像51一樣操作STM32的IO

//-----------------------------------------------------------------------------------------------------
//別名區(qū) ADDRESS=0x4200 0000 + (0x0001 100C*0x20) + (bitx*4) ;bitx:第x位
// 把“位段地址＋位序號”轉(zhuǎn)換別名地址宏
#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
//把該地址轉(zhuǎn)換成一個指針
#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
#define BIT_ADDR(addr, bitnum) MEM_ADDR( BITBAND(addr, bitnum) )
#define GPIOA_ODR_Addr (GPIOA_BASE+12) //0x4001080C
#define GPIOB_ODR_Addr (GPIOB_BASE+12) //0x40010C0C
#define GPIOC_ODR_Addr (GPIOC_BASE+12) //0x4001100C
#define GPIOD_ODR_Addr (GPIOD_BASE+12) //0x4001140C
#define GPIOE_ODR_Addr (GPIOE_BASE+12) //0x4001180C
#define GPIOA_IDR_Addr (GPIOA_BASE+8) //0x40010808
#define GPIOB_IDR_Addr (GPIOB_BASE+8) //0x40010C08
#define GPIOC_IDR_Addr (GPIOC_BASE+8) //0x40011008
#define GPIOD_IDR_Addr (GPIOD_BASE+8) //0x40011408
#define GPIOE_IDR_Addr (GPIOE_BASE+8) //0x40011808
//-----------------------------------------------------
#define PA0 BIT_ADDR(GPIOA_ODR_Addr, 0) //輸出
#define PA1 BIT_ADDR(GPIOA_ODR_Addr, 1) //輸出
#define PA2 BIT_ADDR(GPIOA_ODR_Addr, 2) //輸出
#define PA3 BIT_ADDR(GPIOA_ODR_Addr, 3) //輸出
#define PA4 BIT_ADDR(GPIOA_ODR_Addr, 4) //輸出
#define PA5 BIT_ADDR(GPIOA_ODR_Addr, 5) //輸出
#define PA6 BIT_ADDR(GPIOA_ODR_Addr, 6) //輸出
#define PA7 BIT_ADDR(GPIOA_ODR_Addr, 7) //輸出
#define PA8 BIT_ADDR(GPIOA_ODR_Addr, 8) //輸出
#define PA9 BIT_ADDR(GPIOA_ODR_Addr, 9) //輸出
#define PA10 BIT_ADDR(GPIOA_ODR_Addr, 10) //輸出
#define PA11 BIT_ADDR(GPIOA_ODR_Addr, 11) //輸出
#define PA12 BIT_ADDR(GPIOA_ODR_Addr, 12) //輸出
#define PA13 BIT_ADDR(GPIOA_ODR_Addr, 13) //輸出
#define PA14 BIT_ADDR(GPIOA_ODR_Addr, 14) //輸出
#define PA15 BIT_ADDR(GPIOA_ODR_Addr, 15) //輸出
#define PA0in BIT_ADDR(GPIOA_IDR_Addr, 0) //輸入
#define PA1in BIT_ADDR(GPIOA_IDR_Addr, 1) //輸入
#define PA2in BIT_ADDR(GPIOA_IDR_Addr, 2) //輸入
#define PA3in BIT_ADDR(GPIOA_IDR_Addr, 3) //輸入
#define PA4in BIT_ADDR(GPIOA_IDR_Addr, 4) //輸入
#define PA5in BIT_ADDR(GPIOA_IDR_Addr, 5) //輸入
#define PA6in BIT_ADDR(GPIOA_IDR_Addr, 6) //輸入
#define PA7in BIT_ADDR(GPIOA_IDR_Addr, 7) //輸入
#define PA8in BIT_ADDR(GPIOA_IDR_Addr, 8) //輸入
#define PA9in BIT_ADDR(GPIOA_IDR_Addr, 9) //輸入
#define PA10in BIT_ADDR(GPIOA_IDR_Addr, 10) //輸入
#define PA11in BIT_ADDR(GPIOA_IDR_Addr, 11) //輸入
#define PA12in BIT_ADDR(GPIOA_IDR_Addr, 12) //輸入
#define PA13in BIT_ADDR(GPIOA_IDR_Addr, 13) //輸入
#define PA14in BIT_ADDR(GPIOA_IDR_Addr, 14) //輸入
#define PA15in BIT_ADDR(GPIOA_IDR_Addr, 15) //輸入
//-----------------------------------------------------
#define PB0 BIT_ADDR(GPIOB_ODR_Addr, 0) //輸出
#define PB1 BIT_ADDR(GPIOB_ODR_Addr, 1) //輸出
#define PB2 BIT_ADDR(GPIOB_ODR_Addr, 2) //輸出
#define PB3 BIT_ADDR(GPIOB_ODR_Addr, 3) //輸出
#define PB4 BIT_ADDR(GPIOB_ODR_Addr, 4) //輸出
#define PB5 BIT_ADDR(GPIOB_ODR_Addr, 5) //輸出
#define PB6 BIT_ADDR(GPIOB_ODR_Addr, 6) //輸出
#define PB7 BIT_ADDR(GPIOB_ODR_Addr, 7) //輸出
#define PB8 BIT_ADDR(GPIOB_ODR_Addr, 8) //輸出
#define PB9 BIT_ADDR(GPIOB_ODR_Addr, 9) //輸出
#define PB10 BIT_ADDR(GPIOB_ODR_Addr, 10) //輸出
#define PB11 BIT_ADDR(GPIOB_ODR_Addr, 11) //輸出
#define PB12 BIT_ADDR(GPIOB_ODR_Addr, 12) //輸出
#define PB13 BIT_ADDR(GPIOB_ODR_Addr, 13) //輸出
#define PB14 BIT_ADDR(GPIOB_ODR_Addr, 14) //輸出
#define PB15 BIT_ADDR(GPIOB_ODR_Addr, 15) //輸出
#define PB0in BIT_ADDR(GPIOB_IDR_Addr, 0) //輸入
#define PB1in BIT_ADDR(GPIOB_IDR_Addr, 1) //輸入
#define PB2in BIT_ADDR(GPIOB_IDR_Addr, 2) //輸入
#define PB3in BIT_ADDR(GPIOB_IDR_Addr, 3) //輸入
#define PB4in BIT_ADDR(GPIOB_IDR_Addr, 4) //輸入
#define PB5in BIT_ADDR(GPIOB_IDR_Addr, 5) //輸入
#define PB6in BIT_ADDR(GPIOB_IDR_Addr, 6) //輸入
#define PB7in BIT_ADDR(GPIOB_IDR_Addr, 7) //輸入
#define PB8in BIT_ADDR(GPIOB_IDR_Addr, 8) //輸入
#define PB9in BIT_ADDR(GPIOB_IDR_Addr, 9) //輸入
#define PB10in BIT_ADDR(GPIOB_IDR_Addr, 10) //輸入
#define PB11in BIT_ADDR(GPIOB_IDR_Addr, 11) //輸入
#define PB12in BIT_ADDR(GPIOB_IDR_Addr, 12) //輸入
#define PB13in BIT_ADDR(GPIOB_IDR_Addr, 13) //輸入
#define PB14in BIT_ADDR(GPIOB_IDR_Addr, 14) //輸入
#define PB15in BIT_ADDR(GPIOB_IDR_Addr, 15) //輸入
//----------------------------------------------------
#define PC0 BIT_ADDR(GPIOC_ODR_Addr, 0) //輸出
#define PC1 BIT_ADDR(GPIOC_ODR_Addr, 1) //輸出
#define PC2 BIT_ADDR(GPIOC_ODR_Addr, 2) //輸出
#define PC3 BIT_ADDR(GPIOC_ODR_Addr, 3) //輸出
#define PC4 BIT_ADDR(GPIOC_ODR_Addr, 4) //輸出
#define PC5 BIT_ADDR(GPIOC_ODR_Addr, 5) //輸出
#define PC6 BIT_ADDR(GPIOC_ODR_Addr, 6) //輸出
#define PC7 BIT_ADDR(GPIOC_ODR_Addr, 7) //輸出
#define PC8 BIT_ADDR(GPIOC_ODR_Addr, 8) //輸出
#define PC9 BIT_ADDR(GPIOC_ODR_Addr, 9) //輸出
#define PC10 BIT_ADDR(GPIOC_ODR_Addr, 10) //輸出
#define PC11 BIT_ADDR(GPIOC_ODR_Addr, 11) //輸出
#define PC12 BIT_ADDR(GPIOC_ODR_Addr, 12) //輸出
#define PC13 BIT_ADDR(GPIOC_ODR_Addr, 13) //輸出
#define PC14 BIT_ADDR(GPIOC_ODR_Addr, 14) //輸出
#define PC15 BIT_ADDR(GPIOC_ODR_Addr, 15) //輸出
#define PC0in BIT_ADDR(GPIOC_IDR_Addr, 0) //輸入
#define PC1in BIT_ADDR(GPIOC_IDR_Addr, 1) //輸入
#define PC2in BIT_ADDR(GPIOC_IDR_Addr, 2) //輸入
#define PC3in BIT_ADDR(GPIOC_IDR_Addr, 3) //輸入
#define PC4in BIT_ADDR(GPIOC_IDR_Addr, 4) //輸入
#define PC5in BIT_ADDR(GPIOC_IDR_Addr, 5) //輸入
#define PC6in BIT_ADDR(GPIOC_IDR_Addr, 6) //輸入
#define PC7in BIT_ADDR(GPIOC_IDR_Addr, 7) //輸入
#define PC8in BIT_ADDR(GPIOC_IDR_Addr, 8) //輸入
#define PC9in BIT_ADDR(GPIOC_IDR_Addr, 9) //輸入
#define PC10in BIT_ADDR(GPIOC_IDR_Addr, 10) //輸入
#define PC11in BIT_ADDR(GPIOC_IDR_Addr, 11) //輸入
#define PC12in BIT_ADDR(GPIOC_IDR_Addr, 12) //輸入
#define PC13in BIT_ADDR(GPIOC_IDR_Addr, 13) //輸入
#define PC14in BIT_ADDR(GPIOC_IDR_Addr, 14) //輸入
#define PC15in BIT_ADDR(GPIOC_IDR_Addr, 15) //輸入
//----------------------------------------------------
#define PD0 BIT_ADDR(GPIOD_ODR_Addr, 0) //輸出
#define PD1 BIT_ADDR(GPIOD_ODR_Addr, 1) //輸出
#define PD2 BIT_ADDR(GPIOD_ODR_Addr, 2) //輸出
#define PD3 BIT_ADDR(GPIOD_ODR_Addr, 3) //輸出
#define PD4 BIT_ADDR(GPIOD_ODR_Addr, 4) //輸出
#define PD5 BIT_ADDR(GPIOD_ODR_Addr, 5) //輸出
#define PD6 BIT_ADDR(GPIOD_ODR_Addr, 6) //輸出
#define PD7 BIT_ADDR(GPIOD_ODR_Addr, 7) //輸出
#define PD8 BIT_ADDR(GPIOD_ODR_Addr, 8) //輸出
#define PD9 BIT_ADDR(GPIOD_ODR_Addr, 9) //輸出
#define PD10 BIT_ADDR(GPIOD_ODR_Addr, 10) //輸出
#define PD11 BIT_ADDR(GPIOD_ODR_Addr, 11) //輸出
#define PD12 BIT_ADDR(GPIOD_ODR_Addr, 12) //輸出
#define PD13 BIT_ADDR(GPIOD_ODR_Addr, 13) //輸出
#define PD14 BIT_ADDR(GPIOD_ODR_Addr, 14) //輸出
#define PD15 BIT_ADDR(GPIOD_ODR_Addr, 15) //輸出
#define PD0in BIT_ADDR(GPIOD_IDR_Addr, 0) //輸入
#define PD1in BIT_ADDR(GPIOD_IDR_Addr, 1) //輸入
#define PD2in BIT_ADDR(GPIOD_IDR_Addr, 2) //輸入
#define PD3in BIT_ADDR(GPIOD_IDR_Addr, 3) //輸入
#define PD4in BIT_ADDR(GPIOD_IDR_Addr, 4) //輸入
#define PD5in BIT_ADDR(GPIOD_IDR_Addr, 5) //輸入
#define PD6in BIT_ADDR(GPIOD_IDR_Addr, 6) //輸入
#define PD7in BIT_ADDR(GPIOD_IDR_Addr, 7) //輸入
#define PD8in BIT_ADDR(GPIOD_IDR_Addr, 8) //輸入
#define PD9in BIT_ADDR(GPIOD_IDR_Addr, 9) //輸入
#define PD10in BIT_ADDR(GPIOD_IDR_Addr, 10) //輸入
#define PD11in BIT_ADDR(GPIOD_IDR_Addr, 11) //輸入
#define PD12in BIT_ADDR(GPIOD_IDR_Addr, 12) //輸入
#define PD13in BIT_ADDR(GPIOD_IDR_Addr, 13) //輸入
#define PD14in BIT_ADDR(GPIOD_IDR_Addr, 14) //輸入
#define PD15in BIT_ADDR(GPIOD_IDR_Addr, 15) //輸入
//----------------------------------------------------
#define PE0 BIT_ADDR(GPIOE_ODR_Addr, 0) //輸出
#define PE1 BIT_ADDR(GPIOE_ODR_Addr, 1) //輸出
#define PE2 BIT_ADDR(GPIOE_ODR_Addr, 2) //輸出
#define PE3 BIT_ADDR(GPIOE_ODR_Addr, 3) //輸出
#define PE4 BIT_ADDR(GPIOE_ODR_Addr, 4) //輸出
#define PE5 BIT_ADDR(GPIOE_ODR_Addr, 5) //輸出
#define PE6 BIT_ADDR(GPIOE_ODR_Addr, 6) //輸出
#define PE7 BIT_ADDR(GPIOE_ODR_Addr, 7) //輸出
#define PE8 BIT_ADDR(GPIOE_ODR_Addr, 8) //輸出
#define PE9 BIT_ADDR(GPIOE_ODR_Addr, 9) //輸出
#define PE10 BIT_ADDR(GPIOE_ODR_Addr, 10) //輸出
#define PE11 BIT_ADDR(GPIOE_ODR_Addr, 11) //輸出
#define PE12 BIT_ADDR(GPIOE_ODR_Addr, 12) //輸出
#define PE13 BIT_ADDR(GPIOE_ODR_Addr, 13) //輸出
#define PE14 BIT_ADDR(GPIOE_ODR_Addr, 14) //輸出
#define PE15 BIT_ADDR(GPIOE_ODR_Addr, 15) //輸出
#define PE0in BIT_ADDR(GPIOE_IDR_Addr, 0) //輸入
#define PE1in BIT_ADDR(GPIOE_IDR_Addr, 1) //輸入
#define PE2in BIT_ADDR(GPIOE_IDR_Addr, 2) //輸入
#define PE3in BIT_ADDR(GPIOE_IDR_Addr, 3) //輸入
#define PE4in BIT_ADDR(GPIOE_IDR_Addr, 4) //輸入
#define PE5in BIT_ADDR(GPIOE_IDR_Addr, 5) //輸入
#define PE6in BIT_ADDR(GPIOE_IDR_Addr, 6) //輸入
#define PE7in BIT_ADDR(GPIOE_IDR_Addr, 7) //輸入
#define PE8in BIT_ADDR(GPIOE_IDR_Addr, 8) //輸入
#define PE9in BIT_ADDR(GPIOE_IDR_Addr, 9) //輸入
#define PE10in BIT_ADDR(GPIOE_IDR_Addr, 10) //輸入
#define PE11in BIT_ADDR(GPIOE_IDR_Addr, 11) //輸入
#define PE12in BIT_ADDR(GPIOE_IDR_Addr, 12) //輸入
#define PE13in BIT_ADDR(GPIOE_IDR_Addr, 13) //輸入
#define PE14in BIT_ADDR(GPIOE_IDR_Addr, 14) //輸入
#define PE15in BIT_ADDR(GPIOE_IDR_Addr, 15) //輸入
//舉例:
//輸出
PA0=0;
PA1=1;
//輸入
if(PB0==0)
;//檢測到低電平