void Receiver(void)
{
unsigned char i=0;
TXEN = 0;
TRX_CE = 1; //进入接收模式
while(DR == 0) //DR=0表示数据未准备好，等待
;
TRX_CE=0; //进入待机模式才可读写SPI
RACSN = 0; //内部SPI开始等待命令（1到0的跳变）
SpiReadWrite(RRP);
/*
while(DR == 1)
{ UART_BUFFER[i] = SpiReadWrite(0);
i++;
}
*/
UART_BUFFER[0] = SpiReadWrite(0);
for(i=1;i<=UART_BUFFER[0];i++) //****修改处*****
{
UART_BUFFER[i] = SpiReadWrite(0);
}
P04 = ~P04;
RACSN = 1;
// TRX_CE = 1; //这时MCU才从SPI读数据
}
void TransmitPacket(unsigned char b)
{
RACSN = 0;
SpiReadWrite(WTP);
SpiReadWrite(b);
RACSN = 1;
TRX_CE = 1;
Delay400us(1);
TRX_CE = 0;
}
void Init(void)
{
unsigned char tmp;
unsigned char cklf;
//serial port
TH1 = 243; // 19200@16MHz (when T1M=1 and SMOD=1)
CKCON |= 0x10; // T1M=1 (/4 timer clock)
PCON = 0x80; // SMOD=1 (double baud rate)
//SCON = 0x52; // Serial mode1, enable receiver
SCON = 0x72; // Serial mode1, rx+tx
TMOD = 0x20; // Timer1 8bit auto reload
TR1 = 1; // Start timer1
P0_ALT |= 0x06; // Select alternate functions on pins P0.1 and P0.2
P0_DIR |= 0x02; // P0.1 (RxD) is input
SPICLK = 0; // Max SPI clock
SPI_CTRL = 0x02; // Connect internal SPI controller to Radio
// Switch to 16MHz clock:
RACSN = 0;
SpiReadWrite(RRC | 0x09);
cklf = SpiReadWrite(0) | 0x04;
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x09);
SpiReadWrite(cklf);
RACSN = 1;
#if 1
//RF
//P0_ALT = 0x00;
//P0_DIR = 0xFF;
//SPICLK = 0; // Max SPI clock
//SPI_CTRL = 0x02; // Connect internal SPI controller to Radio
// Configure Radio:
RACSN = 0;
SpiReadWrite(WRC | 0x03); // Write to RF config address 3 (RX payload)
SpiReadWrite(0x01); // One byte RX payload
SpiReadWrite(0x01); // One byte TX payload
RACSN = 1;
RACSN = 0;
SpiReadWrite(RRC | 0x01); // Read RF config address 1
tmp = SpiReadWrite(0) & 0xf1; // Clear the power and frequency setting bits
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x01); // Write RF config address 1
// Change power defined by POWER and to 433 or 868/915MHz defined by HFREQ above:
SpiReadWrite(tmp | (POWER <<2) | (HFREQ << 1));
RACSN = 1;
#endif
}
void Init(void) //nRF9E5无线模块初始化
{
unsigned char tmp,cklf;
SPICLK = 0; // Max SPI clock
SPI_CTRL = 0x02; // Connect internal SPI controller to Radio
// Configure Radio:
RACSN = 0;
SpiReadWrite(WRC | 0x03); // Write to RF config address 3 (RX payload)
SpiReadWrite(0x01); // One byte RX payload
SpiReadWrite(0x01); // One byte TX payload
RACSN = 1;
RACSN = 0;
SpiReadWrite(RRC | 0x01); // Read RF config address 1
tmp = SpiReadWrite(0) & 0xf1; // Clear the power and frequency setting bits
//PA_PWR[1:0]=00(输出电源-10dBm）Bit1：HFREQ_PLL=0（433MHz)
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x01); // Write RF config address 1
SpiReadWrite(tmp | (HFREQ << 1)); // Change to 433 or 868/915MHz defined by HFREQ above:
RACSN = 1;
// 将时钟频率改为16MHz:
RACSN = 0;
SpiReadWrite(RRC | 0x09);
cklf = SpiReadWrite(0) | 0x1c;
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x09);
SpiReadWrite(cklf);
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x05); //设置本接收器可接受的地址,与tx433里的配置一样才可通信
SpiReadWrite(0x18);
SpiReadWrite(0x32);
SpiReadWrite(0x40);
SpiReadWrite(0xAF);
RACSN = 1;
RACSN = 0;
SpiReadWrite(WRC | 0x03); //设置本接收器可接受的数据宽度,与tx433里的配置一样才可通信
SpiReadWrite(0x20); //接受数据宽度为32个字节
RACSN = 1;
}
U8 radio_hal_SpiReadByte(void)
{
return SpiReadWrite(0xFF);
}
void radio_hal_SpiWriteByte(U8 byteToWrite)
{
SpiReadWrite(byteToWrite);
}
