int main(void)
{
u8 R='b';
delay_init(72); //延时函数初始化
usart1_init(); //串口初始化
NRF24L01_Init(); //初始化NRF24L01
LED();
while(NRF24L01_Check()); //检查NRF24L01是否在位.
while(1)
{
NRF24L01_TX_Mode();
if(USART_GetFlagStatus(USART1, USART_FLAG_RXNE))
{
R =USART_ReceiveData(USART1);
USART_ClearFlag(USART1, USART_FLAG_TC);
USART_SendData(USART1, USART_ReceiveData(USART1));
USART_ClearFlag(USART1, USART_FLAG_RXNE);
}
NRF24L01_TxPacket(&R);
if(R=='a')
GPIO_ResetBits(GPIOE, GPIO_Pin_5); //PE=0,LED亮
if(R=='b')
GPIO_SetBits(GPIOE, GPIO_Pin_5); //PE=1,LED灭
}
}
//初始化24L01的IO口
void NRF24L01_Init(uint8_t mode)
{
gpio_out_pp_up_init(GPIOB, GPIO_Pin_7); //NRF24L01_CE初始化
spi_config(); //初始化SPI1
exti_config(GPIOB, 5);
NRF24L01_CE=0; //使能24L01
NRF24L01_CS=1; //SPI片选取消
while(NRF24L01_Check()){
printf("not found NRF24L01\r\n");
delay_ms(500);
}
printf("NRF24L01 init ok\r\n");
if(mode == NRF_RX_MODE){
nrf_state = RX_OK;
NRF24L01_RX_Mode();
}
else{
nrf_state = TX_OK;
NRF24L01_TX_Mode();
}
}
//任务0
void KEY0_TASK()
{
u8 key,mode;
u16 t=0;
u8 tmp_buf[33];
u8 key_buf[33] = "key0_pres";
LCD_Clear(WHITE);
Show_Str(50,50,200,24,"当前任务0 :",24,0);
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);
for(t=0; t<32; t++)
{
tmp_buf[t]=key_buf[t];
}
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);
}
}
