// ============================ Implementation =================================
void Si_t::Init(SPI_TypeDef* ASPI, const SiBitrate_t ABitrate, const SiBand_t ABand) {
GPIO_InitTypeDef GPIO_InitStructure;
// ==== Variables init ====
NewPacketReceived = false;
TX_Pkt.PacketID = 0;
// ==== Hardware init ====
FSPI = ASPI;
SPI_Setup(FSPI);
if (FSPI == SPI1) {
FGPIO = GPIOA;
SDN = GPIO_Pin_0; // Shutdown pin
NIRQ = GPIO_Pin_1; // IRQ pin
NSEL = GPIO_Pin_8; // CS pin
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
}
else if (FSPI == SPI2) {
FGPIO = GPIOB;
SDN = GPIO_Pin_11;
NIRQ = GPIO_Pin_10;
NSEL = GPIO_Pin_12;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
}
// Configure SDN & NSEL as Push Pull outputs
GPIO_InitStructure.GPIO_Pin = NSEL | SDN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(FGPIO, &GPIO_InitStructure);
// Configure NIRQ as Pull-up input
GPIO_InitStructure.GPIO_Pin = NIRQ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(FGPIO, &GPIO_InitStructure);
// ==== Init registers ====
SwitchOn();
Delay.ms(27); // Wait at least 27ms before any initialization SPI commands are sent to the radio
this->IRQsRead(); // Release nIRQ pin
SetMode (SI_MODE_RESET);// Perform reset of all registers
IRQWait(); // Wait for chip to become ready
RF_Config(ABitrate, ABand);
SetPower(7); // Maximum
//SetPower(0); // Minimum
IRQsSet(SI_IRQ1_NONE, SI_IRQ2_NONE);
}
void Analog_Setup(const UINT32 busClk)
{
TSPISetup aSPISetup;
aSPISetup.isMaster = bTRUE; // Master
aSPISetup.activeLowClock = bFALSE; // High clock
aSPISetup.evenEdgeClock = bTRUE; // Even
aSPISetup.LSBFirst = bFALSE; // MSB
aSPISetup.baudRate = 1000000; // 1 Mbit
NbAnalogInputs.l = 2;
NbAnalogOutputs.l = 2;
Element = 0;
SPI_Setup(&aSPISetup, busClk);
// No selection
PTH_PTH4 = 0;
PTH_PTH5 = 0;
PTH_PTH6 = 0;
}
void main(void)
{
// Sets up Timer A, clocks and pauses the watchdog timer
ARC_setup();
// Sets up peripherals for the ARCbus and initializes the tasking library. COMM I2C address as the argument
initARCbus(BUS_ADDR_COMM);
// Sets up the radios SPI
SPI_Setup();
// Set up the GDO interrupts for the radios and also the output pins for PA switches, use with engineering board
radio_interrupts();
Reset_Radio(CC1101); // Power up radio
__delay_cycles(8000);
Radio_Strobe(TI_CCxxx0_SIDLE, CC1101; // Initalize radio in Idle mode
//Radio_Strobe(TI_CCxxx0_SRX, CC2500); // Initialize CC2500 in Rx mode
Write_RF_Settings(CC1101); // Write RF settings to configure registers
Radio_Write_Burst_Registers(TI_CCxxx0_PATABLE, paTable_CC1101, paTableLen, CC1101); // Write PATABLE for CC1101
//Radio_Write_Burst_Registers(TI_CCxxx0_PATABLE, paTable_CC2500, paTableLen, CC2500); // Write PATABLE for CC2500
// Ports used to control RF amplifiers
P5SEL |= BIT6;
P5DIR |= BIT6;
//Set up LEDs 1-8 for testing
P7DIR |= BIT0;
P7DIR |= BIT1;
P7DIR |= BIT2;
P7DIR |= BIT3;
P7OUT = 0;
//Initialize UART
init_UCA1_UART();
// Initalizes bus interface
initARCbus(BUS_ADDR_COMM);
//Initialize stacks
memset(stack1,0xcd,sizeof(stack1)); //Write known values into stack
stack1[0] = stack1[sizeof(stack1)/sizeof(stack1[0]) - 1] = 0xfeed; //Create marker values at beginning and end of stack
//Initialize stacks
memset(stack2,0xcd,sizeof(stack2)); //Write known values into stack
stack2[0] = stack2[sizeof(stack2)/sizeof(stack2[0]) - 1] = 0xfeed; //Create marker values at beginning and end of stack
//Create tasks
ctl_task_run(&tasks[0],10,TXRX,NULL,"TXRX",sizeof(stack1)/sizeof(stack1[0]) - 2,stack1+1,0);
ctl_task_run(&tasks[1],1,sub_events,NULL,"sub_events",sizeof(stack2)/sizeof(stack2[0]) - 2,stack2+1,0);
data_length = 255;
// RxBufferLen = sizeof(RxBuffer); // Length of packet to be received This does not work for some reason
TxThrBytes = 30;
RxThrBytes = 32;
RxBufferLen = 258;
temp_count1 = 0;
temp_count2 = 0;
state = 0;
P2IFG = 0; // Clear flags
end = 0;
//printf("Radio State: %x \n\r", Radio_Read_Status(TI_CCxxx0_MARCSTATE,CC1101));
printf("Ready\r\n");
mainLoop();
}
uint8_t NRF24L01_Setup(uint8_t model, uint8_t channel)
{
GPIO_InitTypeDef GPIO_InitStructure;
#if USE_SPI_n == 1
RCC->APB2ENR |= RCC_APB2Periph_GPIOB;
#else
RCC->APB2ENR |= RCC_APB2Periph_GPIOC | RCC_APB2ENR_AFIOEN;
PWR_BackupAccessCmd(ENABLE);//允许修改RTC 和后备寄存器
RCC_LSEConfig(RCC_LSE_OFF);//关闭外部低速外部时钟信号功能 后，PC13 PC14 PC15 才可以当普通IO用。
PWR_BackupAccessCmd(DISABLE);//禁止修改后备寄存器
#endif
/*配置NRF的CE引脚*/
GPIO_InitStructure.GPIO_Pin = NRF_CE_PIN; //ce
GPIO_InitStructure.GPIO_Speed = NRF_CE_PORT_SPEED;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(NRF_CE_PORT, &GPIO_InitStructure);
/*配置NRF的IRQ引脚*/
GPIO_InitStructure.GPIO_Pin = NRF_IRQN_PIN;
GPIO_InitStructure.GPIO_Speed = NRF_IRQN_PORT_SPEED;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU ; //上拉输入
GPIO_Init(NRF_IRQN_PORT, &GPIO_InitStructure);
NRF_CE_L;
SPI_Setup();
delay_ms(100);
/////////////////////////////////////////////////////
uint8_t TX_ADDRESS[TX_ADR_WIDTH]= {0xE1,0xE2,0xE3,0xE4,0xE5}; //本地地址
uint8_t RX_ADDRESS[RX_ADR_WIDTH]= {0xE1,0xE2,0xE3,0xE4,0xE5}; //接收地址
NRF_SPI_WriteReg(NRF_W | SETUP_AW,RX_ADR_WIDTH-2); // 节点地址长度5 bytes
NRF_SPI_WriteBuf(NRF_W | RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH); // 写RX节点地址
NRF_SPI_WriteBuf(NRF_W | TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH); // 写TX节点地址
NRF_SPI_WriteReg(NRF_W | EN_AA,0x01); // 使能通道0的自动应答
if(NRF_SPI_ReadReg(EN_AA) != 0x01) return 0xFF; // 判断设备未连接
NRF_SPI_WriteReg(NRF_W | EN_RXADDR,0x01); // 使能通道0的接收地址
NRF_SPI_WriteReg(NRF_W | SETUP_RETR,0x11); // 设置自动重发间隔时间:500us;最大自动重发次数1次
NRF_SPI_WriteReg(NRF_W | RF_CH,channel); // 设置RF通道为CHANAL
NRF_SPI_WriteReg(NRF_W | RF_SETUP,0x0e); // 设置TX发射参数,-6db增益,2Mbps,低噪声增益开启
/////////////////////////////////////////////////////////
NRF_FlushBuffer(FLUSH_RX|FLUSH_TX);
if(model == MODEL_ONLY_RX){ // RX
NRF_SPI_WriteReg(NRF_W | RX_PW_P0,RX_PLOAD_WIDTH_MAX); // 选择通道0的有效数据宽度
NRF_SPI_WriteReg(NRF_W | CONFIG, 0x0f); // IRQ收发完成中断开启,16位CRC,主接收
}else if(model == MODEL_ONLY_TX){ // TX
NRF_SPI_WriteReg(NRF_W | RX_PW_P0,RX_PLOAD_WIDTH_MAX); // 选择通道0的有效数据宽度
NRF_SPI_WriteReg(NRF_W | CONFIG, 0x0e); // IRQ收发完成中断开启,16位CRC,主发送
}else if(model == MODEL_PRIM_RX){ // 主RX 伪双工
NRF_SPI_WriteReg(NRF_W | DYNPD,0x01);
NRF_SPI_WriteReg(NRF_W | FEATURE,0x07);
if(NRF_SPI_ReadReg(FEATURE) == 0x00){
NRF_SPI_WriteReg(LOCK_UNLOCK,0x73); // 打开附加功能
NRF_SPI_WriteReg(NRF_W | DYNPD,0x01);
NRF_SPI_WriteReg(NRF_W | FEATURE,0x07);
}
if(NRF_SPI_ReadReg(FEATURE) != 0x07) return 0xFE; // 判断模式是否支持
NRF_SPI_WriteReg(NRF_W | CONFIG, 0x0f); // IRQ收发完成中断开启,16位CRC,主接收
}else if(model == MODEL_PRIM_TX){ // 主TX 伪双工
NRF_SPI_WriteReg(NRF_W | DYNPD,0x01);
NRF_SPI_WriteReg(NRF_W | FEATURE,0x07);
if(NRF_SPI_ReadReg(FEATURE) == 0x00){
NRF_SPI_WriteReg(LOCK_UNLOCK,0x73); // 打开附加功能
NRF_SPI_WriteReg(NRF_W | DYNPD,0x01);
NRF_SPI_WriteReg(NRF_W | FEATURE,0x07);
}
if(NRF_SPI_ReadReg(FEATURE) != 0x07) return 0xFE; // 判断模式是否支持
NRF_SPI_WriteReg(NRF_W | CONFIG, 0x0e); // IRQ收发完成中断开启,16位CRC,主发送
}
__model = model;
NRF_CE_H; // 开始收发数据
delay_ms(3);
return 0x00;
}
