CC1101的WOR应用

/* * 文件名：cc1100.c * 功能 : cc1100 的功能实现函数 * author: 陈思 */ #include "cc1100.h" extern ChipState fCC1100; RF_SETTINGS rfSettings = { 0x06, // FSCTRL1 Frequency synthesizer control. 0x00, // FSCTRL0 Frequency synthesizer control. 0x10, // FREQ2 Frequency control word, high byte. 0x12, // FREQ1 434MHz 0xF6, // FREQ0 434MHz // 0x09, // FREQ1 433MHz // 0x7B, // FREQ0 433MHz 0xF5, // MDMCFG4 Modem configuration. 0x75, // MDMCFG3 Modem configuration. 0x03, // MDMCFG2 Modem configuration. 0x20, // MDMCFG1 Modem configuration. oooooooooooooooooo 0xE5, // MDMCFG0 Modem configuration. 0x00, // CHANNR Channel number. 0x14, // DEVIATN Modem deviation setting (when FSK modulation is enabled). 0x56, // FREND1 Front end RX configuration. 0x00, // FREND0 Front end RX configuration. 0x18, // MCSM0 Main Radio Control State Machine configuration. 0x16, // FOCCFG Frequency Offset Compensation Configuration. 0x6C, // BSCFG Bit synchronization Configuration. 0x03, // AGCCTRL2 AGC control. 0x40, // AGCCTRL1 AGC control. 0x91, // AGCCTRL0 AGC control. 0xE9, // FSCAL3 Frequency synthesizer calibration. 0x0A, // FSCAL2 Frequency synthesizer calibration. 0x20, // FSCAL1 Frequency synthesizer calibration. 0x0D, // FSCAL0 Frequency synthesizer calibration. 0x59, // FSTEST Frequency synthesizer calibration. 0x81, // TEST2 Various test settings. 0x35, // TEST1 Various test settings. 0x09, // TEST0 Various test settings. }; // 发射功率相关定义 BYTE paTable[] = {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; void Wait(BYTE timeout) { // This sequence uses exactly 2 clock cycle for each round do { NOP(); } while (--timeout); } void resetCC1100(void) { PORT_SPI &= 1<<SCLK; PORT_SPI &= ~(1<<MOSI); SPI_OFF(); Wait(2); SPI_ON(); Wait(2); SPI_OFF(); Wait(20); SPI_ON(); while ((PORT_SPI & 1<<MISO)); SPI_TX(CC1100_SRES); SPI_WAIT(); while ((PORT_SPI & 1<<MISO)); SPI_OFF(); fCC1100 = IDLE; } // CC1100初始化和寄存器配置 void cc1100Init() { resetCC1100(); spiWriteRfSettings(); } BYTE spiReadReg(BYTE addr) { UINT8 x; SPI_ON(); while((PORT_SPI & 1<<MISO)); NOP(); SPI_TX(addr | READ_SINGLE); SPI_RX(x); SPI_OFF(); return x; } BYTE spiReadStatus(BYTE addr) { UINT8 x; SPI_ON(); NOP(); while(PORT_SPI&1<<MISO); NOP(); SPI_TX(addr | READ_BURST); SPI_RX(x); NOP(); SPI_OFF(); return x; } void spiReadBurstReg(BYTE addr, BYTE *buffer, BYTE count) { UINT8 i; SPI_ON(); while(PORT_SPI&1<<MISO); NOP(); SPI_TX(addr | READ_BURST); for (i = 0; i < count; i++) { SPI_RX(buffer[i]); } NOP(); SPI_OFF(); //buffer[i] = 0; // add a terminal char } void spiStrobe(BYTE strobe) { SPI_ON(); NOP(); while(PORT_SPI&1<<MISO); NOP(); SPI_TX(strobe); NOP(); SPI_OFF(); } void spiWriteReg(BYTE addr, BYTE value) { SPI_ON(); NOP(); while(PORT_SPI&1<<MISO); NOP(); SPI_TX(addr); SPI_TX(value); NOP(); SPI_OFF(); } void spiWriteBurstReg(BYTE addr, BYTE *buffer, BYTE count) { UINT8 i; SPI_ON(); while((PORT_SPI&1<<MISO)); SPI_TX(addr | WRITE_BURST); for (i = 0; i < count; i++) { SPI_TX(buffer[i]); } SPI_OFF(); } void spiWriteRfSettings() { // Write register settings spiWriteReg(CC1100_FSCTRL1, rfSettings.FSCTRL1); spiWriteReg(CC1100_FSCTRL0, rfSettings.FSCTRL0); spiWriteReg(CC1100_FREQ2, rfSettings.FREQ2); spiWriteReg(CC1100_FREQ1, rfSettings.FREQ1); spiWriteReg(CC1100_FREQ0, rfSettings.FREQ0); spiWriteReg(CC1100_MDMCFG4, rfSettings.MDMCFG4); spiWriteReg(CC1100_MDMCFG3, rfSettings.MDMCFG3); spiWriteReg(CC1100_MDMCFG2, rfSettings.MDMCFG2); spiWriteReg(CC1100_MDMCFG1, rfSettings.MDMCFG1); spiWriteReg(CC1100_MDMCFG0, rfSettings.MDMCFG0); spiWriteReg(CC1100_CHANNR, rfSettings.CHANNR); spiWriteReg(CC1100_DEVIATN, rfSettings.DEVIATN); spiWriteReg(CC1100_FREND1, rfSettings.FREND1); spiWriteReg(CC1100_FREND0, rfSettings.FREND0); spiWriteReg(CC1100_MCSM0 , rfSettings.MCSM0 ); spiWriteReg(CC1100_FOCCFG, rfSettings.FOCCFG); spiWriteReg(CC1100_BSCFG, rfSettings.BSCFG); spiWriteReg(CC1100_AGCCTRL2, rfSettings.AGCCTRL2); spiWriteReg(CC1100_AGCCTRL1, rfSettings.AGCCTRL1); spiWriteReg(CC1100_AGCCTRL0, rfSettings.AGCCTRL0); spiWriteReg(CC1100_FSCAL3, rfSettings.FSCAL3); spiWriteReg(CC1100_FSCAL2, rfSettings.FSCAL2); spiWriteReg(CC1100_FSCAL1, rfSettings.FSCAL1); spiWriteReg(CC1100_FSCAL0, rfSettings.FSCAL0); spiWriteReg(CC1100_FSTEST, rfSettings.FSTEST); spiWriteReg(CC1100_TEST2, rfSettings.TEST2); spiWriteReg(CC1100_TEST1, rfSettings.TEST1); spiWriteReg(CC1100_TEST0, rfSettings.TEST0); // Set Syn Byte spiWriteReg(CC1100_SYNC1, 0x12); spiWriteReg(CC1100_SYNC0, 0x34); spiWriteBurstReg(CC1100_PATABLE, paTable, sizeof(paTable)); } void spiSendPacket(BYTE *txBuffer, UINT8 size) { BYTE status; // 写发送缓冲区 spiWriteBurstReg(CC1100_TXFIFO, txBuffer, size); spiStrobe(CC1100_STX); fCC1100 = SEND; // 循环直到数据发送完成 while(1) { status = spiReadStatus(0x35); if(status == 1) break; } /* while(!GDO0_PIN); while(GDO0_PIN); */ fCC1100 = IDLE; } BOOL spiReceivePacket(BYTE *rxBuffer,UINT8 length) { UINT8 packetLength; BYTE rxStatus[2]; BYTE status = 0; memset(rxBuffer,0,10); spiStrobe(CC1100_SRX); fCC1100 = RECIEVE; while(1) { status = spiReadStatus(0x35); if(status == 1) { break; } } fCC1100 = IDLE; if ((spiReadStatus(CC1100_RXBYTES) & BYTES_IN_RXFIFO)) { // Read the first byte, also is the length byte packetLength = spiReadReg(CC1100_RXFIFO); // Read data from RX FIFO and store in rxBuffer if (packetLength <= length) { spiReadBurstReg(CC1100_RXFIFO, rxBuffer, packetLength); length = packetLength; spiReadBurstReg(CC1100_RXFIFO, rxStatus, 2); return TRUE; } else { length = packetLength; spiStrobe(CC1100_SFRX); return FALSE; } } return FALSE; } void recPacket(BYTE *rxBuffer,UINT8 length) { UINT8 packetLength; BYTE rxStatus[2]; if ((spiReadStatus(CC1100_RXBYTES) & BYTES_IN_RXFIFO)) { packetLength = spiReadReg(CC1100_RXFIFO); // Read data from RX FIFO and store in rxBuffer if (packetLength <= length) { spiReadBurstReg(CC1100_RXFIFO, rxBuffer, packetLength); length = packetLength; spiReadBurstReg(CC1100_RXFIFO, rxStatus, 2); } else { length = packetLength; } } spiStrobe(CC1100_SFRX); fCC1100 = IDLE; } void initWorMode(void) { // Enable automatic initial calibration of RCosc. // Set T_event1 ~ 1.4 ms, enough for XOSC stabilize and