define GPIOB_BASE (APB2PERIPH_BASE + 0x0C00) |
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#define GPIOB ((struct GPIO *) GPIOB_BASE) |
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#define GPIOC_BASE (APB2PERIPH_BASE + 0x1000) |
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#define GPIOC ((struct GPIO *) GPIOC_BASE) |
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#define GPIOD_BASE (APB2PERIPH_BASE + 0x1400) |
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#define GPIOD ((struct GPIO *) GPIOD_BASE) |
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#define GPIOE_BASE (APB2PERIPH_BASE + 0x1800) |
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#define GPIOE ((struct GPIO *) GPIOE_BASE) |
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#endif |
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#if defined(MCU_STM32F0) |
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struct SYSCFG { |
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volatile uint32_t CFGR1; |
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uint32_t dummy0; |
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volatile uint32_t EXTICR[4]; |
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volatile uint32_t CFGR2; |
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}; |
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#define SYSCFG_CFGR1_MEM_MODE 0x03 |
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#define SYSCFG_BASE (APB1PERIPH_BASE + 0x00010000) |
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static struct SYSCFG *const SYSCFG = (struct SYSCFG *)SYSCFG_BASE; |
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#endif |
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struct FLASH { |
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volatile uint32_t ACR; |
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volatile uint32_t KEYR; |
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volatile uint32_t OPTKEYR; |
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volatile uint32_t SR; |
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volatile uint32_t CR; |
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volatile uint32_t AR; |
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volatile uint32_t RESERVED; |
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volatile uint32_t OBR; |
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volatile uint32_t WRPR; |
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}; |
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#define FLASH_R_BASE (AHBPERIPH_BASE + 0x2000) |
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static struct FLASH *const FLASH = (struct FLASH *)FLASH_R_BASE;
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