51單片機的nRF905無線發(fā)射接收程序

1、基于51單片機的nrf905無線發(fā)射接收程序無線發(fā)射程序：#include #include #define uchar unsigned char #define uint unsigned int/*定義命令字*#define wc 0x00 / write configuration register command#define rc 0x10 / read configuration register command#define wtp 0x20 / write tx payload command#define rtp 0x21 / read tx payload command

2、#define wta 0x22 / write tx address command#define rta 0x23/*管腳配置*sbit mosi=p16;sbit csn=p17;sbit sck=p10;sbit miso=p11;sbit trx_ce=p12;sbit txen=p13;sbit pwr=p14;sbit dr=p15;uchar txbuf4=0x03,0x04,0x05,0x06;uchar rfconfig10=0x4c,0x0e,0x44,0x04,0x04,0xe7,0xe7,0xe7,0xe7,0xde;/-void delay(uint x) uint

3、 i; for(i=0;ix;i+) _nop_(); /-void spiwrite(uchar dat) uchar i=8; while(i-) delay(10); sck=0; mosi=(bit)(dat&0x80); dat=1; delay(10); sck=1; delay(10); sck=0; sck=0;/-void txpacket(void) txen=1; trx_ce=1; csn=0; spiwrite(0x22); spiwrite(0xe7); spiwrite(0xe7); spiwrite(0xe7); spiwrite(0xe7); csn=1; _

4、nop_();_nop_(); csn=0; spiwrite(0x20); spiwrite(txbuf0); spiwrite(txbuf1); spiwrite(txbuf2); spiwrite(txbuf3); csn=1; _nop_();_nop_(); delay(50); while(!dr); trx_ce=0;/-void ini_system(void) uchar i; csn=1; sck=0; pwr=1; / pwr_up | trx_ce |txen | m o d e trx_ce=0; / 1 | 0 | 0 | spi programming txen=

5、0; _nop_(); csn=0; spiwrite(0x00); for(i=0;i=650us/-void main() ini_system(); while(1) setmode(); txpacket(); p2=p2; 無線接收程序：#include #include #define uchar unsigned char #define uint unsigned int#define wc 0x00 #define rc 0x10 #define wtp 0x20 #define rtp 0x21 #define wta 0x22 #define rta 0x23 #defi

6、ne rrp 0x24 sbit txen=p17;sbit trx_ce=p30;sbit pwr=p16;sbit miso=p10;sbit mosi=p13;sbit sck=p11;sbit csn=p12;sbit dr=p14;sbit cd=p15;sbit we=p37;sbit de=p36;unsigned int rxbuf4=0;unsigned char rfconfig10=0x4c,0x0e,0x44,0x04,0x04,0xe7,0xe7,0xe7,0xe7,0xde;void display(uint e,uint f,uint g,uint h);void

7、 delay(uint x) uint i; for(i=0;i0;b-)for(c=110;c0;c-);void spiwrite(uchar dat) uchar i=8; while(i-) delay(10); sck=0; mosi=(bit)(dat&0x80); dat=1; delay(10); sck=1; delay(10); sck=0; sck=0;unsigned char spiread(void) uchar i=8; uchar ddat; while(i-) ddat=1; sck=0; _nop_(); _nop_(); ddat|=miso; sck=1

8、; _nop_(); _nop_(); sck=0; return ddat;void rxpacket(void) unsigned char j=0; trx_ce=0; pwr=1; csn=0; _nop_(); spiwrite(rrp); for(j=0;j4;j+) rxbufj=spiread(); csn=1; trx_ce=1; while(!dr); void ini_system(void) uchar i; csn=1; sck=0; pwr=1; / pwr_up | trx_ce |txen | m o d e trx_ce=0; / 1 | 0 | 0 | sp

9、i programming txen=0; _nop_(); csn=0; _nop_(); spiwrite(wc); for(i=0;i=650usvoid display(uint e,uint f,uint g,uint h)uint code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;we=1;p0=0xfe;we=0;de=1;p0=tablee;de=0;dela(5);we=1;p0=0xfd;we=0;de=1;p0=tablef;de=0;dela(5);we=1;p0=0xfb;we=0;de=1;p0=tableg;de=0;dela(5);we=1