基于32的NRF24L01的无线通信
单片机源程序如下:
- #include "led.h"
- #include "delay.h"
- #include "sys.h"
- #include "key.h"
- #include "usart.h"
- #include "lcd.h"
- #include "touch.h"
- #include "24l01.h"
-
- //收发都做在一个函数里面,通过按键来确定进入发送模式,还是接收模式
- int main(void)
- {
- u8 key,mode;
- u16 t=0;
- u8 tmp_buf[33];
- SystemInit();
- delay_init(72); //延时初始化
- NVIC_Configuration();
- uart_init(9600);
- LED_Init();
- KEY_Init();
- LCD_Init();
- NRF24L01_Init(); //初始化NRF24L01
- POINT_COLOR=RED;//设置字体为红色
- LCD_ShowString(60,50,"Mini STM32");
- LCD_ShowString(60,70,"NRF24L01 TEST");
- LCD_ShowString(60,90,"ATOM@ALIENTEK");
- LCD_ShowString(60,110,"2011/1/1");
- while(NRF24L01_Check())//检测不到24L01
- {
- LCD_ShowString(60,130,"24L01 Check Failed!");
- delay_ms(500);
- LCD_ShowString(60,130,"Please Check! ");
- delay_ms(500);
- LED0=!LED0;//DS0闪烁
- }
- LCD_ShowString(60,130,"24L01 Ready!");
- LCD_ShowString(10,150,"KEY0:RX_Mode KEY1:TX_Mode");
- while(1)//在该部分确定进入哪个模式!
- {
- key=KEY_Scan();
- if(key==1)
- {
- mode=0;
- break;
- }else if(key==2)
- {
- mode=1;
- break;
- }
- t++;
- if(t==100) //闪烁显示提示信息
- {
- LCD_ShowString(10,150," ");//清空显示
- }
- if(t==200)
- {
- t=0;
- LCD_ShowString(10,150,"KEY0:RX_Mode KEY1:TX_Mode");
- }
- delay_ms(5);
- }
- LCD_Fill(10,150,240,166,WHITE);//清空上面的显示
- POINT_COLOR=BLUE;//设置字体为蓝色
- if(mode==0)//RX模式
- {
- LCD_ShowString(60,150,"NRF24L01 RX_Mode");
- LCD_ShowString(60,170,"Received DATA:");
- RX_Mode();
- while(1)
- {
- if(NRF24L01_RxPacket(tmp_buf)==0)//一旦接收到信息,则显示出来.
- {
- tmp_buf[32]=0;//加入字符串结束符
- LCD_ShowString(0,190,tmp_buf);
- }else delay_us(100);
- t++;
- if(t==10000)//大约1s钟改变一次状态
- {
- t=0;
- LED0=!LED0;
- }
- };
- }else//TX模式
- {
- LCD_ShowString(60,150,"NRF24L01 TX_Mode");
- TX_Mode();
- mode=' ';//从空格键开始
- while(1)
- {
- if(NRF24L01_TxPacket(tmp_buf)==TX_OK)
- {
- LCD_ShowString(60,170,"Sended DATA:");
- LCD_ShowString(0,190,tmp_buf);
- key=mode;
- for(t=0;t<32;t++)
- {
- key++;
- if(key>('~'))key=' ';
- tmp_buf[t]=key;
- }
- mode++;
- if(mode>'~')mode=' ';
- tmp_buf[32]=0;//加入结束符
- }else
- {
- LCD_ShowString(60,170,"Send Failed ");
- LCD_Fill(0,188,240,218,WHITE);//清空上面的显示
- };
- LED0=!LED0;
- delay_ms(1500);
- };
- }
- }
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所有资料51hei提供下载:
nrf24l01.7z
(230.7 KB, 下载次数: 33)
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