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实验33 NRF24L01无线通信实验改.rar
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- #include "sys.h"
- #include "delay.h"
- #include "usart.h"
- #include "led.h"
- #include "lcd.h"
- #include "spi.h"
- #include "key.h"
- #include "24l01.h"
- //ALIENTEK 探索者STM32F407开发板 实验33
- //NRF24L02无线通信实验-库函数版本
-
- //要写入到W25Q16的字符串数组
- const u8 TEXT_Buffer[]={"Explorer STM32F4 SPI TEST"};
- #define SIZE sizeof(TEXT_Buffer)
-
- int main(void)
- {
- u8 key,mode;
- u16 t=0;
- u8 tmp_buf[33];
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置系统中断优先级分组2
- delay_init(168); //初始化延时函数
- uart_init(115200); //初始化串口波特率为115200
- LED_Init(); //初始化LED
- LCD_Init(); //LCD初始化
- KEY_Init(); //按键初始化
- NRF24L01_Init(); //初始化NRF24L01
- POINT_COLOR=RED;//设置字体为红色
- LCD_ShowString(30,50,200,16,16,"Explorer STM32F4");
- LCD_ShowString(30,70,200,16,16,"NRF24L01 TEST");
- LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");
- LCD_ShowString(30,110,200,16,16,"2017/8/5");
- while(NRF24L01_Check())
- {
- LCD_ShowString(30,130,200,16,16,"NRF24L01 Error");
- delay_ms(200);
- LCD_Fill(30,130,239,130+16,WHITE);
- delay_ms(200);
- }
- LCD_ShowString(30,130,200,16,16,"NRF24L01 OK");
- while(1)
- {
- key=KEY_Scan(0);
- if(key==KEY0_PRES)
- {
- mode=0;
- break;
- }else if(key==KEY1_PRES)
- {
- mode=1;
- break;
- }
- t++;
- if(t==100)LCD_ShowString(10,150,230,16,16,"KEY0:RX_Mode KEY1:TX_Mode"); //闪烁显示提示信息
- if(t==200)
- {
- LCD_Fill(10,150,230,150+16,WHITE);
- t=0;
- }
- 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(30,150,200,16,16,"NRF24L01 RX_Mode");
- LCD_ShowString(30,170,200,16,16,"Received DATA:");
- NRF24L01_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,lcddev.width-1,32,16,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(30,150,200,16,16,"NRF24L01 TX_Mode");
- NRF24L01_TX_Mode();
- mode=' ';//从空格键开始
- while(1)
- {
- if(NRF24L01_TxPacket(tmp_buf)==TX_OK)
- {
- LCD_ShowString(30,170,239,32,16,"Sended DATA:");
- LCD_ShowString(0,190,lcddev.width-1,32,16,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_Fill(0,170,lcddev.width,170+16*3,WHITE);//清空显示
- LCD_ShowString(30,170,lcddev.width-1,32,16,"Send Failed ");
- };
- LED0=!LED0;
- delay_ms(1500);
- };
- }
-
- }
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