51单片机驱动SX1262（LLCC68）LoRa驱动

#include "spi.h" #include "SX1262.h" #include "uart.h" #include "Delay.h" #include "eeprom.h" #include "include.h" #include "timer.h" u8 xdata SPIBuf[50]={'0'}; u8 xdata SPIReadBuf[50]={'0'}; u8 xdata testdata[10]={"send_test\n"}; u32 xdata RTC=12345;//时间戳 u16 xdata Rbody=1000;//人体阻值kΩ u16 xdata mVbat=4100;//电池电压 mV u16 xdata VbatCHGMax=3000;//充电时，记录最大电池电压mV u8 xdata saveCnt=0;//已经存了几条数据 u8 xdata readCnt=0;//已经读了几条数据 u8 xdata chargeFlg=0;// 1:充电 u8 xdata rxOkFlg=0;// 1:串口接收到ACK u8 xdata RTC_Flg=0;//时间更新成功标志，1：已更新，0：未更新 u8 xdata lastChargeFlg;//上次充电状态 u8 xdata chargeSendDataFlg = 1;//充电状态判断是否需要发送数据标志,初始化为1，需要发送 u8 xdata RbodySendDataFlg = 1;//帽子状态判断是否需要发送数据标志,初始化为1，需要发送 u8 xdata chargeUpdataFlg = 1; u8 xdata chargeLevel;//0:<3300mV 1:<3700mV 2:<3850mV 3:<4030mV 4:>=4030mV u8 xdata lastChargeLevel; u8 xdata SN[SN_LEN+1]="\0";//="SN000001"; u8 xdata checkAck[14]="\0";//"[SN000001,ACK]" u8 xdata checkTime[15]="\0";//"[SN000001,TIME:" /********************* INT0中断函数 *************************/ void Ext_INT0 (void) interrupt INT0_VECTOR //进中断时已经清除标志 { } void Timer_WakeUp_init()//定时唤醒 { WKTCL=0xFF;//0x7FF=2047->1s,0x27FF=10239->5s WKTCH=0x0F|0x80;//设置2s定时唤醒，启用掉电唤醒定时器,当mcu进入睡眠，唤醒定时器就会开始计数 } void INT0_init(void) { IT0=0;//使能ITN0上升沿和下降沿中断 EX0=1;//使能ITN0中断 EA=1;//使能总中断 } void Rola_sleep() { Set_RF_sleep_mode(); SPI_write_byte(SetSleep,0x04); //睡眠唤醒热启动warm start，RTC超时关闭，只允许NSS下降沿唤醒LLCC68 Delayms(1);//需要延时500us } void Rola_wakeup() { NSS=1; Delayms(1); NSS=0; } void MCU_sleep() { UartSendStr("MCU_sleep"); Rola_sleep(); PCON |= 2; /* MCU 进入 睡眠 模式 */ } void ADC_init()//STC8H1K08系列ADC是10位的 { P1M0&=0xFE;//设置P1.0为ADC口 P1M1|=0x01; P1M0&=0xFD;//设置P1.1为ADC口 P1M1|=0x02; P_SW2|=0x80; ADCTIM=0x3f;//设置ADC内部时序 P_SW2&=0x7f; ADCCFG=0x2f;//结果右对齐，设置ADC时钟为系统时钟2/16 ADC_CONTR=0x80;//使能ADC模块 } u16 ADC_Read(u8 channel)//channel = 0~15 { u16 adc; ADC_RES = 0; ADC_RESL = 0; ADC_CONTR = (ADC_CONTR & 0xF0) | 0x40 | channel;//启动AD转换 _nop_(); _nop_(); _nop_(); _nop_(); while(!(ADC_CONTR & 0x20));//查询ADC完成标志 ADC_CONTR &= ~0x20;//清完成标志 adc = ((u16)ADC_RES << 8) | ADC_RESL;//读取ADC结果 return adc; } void chargeStatusDetection() { u8 cnt=0,i=0; if(DEC_5V)// 1充电 { do { Delayms(10); if(DEC_5V) { cnt++; } i++; }while(i<20); if(cnt == 20) { chargeFlg = 1; } } else//0不充电 { do { Delayms(10); if(!DEC_5V) { cnt++; } i++; }while(i<20); if(cnt == 20) { chargeFlg = 0; } } if(lastChargeFlg != chargeFlg)//两次充电状态不一致，则需要发送数据 { chargeSendDataFlg = 1; } else { chargeSendDataFlg = 0; } lastChargeFlg = chargeFlg; } u16 BatmVDetection() { u8 i; u16 val_ch1 = 0,mVbat; float Vbat; LP_CTRL=1;//读电池电压前需要置1 Delayms( 10); ADC_Read(ADC_Vbat_CH1);//第一次不要 for(i=0;i<4;i++) { val_ch1 += ADC_Read(ADC_Vbat_CH1); } val_ch1 = val_ch1>>2; Vbat = (2*3.3*val_ch1/1024);//电池电压 mVbat = Vbat*1000; LP_CTRL=0; return mVbat; } void RbodyStatusDetection() { u16 val_ch0 = 0; u8 i; float Vbody; u8 RbodyStatus = 0; static u8 LastRbodyStatus = 1; LP_CTRL=1;//读电阻前需要置1 ADC_Read(ADC_Rbody_CH0);//第一次不要 for(i=0;i<4;i++) { val_ch0 += ADC_Read(ADC_Rbody_CH0);//电阻采集 } val_ch0 = val_ch0>>2; Vbody = 3.3*val_ch0/1024; Rbody = (3300-2000*Vbody)/Vbody;////(3.3*10-20*V)/V电阻采集 if(Rbody>=32767) { Rbody = 32767; RbodyStatus = 1; } else { RbodyStatus = 0; } if(LastRbodyStatus != RbodyStatus) { RbodySendDataFlg = 1; } else { RbodySendDataFlg = 0; } LastRbodyStatus = RbodyStatus; LP_CTRL=0;//读电阻前需要置1 } void chargeUpdataDetection() { if(!DEC_5V)// 0非充电 { chargeUpdataFlg = 0; VbatCHGMax = mVbat;//不充电时要重新给VbatCHGMax赋值 return; } else { if(mVbat > VbatCHGMax) { VbatCHGMax = mVbat;//充电时取最大值判断，防止在临界点跳来跳去 } if(VbatCHGMax < 3300) { chargeLevel=0; } else if(VbatCHGMax < 3700) { chargeLevel=1; } else if(VbatCHGMax < 3850) { chargeLevel=2; } else if(VbatCHGMax < 4030) { chargeLevel=3; } else { chargeLevel=4; } } if(lastChargeLevel != chargeLevel)//电量等级发生变化时上报1次数据 { chargeUpdataFlg = 1; } else { chargeUpdataFlg = 0; } lastChargeLevel = chargeLevel; } void main() { u8 xdata report[40]; u8 xdata SaveReport[9];//4bytes RTC,2bytes mVbat,2bytes Rbody,1byte CHGflag // u8 xdata tempstr[20]; u32 sendCnt=1000; u8 sendLen; u8 i; // u32 delayTimeOut; // int temp; u8 reSendnt;//重发次数 P1M1 = 0x00; P1M0 = 0x00; //设置为准双向口 P3M1 = 0x00; P3M0 = 0x00; //设置为准双向口 P5M1 = 0x00; P5M0 = 0x00; //设置为准双向口 UartInit(); ADC_init(); INT0_init(); Timer0_config(); Delays(3); UartSendStr("设备就绪\r\n"); SX1262_Reset(); LoRaSetting1.Frequency=FREQ; LoRaSetting1.SpreadFactor=SF7;//扩散因子 LoRaSetting1.Bandwidth=LORA_BW_500; LoRaSetting1.Coderate=LORA_CR_4_5;//编码率 LoRaSetting1.LowDatarateOptimize=LDRO_OFF;//低数据速率优化 LoRaSetting1.PreambleLen=8;//前导码长度 LoRaSetting1.HeaderType=Variable_length_packet;//标题类型 LoRaSetting1.PayloadLen=10;//有效载荷 LoRaSetting1.PacketCrc=CRC_ON; LoRaSetting1.IqInverted=Standard_IQ_setup;//倒转 SX1262_Init(LoRaSetting1);//设置为发送模式 SX126xReadRegister(0x0740,2,SPIBuf);//读取公网、专网状态，默认专网 SX1262RX_init(0xfffffff); //0XFFFFFFFF 0x0000000 RD: UartSendStr("spi read/write test start\r\n"); //本段用来验证客户是否调通了与LoRa芯片的通讯，必须通过才可以进行下一步。 SX126xReadRegister(0x0740,2,SPIBuf);//读取公网、专网状态，默认专网 if(SPIBuf[0]==0x14) { UartSendStr("spi read/write test passed\r\n"); } else { UartSendStr("please check spi connect or your software.\r\n"); Delayms(50); goto RD; } //readSN EEPROM_read_n(EEPROM_ADDR_SN,SN,SN_LEN);//读EEPROM里的SN EEPROM_read_n(EEPROM_ADDR_CNT,&saveCnt,1); EEPROM_read_n(EEPROM_ADDR_CNT+1,&readCnt,1); UartSendStr(my_itoa(saveCnt)); UartSendStr(my_itoa(readCnt)); if(saveCnt==0xFF && readCnt == 0xFF)//说明还没写过数据,把数据记录写0 { saveCnt=0; readCnt=0; EEPROM_write_n(EEPROM_ADDR_CNT,&saveCnt,1); EEPROM_write_n(EEPROM_ADDR_CNT+1,&readCnt,1); } // checkAck[0]='\0'; strcat(checkAck,"["); strcat(checkAck,SN);//SN strcat(checkAck,",ACK]");//[SN000002,ACK] //UartSendStr(checkAck); checkTime[0]='\0'; strcat(checkTime,"["); strcat(checkTime,SN);//SN strcat(checkTime,",TIME:");//[SN000001,TIME: //UartSendStr(checkTime); GET_RTC: report[0]='\0'; strcat(report,"["); strcat(report,SN);//SN strcat(report,",GET_TIME]");//[SN000001,GET_TIME] sendLen = strlen(report); SX1262_send(0x00,report,sendLen);//rola 发送获取时间戳 UartSendStr(report);//串口打印 UartSendStr("\r\n"); SX1262_Receive(); while(1) //Uart_Analysis(); { //发送 // sendCnt++; // sendLen = strlen(my_itoa(sendCnt)); // SX1262_send(0x00,my_itoa(sendCnt),sendLen); chargeStatusDetection();//充电检测 mVbat = BatmVDetection(); //电池电压检测 Delayms( 10); RbodyStatusDetection();//人体电阻检测 chargeUpdataDetection();//充电电量更新检测 //if((chargeSendDataFlg == 1) ||(RbodySendDataFlg == 1) ||(chargeUpdataFlg == 1)) { if(RTC_Flg==0) goto GET_RTC;//时间未更新，则需要先更新时间 report[0]='\0'; strcat(rep