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STM32驱动CC1101的程序,保证可用
发送程序部分预览（完整版请下载本帖最后的附件）：
- /*
- ** CC1101 433MHz无线模块相互通信
- ** 2014-11-16
- */
- #include "stm32f10x.h"
- #include "cc1101.h"
- #include "led.h"
- /*************NVIC控制器配置***************************/
- //组号 抢占位数 子优先级数量
- // 组0 0 4
- // 组1 1 3
- // 组2 2 2
- // 组3 3 1
- // 组4 4 0
- #define NVIC_PRIORITY_GROUP_0 (7 - 0)
- #define NVIC_PRIORITY_GROUP_1 (7 - 1)
- #define NVIC_PRIORITY_GROUP_2 (7 - 2)
- #define NVIC_PRIORITY_GROUP_3 (7 - 3)
- #define NVIC_PRIORITY_GROUP_4 (7 - 4)
- #define NVIC_PRIORITY_GROUP (NVIC_PRIORITY_GROUP_2) /* 设置为组2 */
- //#include "RF_Send.h"
- //#include "task.h"
- //***************更多功率参数设置可详细参考DATACC1100英文文档中第48-49页的参数表******************
- //INT8U PaTabel[8] = {0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04}; //-30dBm 功率最小
- //INT8U PaTabel[8] = {0x17,0x17 ,0x17 ,0x17 ,0x17 ,0x17,0x17 ,0x17}; //-20dBm
- //INT8U PaTabel[8] = {0x1D,0x1D ,0x1D ,0x1D ,0x1D ,0x1D,0x1D ,0x1D}; //-15dBm
- //INT8U PaTabel[8] = {0x26,0x26 ,0x26 ,0x26 ,0x26 ,0x26,0x26 ,0x26}; //-10dBm
- //INT8U PaTabel[8] = {0x37,0x37 ,0x37 ,0x37 ,0x37 ,0x37,0x37 ,0x37}; //-6dBm
- //INT8U PaTabel[8] = {0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60};//0dBm
- //INT8U PaTabel[8] = {0x86,0x86 ,0x86 ,0x86 ,0x86 ,0x86,0x86 ,0x86}; //5dBm
- const u8 PaTabel[8] = {0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0};//12dBm
- u8 RF_Read_Buff[64];//接收缓冲区
- _RF_Sta RF_Sta;//RF状态
- /////////////////////////////////////////////////////////////////
- const RF_SETTINGS rfSettings =
- {
- 0x00,
- 0x08, // FSCTRL1 Frequency synthesizer control.
- 0x00, // FSCTRL0 Frequency synthesizer control.
- 0x10, // FREQ2 Frequency control word, high byte.
- 0xA7, // FREQ1 Frequency control word, middle byte.
- 0x62, // FREQ0 Frequency control word, low byte.
- 0x5B, // MDMCFG4 Modem configuration.
- 0xF8, // MDMCFG3 Modem configuration.
- 0x03, // MDMCFG2 Modem configuration.
- 0x22, // MDMCFG1 Modem configuration.
- 0xF8, // MDMCFG0 Modem configuration.
-
- 0x00, // CHANNR Channel number.
- 0x47, // DEVIATN Modem deviation setting (when FSK modulation is enabled).
- 0xB6, // FREND1 Front end RX configuration.
- 0x10, // FREND0 Front end RX configuration.
- 0x18, // MCSM0 Main Radio Control State Machine configuration.
- // 0x0F, // MCSM1 Main Radio Control State Machine configuration.
- 0x1D, // FOCCFG Frequency Offset Compensation Configuration.
- 0x1C, // BSCFG Bit synchronization Configuration.
- 0xC7, // AGCCTRL2 AGC control.
- 0x00, // AGCCTRL1 AGC control.
- 0xB2, // AGCCTRL0 AGC control.
-
- 0xEA, // FSCAL3 Frequency synthesizer calibration.
- 0x2A, // FSCAL2 Frequency synthesizer calibration.
- 0x00, // FSCAL1 Frequency synthesizer calibration.
- 0x11, // FSCAL0 Frequency synthesizer calibration.
- 0x59, // FSTEST Frequency synthesizer calibration.
- 0x81, // TEST2 Various test settings.
- 0x35, // TEST1 Various test settings.
- 0x09, // TEST0 Various test settings.
- 0x0B, // IOCFG2 GDO2 output pin configuration.
- 0x06, // IOCFG0D GDO0 output pin configuration. Refer to SmartRF?Studio User Manual for detailed pseudo register explanation.
-
- 0x04, // PKTCTRL1 Packet automation control.
- 0x05, // PKTCTRL0 Packet automation control.
- 0x00, // ADDR Device address.
- RFDATLEN // PKTLEN Packet length.
- };
- //*****************************************************************************************
- //函数名：delayus(unsigned int s)
- //输入：时间
- //输出：无
- //功能描述：普通廷时,内部用
- //*****************************************************************************************
- void delayus(u16 timeout)
- {
- u8 i;
- do
- {
- for(i=0; i<20; i++);
- }
- while (--timeout);
-
- }
- /*****************************************************************************************/
- //函数名：CC1101_SpiInit()
- //输入：无
- //输出：无
- //功能描述：SPI初始化程序
- /*****************************************************************************************/
- void CC1101_SpiInit(void)
- {
- RCC->APB2ENR|=1<<4; //使能PORTC时钟
- GPIOC->CRL&=0Xff000000;
- GPIOC->CRL|=0X00833388;
- GPIOC->ODR|=0x00000023;
- }
- void Open_GD0_Interrupt(void)
- {
- uint32_t priority;
-
- /* 使能io复用时钟 */
- RCC->APB2ENR |= 1 << 0;
- /* 配置为输外部中断5在PC5上 */
- AFIO->EXTICR[1] &= ~(0xF << 4);
- AFIO->EXTICR[1] |= (2 << 4);
- /* 开启外部中断5 */
- EXTI->IMR |= (1 << 5);
- /* 上升沿触发 */
- EXTI->RTSR |= (1 << 5);
- EXTI->FTSR &= ~(1 << 5);
-
- NVIC_SetPriorityGrouping(NVIC_PRIORITY_GROUP); /* 设置为组2 */
- priority = NVIC_EncodePriority (NVIC_PRIORITY_GROUP, 2, 3);
- NVIC_SetPriority(EXTI9_5_IRQn,priority); /* EXTIx_IRQn 在stm32f10x.h中有定义 */
- NVIC_EnableIRQ(EXTI9_5_IRQn);
- }
- //*****************************************************************************************
- //函数名：SpisendByte(INT8U dat)
- //输入：发送的数据
- //输出：无
- //功能描述：SPI发送一个字节
- //*****************************************************************************************
- u8 SpiTxRxByte(u8 dat)
- {
- u8 i,j,temp= 0;
- SCK = 0;
- for(i=0; i<8; i++)
- {
- if(dat & 0x80)MOSI = 1;
- else MOSI = 0;
- j++;j++;
- dat <<= 1;
- j++;j++;
- SCK = 1;
- j++;j++;
- temp <<= 1;
- if(MISO)temp++;
- SCK = 0;
- j++;j++;
- }
- return temp;
- }
- //*****************************************************************************************
- //函数名：void RESET_CC1100(void)
- //输入：无
- //输出：无
- //功能描述：复位CC1100
- //*****************************************************************************************
- u8 RESET_CC1100(void)
- {
- u16 n=0;
- CSN = 0;
- while(MISO)
- {
- if(++n>300)return 0;
- delayus(5);
- }
- n=0;
- SpiTxRxByte(CCxxx0_SRES); //写入复位命令
- while(MISO)
- {
- if(++n>300)return 0;
- delayus(5);
- }
- CSN = 1;
- return 1;
- }
- //*****************************************************************************************
- //函数名：void POWER_UP_RESET_CC1100(void)
- //输入：无
- //输出：无
- //功能描述：上电复位CC1100
- //*****************************************************************************************
- u8 POWER_UP_RESET_CC1100(void)
- {
- CSN = 1;
- delayus(10);
- CSN = 0;
- delayus(10);
- CSN = 1;
- delayus(100);
- if(RESET_CC1100())return 1; //复位CC1100
- return 0;
- }
- //*****************************************************************************************
- //函数名：void halSpiWriteReg(INT8U addr, INT8U value)
- //输入：地址和配置字
- //输出：无
- //功能描述：SPI写寄存器
- //*****************************************************************************************
- void halSpiWriteReg(u8 addr, u8 value)
- {
- u16 n=0;
- CSN = 0;
- while(MISO)
- {
- if(++n>300)break;
- delayus(5);
- }
- SpiTxRxByte(addr); //写地址
- SpiTxRxByte(value); //写入配置
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名：void halSpiWriteBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- //输入：地址，写入缓冲区，写入个数
- //输出：无
- //功能描述：SPI连续写配置寄存器
- //*****************************************************************************************
- void halSpiWriteBurstReg(u8 addr, u8 *buffer, u8 count)
- {
- u8 i, temp;
- temp = addr | WRITE_BURST;
- CSN = 0;
- while(MISO)
- {
- if(++i>250)break;
- delayus(5);
- }
- SpiTxRxByte(temp);
- for (i = 0; i < count; i++)
- {
- SpiTxRxByte(buffer[i]);
- }
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名：void halSpiStrobe(INT8U strobe)
- //输入：命令
- //输出：无
- //功能描述：SPI写命令
- //*****************************************************************************************
- void halSpiStrobe(u8 strobe)
- {
- u8 n=0;
- CSN = 0;
- while(MISO)
- {
- if(++n>250)break;
- delayus(5);
- }
- SpiTxRxByte(strobe); //写入命令
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名：INT8U halSpiReadReg(INT8U addr)
- //输入：地址
- //输出：该寄存器的配置字
- //功能描述：SPI读寄存器
- //*****************************************************************************************
- u8 halSpiReadReg(u8 addr)
- {
- u8 temp, value=0;
- temp = addr|READ_SINGLE;//读寄存器命令
- CSN = 0;
- while(MISO)
- {
- if(++value>250)break;
- delayus(5);
- }
- SpiTxRxByte(temp);
- value = SpiTxRxByte(0);
- CSN = 1;
- return value;
- }
- //*****************************************************************************************
- //函数名：void halSpiReadBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- //输入：地址，读出数据后暂存的缓冲区，读出配置个数
- //输出：无
- //功能描述：SPI连续写配置寄存器
- //*****************************************************************************************
- void halSpiReadBurstReg(u8 addr, u8 *buffer, u8 count)
- {
- u8 i=0,temp;
- temp = addr | READ_BURST; //写入要读的配置寄存器地址和读命令
- CSN = 0;
- while(MISO)
- {
- if(++i>250)break;
- delayus(5);
- }
- SpiTxRxByte(temp);
- for (i = 0; i < count; i++)
- {
- buffer[i] = SpiTxRxByte(0);
- }
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名：INT8U halSpiReadReg(INT8U addr)
- //输入：地址
- //输出：该状态寄存器当前值
- //功能描述：SPI读状态寄存器
- //*****************************************************************************************
- u8 halSpiReadStatus(u8 addr)
- {
- u8 value=0,temp;
- temp = addr | READ_BURST; //写入要读的状态寄存器的地址同时写入读命令
- CSN = 0;
- while(MISO)
- {
- if(++value>250)break;
- delayus(5);
- }
- SpiTxRxByte(temp);
- value = SpiTxRxByte(0);
- CSN = 1;
- return value;
- }
- //*****************************************************************************************
- //函数名：void CC1101_Set_PKTLEN(u8 len)
- //输入：无
- //输出：无
- //功能描述：配置CC1101数据长度
- //*****************************************************************************************
- void CC1101_Set_PKTLEN(u8 len)//配置CC1101数据长度
- {
- halSpiWriteReg(CCxxx0_PKTLEN,len);
- }
- //*****************************************************************************************
- //函数名：void halRfWriteRfSettings(RF_SETTINGS *pRfSettings)
- //输入：无
- //输出：无
- //功能描述：配置CC1100的寄存器
- //*****************************************************************************************
- void halRfWriteRfSettings(void)
- {
-
- halSpiWriteReg(CCxxx0_FSCTRL0, rfSettings.FSCTRL2);//自已加的
- // Write register settings
- halSpiWriteReg(CCxxx0_FSCTRL1, rfSettings.FSCTRL1);
- halSpiWriteReg(CCxxx0_FSCTRL0, rfSettings.FSCTRL0);
- halSpiWriteReg(CCxxx0_FREQ2, rfSettings.FREQ2);
- halSpiWriteReg(CCxxx0_FREQ1, rfSettings.FREQ1);
- halSpiWriteReg(CCxxx0_FREQ0, rfSettings.FREQ0);
- halSpiWriteReg(CCxxx0_MDMCFG4, rfSettings.MDMCFG4);
- halSpiWriteReg(CCxxx0_MDMCFG3, rfSettings.MDMCFG3);
- halSpiWriteReg(CCxxx0_MDMCFG2, rfSettings.MDMCFG2);
- halSpiWriteReg(CCxxx0_MDMCFG1, rfSettings.MDMCFG1);
- halSpiWriteReg(CCxxx0_MDMCFG0, rfSettings.MDMCFG0);
- halSpiWriteReg(CCxxx0_CHANNR, rfSettings.CHANNR);
- halSpiWriteReg(CCxxx0_DEVIATN, rfSettings.DEVIATN);
- halSpiWriteReg(CCxxx0_FREND1, rfSettings.FREND1);
- halSpiWriteReg(CCxxx0_FREND0, rfSettings.FREND0);
- halSpiWriteReg(CCxxx0_MCSM0 , rfSettings.MCSM0 );
- halSpiWriteReg(CCxxx0_FOCCFG, rfSettings.FOCCFG);
- halSpiWriteReg(CCxxx0_BSCFG, rfSettings.BSCFG);
- halSpiWriteReg(CCxxx0_AGCCTRL2, rfSettings.AGCCTRL2);
- halSpiWriteReg(CCxxx0_AGCCTRL1, rfSettings.AGCCTRL1);
- halSpiWriteReg(CCxxx0_AGCCTRL0, rfSettings.AGCCTRL0);
- halSpiWriteReg(CCxxx0_FSCAL3, rfSettings.FSCAL3);
- halSpiWriteReg(CCxxx0_FSCAL2, rfSettings.FSCAL2);
- halSpiWriteReg(CCxxx0_FSCAL1, rfSettings.FSCAL1);
- halSpiWriteReg(CCxxx0_FSCAL0, rfSettings.FSCAL0);
- halSpiWriteReg(CCxxx0_FSTEST, rfSettings.FSTEST);
- halSpiWriteReg(CCxxx0_TEST2, rfSettings.TEST2);
- halSpiWriteReg(CCxxx0_TEST1, rfSettings.TEST1);
- halSpiWriteReg(CCxxx0_TEST0, rfSettings.TEST0);
- halSpiWriteReg(CCxxx0_IOCFG2, rfSettings.IOCFG2);
- halSpiWriteReg(CCxxx0_IOCFG0, rfSettings.IOCFG0);
- halSpiWriteReg(CCxxx0_PKTCTRL1, rfSettings.PKTCTRL1);
- halSpiWriteReg(CCxxx0_PKTCTRL0, rfSettings.PKTCTRL0);
- halSpiWriteReg(CCxxx0_ADDR, rfSettings.ADDR);
- halSpiWriteReg(CCxxx0_PKTLEN, rfSettings.PKTLEN);
- //halSpiWriteReg(CCxxx0_IOCFG0 , rfSettings.PKTLEN);
- }
- //******************************************************************************************
- //函数名：void Set_TxMode(void)
- //输入：无
- //输出：无
- //功能描述：设置CC1100为发射模式
- //*****************************************************************************************
- void Set_TxMode(void)
- {
- RF_Sta.mode=RF_TXMODE;
- RF_Sta.Busy=BUSY;//置忙
- GDO0_INTON;//开中断
- halSpiStrobe(CCxxx0_SIDLE);//强制进入空闲模式
- halSpiStrobe(CCxxx0_STX); //进入发送模式发送数据
- }
- //*****************************************************************************************
- //函数名：void Set_RxMode(void)
- //输入：无
- //输出：无
- //功能描述：设置CC1100为发射接收模式
- //*****************************************************************************************
- void Set_RxMode(void)
- {
- RF_Sta.mode=RF_RXMODE;
- halSpiStrobe(CCxxx0_SFRX);//清洗接收缓冲区
- halSpiStrobe(CCxxx0_SIDLE);//强制进入空闲模式
- halSpiStrobe(CCxxx0_SRX);//进入接收模式
- GDO0_INTON;//开中断
- }
- //*****************************************************************************************
- //函数名：void halRfSendPacket(INT8U *txBuffer, INT8U size)
- //输入：发送的缓冲区，发送数据个数
- //输出：OK 已发送,其它,错误标志
- //功能描述：CC1100发送一组数据
- //*****************************************************************************************
- u8 halRfSendPacket(u8 *txBuffer, u8 size)
- {
- u16 value;
- halSpiWriteReg(CCxxx0_TXFIFO, size);
- halSpiWriteBurstReg(CCxxx0_TXFIFO, txBuffer, size); //写入要发送的数据
- Set_TxMode();//进入发送模式发送数据
- RF_Sta.Busy=BUSY;
- while(RF_Sta.Busy&BUSY)
- {
- if(++value>350)return ERR;
- delayus(5);
- }
- return OK;
- }
- u8 halRfReceivePacket(u8 *rxBuffer, u8 length)
- {
- u8 status[2];
- u8 packetLength;
- if ((halSpiReadStatus(CCxxx0_RXBYTES) & BYTES_IN_RXFIFO)) //如果接的字节数不为0
- {
- packetLength = halSpiReadReg(CCxxx0_RXFIFO);//读出第一个字节，此字节为该帧数据长度
- if (packetLength <= length) //如果所要的有效数据长度小于等于接收到的数据包的长度
- {
- halSpiReadBurstReg(CCxxx0_RXFIFO, rxBuffer, packetLength); //读出所有接收到的数据
- length = packetLength; //把接收数据长度的修改为当前数据的长度
-
- // Read the 2 appended status bytes (status[0] = RSSI, status[1] = LQI)
- halSpiReadBurstReg(CCxxx0_RXFIFO, status, 2); //读出CRC校验位
- halSpiStrobe(CCxxx0_SFRX); //清洗接收缓冲区
- return (status[1] & CRC_OK); //如果校验成功返回接收成功
- }
- else
- {
- length = packetLength;
- halSpiStrobe(CCxxx0_SFRX); //清洗接收缓冲区
- return 0;
- }
- }
- return 0;
- }
- u8 CC1101_Init(void)
- {
- CC1101_SpiInit();
- if(POWER_UP_RESET_CC1100())//复位CC1100
- {
- halRfWriteRfSettings();//配置CC1100
- halSpiWriteBurstReg(CCxxx0_PATABLE, (u8 *)PaTabel, 8);//设置功率
- RF_Sta.Busy=IDLE;//空闲
- RF_Sta.DatFlag=ERR;
- // Set_TxMode();//默认发送模式
- Set_RxMode();//进入接收状态
- return 1;
- }
- return 0;
- }
- //外部中断5服务程序
- void EXTI9_5_IRQHandler(void)
- {
- EXTI->PR=1<<5; //清除LINE5上的中断标志位
- GDO0_INTOFF;//关中断
- if(GDO0)
- {
- delayus(20);
- if(GDO0)
- {
- LED1=0;
- while(GDO0);
- switch(RF_Sta.mode)
- {
- case RF_TXMODE: halSpiStrobe(CCxxx0_SFTX);//清洗发送缓冲区
- RF_Sta.Busy=IDLE;//空闲
- RF_Sta.DatFlag=ERR;
- break;
- case RF_RXMODE:if(halRfReceivePacket((u8 *)&RF_Read_Buff,RFDATLEN))
- {
- RF_Sta.DatFlag=OK;
- }
- break;
- default:
- break;
- }
- }
- }
- Set_RxMode();//进入接收状态
- }
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