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- #ifndef _NRF_GPIO_H
- #define _NRF_GPIO_H
-
- #include "stm32f10x.h"
- #include "spi.h"
-
- //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
-
- //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
-
- //--------------------------------------------------------------
- // IO Port define
-
- #if 0
- #define SPI1_IRQ_Port GPIOA
- #define SPI1_IRQ_Pin GPIO_Pin_0
- #else
- #define SPI1_IRQ_Port GPIOB
- #define SPI1_IRQ_Pin GPIO_Pin_7
- #endif
-
-
- #define SPI1_CS_Port GPIOA //PORTA
- #define SPI1_CS_Pin GPIO_Pin_4
-
- #define SPI1_SCK_Port GPIOA
- #define SPI1_SCK_Pin GPIO_Pin_5
-
- #define SPI1_MISO_Port GPIOA
- #define SPI1_MISO_Pin GPIO_Pin_6
-
- #define SPI1_MOSI_Port GPIOA
- #define SPI1_MOSI_Pin GPIO_Pin_7
-
- #define SPI1_CE_Port GPIOB // PORTB
- #define SPI1_CE_Pin GPIO_Pin_6
-
- //----------------------------------------
- #define SPI2_CS_Port GPIOB
- #define SPI2_CS_Pin GPIO_Pin_12
-
- #define SPI2_SCK_Port GPIOB
- #define SPI2_SCK_Pin GPIO_Pin_13
-
- #define SPI2_MISO_Port GPIOB
- #define SPI2_MISO_Pin GPIO_Pin_14
-
- #define SPI2_MOSI_Port GPIOB
- #define SPI2_MOSI_Pin GPIO_Pin_15
-
- #define SPI2_CE_Port GPIOB
- #define SPI2_CE_Pin GPIO_Pin_9
-
- #define SPI2_IRQ_Port GPIOB
- #define SPI2_IRQ_Pin GPIO_Pin_8
-
-
- //SI24R1----SPI1 位操作
- #define SPI1_CE PBout(6) // SPI1 片选信号
- #define SPI1_CSN PAout(4) // SPI片选信号
- #if 0
- #define SPI1_IRQ PAin(0) // IRQ主机数据输入
- #else
- #define SPI1_IRQ PBin(7) // IRQ主机数据输入
- #endif
-
-
- //SI24R1----SPI2 位操作
- #define SPI2_CE PBout(9) // SPI1 片选信号
- #define SPI2_CSN PBout(12) // SPI片选信号
- #define SPI2_IRQ PBin(8) // IRQ主机数据输入
-
-
-
-
- #endif
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