nRF905程序.txt

发送: #include #include #include“delay.h“ #include“lcd_init.h“ #pragma interrupt_handler timer0_ovf_isr:10 #define uint unsigned int #define uchar unsigned char #define data7 (data_buf uint cnt=0,miao=0; /-发送数据缓冲区- unsigned char txrxbuf5= 0x00 ; unsigned char txrxbuf1=“fuck u!“; /-nrf905寄存器配置- unsigned char rfconf11= 0x00, /配置命令/ 0x4c, /ch_no,配置频段在430mhz 0x0c, /输出功率为10db,不重发，节电为正常模式 0x44, /地址宽度设置，为4字节 0x04,0x04, /接收发送有效数据长度为32字节 0xcc,0xcc,0xcc,0xcc, /接收地址 0x58, /crc充许，8位crc校验，外部时钟信号不使能，16m晶振 ; uchar txaddress4=0xcc,0xcc,0xcc,0xcc; /-延时- /-spi读函数- unsigned char spiread(void) unsigned char j; for (j=0;j=650us) /-设置发送状态- void setrxmode(void) txen_0; trx_ce_1; delay_ms(1); / delay for mode change(=650us) /-判断数据接收状态- unsigned char checkdr(void) /检查是否有新数据传入 data ready ddrb=(0检查是否已存在同频率载波 if (cd=1) return 1; else return 0; void timer0_init(void) tcnt0 = 0x83; /1ms tccr0 = 0x03; /64 timsk = 0x01; void timer0_ovf_isr(void) tcnt0 = 0x83; cnt+; if(cnt=1000) miao+; cnt=0; if(miao59) miao=0; /- void main(void) uchar i; ddrb=0xf7; ddra=0x00; timer0_init(); sreg=0x80; nrf905init(); config905(); lcd_init(); while(1) txrxbuf0=miao/10; txrxbuf1=miao%10; txrxbuf2=cnt/100; txrxbuf3=cnt/10%10; txrxbuf4=cnt%10; lcd_write_char(0,0,num1txrxbuf0); lcd_write_char(1,0,num1txrxbuf1); lcd_write_char(2,0,:); lcd_write_char(3,0,num1txrxbuf2); lcd_write_char(4,0,num1txrxbuf3); lcd_write_char(5,0,num1txrxbuf4); lcd_write_string(0,1,txrxbuf1); settxmode();/ set nrf905 in tx mode txpacket(txrxbuf);/ send data by nrf905 /txpacket(txrxbuf1); 接收: #include #include #include“delay.h“ #include“lcd_init.h“ /-配置口定义- #define data7 (data_buf /-发送数据缓冲区- unsigned char txrxbuf5; unsigned char txrxbuf1; /-nrf905寄存器配置- unsigned char rfconf11= 0x00, /配置命令/ 0x4c, /ch_no,配置频段在430mhz 0x0c, /输出功率为10db,不重发，节电为正常模式 0x44, /地址宽度设置，为4字节 0x04,0x04, /接收发送有效数据长度为32字节 0xcc,0xcc,0xcc,0xcc, /接收地址 0x58, /crc充许，8位crc校验，外部时钟信号不使能，16m晶振 ; uchar txaddress4=0xcc,0xcc,0xcc,0xcc; char tf; /-延时- /-spi读函数- unsigned char spiread(void) unsigned char j; for (j=0;j=650us) /-设置发送状态- void setrxmode(void) txen_0; trx_ce_1; delay_ms(1); / delay for mode change(=650us) /-判断数据接收状态- unsigned char checkdr(void) /检查是否有新数据传入 data ready ddrb=(0检查是否已存在同频率载波 if (cd=1) return 1; else return 0; /- void main(void) uchar i; ddrb=0xf7; ddra=0x00; ddrc=0xff; nrf905init(); config905(); lcd_init(); while(1) rx(); lcd_write_char(0,0,num1txrxbuf0); w_12864(1,num1txrxbuf1); w_12864(1,:); w_