/*
* 函数名：NRF_Rx_Dat
* 描述 ：用于从NRF的接收缓冲区中读出数据
* 输入 ：rxBuf：用于接收该数据的数组，外部定义
* 输出 ：接收结果，
* 调用 ：外部调用
*/
u8 NRF_Rx_Dat(u8 *rxbuf)
{
u8 state;
if( nrf_mode != RX_MODE)
{
NRF_RX_Mode();
}
NRF_CE_HIGH(); //进入接收状态
/*等待接收中断*/
while(NRF_Read_IRQ()!=0);
NRF_CE_LOW(); //进入待机状态
/*读取status寄存器的值 */
state=NRF_ReadReg(STATUS);
/* 清除中断标志*/
NRF_WriteReg(NRF_WRITE_REG+STATUS,state);
/*判断是否接收到数据*/
if(state & RX_DR) //接收到数据
{
NRF_ReadBuf(RD_RX_PLOAD,rxbuf,RX_PLOAD_WIDTH);//读取数据
NRF_WriteReg(FLUSH_RX,NOP); //清除RX FIFO寄存器
return RX_DR;
}
else
{
return ERROR; //没收到任何数据
}
}
/*
* 函数名：NRF_RX_Mode
* 描述 ：配置并进入接收模式
* 输入 ：无
* 输出 ：无
* 调用 ：外部调用
*/
void NRF_RX_Mode(void)
{
NRF_CE_LOW();
NRF_WriteReg(NRF_WRITE_REG+EN_AA,0x01); //使能通道0的自动应答
NRF_WriteReg(NRF_WRITE_REG+EN_RXADDR,0x01); //使能通道0的接收地址
NRF_WriteBuf(NRF_WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH);//写RX节点地址
NRF_WriteReg(NRF_WRITE_REG+CONFIG, 0x0B | (IS_CRC16<<2)); //配置基本工作模式的参数;PWR_UP,EN_CRC,16BIT_CRC,接收模式
#if 1
/* 清除中断标志*/
NRF_WriteReg(NRF_WRITE_REG+STATUS,0xff);
NRF_WriteReg(FLUSH_RX,NOP); //清除RX FIFO寄存器
#endif
/*CE拉高，进入接收模式*/
NRF_CE_HIGH();
nrf_mode = RX_MODE;
}
/**
* @brief Handle interrupt event
* @note Call this function, judge whether a payload is received
and processes received payload in EXTIx_IRQHandler()
* @param Pointer to nRF24L01P_Object
* @retval STATUS register in nRF24L01P.
*/
uint8_t NRF_IRQ_Handler(nRF24L01P_Object* nrf)
{
uint8_t status;
NRF_CS_LOW(nrf);
status = NRF_SPI_SendByte(nrf, NRF_NOP);
NRF_CS_HIGH(nrf);
if(EXTI_GetITStatus(nrf->EXTI_LINE) != RESET)
{
nrf->ReceivedPayload.Datapipe = NRF_STATUS_RX_P_NO(status);
if(status & NRF_STATUS_RX_DR)
{
NRF_GetPayload(nrf);
NRF_WriteReg(nrf, NRF_STATUS, NRF_STATUS_RX_DR);
}
if(status & NRF_STATUS_TX_DS)
{
NRF_WriteReg(nrf, NRF_STATUS, NRF_STATUS_TX_DS);
}
if(status & NRF_STATUS_MAX_RT)
{
NRF_Flush_TX(nrf);
NRF_WriteReg(nrf, NRF_STATUS, NRF_STATUS_MAX_RT);
}
EXTI_ClearITPendingBit(nrf->EXTI_LINE);
}
return status;
}
//由中断服务函数调用
void NRF_ISR_Tx_Handler(void)
{
if(isr_addr == NULL)
{
return; //无效
}
//检测发送结果
isr_state = NRF_ReadReg(STATUS); /*读取状态寄存器的值 */
NRF_WriteReg(NRF_WRITE_REG+STATUS,isr_state); /*清除TX_DS或MAX_RT中断标志*/
NRF_WriteReg(FLUSH_TX,NOP); //清除TX FIFO寄存器
if( (!(isr_state & TX_DS) ) || (isr_L==0) ) //如果发送不成功,或者已经发送完成，则结束
{
isr_addr = NULL; //通过判断 isr_addr 就知道是否发送完毕。
isr_L = 0; //isr_L就不一定了
return; //通过 isr_state 判断状态
}
//还没发送完成，就继续发送
isr_addr += MAX_ONCE_TX_NUM; //指向下一个地址
NRF_ISR_Tx_Dat_Once();
}
/**
* @brief Set RX address
* @note Automatically decide number of bytes to send.
* @param Pointer to nRF24L01P_Object
* @param Datapipe, 0 ~ 5 integer
* @param Address buffer pointer.
* @retval STATUS register in nRF24L01P.
*/
uint8_t NRF_SetRXAddr(nRF24L01P_Object* nrf, uint8_t Datapipe, uint8_t* Addr)
{
assert_param((Datapipe >= 0) && (Datapipe <= 5));
switch(Datapipe){
case 0:
memcpy(nrf->RX_Address_P0, Addr, nrf->AddressFieldWidth);
return NRF_WriteMultiByteReg(nrf, NRF_RX_ADDR_P0, Addr, nrf->AddressFieldWidth);
case 1:
memcpy(nrf->RX_Address_P1, Addr, nrf->AddressFieldWidth);
return NRF_WriteMultiByteReg(nrf, NRF_RX_ADDR_P1, Addr, nrf->AddressFieldWidth);
case 2:
nrf->RX_Address_P2 = *Addr;
return NRF_WriteReg(nrf, NRF_RX_ADDR_P2, *Addr);
case 3:
nrf->RX_Address_P3 = *Addr;
return NRF_WriteReg(nrf, NRF_RX_ADDR_P3, *Addr);
case 4:
nrf->RX_Address_P4 = *Addr;
return NRF_WriteReg(nrf, NRF_RX_ADDR_P4, *Addr);
case 5:
nrf->RX_Address_P5 = *Addr;
return NRF_WriteReg(nrf, NRF_RX_ADDR_P5, *Addr);
default:
return 0;
}
}
//传输一次，数据最长为 32字节
static u8 NRF_TX_Dat_Once(u8 *txbuf)
{
u8 state;
/*ce为低，进入待机模式1*/
NRF_CE_LOW();
/*写数据到TX BUF 最大 32个字节*/
NRF_WriteBuf(WR_TX_PLOAD,txbuf,MAX_ONCE_TX_NUM);
/*CE为高，txbuf非空，发送数据包 */
NRF_CE_HIGH();
/*等待发送完成中断 */
while(NRF_Read_IRQ()!=0);
/*读取状态寄存器的值 */
state = NRF_ReadReg(STATUS);
/*清除TX_DS或MAX_RT中断标志*/
NRF_WriteReg(NRF_WRITE_REG+STATUS,state);
NRF_WriteReg(FLUSH_TX,NOP); //清除TX FIFO寄存器
/*判断中断类型*/
return state;
}
/*=====================================================================================================*/
void NRF24L01_Init( u8 NRF_INIT_MODE )
{
NRF_CE = 0;
NRF_SetAddr(NRF_TX_ADDR, TX_ADDRESS); // 設定 TX 地址
NRF_SetAddr(NRF_RX_ADDR_P0, RX_ADDRESS); // 設定 RX 地址
NRF_WriteReg(CMD_W_REG | NRF_EN_AA, 0x01); // 致能通道0的自動應答
NRF_WriteReg(CMD_W_REG | NRF_EN_RXADDR, 0x01); // 致能 data Pipe 0 的接收地址
NRF_WriteReg(CMD_W_REG | NRF_SETUP_RETR, 0x1A); // 設定自動重發間隔時間:500us + 86us;最大自動重發次數:10次
NRF_SetChannel(NRF_CHANAL); // 設定傳輸通道(頻率)
NRF_SetDataRate(NRF_RATE_2Mbps); // 設定傳輸速率 2Mbps
NRF_WriteReg(CMD_W_REG | NRF_RX_PW_P0, NRF_TX_PL_WIDTH); // 設定通道0的有效數據寬度
switch(NRF_INIT_MODE) {
case NRF_MODE_TXOL:
NRF_WriteReg(CMD_W_REG | NRF_RX_PW_P0, NRF_TX_PL_WIDTH); // 設定通道0的有效數據寬度
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0E); // Power UP，Enable 16bit CRC，TX Mode，no mask
break;
case NRF_MODE_RXOL:
NRF_WriteReg(CMD_W_REG | NRF_RX_PW_P0, NRF_TX_PL_WIDTH); // 設定通道0的有效數據寬度
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0F); // Power UP，Enable 16bit CRC，RX Mode，no mask
break;
case NRF_MODE_FTLR:
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0E); // Power UP，Enable 16bit CRC，TX Mode，no mask
NRF_FlushRxFIFO();
NRF_FlushTxFIFO();
// SPI_RW(NRF_SPIx, 0x50);
// SPI_RW(NRF_SPIx, 0x73);
// NRF_WriteReg(CMD_W_REG | NRF_DYNPD, 0x01);
// NRF_WriteReg(CMD_W_REG | NRF_FEATURE, 0x07);
break;
case NRF_MODE_FRLT:
NRF_FlushRxFIFO();
NRF_FlushTxFIFO();
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0F); // Power UP，Enable 16bit CRC，RX Mode，no mask
// SPI_RW(NRF_SPIx, 0x50);
// SPI_RW(NRF_SPIx, 0x73);
// NRF_WriteReg(CMD_W_REG | NRF_DYNPD, 0x01);
// NRF_WriteReg(CMD_W_REG | NRF_FEATURE, 0x07);
break;
}
// NRF_WriteReg(CMD_RX_PL_WID, 0x73);
// NRF_WriteReg(CMD_W_REG | NRF_DYNPD, 0x01);
// NRF_WriteReg(CMD_W_REG | NRF_FEATURE, 0x07);
NRF_CE = 1;
while(NRF_Check()!=SUCCESS);
}
uint8_t NRF24L01_RxPacket(uint8_t *rxbuf)
{
uint8_t sta;//spi速度为9Mhz（24L01的最大SPI时钟为10Mhz）
sta= NRF_ReadReg(NRFRegSTATUS);//读取状态寄存器的值
NRF_WriteReg(NRF_WRITE_REG+NRFRegSTATUS, sta);//清除TX_DS或MAX_RT中断标志
if (sta & RX_OK)
{
NRF_ReadBuf(RD_RX_PLOAD, rxbuf, RX_PLOAD_WIDTH);//读取数据
NRF_WriteReg(FLUSH_RX, 0xff);//清除RX FIFO寄存器
return 1;
}
return 0;//没收到任何数据
}
//由中断服务函数调用
void NRF_ISR_Rx_Handler(void)
{
u8 state;
NRF_CE_LOW(); //进入待机状态
/*读取status寄存器的值 */
state=NRF_ReadReg(STATUS);
/* 清除中断标志*/
NRF_WriteReg(NRF_WRITE_REG+STATUS,state);
if(re_flag == QUEUE_FULL) //满了就直接清FIFO，退出
{
NRF_WriteReg(FLUSH_RX,NOP); //清除RX FIFO寄存器
NRF_CE_HIGH(); //进入接收模式
return; //接收队列满了，不进行处理
}
//还没满，则继续接收
/*判断是否接收到数据*/
if(state & RX_DR) //接收到数据
{
NRF_ReadBuf(RD_RX_PLOAD,(u8 *)&(RX_ISR_FIFO[rear]),RX_PLOAD_WIDTH); //读取数据
NRF_WriteReg(FLUSH_RX,NOP); //清除RX FIFO寄存器
rear++;
if(rear >= RX_ISR_FIFO_PACKET)
{
rear=0; //重头开始
}
if(rear == front) //追到屁股了，满了
{
re_flag = QUEUE_FULL;
}
else
{
re_flag = QUEUE_NORMAL;
}
}
else
{
//没收到任何数据
}
NRF_CE_HIGH(); //进入接收模式
}
/**
* @brief Get payload.
* @note
* @param Pointer to nRF24L01P_Object.
* @retval none.
*/
void NRF_GetPayload(nRF24L01P_Object* nrf)
{
uint8_t bytecnt;
/* Get payload width for following operations */
NRF_SPI_GetReceivedPayloadInfo(nrf);
/* Return if there is nothing in RX FIFO */
if(nrf->ReceivedPayload.PayloadWidth == 0)
{
return;
}
/* Flush RX FIFO, clear RX_DR flag and return if there is an error occured */
else if(nrf->ReceivedPayload.PayloadWidth > NRF_MAX_PAYLOAD_WIDTH)
{
NRF_Flush_RX(nrf);
NRF_WriteReg(nrf, NRF_STATUS, NRF_STATUS_RX_DR);
return;
}
/* Read RX FIFO Data */
NRF_ReadPayloadData(nrf, nrf->ReceivedPayload.Payload, nrf->ReceivedPayload.PayloadWidth);
/* Fill remaining space with zero */
for(bytecnt = nrf->ReceivedPayload.PayloadWidth; bytecnt < NRF_MAX_PAYLOAD_WIDTH; bytecnt++)
{
nrf->ReceivedPayload.Payload[bytecnt] = 0x00;
}
}
/*=====================================================================================================*/
void NRF_RX_Mode( void )
{
NRF_CE = 0;
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0F); // Power UP，Enable 16bit CRC，RX Mode，no mask
NRF_CE = 1;
Delay_10us(13); // After 130μs nRF24L01+ monitors the air for incoming communication.
}
/*=====================================================================================================*/
static void NRF_SetDataRate( u8 DataRate )
{
switch(DataRate) {
case NRF_RATE_250Kbps:
NRF_WriteReg(CMD_W_REG | NRF_RF_SETUP, NRF_RATE_250Kbps);
break;
case NRF_RATE_1Mbps:
NRF_WriteReg(CMD_W_REG | NRF_RF_SETUP, NRF_RATE_1Mbps);
break;
case NRF_RATE_2Mbps:
NRF_WriteReg(CMD_W_REG | NRF_RF_SETUP, NRF_RATE_2Mbps);
break;
}
}
/*=====================================================================================================*/
static void NRF_TxData( u8 *TxBuf )
{
NRF_CE = 0;
NRF_SetAddr(NRF_TX_ADDR, TX_ADDRESS); // 設定 TX 地址
NRF_WriteReg(CMD_W_REG | NRF_CONFIG, 0x0E); // Power UP，Enable 16bit CRC，TX Mode，no mask
NRF_WriteBuf(CMD_W_TX_PLOAD, TxBuf, NRF_TX_PL_WIDTH); // 寫入資料
NRF_CE = 1;
Delay_10us(1); // A high pulse on CE starts the transmission. The minimum pulse width on CE is 10μs.
}
/*=====================================================================================================*/
u8 NRF_RxPacket( u8 *RxBuf )
{
u8 Status = ERROR;
NRF_CE = 1;
while(NRF_IRQ!=0);
Status = NRF_ReadReg(CMD_R_REG | NRF_STATUS);
if(Status&NRF_STA_RX_DR) {
NRF_CE = 0;
NRF_RxData(RxBuf);
NRF_WriteReg(CMD_W_REG | NRF_STATUS, Status);
return NRF_STA_RX_DR;
}
else {
NRF_WriteReg(CMD_W_REG | NRF_STATUS, Status);
return ERROR;
}
}
void NRF_PowerUpRX(void)
{
uint8_t RegValue;
//CE_L();
//can be done by checking every time the real value of register as shown below
//RegValue = NRF_ReadReg(NRF_GetRegCommand(CONFIG, READ));
RegValue = CONFIG_DEFAULT | ((1 << PWR_UP) | (1 << PRIM_RX));
NRF_WriteReg(NRF_GetRegCommand(CONFIG, WRITE), RegValue);
//CE_H();
}
void NRF_configure_RX()
{
delay_ms(1);
// enter standby mode
//CE_L();
// set receiver address, for only two modules present the same address is acceptable
NRF_WriteRegData(NRF_GetRegCommand(RX_ADDR_P0, WRITE), TX_ADDRESS, TX_ADR_WIDTH);
NRF_WriteRegData(NRF_GetRegCommand(RX_ADDR_P0, WRITE), TX_ADDRESS, TX_ADR_WIDTH);
// enable auto ack
NRF_WriteReg(NRF_GetRegCommand(EN_AA, WRITE), 0x01);
// enable pipe 0
NRF_WriteReg(NRF_GetRegCommand(EN_RXADDR, WRITE), 0x01);
// set payload width to 1 byte
NRF_WriteReg(NRF_GetRegCommand(RX_PW_P0, WRITE), TX_PLOAD_WIDTH);
// select RF channel 2
NRF_WriteReg(NRF_GetRegCommand(RF_CH, WRITE), 2);
// set 2Mbps bit rate and 0dBm output power level
NRF_WriteReg(NRF_GetRegCommand(RF_SETUP, WRITE), 0x07);
NRF_PowerUpRX();
delay_ms(1);
}
void SetRxMode(void)
{
SPI_CE_L;
NRF_WriteReg(FLUSH_RX, 0xff);//清除TX FIFO寄存器
NRF_WriteBuf(NRF_WRITE_REG+RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH);//写RX节点地址
NRF_WriteReg(NRF_WRITE_REG+EN_AA, 0x01);//使能通道0的自动应答
NRF_WriteReg(NRF_WRITE_REG+EN_RXADDR, 0x01);//使能通道0的接收地址
NRF_WriteReg(NRF_WRITE_REG+RF_CH, 40);//设置RF通信频率
NRF_WriteReg(NRF_WRITE_REG+RX_PW_P0, RX_PLOAD_WIDTH);//选择通道0的有效数据宽度
NRF_WriteReg(NRF_WRITE_REG+RF_SETUP, 0x0f);//设置TX发射参数,0db增益,2Mbps,低噪声增益开启
NRF_WriteReg(NRF_WRITE_REG+CONFIG, 0x0f);//配置基本工作模式的参数;PWR_UP,EN_CRC,16BIT_CRC,接收模式
SPI_CE_H;
printf("nrf24l01 work on rx..\r\n");
}
/*=====================================================================================================*/
u8 NRF_TxPacket( u8 *TxBuf )
{
u8 Status;
NRF_TxData(TxBuf);
while(NRF_IRQ!=0);
Status = NRF_ReadReg(CMD_R_REG | NRF_STATUS);
NRF_WriteReg(CMD_W_REG | NRF_STATUS, Status);
NRF_FlushTxFIFO();
if(Status&NRF_STA_MAX_RT)
return NRF_STA_MAX_RT;
else if(Status&NRF_STA_TX_DS)
return NRF_STA_TX_DS;
else
return ERROR;
}
/*
* 函数名：NRF_Init
* 描述 ：SPI的 I/O配置
* 输入 ：无
* 输出 ：无
* 调用 ：外部调用
*/
void NRF_Init(void)
{
//配置NRF管脚复用
spi_init(NRF_SPI,MASTER); //初始化SPI,主机模式
gpio_init(PORTE,28, GPO,LOW); //初始化CE，默认进入待机模式
//gpio_init(PORTE,27, GPI,LOW); //初始化IRQ管脚为输入
gpio_init(PORTA,14, GPO,HIGH); //初始化PCSN管脚为输出，低电平选中
#if IS_USE_ISR
exti_init(PORTE,27, falling_up); //初始化IRQ管脚为 :下降沿触发，内部上拉
#else
gpio_init(PORTE,27, GPI,LOW); //初始化IRQ管脚为输入
#endif
//配置NRF寄存器
NRF_CE_LOW();
NRF_WriteReg(NRF_WRITE_REG+SETUP_AW,ADR_WIDTH - 2); //设置地址长度为 TX_ADR_WIDTH
NRF_WriteReg(NRF_WRITE_REG+RF_CH,CHANAL); //设置RF通道为CHANAL
NRF_WriteReg(NRF_WRITE_REG+RF_SETUP,0x0f); //设置TX发射参数,0db增益,2Mbps,低噪声增益开启
NRF_WriteReg(NRF_WRITE_REG+EN_AA,0x01); //使能通道0的自动应答
NRF_WriteReg(NRF_WRITE_REG+EN_RXADDR,0x01); //使能通道0的接收地址
//RX模式配置
//NRF_WriteBuf(NRF_WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH);//写RX节点地址
NRF_WriteReg(NRF_WRITE_REG+RX_PW_P0,RX_PLOAD_WIDTH); //选择通道0的有效数据宽度
//TX模式配置
//NRF_WriteBuf(NRF_WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH); //写TX节点地址 ,主要为了使能ACK
NRF_WriteReg(NRF_WRITE_REG+SETUP_RETR,0x0F); //设置自动重发间隔时间:250us + 86us;最大自动重发次数:15次
#if IS_AUTO_RX_MODE
NRF_RX_Mode(); //默认进入接收模式
#endif
NRF_CE_HIGH();
while(NRF_Check() == 0); //检测无线模块是否插入：如果卡在这里，说明没检测到无线模块
}
/**
* @brief Enable of disable interrupt masks.
* @note
* @param Pointer to nRF24L01P_Object
* @param Interrupt mask, can be combination of @ref NRF_InterruptMask.
* @param NewState. ENABLE of DISABLE
* @retval STATUS register in nRF24L01P.
*/
uint8_t NRF_INT_MASK_Cmd(nRF24L01P_Object* nrf, uint8_t NRF_InterruptMask, FunctionalState NewState)
{
uint8_t config; //Content of NRF_CONFIG register
/* Parameter check */
assert_param(IS_NRF_INT_MASK(NRF_InterruptMask));
/* Read original NRF_CONFIG register */
config = NRF_ReadReg(nrf, NRF_CONFIG);
/* Compute the new value */
if(NewState == ENABLE)
config = config | NRF_InterruptMask;
else
config = config & ~NRF_InterruptMask;
/* Write new value into NRF_CONFIG register */
return NRF_WriteReg(nrf, NRF_CONFIG, config);
}
/*
* 函数名：NRF_TX_Mode
* 描述 ：配置发送模式
* 输入 ：无
* 输出 ：无
* 调用 ：外部调用
*/
void NRF_TX_Mode(void)
{
u32 i;
NRF_CE_LOW();
NRF_WriteBuf(NRF_WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH); //写TX节点地址
NRF_WriteBuf(NRF_WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH); //设置RX节点地址 ,主要为了使能ACK
NRF_WriteReg(NRF_WRITE_REG+CONFIG,0x0A | (IS_CRC16<<2)); //配置基本工作模式的参数;PWR_UP,EN_CRC,16BIT_CRC,发射模式,开启所有中断
/*CE拉高，进入发送模式*/
NRF_CE_HIGH();
i=0xffff;
while(i--); //CE要拉高一段时间才进入发送模式
//DELAY_MS(1);
nrf_mode = TX_MODE;
}
/*=====================================================================================================*/
static void NRF_SetChannel( u8 Channel )
{
if(Channel<126)
NRF_WriteReg(CMD_W_REG | NRF_RF_CH, Channel);
}
uint8_t NRF_PowerDown(nRF24L01P_Object* nrf)
{
uint8_t config;
config = NRF_ReadReg(nrf, NRF_CONFIG) & (~NRF_PWR_UP);
return NRF_WriteReg(nrf, NRF_CONFIG, config);
}
/**
* @brief Initialize nRF24L01P registers
* @note Pointer to nRF24L01P_Object
* @param None
* @retval None
*/
uint8_t NRF_Device_Config(nRF24L01P_Object* nrf)
{
uint8_t bytecnt;
uint8_t bufferA[7]; //for register NRF_CONFIG to NRF_RF_SETUP
uint8_t bufferB[2]; //for NRF_DYNPD and NRF_FEATURE
/* Parameter check */
assert_param(IS_NRF_INT_MASK(nrf->InterruptMask) && \
IS_NRF_CRC(nrf->IntegratedCRC) && \
IS_NRF_CRC_ENCODING(nrf->CRCEncodingScheme) && \
IS_NRF_MASTER_MODE(nrf->MasterMode) && \
IS_NRF_DATAPIPE(nrf->AutoACKEnabledPipe) && \
IS_NRF_DATAPIPE(nrf->RXAddressEnabledPipe) && \
IS_NRF_AFW(nrf->AddressFieldWidth) && \
IS_NRF_ARD(nrf->AutoRetransmitDelay) && \
IS_NRF_ARC(nrf->AutoRetransmitCount) && \
IS_NRF_RF_CHN(nrf->RFChannel) && \
IS_NRF_CCT(nrf->ContinuousCarrierTransmit) && \
IS_NRF_PLL_LOCK(nrf->PLL_Lock) && \
IS_NRF_RF_DR(nrf->AirDataRate) && \
IS_NRF_RF_PWR(nrf->RF_Power) && \
IS_NRF_DATAPIPE(nrf->DynamicPayloadEnabledPipe) && \
IS_NRF_DPL(nrf->DynamicPayloadLength) && \
IS_NRF_ACK_PAY(nrf->PayloadWithACK) && \
IS_NRF_DYN_ACK(nrf->DynamicACK));
// Ensure desired data range
// assert_param(((NRF_InitStructure->NRF_DynamicPayloadEnabledPipe) & \
~(NRF_InitStructure->NRF_AutoACKEnabledPipe)) || \
(!(NRF_InitStructure->NRF_DynamicPayloadLength) && \
(NRF_InitStructure->NRF_DynamicPayloadEnabledPipe)));
// Prevent conflict between configurations:
// Can not enable dynamic payload when AutoACK or NRF_DPL is disabled
/* Assemble contents to send */
bufferA[0] = nrf->InterruptMask | \
nrf->IntegratedCRC | \
nrf->CRCEncodingScheme | \
NRF_PWR_UP | \
nrf->MasterMode;
bufferA[1] = nrf->AutoACKEnabledPipe;
bufferA[2] = nrf->RXAddressEnabledPipe;
bufferA[3] = nrf->AddressFieldWidth - 2;
bufferA[4] = nrf->AutoRetransmitDelay | \
nrf->AutoRetransmitCount;
bufferA[5] = nrf->RFChannel;
bufferA[6] = nrf->ContinuousCarrierTransmit | \
nrf->PLL_Lock | \
nrf->AirDataRate | \
nrf->RF_Power;
bufferB[0] = nrf->DynamicPayloadEnabledPipe;
bufferB[1] = nrf->DynamicPayloadLength | \
nrf->PayloadWithACK | \
nrf->DynamicACK;
NRF_CE_LOW(nrf);
/* Send register contents through SPI */
for(bytecnt = 0; bytecnt < 7; bytecnt++)
{
NRF_WriteReg(nrf, NRF_CONFIG + bytecnt, *(bufferA + bytecnt));
}
NRF_WriteMultiByteReg(nrf, NRF_RX_ADDR_P0, nrf->RX_Address_P0, nrf->AddressFieldWidth);
NRF_WriteMultiByteReg(nrf, NRF_RX_ADDR_P1, nrf->RX_Address_P1, nrf->AddressFieldWidth);
NRF_WriteMultiByteReg(nrf, NRF_TX_ADDR, nrf->TX_Address, nrf->AddressFieldWidth);
NRF_WriteReg(nrf, NRF_RX_ADDR_P2, nrf->RX_Address_P2);
NRF_WriteReg(nrf, NRF_RX_ADDR_P3, nrf->RX_Address_P3);
NRF_WriteReg(nrf, NRF_RX_ADDR_P4, nrf->RX_Address_P4);
NRF_WriteReg(nrf, NRF_RX_ADDR_P5, nrf->RX_Address_P5);
NRF_WriteReg(nrf, NRF_DYNPD, *bufferB);
return NRF_WriteReg(nrf, NRF_FEATURE, *(bufferB + 1));
}