///////////////////////////////////////////////////////////////
//位带操作,实现51类似的GPIO控制功能
//具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).
//IO口操作宏定义
#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
#define MEM_ADDR(addr)*((volatile unsigned long*)(addr))
#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
//IO口地址映射
#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 GPIOF_ODR_Addr (GPIOF_BASE+12) //0x40011A0C
#define GPIOG_ODR_Addr (GPIOG_BASE+12) //0x40011E0C
#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 GPIOF_IDR_Addr (GPIOF_BASE+8) //0x40011A08
#define GPIOG_IDR_Addr (GPIOG_BASE+8) //0x40011E08
;
/* shine 改进版本 */
#define PIN(m,n) BIT_ADDR(GPIO##m##_BASE+8,n)
#define PORT(m,n) BIT_ADDR(GPIO##m##_BASE+12,n)
//IO口操作,只对单一的IO口!
//确保n的值小于16!
#define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n)//输出
#define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n)//输入
#define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n)//输出
#define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n)//输入
#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n)//输出
#define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n)//输入
#define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n)//输出
#define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n)//输入
#define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n)//输出
#define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n)//输入
#define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n)//输出
#define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n)//输入
#define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n)//输出
#define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n)//输入
// ********举例说明**********
//
//定义输入按键:
#define KEY1 PIN(C,3)
#define KEY2 PIN(A,0)
#define KEY3 PIN(A,1)
#define KEY4 PIN(A,2)
#define KEY5 PIN(A,3)
//定义输出功能;
#define SDI_5460 PORT(C,2)
#define SDO_5460 PIN(A,6)
#define SCLK_5460 PORT(A,5)
#define RST_5460 PORT(C,4)
#define CS_5460 PORT(A,4)
#define CS_U1 CS_5460
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