/**
******************************************************************************
* File Name : main.c
* Description : Main program body
******************************************************************************
*/
#include
#include
#include "board.h"
#include "radio.h"
#include "NS_Radio.h"
#include "hal_temHum.h"
uint8_t Rcv_Temp=0,Rcv_Hum=0;
uint16_t Rcv_Light=0;
// *** 用户代码添加：LoRa节点定义开始
#define LORA_GATEWAY
//#define LORA_NODE_TEHU
//#define LORA_NODE_LIGHT
// *** 用户代码添加：LoRa节点定义结束
// *** 通信协议相关宏定义
#define START_HEAD 0x55
#define CMD_READ 0x01
#define ACK_OK 0x00
#define ACK_NONE 0x01
#define ACK_ERR 0x02
#define MY_NET_ID 0xc0c2
#ifdef LORA_NODE_TEHU
#define MY_ADDR 0x01
#endif
#ifdef LORA_NODE_LIGHT
#define MY_ADDR 0x02
#endif
#ifdef LORA_GATEWAY
#define ADDR_MIN 1
#define ADDR_MAX 2
#endif
// *** 传感器全局变量声明
#ifdef LORA_NODE_TEHU
int8_t temperature=25;
int8_t humidity=70;
#endif
#ifdef LORA_NODE_LIGHT
uint16_t LightLux=200;
#endif
uint8_t CheckSum(uint8_t *buf,uint8_t len);
uint8_t *ExtractCmdframe(uint8_t *buf,uint8_t len,uint8_t CmdStart);
uint16_t GetHexStr(uint8_t *input ,uint16_t len,uint8_t *output);
void LoRa_DataParse(uint8_t *LoRaRxBuf,uint16_t len);
void LoRa_GetSensorDataProcess(void);
void LoRa_SendRead(uint16_t NetId,uint8_t addr);
void LoRa_AutoCTL(uint8_t *LoRaRxBuf,uint16_t len);
void LoRa_GateWay_AutoCTL(uint8_t *DataBuf,uint16_t len)
{
uint8_t *DestData =NULL;
#define HEAD_DATA *DestData
#define CMD_DATA *(DestData+1)
#define NETH_DATA *(DestData+2)
#define NETL_DATA *(DestData+3)
#define ADDR_DATA *(DestData+4)
#define ACK_DATA *(DestData+5)
#define LEN_DATA *(DestData+6)
#define DATASTAR_DATA *(DestData+7)
DestData =ExtractCmdframe((uint8_t *)DataBuf ,len,START_HEAD );
if(DestData !=NULL )
{
if((DestData - DataBuf )>(len-6)) return;
if(CMD_DATA !=CMD_READ ) return;
if(CheckSum((uint8_t *)DestData ,6+DestData[6]) !=(*(DestData+6+(*(DestData+6))))) return;
if(((((uint16_t)NETH_DATA )<<8)+NETL_DATA ) !=MY_NET_ID ) return;
char OledBuf[32];
memset(OledBuf ,' ',30 );
memcpy(OledBuf,&DATASTAR_DATA,(LEN_DATA-1)>30?30:(LEN_DATA-1));
OLED_ShowString(0,4,(uint8_t *)OledBuf);
USART1_SendStr((uint8_t *)DestData,LEN_DATA+7);
}
// *** 用户添加代码：LoRa网关数据解析与逻辑控制开始
if(ADDR_DATA == 0x01)
{
Rcv_Temp =(*(DestData+11)-'0')*10+(*(DestData+12)-'0');
Rcv_Hum =(*(DestData+20)-'0')*10+(*(DestData+21)-'0');
}
if(ADDR_DATA == 0x02)
{
if(*(DestData+6)==12)
{
Rcv_Light =(*(DestData+13)-'0')*10+(*(DestData+14)-'0');
}
else
{
Rcv_Light =(*(DestData+13)-'0')*100+(*(DestData+14)-'0')*10+(*(DestData+15)-'0');
}
}
if(Rcv_Temp > 25 || Rcv_Hum >= 70 || Rcv_Light < 200)
{
GpioWrite (&Relay ,1);
}
else
{
GpioWrite (&Relay ,0);
}
// *** 用户代码添加：LoRa网关数据解析与逻辑控制结束
}
void LoRa_SendRead(uint16_t NetId,uint8_t addr)
{
uint8_t TxBuffer[BUFFER_SIZE];
TxBuffer[0]=START_HEAD;
TxBuffer[1]=CMD_READ;
TxBuffer[2]=(uint8_t)(NetId>>8);
TxBuffer[3]=(uint8_t)NetId;
TxBuffer[4]=addr;
TxBuffer[5]=CheckSum((uint8_t*)TxBuffer,5);
Radio.Send(TxBuffer,6);
}
// 网关：读取传感器数据处理
void LoRa_ReadSensorProcess(uint8_t AddrMin,uint8_t AddrMax)
{
static uint16_t time=1000;
static uint8_t addr=1;
if(User0Timer_MS >time )
{
User0Timer_MS =0;
time=randr(1000,4000);
#ifndef TRANSPARENCY
printf("读取网络ID为0x%04x,地址为%d的传感节点\r\n",MY_NET_ID,addr);
#endif
char StrBuf[32]={0};
memset(StrBuf ,'\0',32);
sprintf(StrBuf ,"ID:%04X,Addr:%d",MY_NET_ID,addr );
OLED_ShowString(0,2,(uint8_t *)StrBuf);
memset(StrBuf ,' ',32);
OLED_ShowString(0,4,(uint8_t *)StrBuf);
LoRa_SendRead(MY_NET_ID,addr++);
if(addr>AddrMax)
addr=AddrMin;
GpioToggle(&Led1 );
}
}
// 通信协议：校验和
uint8_t CheckSum(uint8_t *buf,uint8_t len)
{
uint8_t temp =0;
while(len--)
{
temp +=*buf;
buf++;
}
return (uint8_t )temp;
}
// 通信协议：通信帧头解析
uint8_t *ExtractCmdframe(uint8_t *buf,uint8_t len,uint8_t CmdStart)
{
uint8_t *point = NULL;
uint8_t i;
for(i=0;i { if(CmdStart ==*buf ) { point = buf; return point; } buf++; } return NULL; } // 通信协议：命令帧解析 void LoRa_DataParse(uint8_t *LoRaRxBuf,uint16_t len) { #if defined(LORA_GATEWAY) LoRa_GateWay_AutoCTL(LoRaRxBuf,len); #endif #ifdef LORA_NODE_TEHU uint8_t *DestData =NULL; #define HEAD_DATA *DestData #define CMD_DATA *(DestData+1) #define NETH_DATA *(DestData+2) #define NETL_DATA *(DestData+3) #define ADDR_DATA *(DestData+4) #define ACK_DATA *(DestData+5) #define LEN_DATA *(DestData+6) #define DATASTAR_DATA *(DestData+7) DestData =ExtractCmdframe((uint8_t *)LoRaRxBuf ,len,START_HEAD ); if(DestData !=NULL ) { if((DestData - LoRaRxBuf )>(len-6)) return; if(CMD_DATA !=CMD_READ ) return; if(CheckSum((uint8_t *)DestData ,5) !=(*(DestData+5)) ) return; if(((((uint16_t)NETH_DATA )<<8)+NETL_DATA ) !=MY_NET_ID ) return; if(ADDR_DATA !=MY_ADDR ) return; uint8_t RspBuf[BUFFER_SIZE]={0}; memset(RspBuf ,'\0',BUFFER_SIZE ); RspBuf[0]=START_HEAD ; RspBuf[1]=CMD_READ ; RspBuf[2]=(uint8_t)(MY_NET_ID>>8) ; RspBuf[3]=(uint8_t)MY_NET_ID ; RspBuf[4]=MY_ADDR ; RspBuf[5]=ACK_OK ; sprintf((char *)(RspBuf +7),"tem:%dCe,hum:%d%%",temperature,humidity); RspBuf[6]=strlen((const char *)(RspBuf +7))+1; RspBuf[6+RspBuf[6]]=CheckSum((uint8_t *)RspBuf,6 +RspBuf[6]); Radio.Send(RspBuf ,7 +RspBuf[6]); GpioToggle(&Led1 ); } #endif #ifdef LORA_NODE_LIGHT uint8_t *DestData =NULL; #define HEAD_DATA *DestData #define CMD_DATA *(DestData+1) #define NETH_DATA *(DestData+2) #define NETL_DATA *(DestData+3) #define ADDR_DATA *(DestData+4) #define ACK_DATA *(DestData+5) #define LEN_DATA *(DestData+6) #define DATASTAR_DATA *(DestData+7) DestData =ExtractCmdframe((uint8_t *)LoRaRxBuf ,len,START_HEAD ); if(DestData !=NULL ) { if((DestData - LoRaRxBuf )>(len-6)) return; if(CMD_DATA !=CMD_READ ) return; if(CheckSum((uint8_t *)DestData ,5) !=(*(DestData+5)) ) return; if(((((uint16_t)NETH_DATA )<<8)+NETL_DATA ) !=MY_NET_ID ) return; if(ADDR_DATA !=MY_ADDR ) return; uint8_t RspBuf[BUFFER_SIZE]={0}; memset(RspBuf ,'\0',BUFFER_SIZE ); RspBuf[0]=START_HEAD ; RspBuf[1]=CMD_READ ; RspBuf[2]=(uint8_t)(MY_NET_ID>>8) ; RspBuf[3]=(uint8_t)MY_NET_ID ; RspBuf[4]=MY_ADDR ; RspBuf[5]=ACK_OK ; sprintf((char *)(RspBuf +7),"Light:%dLux",LightLux ); RspBuf[6]=strlen((const char *)(RspBuf +7))+1; RspBuf[6+RspBuf[6]]=CheckSum((uint8_t *)RspBuf,6 +RspBuf[6]); Radio.Send(RspBuf ,7 +RspBuf[6]); GpioToggle(&Led1 ); } #endif } // 格式转换 uint16_t GetHexStr(uint8_t *input ,uint16_t len,uint8_t *output) { for(uint16_t i=0;i { sprintf((char *)(output+i*3),"%02X ",*input ); input++; } return strlen((const char *)output); } // 读取传感器参数 void LoRa_GetSensorDataProcess(void) { #ifdef LORA_NODE_TEHU const uint16_t time=1000; if(User0Timer_MS >time ) { User0Timer_MS =0; uint16_t Temp,Rh; call_sht11((uint16_t *)(&Temp),(uint16_t *)(&Rh)); temperature =(int8_t)Temp; if(temperature<10) temperature=10; if(temperature>=100) temperature=99; humidity =(int8_t)Rh; if(humidity<10) humidity=10; char StrBuf[64]={0}; memset(StrBuf ,'\0',64); sprintf(StrBuf ,"tem:%dCe,hum:%d%%",temperature,humidity); OLED_ShowString(0,6,(uint8_t *)StrBuf); } #endif #ifdef LORA_NODE_LIGHT const uint16_t time=1000; if(User0Timer_MS >time ) { User0Timer_MS =0; uint16_t AdcNum,voltage; AdcNum =AdcReadChannel(&Adc,ADC_CHANNEL_0); voltage=AdcNum*3300/(4096-1.0); LightLux=5/2.0*(voltage/10.0); if(LightLux>999) LightLux=999; if(LightLux<10) LightLux=10; char StrBuf[64]={0}; memset(StrBuf ,'\0',64); sprintf(StrBuf ,"Light:%3dLux",LightLux ); OLED_ShowString(0,6,(uint8_t *)StrBuf); } #endif } // *** 用户添加部分结束 void LoRa_Send( uint8_t *TxBuffer, uint8_t len ); void MyRadioRxDoneProcess( void ); void OLED_InitView(void); void PlatformInit(void); /********************************************************************************************** *函数：void LoRa_Send( uint8_t *TxBuffer, uint8_t len ) *功能：发送LoRa无线数据 *输入： * uint8_t *TxBuffer, 待发送数据 * uint8_t len, 待发送数据长度 *输出：无 *返回：无 *特殊说明：无 **********************************************************************************************/ void LoRa_Send( uint8_t *TxBuffer, uint8_t len ) { Radio.Send( TxBuffer, len); } /********************************************************************************************** *函数：void MyRadioRxDoneProcess( void ) *功能：无线模块数据接收完成处理进程函数 *输入：无 *输出：无 *返回：无 *特殊说明：接收到的无线数据保存在RxBuffer中，BufferSize为接收到的无线数据长度 **********************************************************************************************/ void MyRadioRxDoneProcess( void ) { uint16_t BufferSize = 0; uint8_t RxBuffer[BUFFER_SIZE]; BufferSize = ReadRadioRxBuffer( (uint8_t *)RxBuffer ); if(BufferSize>0) { //用户在此处添加接收数据处理功能的代码 ; GpioToggle(&Led2 ); LoRa_DataParse((uint8_t *)RxBuffer ,BufferSize ); } } /********************************************************************************************** *函数：void OLED_InitView() *功能：Lora液晶初始化 *输入：无 *输出：无 *特殊说明：无 **********************************************************************************************/ void OLED_InitView(void) { char StrBuf[32]={0}; memset(StrBuf ,'\0',32); OLED_Clear(); #if defined(LORA_GATEWAY) OLED_ShowString(0,0, (uint8_t *)"LoRa GateWay"); #else OLED_ShowString(0,0,(uint8_t*)"Freq:"); OLED_ShowNum(5*8,0,(uint32_t)RF_PING_PONG_FREQUENCY,9,16); sprintf(StrBuf ,"ID:%04X,Addr:%d",MY_NET_ID,MY_ADDR ); OLED_ShowString(0,2,(uint8_t *)StrBuf); #endif #if defined(LORA_NODE_TEHU) OLED_ShowString(0,4, (uint8_t *)"Lora Temp/Hum"); #endif #if defined(LORA_NODE_LIGHT) OLED_ShowString(0,4, (uint8_t *)"Lora Light"); #endif } /********************************************************************************************** *函数：void PlatformInit( void ) *功能：平台初始化 *输入：无 *输出：无 *特殊说明：无 **********************************************************************************************/ void PlatformInit(void) { // 开发板平台初始化 BoardInitMcu(); BoardInitPeriph(); // 开发板设备初始化 OLED_Init();//液晶初始化 USART1_Init(115200);//串口1初始化 OLED_Clear(); OLED_InitView();//OLED屏幕显示初始信息 printf("新大陆教育 LoRa \r\n"); //Lora模块初始化 NS_RadioInit( (uint32_t) RF_PING_PONG_FREQUENCY, (int8_t) TX_OUTPUT_POWER, (uint32_t) TX_TIMEOUT_VALUE, (uint32_t) RX_TIMEOUT_VALUE ); //请在下方添加用户初始化代码 #if defined(LORA_GATEWAY) printf("Gateway\r\n"); #endif #if defined(LORA_NODE_TEHU) printf("LoRa TempRh\r\n"); hal_temHumInit(); #endif #if defined(LORA_NODE_LIGHT) printf("LoRa Light\r\n"); AdcInit(&Adc,ADC_0); #endif connectionreset(); Tim3McuInit(1); //IWDG_PrmInit(2048);//独立看门狗初始化，超时设置为2048ms } /** * Main application entry point. */ int main( void ) { PlatformInit(); while( 1 ) { //IWDG_PrmRefresh( );//喂独立看门狗 //请在下方添加用户功能代码 MyRadioRxDoneProcess(); #if defined(LORA_NODE_LIGHT)||defined(LORA_NODE_TEHU) LoRa_GetSensorDataProcess(); #endif #ifdef LORA_GATEWAY LoRa_ReadSensorProcess(ADDR_MIN,ADDR_MAX); #endif } }