求大神帮我看看，nrf2401程序为主机模式为什么不能通讯，我写的有问题么
时间：10-02
整理：3721RD
点击：
主程序
void main(void)
{
u8 i,dieT,saveflag,DieSum,ledflash;
u8 diestate;
u16 gameTimes;
#ifdef DEBUG
debug();
#endif
RCC_Configuration();
GPIO_Configuration();
NRF24L01_SPI_Init();
NVIC_Configuration();
g_SysPad1=0;
while (g_SysPad1<10);
CommPort_Init();
AdcInit();
L01_Init();
L01_SetTRMode(RX_MODE);
L01_WriteHoppingPoint(0);
L01_FlushRX( );
L01_FlushTX( );
EXTI_Configuration();
Rf_24L01_Send_End=1;
L01_MISO_HIGH();
systemstartup_init();
g_GameState=0;
gameTimes=0;
diestate=0;
g_EXTI4_OverT=1;
g_Txbuffer[0]=0xF2;//询问状态
g_Txbuffer[1]=0xf2;
g_Txbuffer[2]=0xba;
nRF24L01_Send(g_Txbuffer,3);
while(1)
{
if(Rf_24L01_Send_End==0x00)
{
g_Txbuffer[0]=0xf2;
g_Txbuffer[1]=0xf4;
g_Txbuffer[2]=0xba;
nRF24L01_Send(g_Txbuffer,3);
}
else
{
Rf_24L01_Send_End=0;
nRF24L01_Send(g_Txbuffer,2);
}
中断
void Exti9_5Handler()
{
u8 tmp;
tmp=L01_ReadStatusReg();
if( tmp & ( 1<<TX_DS ))
{
L01_CE_LOW();// 发射完毕，CE = 0，省电
L01_FlushTX( );//清TX FIFO
Rf_24L01_Send_End=1;
L01_SetTRMode(RX_MODE);
}
if( tmp & ( 1<<MAX_RT ) )
{
//发射失败，再发送一次
L01_SetTRMode(RX_MODE);
L01_FlushRX( );
L01_FlushTX( );
Rf_24L01_Send_End=1;
}
if( tmp & ( 1<<RX_DR ) )
{
// g_ACKcnt=0;//发送完成等待接收指令，一段时间内不回指令，则重新发送该条指令
tmp = L01_ReadRXPayload( Rf_Rec_Buf );
L01_SetTRMode(RX_MODE);
//L01_WriteHoppingPoint(0);
L01_FlushRX( );
L01_FlushTX( );
Rf_ReceiveEnd=1;
}
EXTI_ClearITPendingBit(EXTI_Line5);
}
spi
void NRF24L01_SPI_Init(void)
{
SPI_InitTypeDef SPI_InitStructure;
SPI_Cmd(SPI1, DISABLE); //失能SPI外设
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //全双工
SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //工作模式：主SPI
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;// 8位帧结构
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //空闲状态为低电平
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;//第1个跳变沿数据被采样
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //NSS信号软件管理
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32;//预分频值为256
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;//数据传输从MSB位开始
SPI_InitStructure.SPI_CRCPolynomial = 7; //CRC值计算的多项式
SPI_Init(SPI1, &SPI_InitStructure); //初始化外设SPIx寄存器
SPI_Cmd(SPI1, ENABLE); //使能SPI外设
}
中断
void EXTI_Configuration(void)
{
EXTI_InitTypeDef EXTI_InitStructure; //EXTI初始化结构定义
// GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);//管脚选择
// EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//事件选择
// EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//触发模式
// EXTI_InitStructure.EXTI_Line = EXTI_Line4 ; //线路选择
// EXTI_InitStructure.EXTI_LineCmd = ENABLE;//启动中断
// EXTI_Init(&EXTI_InitStructure);//初始化
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);//管脚选择
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//事件选择
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//触发模式
EXTI_InitStructure.EXTI_Line = EXTI_Line5 ; //线路选择
EXTI_InitStructure.EXTI_LineCmd = ENABLE;//启动中断
EXTI_Init(&EXTI_InitStructure);//初始化
}
/***************************外部中断2.4g_IRQ**************************************************/
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel; //通道 无线枪
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //优先级
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //响应级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //启动
NVIC_Init(&NVIC_InitStructure); //初始化
24L01程序
#define _nRF24L01_C_
#include "nRF24L01.h"
INT8U CE_Status = 0;
INT8U L01_GetCEStatus( void )
{
return CE_Status;
}
unsigned char SPI_RW(unsigned char dat)
{
u8 retry=0;
while((SPI1->SR&1<<1)==0)//等待发送区空
{
retry++;
if(retry>200)return 0;
}
SPI1->DR=dat; //发送一个byte
retry=0;
while((SPI1->SR&1<<0)==0) //等待接收完一个byte
{
retry++;
if(retry>200)return 0;
}
return SPI1->DR; //返回收到的数据
}
void L01_SetCE( unsigned char status )
{
CE_Status = status;
if( status == 0 ) { L01_CE_LOW( ); }
else { L01_CE_HIGH( ); }
}
INT8U L01_ReadSingleReg( INT8U Addr )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_RW( R_REGISTER | Addr );
btmp = SPI_RW( 0xFF );
L01_CSN_HIGH( );
return btmp;
}
/*
================================================================================
Function : L01_ReadMultiReg( )
Description : Read several registers of nRF24L01
Input : -StartAddr, The start address of the registers
-nBytes, How many registers do you want to read
-pBuff, The buffer to save the values
Output: None
================================================================================
*/
/*void L01_ReadMultiReg( INT8U StartAddr, INT8U nBytes, INT8U *pBuff )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_ExchangeByte( R_REGISTER | StartAddr );
for( btmp = 0; btmp < nBytes; btmp ++ )
{
*( pBuff + btmp ) = SPI_ExchangeByte( 0xFF );
}
L01_CSN_HIGH( );
}
================================================================================
Function : L01_WriteSingleReg( )
Description : Write a single byte to a register
Input : -Addr, The address of the register
-Value, The value to be written
Output: None
================================================================================
*/
void L01_WriteSingleReg( INT8U Addr, INT8U Value )
{
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_CSN_LOW( );
SPI_RW( W_REGISTER | Addr );
SPI_RW( Value );
L01_CSN_HIGH( );
L01_SetCE( tmp );
}
void L01_WriteMultiReg( INT8U StartAddr, INT8U *pBuff, INT8U Length )
{
INT8U i;
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_CSN_LOW( );
SPI_RW( W_REGISTER | StartAddr );
for( i = 0; i < Length; i ++ )
{
SPI_RW( *( pBuff + i ) );
}
L01_CSN_HIGH( );
L01_SetCE( tmp );
}
void L01_FlushTX( void )
{
L01_CSN_LOW( );
SPI_RW( FLUSH_TX );
L01_CSN_HIGH( );
}
void L01_FlushRX( void )
{
L01_CSN_LOW( );
SPI_RW( FLUSH_RX );
L01_CSN_HIGH( );
}
INT8U L01_ReadStatusReg( void )
{
INT8U Status;
L01_CSN_LOW( );
Status = SPI_RW( R_REGISTER + L01REG_STATUS );
L01_CSN_HIGH( );
return Status;
}
void L01_ClearIRQ( INT8U IRQ_Source )
{
INT8U btmp = 0;
IRQ_Source &= ( 1<<RX_DR ) | ( 1<<TX_DS ) | ( 1<<MAX_RT );
btmp = L01_ReadStatusReg( );
L01_CSN_LOW( );
L01_WriteSingleReg( L01REG_STATUS, IRQ_Source | btmp );
L01_CSN_HIGH( );
L01_ReadStatusReg( );
}
INT8U L01_ReadTopFIFOWidth( void )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_RW( R_RX_PL_WID );
btmp = SPI_RW( 0xFF );
L01_CSN_HIGH( );
return btmp;
}
INT8U L01_ReadRXPayload( INT8U *pBuff )
{
INT8U width, PipeNum;
PipeNum = ( L01_ReadSingleReg( L01REG_STATUS ) >> 1 ) & 0x07;
width = L01_ReadTopFIFOWidth( );
g_Rf_rec_num=width;
L01_CSN_LOW( );
SPI_RW( R_RX_PAYLOAD );
for( PipeNum = 0; PipeNum < width; PipeNum ++ )
{
*( pBuff + PipeNum ) = SPI_RW( 0xFF );
}
L01_CSN_HIGH( );
L01_FlushRX( );
return width;
}
void L01_WriteTXPayload_Ack( INT8U *pBuff, INT8U nBytes )
{
INT8U btmp;
INT8U length = ( nBytes > 32 ) ? 32 : nBytes;
L01_FlushTX( );
L01_CSN_LOW( );
SPI_RW( W_TX_PAYLOAD );
for( btmp = 0; btmp < length; btmp ++ )
{
SPI_RW( *( pBuff + btmp ) );
}
L01_CSN_HIGH( );
}
void L01_SetTXAddr( INT8U *pAddr, INT8U Addr_Length )
{
INT8U Length = ( Addr_Length > 5 ) ? 5 : Addr_Length;
L01_WriteMultiReg( L01REG_TX_ADDR, pAddr, Length );
}
void L01_SetRXAddr( INT8U PipeNum, INT8U *pAddr, INT8U Addr_Length )
{
INT8U Length = ( Addr_Length > 5 ) ? 5 : Addr_Length;
INT8U pipe = ( PipeNum > 5 ) ? 5 : PipeNum;
L01_WriteMultiReg( L01REG_RX_ADDR_P0 + pipe, pAddr, Length );
}
void L01_WriteHoppingPoint( INT8U FreqPoint )
{
L01_WriteSingleReg( L01REG_RF_CH, FreqPoint & 0x7F );
}
void L01_SetTRMode( L01MD mode )
{
INT8U controlreg = L01_ReadSingleReg( L01REG_CONFIG );
if( mode == TX_MODE ) { controlreg &= ~( 1<<PRIM_RX ); L01_SetCE( 0 ); }
else if( mode == RX_MODE ) { controlreg |= ( 1<<PRIM_RX ); L01_SetCE( 1 );}
L01_WriteSingleReg( L01REG_CONFIG, controlreg );
}
void L01_SetPowerDown( void )
{
INT8U controlreg = L01_ReadSingleReg( L01REG_CONFIG );
L01_WriteSingleReg( L01REG_CONFIG, controlreg & ( ~( 1<<PWR_UP ) ) );
}
void L01_Init( void )
{
INT8U addr[5] = {INIT_ADDR};
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_SetPowerDown( );
L01_ClearIRQ( IRQ_ALL );
#if DYNAMIC_PACKET == 1
//dynamic payload length
L01_WriteSingleReg( L01REG_DYNPD, ( 1<<0 ) );//Enable pipe 0 dynamic payload length
L01_WriteSingleReg( L01REG_FEATRUE, 0x06 );
L01_ReadSingleReg( L01REG_DYNPD );
L01_ReadSingleReg( L01REG_FEATRUE );
#elif DYNAMIC_PACKET == 0
//Fixed packet length
L01_WriteSingleReg( L01REG_RX_PW_P0, FIXED_PACKET_LEN );
#endif//DYNAMIC_PACKET
L01_WriteSingleReg( L01REG_CONFIG,/* ( 1<<MASK_TX_DS ) |*//////receive interrupt接收中断有效 禁能发送中断
( 1<<EN_CRC )| //Enable CRC, 1 byte
( 1<<PWR_UP ) );
//L01_WriteSingleReg( L01REG_EN_AA, ( 1<<ENAA_P0 ) ); //Auto ack in pipe 0
L01_WriteSingleReg( L01REG_EN_RXADDR, ( 1<<ERX_P0 ) );//Enable pipe 0 receive
L01_WriteSingleReg( L01REG_SETUP_AW, AW_5BYTES ); //Address width : 5Byte
L01_WriteSingleReg( L01REG_RETR, (((REPEAT_TIME/250)&0X0F)<<4) |
( REPEAT_CNT & 0x0F ) ); //repeat SETTING
L01_WriteSingleReg( L01REG_RF_CH, 0x0 ); //Initial channel
L01_WriteSingleReg( L01REG_RF_SETUP, 0x27 );
L01_SetTXAddr( &addr[4], 5 ); //Set TX address
L01_SetRXAddr( 0, &addr[4], 5 ); //Set RX address
//L01_SetPowerUp( );
}
void nRF24L01_Send(INT8U *pBuff, INT8U nBytes)
{
if(Rf_24L01_Send_End)
{
L01_SetTRMode(TX_MODE);
L01_WriteHoppingPoint(0);
//L01_FlushRX( );
//L01_FlushTX( );
L01_CE_LOW( );
L01_FlushRX( );//清RX FIFO
L01_FlushTX( );//清TX FIFO
L01_WriteTXPayload_Ack( pBuff,nBytes);
L01_CE_HIGH( ); // CE = 1,启动发射
Rf_24L01_Send_End=0;
//g_ACKcnt=1;
//Rf_ReceiveEnd=0;
}
}
/*
================================================================================
====================================End of file=================================
================================================================================
*/
void main(void)
{
u8 i,dieT,saveflag,DieSum,ledflash;
u8 diestate;
u16 gameTimes;
#ifdef DEBUG
debug();
#endif
RCC_Configuration();
GPIO_Configuration();
NRF24L01_SPI_Init();
NVIC_Configuration();
g_SysPad1=0;
while (g_SysPad1<10);
CommPort_Init();
AdcInit();
L01_Init();
L01_SetTRMode(RX_MODE);
L01_WriteHoppingPoint(0);
L01_FlushRX( );
L01_FlushTX( );
EXTI_Configuration();
Rf_24L01_Send_End=1;
L01_MISO_HIGH();
systemstartup_init();
g_GameState=0;
gameTimes=0;
diestate=0;
g_EXTI4_OverT=1;
g_Txbuffer[0]=0xF2;//询问状态
g_Txbuffer[1]=0xf2;
g_Txbuffer[2]=0xba;
nRF24L01_Send(g_Txbuffer,3);
while(1)
{
if(Rf_24L01_Send_End==0x00)
{
g_Txbuffer[0]=0xf2;
g_Txbuffer[1]=0xf4;
g_Txbuffer[2]=0xba;
nRF24L01_Send(g_Txbuffer,3);
}
else
{
Rf_24L01_Send_End=0;
nRF24L01_Send(g_Txbuffer,2);
}
中断
void Exti9_5Handler()
{
u8 tmp;
tmp=L01_ReadStatusReg();
if( tmp & ( 1<<TX_DS ))
{
L01_CE_LOW();// 发射完毕，CE = 0，省电
L01_FlushTX( );//清TX FIFO
Rf_24L01_Send_End=1;
L01_SetTRMode(RX_MODE);
}
if( tmp & ( 1<<MAX_RT ) )
{
//发射失败，再发送一次
L01_SetTRMode(RX_MODE);
L01_FlushRX( );
L01_FlushTX( );
Rf_24L01_Send_End=1;
}
if( tmp & ( 1<<RX_DR ) )
{
// g_ACKcnt=0;//发送完成等待接收指令，一段时间内不回指令，则重新发送该条指令
tmp = L01_ReadRXPayload( Rf_Rec_Buf );
L01_SetTRMode(RX_MODE);
//L01_WriteHoppingPoint(0);
L01_FlushRX( );
L01_FlushTX( );
Rf_ReceiveEnd=1;
}
EXTI_ClearITPendingBit(EXTI_Line5);
}
spi
void NRF24L01_SPI_Init(void)
{
SPI_InitTypeDef SPI_InitStructure;
SPI_Cmd(SPI1, DISABLE); //失能SPI外设
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //全双工
SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //工作模式：主SPI
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;// 8位帧结构
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //空闲状态为低电平
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;//第1个跳变沿数据被采样
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //NSS信号软件管理
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32;//预分频值为256
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;//数据传输从MSB位开始
SPI_InitStructure.SPI_CRCPolynomial = 7; //CRC值计算的多项式
SPI_Init(SPI1, &SPI_InitStructure); //初始化外设SPIx寄存器
SPI_Cmd(SPI1, ENABLE); //使能SPI外设
}
中断
void EXTI_Configuration(void)
{
EXTI_InitTypeDef EXTI_InitStructure; //EXTI初始化结构定义
// GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);//管脚选择
// EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//事件选择
// EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//触发模式
// EXTI_InitStructure.EXTI_Line = EXTI_Line4 ; //线路选择
// EXTI_InitStructure.EXTI_LineCmd = ENABLE;//启动中断
// EXTI_Init(&EXTI_InitStructure);//初始化
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);//管脚选择
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//事件选择
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//触发模式
EXTI_InitStructure.EXTI_Line = EXTI_Line5 ; //线路选择
EXTI_InitStructure.EXTI_LineCmd = ENABLE;//启动中断
EXTI_Init(&EXTI_InitStructure);//初始化
}
/***************************外部中断2.4g_IRQ**************************************************/
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel; //通道 无线枪
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //优先级
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //响应级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //启动
NVIC_Init(&NVIC_InitStructure); //初始化
24L01程序
#define _nRF24L01_C_
#include "nRF24L01.h"
INT8U CE_Status = 0;
INT8U L01_GetCEStatus( void )
{
return CE_Status;
}
unsigned char SPI_RW(unsigned char dat)
{
u8 retry=0;
while((SPI1->SR&1<<1)==0)//等待发送区空
{
retry++;
if(retry>200)return 0;
}
SPI1->DR=dat; //发送一个byte
retry=0;
while((SPI1->SR&1<<0)==0) //等待接收完一个byte
{
retry++;
if(retry>200)return 0;
}
return SPI1->DR; //返回收到的数据
}
void L01_SetCE( unsigned char status )
{
CE_Status = status;
if( status == 0 ) { L01_CE_LOW( ); }
else { L01_CE_HIGH( ); }
}
INT8U L01_ReadSingleReg( INT8U Addr )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_RW( R_REGISTER | Addr );
btmp = SPI_RW( 0xFF );
L01_CSN_HIGH( );
return btmp;
}
/*
================================================================================
Function : L01_ReadMultiReg( )
Description : Read several registers of nRF24L01
Input : -StartAddr, The start address of the registers
-nBytes, How many registers do you want to read
-pBuff, The buffer to save the values
Output: None
================================================================================
*/
/*void L01_ReadMultiReg( INT8U StartAddr, INT8U nBytes, INT8U *pBuff )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_ExchangeByte( R_REGISTER | StartAddr );
for( btmp = 0; btmp < nBytes; btmp ++ )
{
*( pBuff + btmp ) = SPI_ExchangeByte( 0xFF );
}
L01_CSN_HIGH( );
}
================================================================================
Function : L01_WriteSingleReg( )
Description : Write a single byte to a register
Input : -Addr, The address of the register
-Value, The value to be written
Output: None
================================================================================
*/
void L01_WriteSingleReg( INT8U Addr, INT8U Value )
{
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_CSN_LOW( );
SPI_RW( W_REGISTER | Addr );
SPI_RW( Value );
L01_CSN_HIGH( );
L01_SetCE( tmp );
}
void L01_WriteMultiReg( INT8U StartAddr, INT8U *pBuff, INT8U Length )
{
INT8U i;
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_CSN_LOW( );
SPI_RW( W_REGISTER | StartAddr );
for( i = 0; i < Length; i ++ )
{
SPI_RW( *( pBuff + i ) );
}
L01_CSN_HIGH( );
L01_SetCE( tmp );
}
void L01_FlushTX( void )
{
L01_CSN_LOW( );
SPI_RW( FLUSH_TX );
L01_CSN_HIGH( );
}
void L01_FlushRX( void )
{
L01_CSN_LOW( );
SPI_RW( FLUSH_RX );
L01_CSN_HIGH( );
}
INT8U L01_ReadStatusReg( void )
{
INT8U Status;
L01_CSN_LOW( );
Status = SPI_RW( R_REGISTER + L01REG_STATUS );
L01_CSN_HIGH( );
return Status;
}
void L01_ClearIRQ( INT8U IRQ_Source )
{
INT8U btmp = 0;
IRQ_Source &= ( 1<<RX_DR ) | ( 1<<TX_DS ) | ( 1<<MAX_RT );
btmp = L01_ReadStatusReg( );
L01_CSN_LOW( );
L01_WriteSingleReg( L01REG_STATUS, IRQ_Source | btmp );
L01_CSN_HIGH( );
L01_ReadStatusReg( );
}
INT8U L01_ReadTopFIFOWidth( void )
{
INT8U btmp;
L01_CSN_LOW( );
SPI_RW( R_RX_PL_WID );
btmp = SPI_RW( 0xFF );
L01_CSN_HIGH( );
return btmp;
}
INT8U L01_ReadRXPayload( INT8U *pBuff )
{
INT8U width, PipeNum;
PipeNum = ( L01_ReadSingleReg( L01REG_STATUS ) >> 1 ) & 0x07;
width = L01_ReadTopFIFOWidth( );
g_Rf_rec_num=width;
L01_CSN_LOW( );
SPI_RW( R_RX_PAYLOAD );
for( PipeNum = 0; PipeNum < width; PipeNum ++ )
{
*( pBuff + PipeNum ) = SPI_RW( 0xFF );
}
L01_CSN_HIGH( );
L01_FlushRX( );
return width;
}
void L01_WriteTXPayload_Ack( INT8U *pBuff, INT8U nBytes )
{
INT8U btmp;
INT8U length = ( nBytes > 32 ) ? 32 : nBytes;
L01_FlushTX( );
L01_CSN_LOW( );
SPI_RW( W_TX_PAYLOAD );
for( btmp = 0; btmp < length; btmp ++ )
{
SPI_RW( *( pBuff + btmp ) );
}
L01_CSN_HIGH( );
}
void L01_SetTXAddr( INT8U *pAddr, INT8U Addr_Length )
{
INT8U Length = ( Addr_Length > 5 ) ? 5 : Addr_Length;
L01_WriteMultiReg( L01REG_TX_ADDR, pAddr, Length );
}
void L01_SetRXAddr( INT8U PipeNum, INT8U *pAddr, INT8U Addr_Length )
{
INT8U Length = ( Addr_Length > 5 ) ? 5 : Addr_Length;
INT8U pipe = ( PipeNum > 5 ) ? 5 : PipeNum;
L01_WriteMultiReg( L01REG_RX_ADDR_P0 + pipe, pAddr, Length );
}
void L01_WriteHoppingPoint( INT8U FreqPoint )
{
L01_WriteSingleReg( L01REG_RF_CH, FreqPoint & 0x7F );
}
void L01_SetTRMode( L01MD mode )
{
INT8U controlreg = L01_ReadSingleReg( L01REG_CONFIG );
if( mode == TX_MODE ) { controlreg &= ~( 1<<PRIM_RX ); L01_SetCE( 0 ); }
else if( mode == RX_MODE ) { controlreg |= ( 1<<PRIM_RX ); L01_SetCE( 1 );}
L01_WriteSingleReg( L01REG_CONFIG, controlreg );
}
void L01_SetPowerDown( void )
{
INT8U controlreg = L01_ReadSingleReg( L01REG_CONFIG );
L01_WriteSingleReg( L01REG_CONFIG, controlreg & ( ~( 1<<PWR_UP ) ) );
}
void L01_Init( void )
{
INT8U addr[5] = {INIT_ADDR};
INT8U tmp = L01_GetCEStatus( );
L01_SetCE( 0 );
L01_SetPowerDown( );
L01_ClearIRQ( IRQ_ALL );
#if DYNAMIC_PACKET == 1
//dynamic payload length
L01_WriteSingleReg( L01REG_DYNPD, ( 1<<0 ) );//Enable pipe 0 dynamic payload length
L01_WriteSingleReg( L01REG_FEATRUE, 0x06 );
L01_ReadSingleReg( L01REG_DYNPD );
L01_ReadSingleReg( L01REG_FEATRUE );
#elif DYNAMIC_PACKET == 0
//Fixed packet length
L01_WriteSingleReg( L01REG_RX_PW_P0, FIXED_PACKET_LEN );
#endif//DYNAMIC_PACKET
L01_WriteSingleReg( L01REG_CONFIG,/* ( 1<<MASK_TX_DS ) |*//////receive interrupt接收中断有效 禁能发送中断
( 1<<EN_CRC )| //Enable CRC, 1 byte
( 1<<PWR_UP ) );
//L01_WriteSingleReg( L01REG_EN_AA, ( 1<<ENAA_P0 ) ); //Auto ack in pipe 0
L01_WriteSingleReg( L01REG_EN_RXADDR, ( 1<<ERX_P0 ) );//Enable pipe 0 receive
L01_WriteSingleReg( L01REG_SETUP_AW, AW_5BYTES ); //Address width : 5Byte
L01_WriteSingleReg( L01REG_RETR, (((REPEAT_TIME/250)&0X0F)<<4) |
( REPEAT_CNT & 0x0F ) ); //repeat SETTING
L01_WriteSingleReg( L01REG_RF_CH, 0x0 ); //Initial channel
L01_WriteSingleReg( L01REG_RF_SETUP, 0x27 );
L01_SetTXAddr( &addr[4], 5 ); //Set TX address
L01_SetRXAddr( 0, &addr[4], 5 ); //Set RX address
//L01_SetPowerUp( );
}
void nRF24L01_Send(INT8U *pBuff, INT8U nBytes)
{
if(Rf_24L01_Send_End)
{
L01_SetTRMode(TX_MODE);
L01_WriteHoppingPoint(0);
//L01_FlushRX( );
//L01_FlushTX( );
L01_CE_LOW( );
L01_FlushRX( );//清RX FIFO
L01_FlushTX( );//清TX FIFO
L01_WriteTXPayload_Ack( pBuff,nBytes);
L01_CE_HIGH( ); // CE = 1,启动发射
Rf_24L01_Send_End=0;
//g_ACKcnt=1;
//Rf_ReceiveEnd=0;
}
}
/*
================================================================================
====================================End of file=================================
================================================================================
*/
给你一个参考，这个我是我移植的一个，在很多的MCU上都调试通过的。
思想很重要，希望你能理解。
http://bbs.elecfans.com/forum.ph ... d=515514&extra=