gadget-tester/system.h

#ifndef SYSTEM_H_INCLUDED
#define SYSTEM_H_INCLUDED
#include <stdint.h>
/* System specific: PLL with 8 MHz external oscillator, CPU at 168MHz */
#define PLL_FULL_MASK (0x7F037FFF)
extern uint32_t cpu_freq;
void panic(void);
void printbin(const uint8_t *buf, int len); /* Defined in uart.c */

extern int _mutex_lock(void *); /* defined in mutex.S */
extern int _mutex_unlock(void *);

/* PIN CONFIG TARGET */
#define LED 5 // PA5

#define SPI_FLASH_PIN  4 /* Flash CS connected to GPIOA4 */
#define SPI1_PIN_AF 5
#define SPI1_CLOCK_PIN 5
#define SPI1_MISO_PIN 6
#define SPI1_MOSI_PIN 7

#define SPI2_PIN_AF 5
#define SPI2_CLOCK_PIN 13
#define SPI2_MISO_PIN 14
#define SPI2_MOSI_PIN 15


#define I2C1_PIN_AF 4
#define I2C1_SDA 9  /* GPIOB P9 */
#define I2C1_SCL 8  /* GPIOB P8 */
#define GPIO_MODE_AF (2)


/* STM32 specific defines */
#define APB1_CLOCK_ER           (*(volatile uint32_t *)(0x40023840))
#define APB1_CLOCK_RST          (*(volatile uint32_t *)(0x40023820))
#define TIM2_APB1_CLOCK_ER_VAL 	(1 << 0)
#define TIM4_APB1_CLOCK_ER_VAL 	(1 << 2)
#define PWR_APB1_CLOCK_ER_VAL   (1 << 28)
#define SPI2_APB1_CLOCK_ER_VAL 	(1 << 14)

#define APB2_CLOCK_ER           (*(volatile uint32_t *)(0x40023844))
#define APB2_CLOCK_RST          (*(volatile uint32_t *)(0x40023824))
#define SYSCFG_APB2_CLOCK_ER    (1 << 14)
#define SPI1_APB2_CLOCK_ER_VAL 	(1 << 12)
#define SDIO_APB2_CLOCK_ER_VAL 	(1 << 11)
#define ADC1_APB2_CLOCK_ER_VAL 	(1 << 8)

#define RCC_BACKUP (*(volatile uint32_t *)(0x40023870))
#define RCC_BACKUP_RESET        (1 << 16)
#define RCC_BACKUP_RTCEN        (1 << 15)
#define RCC_BACKUP_RTCSEL_SHIFT           8
#define RCC_BACKUP_RTCSEL_MASK            0x3
#define RCC_BACKUP_RTCSEL_NONE            0
#define RCC_BACKUP_RTCSEL_LSE         1
#define RCC_BACKUP_RTCSEL_LSI         2
#define RCC_BACKUP_RTCSEL_HSE         3
#define RCC_BACKUP_LSEMOD             (1 << 3)
#define RCC_BACKUP_LSEBYP             (1 << 2)
#define RCC_BACKUP_LSERDY             (1 << 1)
#define RCC_BACKUP_LSEON              (1 << 0)

#define RCC_CSR_LSION (1 << 0)
#define RCC_CSR_LSIRDY (1 << 1)

/* EXTI */
#define EXTI_CR_BASE (0x40013808)
#define EXTI_CR0 (*(volatile uint32_t *)(EXTI_CR_BASE + 0x00))
#define EXTI_CR_EXTI0_MASK (0xFFFF)

#define EXTI_IMR    (*(volatile uint32_t *)(EXTI_BASE + 0x00))
#define EXTI_EMR    (*(volatile uint32_t *)(EXTI_BASE + 0x04))
#define EXTI_RTSR   (*(volatile uint32_t *)(EXTI_BASE + 0x08))
#define EXTI_FTSR   (*(volatile uint32_t *)(EXTI_BASE + 0x0c))
#define EXTI_SWIER  (*(volatile uint32_t *)(EXTI_BASE + 0x10))
#define EXTI_PR     (*(volatile uint32_t *)(EXTI_BASE + 0x14))


/* HW RNG */
#define RNG_BASE (0x50060800)
#define RNG_CR (*(volatile uint32_t *)(RNG_BASE + 0x00))
#define RNG_SR (*(volatile uint32_t *)(RNG_BASE + 0x04))
#define RNG_DR (*(volatile uint32_t *)(RNG_BASE + 0x08))

#define RNG_CR_IE (1 << 3)
#define RNG_CR_RNGEN (1 << 2)

#define RNG_SR_DRDY (1 << 0)
#define RNG_SR_CECS (1 << 1)
#define RNG_SR_SECS (1 << 2)


/* SCB for sleep configuration */
#define SCB_SCR (*(volatile uint32_t *)(0xE000ED10))
#define SCB_SCR_SEVONPEND	(1 << 4)
#define SCB_SCR_SLEEPDEEP		(1 << 2)
#define SCB_SCR_SLEEPONEXIT (1 << 1)

/* Assembly helpers */
#define DMB() __asm__ volatile ("dmb")
#define WFI() __asm__ volatile ("wfi")
#define WFE() __asm__ volatile ("wfe")
#define SEV() __asm__ volatile ("sev")

/* Master clock setting */
void clock_pll_on(void);
void clock_pll_off(void);


/* NVIC */
/* NVIC ISER Base register (Cortex-M) */
#define NVIC_RTC_IRQ             (3)
#define NVIC_TIM2_IRQN          (28)
#define NVIC_ISER_BASE (0xE000E100)
#define NVIC_ICER_BASE (0xE000E180)
#define NVIC_ICPR_BASE (0xE000E280)
#define NVIC_IPRI_BASE (0xE000E400)
#define NVIC_EXTI0_IRQ           (6)
#define NVIC_EXTI9_5_IRQ         (23)
#define NVIC_EXTI15_10_IRQ       (40)

static inline void nvic_irq_enable(uint8_t n)
{
    int i = n / 32;
    volatile uint32_t *nvic_iser = ((volatile uint32_t *)(NVIC_ISER_BASE + 4 * i));
    *nvic_iser |= (1 << (n % 32));
}

static inline void nvic_irq_disable(uint8_t n)
{
    int i = n / 32;
    volatile uint32_t *nvic_icer = ((volatile uint32_t *)(NVIC_ICER_BASE + 4 * i));
    *nvic_icer |= (1 << (n % 32));
}

static inline void nvic_irq_setprio(uint8_t n, uint8_t prio)
{
    volatile uint8_t *nvic_ipri = ((volatile uint8_t *)(NVIC_IPRI_BASE + n));
    *nvic_ipri = prio;
}


static inline void nvic_irq_clear(uint8_t n)
{
    int i = n / 32;
    volatile uint8_t *nvic_icpr = ((volatile uint8_t *)(NVIC_ICPR_BASE + 4 * i));
    *nvic_icpr = (1 << (n % 32));
}
/*** FLASH ***/
#define FLASH_BASE (0x40023C00)
#define FLASH_ACR  (*(volatile uint32_t *)(FLASH_BASE + 0x00))
#define FLASH_ACR_ENABLE_DATA_CACHE (1 << 10)
#define FLASH_ACR_ENABLE_INST_CACHE (1 << 9)

/*** SPI ***/ 
#define SPI1 (0x40013000)
#define SPI1_CR1      (*(volatile uint32_t *)(SPI1))
#define SPI1_CR2      (*(volatile uint32_t *)(SPI1 + 0x04))
#define SPI1_SR       (*(volatile uint32_t *)(SPI1 + 0x08))
#define SPI1_DR       (*(volatile uint32_t *)(SPI1 + 0x0c))

#define SPI2 (0x40003800)
#define SPI2_CR1      (*(volatile uint32_t *)(SPI2))
#define SPI2_CR2      (*(volatile uint32_t *)(SPI2 + 0x04))
#define SPI2_SR       (*(volatile uint32_t *)(SPI2 + 0x08))
#define SPI2_DR       (*(volatile uint32_t *)(SPI2 + 0x0c))


#define SPI_CR1_CLOCK_PHASE         (1 << 0)
#define SPI_CR1_CLOCK_POLARITY      (1 << 1)
#define SPI_CR1_MASTER	    		(1 << 2)
#define SPI_CR1_BAUDRATE        	(0x07 << 3)
#define SPI_CR1_SPI_EN		    	(1 << 6)
#define SPI_CR1_LSBFIRST		    (1 << 7)
#define SPI_CR1_SSI			        (1 << 8)
#define SPI_CR1_SSM			        (1 << 9)
#define SPI_CR1_16BIT_FORMAT        (1 << 11)
#define SPI_CR1_TX_CRC_NEXT			(1 << 12)
#define SPI_CR1_HW_CRC_EN			(1 << 13)
#define SPI_CR1_BIDIOE			    (1 << 14)
#define SPI_CR2_SSOE			    (1 << 2)



#define SPI_SR_RX_NOTEMPTY  	        (1 << 0)
#define SPI_SR_TX_EMPTY			        (1 << 1)
#define SPI_SR_BUSY			            (1 << 7)


/*** RCC ***/

#define RCC_CR_PLLRDY               (1 << 25)
#define RCC_CR_PLLON                (1 << 24)
#define RCC_CR_HSERDY               (1 << 17)
#define RCC_CR_HSEON                (1 << 16)
#define RCC_CR_HSIRDY               (1 << 1)
#define RCC_CR_HSION                (1 << 0)

#define RCC_CFGR_SW_HSI             0x0
#define RCC_CFGR_SW_HSE             0x1
#define RCC_CFGR_SW_PLL             0x2

#define RCC_PRESCALER_DIV_NONE 0
#define RCC_PRESCALER_DIV_2    8
#define RCC_PRESCALER_DIV_4    9


#define RCC_PLLCFGR_PLLSRC          (1 << 22)
#define AHB1_CLOCK_ER (*(volatile uint32_t *)(0x40023830))
#define GPIOA_AHB1_CLOCK_ER (1 << 0)
#define GPIOB_AHB1_CLOCK_ER (1 << 1)
#define GPIOC_AHB1_CLOCK_ER (1 << 2)
#define GPIOD_AHB1_CLOCK_ER (1 << 3)
#define GPIOE_AHB1_CLOCK_ER (1 << 4)
#define GPIOA_BASE 0x40020000
#define GPIOB_BASE 0x40020400
#define GPIOC_BASE 0x40020800
#define GPIOD_BASE 0x40020C00
#define GPIOE_BASE 0x40021000

#define AHB2_CLOCK_ER (*(volatile uint32_t *)(0x40023834))
#define RNG_AHB2_CLOCK_ER (1 << 6)


/* POWER CONTROL REGISTER */
#define POW_BASE (0x40007000)
#define POW_CR (*(volatile uint32_t *)(POW_BASE + 0x00))
#define POW_SCR (*(volatile uint32_t *)(POW_BASE + 0x04))

#define POW_CR_VOS (1 << 14)
#define POW_CR_FPDS (1 << 9)
#define POW_CR_DPB   (1 << 8)
#define POW_CR_CSBF  (1 << 3)
#define POW_CR_CWUF  (1 << 2)
#define POW_CR_PDDS  (1 << 1)
#define POW_CR_LPDS  (1 << 0)
#define POW_SCR_BRE (1 << 9)
#define POW_SCR_EWUP (1 << 4)
#define POW_SCR_BRR (1 << 3)
#define POW_SCR_WUF   (1 << 0)



/* GPIOS */


#define GPIOA_MODE  (*(volatile uint32_t *)(GPIOA_BASE + 0x00))
#define GPIOA_AFL   (*(volatile uint32_t *)(GPIOA_BASE + 0x20))
#define GPIOA_AFH   (*(volatile uint32_t *)(GPIOA_BASE + 0x24))
#define GPIOA_OSPD  (*(volatile uint32_t *)(GPIOA_BASE + 0x08))
#define GPIOA_PUPD (*(volatile uint32_t *)(GPIOA_BASE + 0x0c))
#define GPIOA_BSRR (*(volatile uint32_t *)(GPIOA_BASE + 0x18))
#define GPIOA_ODR  (*(volatile uint32_t *)(GPIOA_BASE + 0x14))
#define GPIOA_IDR  (*(volatile uint32_t *)(GPIOA_BASE + 0x10))

#define GPIOB_MODE  (*(volatile uint32_t *)(GPIOB_BASE + 0x00))
#define GPIOB_AFL   (*(volatile uint32_t *)(GPIOB_BASE + 0x20))
#define GPIOB_AFH   (*(volatile uint32_t *)(GPIOB_BASE + 0x24))
#define GPIOB_OSPD  (*(volatile uint32_t *)(GPIOB_BASE + 0x08))
#define GPIOB_PUPD (*(volatile uint32_t *)(GPIOB_BASE + 0x0c))
#define GPIOB_BSRR (*(volatile uint32_t *)(GPIOB_BASE + 0x18))
#define GPIOB_ODR  (*(volatile uint32_t *)(GPIOB_BASE + 0x14))

#define GPIOC_MODE  (*(volatile uint32_t *)(GPIOC_BASE + 0x00))
#define GPIOC_OTYPE (*(volatile uint32_t *)(GPIOC_BASE + 0x04))
#define GPIOC_OSPEED (*(volatile uint32_t *)(GPIOC_BASE + 0x08))
#define GPIOC_AFL   (*(volatile uint32_t *)(GPIOC_BASE + 0x20))
#define GPIOC_AFH   (*(volatile uint32_t *)(GPIOC_BASE + 0x24))
#define GPIOC_OSPD  (*(volatile uint32_t *)(GPIOC_BASE + 0x08))
#define GPIOC_PUPD (*(volatile uint32_t *)(GPIOC_BASE + 0x0c))
#define GPIOC_BSRR (*(volatile uint32_t *)(GPIOC_BASE + 0x18))
#define GPIOC_ODR  (*(volatile uint32_t *)(GPIOC_BASE + 0x14))


#define GPIOD_MODE  (*(volatile uint32_t *)(GPIOD_BASE + 0x00))
#define GPIOD_OTYPE (*(volatile uint32_t *)(GPIOD_BASE + 0x04))
#define GPIOD_OSPEED (*(volatile uint32_t *)(GPIOD_BASE + 0x08))
#define GPIOD_AFL   (*(volatile uint32_t *)(GPIOD_BASE + 0x20))
#define GPIOD_AFH   (*(volatile uint32_t *)(GPIOD_BASE + 0x24))
#define GPIOD_OSPD  (*(volatile uint32_t *)(GPIOD_BASE + 0x08))
#define GPIOD_PUPD (*(volatile uint32_t *)(GPIOD_BASE + 0x0c))
#define GPIOD_BSRR (*(volatile uint32_t *)(GPIOD_BASE + 0x18))
#define GPIOD_ODR  (*(volatile uint32_t *)(GPIOD_BASE + 0x14))

#define GPIOE_MODE  (*(volatile uint32_t *)(GPIOE_BASE + 0x00))
#define GPIOE_AFL   (*(volatile uint32_t *)(GPIOE_BASE + 0x20))
#define GPIOE_AFH   (*(volatile uint32_t *)(GPIOE_BASE + 0x24))
#define GPIOE_OSPD  (*(volatile uint32_t *)(GPIOE_BASE + 0x08))
#define GPIOE_PUPD (*(volatile uint32_t *)(GPIOE_BASE + 0x0c))
#define GPIOE_BSRR (*(volatile uint32_t *)(GPIOE_BASE + 0x18))
#define GPIOE_ODR  (*(volatile uint32_t *)(GPIOE_BASE + 0x14))
#define GPIO_MODE_AF (2)

/* SDIO */
#define SDIO_BASE (0x40012C00)
#define SDIO_POWER           (*(volatile uint32_t *)((SDIO_BASE) + 0x00))
#define SDIO_CLKCR           (*(volatile uint32_t *)((SDIO_BASE) + 0x04))
#define SDIO_ARG             (*(volatile uint32_t *)((SDIO_BASE) + 0x08))
#define SDIO_CMD             (*(volatile uint32_t *)((SDIO_BASE) + 0x0C))
#define SDIO_RESPCMD         (*(volatile uint32_t *)((SDIO_BASE) + 0x10))
#define SDIO_RESP1			 (*(volatile uint32_t *)((SDIO_BASE) + 0x14))
#define SDIO_RESP2			 (*(volatile uint32_t *)((SDIO_BASE) + 0x18))
#define SDIO_RESP3			 (*(volatile uint32_t *)((SDIO_BASE) + 0x1C))
#define SDIO_RESP4			 (*(volatile uint32_t *)((SDIO_BASE) + 0x20))
#define SDIO_DTIMER			 (*(volatile uint32_t *)((SDIO_BASE) + 0x24))
#define SDIO_DLEN			 (*(volatile uint32_t *)((SDIO_BASE) + 0x28))
#define SDIO_DCTRL			 (*(volatile uint32_t *)((SDIO_BASE) + 0x2C))
#define SDIO_DCOUNT			 (*(volatile uint32_t *)((SDIO_BASE) + 0x30))
#define SDIO_STA             (*(volatile uint32_t *)((SDIO_BASE) + 0x34))
#define SDIO_ICR             (*(volatile uint32_t *)((SDIO_BASE) + 0x38))
#define SDIO_MASK            (*(volatile uint32_t *)((SDIO_BASE) + 0x3C))
#define SDIO_FIFOCNT         (*(volatile uint32_t *)((SDIO_BASE) + 0x48))
#define SDIO_FIFO            (*(volatile uint32_t *)((SDIO_BASE) + 0x80))

#define SDIO_POWER_PWRCTRL_SHIFT	0
#define SDIO_POWER_PWRCTRL_PWROFF	(0x0 << SDIO_POWER_PWRCTRL_SHIFT)
#define SDIO_POWER_PWRCTRL_RSVPWRUP	(0x2 << SDIO_POWER_PWRCTRL_SHIFT)
#define SDIO_POWER_PWRCTRL_PWRON	(0x3 << SDIO_POWER_PWRCTRL_SHIFT)
#define SDIO_CLKCR_HWFC_EN		(1 << 14)
#define SDIO_CLKCR_NEGEDGE		(1 << 13)
#define SDIO_CLKCR_WIDBUS_SHIFT		11
#define SDIO_CLKCR_WIDBUS_1		(0x0 << SDIO_CLKCR_WIDBUS_SHIFT)
#define SDIO_CLKCR_WIDBUS_4		(0x1 << SDIO_CLKCR_WIDBUS_SHIFT)
#define SDIO_CLKCR_WIDBUS_8		(0x2 << SDIO_CLKCR_WIDBUS_SHIFT)
#define SDIO_CLKCR_BYPASS		(1 << 10)
#define SDIO_CLKCR_PWRSAV		(1 << 9)
#define SDIO_CLKCR_CLKEN		(1 << 8)
#define SDIO_CLKCR_CLKDIV_SHIFT		0
#define SDIO_CLKCR_CLKDIV_MSK		(0xFF << SDIO_CLKCR_CLKDIV_SHIFT)
#define SDIO_CMD_ATACMD			(1 << 14)
#define SDIO_CMD_NIEN			(1 << 13)
#define SDIO_CMD_ENCMDCOMPL		(1 << 12)
#define SDIO_CMD_SDIOSUSPEND		(1 << 11)
#define SDIO_CMD_CPSMEN			(1 << 10)
#define SDIO_CMD_WAITPEND		(1 << 9)
#define SDIO_CMD_WAITINT		(1 << 8)
#define SDIO_CMD_WAITRESP_SHIFT		6
#define SDIO_CMD_WAITRESP_NO_0		(0x0 << SDIO_CMD_WAITRESP_SHIFT)
#define SDIO_CMD_WAITRESP_SHORT		(0x1 << SDIO_CMD_WAITRESP_SHIFT)
#define SDIO_CMD_WAITRESP_NO_2		(0x2 << SDIO_CMD_WAITRESP_SHIFT)
#define SDIO_CMD_WAITRESP_LONG		(0x3 << SDIO_CMD_WAITRESP_SHIFT)
#define SDIO_CMD_CMDINDEX_SHIFT		0
#define SDIO_CMD_CMDINDEX_MSK		(0x3F << SDIO_CMD_CMDINDEX_SHIFT)
#define SDIO_RESPCMD_SHIFT		0
#define SDIO_RESPCMD_MSK		(0x3F << SDIO_RESPCMD_SHIFT)
#define SDIO_DCTRL_SDIOEN		(1 << 11)
#define SDIO_DCTRL_RWMOD		(1 << 10)
#define SDIO_DCTRL_RWSTOP		(1 << 9)
#define SDIO_DCTRL_RWSTART		(1 << 8)
#define SDIO_DCTRL_DBLOCKSIZE_SHIFT	4
#define SDIO_DCTRL_DBLOCKSIZE_0		(0x0 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_1		(0x1 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_2		(0x2 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_3		(0x3 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_4		(0x4 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_5		(0x5 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_6		(0x6 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_7		(0x7 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_8		(0x8 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_9		(0x9 << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_10	(0xA << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_11	(0xB << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_12	(0xC << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_13	(0xD << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DBLOCKSIZE_14	(0xE << SDIO_DCTRL_DBLOCKSIZE_SHIFT)
#define SDIO_DCTRL_DMAEN		(1 << 3)
#define SDIO_DCTRL_DTMODE		(1 << 2)
#define SDIO_DCTRL_DTDIR		(1 << 1)
#define SDIO_DCTRL_DTEN			(1 << 0)
#define SDIO_STA_CEATAEND		(1 << 23)
#define SDIO_STA_SDIOIT			(1 << 22)
#define SDIO_STA_RXDAVL			(1 << 21)
#define SDIO_STA_TXDAVL			(1 << 20)
#define SDIO_STA_RXFIFOE		(1 << 19)
#define SDIO_STA_TXFIFOE		(1 << 18)
#define SDIO_STA_RXFIFOF		(1 << 17)
#define SDIO_STA_TXFIFOF		(1 << 16)
#define SDIO_STA_RXFIFOHF		(1 << 15)
#define SDIO_STA_TXFIFOHE		(1 << 14)
#define SDIO_STA_RXACT			(1 << 13)
#define SDIO_STA_TXACT			(1 << 12)
#define SDIO_STA_CMDACT			(1 << 11)
#define SDIO_STA_DBCKEND		(1 << 10)
#define SDIO_STA_STBITERR		(1 << 9)
#define SDIO_STA_DATAEND		(1 << 8)
#define SDIO_STA_CMDSENT		(1 << 7)
#define SDIO_STA_CMDREND		(1 << 6)
#define SDIO_STA_RXOVERR		(1 << 5)
#define SDIO_STA_TXUNDERR		(1 << 4)
#define SDIO_STA_DTIMEOUT		(1 << 3)
#define SDIO_STA_CTIMEOUT		(1 << 2)
#define SDIO_STA_DCRCFAIL		(1 << 1)
#define SDIO_STA_CCRCFAIL		(1 << 0)
#define SDIO_ICR_CEATAENDC		(1 << 23)
#define SDIO_ICR_SDIOITC		(1 << 22)
#define SDIO_ICR_DBCKENDC		(1 << 10)
#define SDIO_ICR_STBITERRC		(1 << 9)
#define SDIO_ICR_DATAENDC		(1 << 8)
#define SDIO_ICR_CMDSENTC		(1 << 7)
#define SDIO_ICR_CMDRENDC		(1 << 6)
#define SDIO_ICR_RXOVERRC		(1 << 5)
#define SDIO_ICR_TXUNDERRC		(1 << 4)
#define SDIO_ICR_DTIMEOUTC		(1 << 3)
#define SDIO_ICR_CTIMEOUTC		(1 << 2)
#define SDIO_ICR_DCRCFAILC		(1 << 1)
#define SDIO_ICR_CCRCFAILC		(1 << 0)
#define SDIO_MASK_CEATAENDIE		(1 << 23)
#define SDIO_MASK_SDIOITIE		(1 << 22)
#define SDIO_MASK_RXDAVLIE		(1 << 21)
#define SDIO_MASK_TXDAVLIE		(1 << 20)
#define SDIO_MASK_RXFIFOEIE		(1 << 19)
#define SDIO_MASK_TXFIFOEIE		(1 << 18)
#define SDIO_MASK_RXFIFOFIE		(1 << 17)
#define SDIO_MASK_TXFIFOFIE		(1 << 16)
#define SDIO_MASK_RXFIFOHFIE		(1 << 15)
#define SDIO_MASK_TXFIFOHEIE		(1 << 14)
#define SDIO_MASK_RXACTIE		(1 << 13)
#define SDIO_MASK_TXACTIE		(1 << 12)
#define SDIO_MASK_CMDACTIE		(1 << 11)
#define SDIO_MASK_DBCKENDIE		(1 << 10)
#define SDIO_MASK_STBITERRIE		(1 << 9)
#define SDIO_MASK_DATAENDIE		(1 << 8)
#define SDIO_MASK_CMDSENTIE		(1 << 7)
#define SDIO_MASK_CMDRENDIE		(1 << 6)
#define SDIO_MASK_RXOVERRIE		(1 << 5)
#define SDIO_MASK_TXUNDERRIE		(1 << 4)
#define SDIO_MASK_DTIMEOUTIE		(1 << 3)
#define SDIO_MASK_CTIMEOUTIE		(1 << 2)
#define SDIO_MASK_DCRCFAILIE		(1 << 1)
#define SDIO_MASK_CCRCFAILIE		(1 << 0)

/* Timers */
#define TIM2_BASE (0x40000000)
#define TIM2_CR1  (*(volatile uint32_t *)(TIM2_BASE + 0x00))
#define TIM2_DIER (*(volatile uint32_t *)(TIM2_BASE + 0x0c))
#define TIM2_SR   (*(volatile uint32_t *)(TIM2_BASE + 0x10))
#define TIM2_CNT  (*(volatile uint32_t *)(TIM2_BASE + 0x24))
#define TIM2_PSC  (*(volatile uint32_t *)(TIM2_BASE + 0x28))
#define TIM2_ARR  (*(volatile uint32_t *)(TIM2_BASE + 0x2c))

#define TIM4_BASE (0x40000800)
#define TIM4_CR1    (*(volatile uint32_t *)(TIM4_BASE + 0x00))
#define TIM4_DIER   (*(volatile uint32_t *)(TIM4_BASE + 0x0c))
#define TIM4_SR     (*(volatile uint32_t *)(TIM4_BASE + 0x10))
#define TIM4_CCMR1  (*(volatile uint32_t *)(TIM4_BASE + 0x18))
#define TIM4_CCMR2  (*(volatile uint32_t *)(TIM4_BASE + 0x1c))
#define TIM4_CCER   (*(volatile uint32_t *)(TIM4_BASE + 0x20))
#define TIM4_PSC    (*(volatile uint32_t *)(TIM4_BASE + 0x28))
#define TIM4_ARR    (*(volatile uint32_t *)(TIM4_BASE + 0x2c))
#define TIM4_CCR4   (*(volatile uint32_t *)(TIM4_BASE + 0x40))

#define TIM_DIER_UIE (1 << 0)
#define TIM_SR_UIF   (1 << 0)
#define TIM_CR1_CLOCK_ENABLE (1 << 0)
#define TIM_CR1_UPD_RS       (1 << 2)
#define TIM_CR1_ARPE         (1 << 7)

#define TIM_CCER_CC4_ENABLE  (1 << 12)
#define TIM_CCMR1_OC1M_PWM1  (0x06 << 4)
#define TIM_CCMR2_OC4M_PWM1  (0x06 << 12)

#define AHB1_CLOCK_ER (*(volatile uint32_t *)(0x40023830))
#define GPIOD_AHB1_CLOCK_ER (1 << 3)

#define GPIOD_BASE 0x40020c00
#define GPIOD_MODE (*(volatile uint32_t *)(GPIOD_BASE + 0x00))
#define GPIOD_OTYPE (*(volatile uint32_t *)(GPIOD_BASE + 0x04))
#define GPIOD_PUPD (*(volatile uint32_t *)(GPIOD_BASE + 0x0c))
#define GPIOD_ODR  (*(volatile uint32_t *)(GPIOD_BASE + 0x14))

/* ADC */

#define ADC1_BASE       (0x40012000)
#define ADC_COM_BASE    (0x40012300)
#define ADC_COM_CCR     (*(volatile uint32_t *)(ADC_COM_BASE + 0x04))
#define ADC1_SR         (*(volatile uint32_t *)(ADC1_BASE + 0x00))
#define ADC1_CR1        (*(volatile uint32_t *)(ADC1_BASE + 0x04))
#define ADC1_CR2        (*(volatile uint32_t *)(ADC1_BASE + 0x08))
#define ADC1_SMPR1      (*(volatile uint32_t *)(ADC1_BASE + 0x0c))
#define ADC1_SMPR2      (*(volatile uint32_t *)(ADC1_BASE + 0x10))
#define ADC1_SQR3       (*(volatile uint32_t *)(ADC1_BASE + 0x34))
#define ADC1_DR         (*(volatile uint32_t *)(ADC1_BASE + 0x4c))
#define ADC_CR1_SCAN            (1 << 8)
#define ADC_CR2_EN              (1 << 0)
#define ADC_CR2_CONT            (1 << 1)
#define ADC_CR2_SWSTART         (1 << 30)
#define ADC_SR_EOC              (1 << 1)
#define ADC_SMPR_SMP_480CYC     (0x7)

/* Reboot */

#define AIRCR *(volatile uint32_t *)(0xE000ED0C)
#define AIRCR_VKEY (0x05FA << 16)
#   define AIRCR_SYSRESETREQ (1 << 2)

static inline void reboot(void)
{
    AIRCR = AIRCR_SYSRESETREQ | AIRCR_VKEY;
}



#endif