NRF2401无线通信模块ATMEGA16示例代码

//包含所需头文件
#include <ioM16v.h>
#include <macros.h>

/*------宏定义------*/
#define uchar unsigned char
#define BYTE    unsigned char
#define uint unsigned int

#define  clear_CE  PORTA&=0xfb
#define  set_CE  PORTA|=0x04
//A2--CE
#define  clear_CSN  PORTA&=0xdf
#define  set_CSN   PORTA|=0x20
//A5--CSN
#define  clear_SCK  PORTA&=0xfd
#define  set_SCK   PORTA|=0x02
//A1--SCK
#define  clear_MOSI  PORTA&=0xbf
#define  set_MOSI   PORTA|=0x40
//A6--MOSI
#define  MISO      PINA&0x01
//A0--MISO

#define  IRQ  PINA&0x80  //这个脚接到中断，收到数据就就会中断

#define  LED_on  PORTC|=0x02
#define  LED_off  PORTC&=0xfd
// SPI(nRF24L01) commands
#define READ_REG 0x00 // Define read command to register

#define WRITE_REG 0x20 // Define write command to register
#define RD_RX_PLOAD 0x61 // Define RXpayload register address
#define WR_TX_PLOAD 0xA0 // Define TX payload register address
#define FLUSH_TX 0xE1 // Define flush TX register command
#define FLUSH_RX 0xE2 // Define flush RXregister command
#define REUSE_TX_PL 0xE3 // Define reuse TX payload register command
//#define NOP 0xFF // Define No Operation, might be used to read status register
//***************************************************//
// SPI(nRF24L01) registers(addresses)
#define CONFIG 0x00 // 'Config' register address
#define EN_AA 0x01 // 'Enable Auto Acknowledgment' register address
#define EN_RXADDR 0x02 // 'Enabled RXaddresses' register address
#define SETUP_AW 0x03 // 'Setup address width' register address
#define SETUP_RETR 0x04 // 'Setup Auto. Retrans' register address
#define RF_CH 0x05 // 'RF channel' register address
#define RF_SETUP 0x06 // 'RF setup' register address
#define STATUS 0x07 // 'Status' register address
#define OBSERVE_TX 0x08 // 'Observe TX' register address
#define CD 0x09 // 'Carrier Detect' register address
#define RX_ADDR_P0 0x0A // 'RX address pipe0' register address
#define RX_ADDR_P1 0x0B // 'RXaddress pipe1' register address
#define RX_ADDR_P2 0x0C // 'RXaddress pipe2' register address
#define RX_ADDR_P3 0x0D // 'RX address pipe3' register address
#define RX_ADDR_P4 0x0E // 'RX address pipe4' register address
#define RX_ADDR_P5 0x0F // 'RX address pipe5' register address
#define TX_ADDR    0x10 // 'TXaddress' register address
#define RX_PW_P0   0x11 // 'RX payload width, pipe0' register address
#define RX_PW_P1   0x12 // 'RX payload width, pipe1' register address
#define RX_PW_P2  0x13 // 'RX payload width, pipe2' register address
#define RX_PW_P3 0x14 // 'RX payload width, pipe3' register address