CHANG rozen
/
401RE_Sensor2_demo
Gy_39 demo
main.cpp
- Committer:
- rozendhyan
- Date:
- 2017-08-24
- Revision:
- 0:c105fad1f12b
File content as of revision 0:c105fad1f12b:
#include "mbed.h" #define size 14 Serial pc(USBTX,USBRX); Serial sensor(PA_9,PA_10); int commend[3] = {0xA5,0x52,0xF7 }; char buf[size]; int Lux,Temp,Preesure,Hum,Height; void judgement_data(char buf[]){ int i=0; if(buf[i++]== 0x5A){ //pc.printf("first_step\n"); if(buf[i++]== 0x5A){ //pc.printf("second_step\n"); //i++;//go to data type if(buf[i] == 0x15){ pc.printf("Lux type\n"); i++;//04 Lux = ((buf[i+1]<<24) | (buf[i+2]<<16) | (buf[i+3]<<8) | buf[i+4])/100; //Lux = (0x00<<24) | (0x00<<16) | (0xFE<<8) | 0x40;//test pc.printf("Lux = %d\n", Lux); }else if(buf[i] == 0x45){ pc.printf("temp type\n"); i++;//0A Temp = ((buf[i+1]<<8)|(buf[i+2]))/100; Preesure = ((buf[i+3]<<24)|(buf[i+4]<<16)|(buf[i+5]<<8)|(buf[i+6]))/100; Hum = ((buf[i+7]<<8)|(buf[i+8]))/100; Height = ((buf[i+9]<<8)|(buf[i+10])); pc.printf("Temp = %d\n", Temp); pc.printf("Preesure = %d\n", Preesure); pc.printf("Hum = %d\n", Hum); pc.printf("Height = %d\n", Height); } } } } int main(){ pc.baud(9600); //pc.printf("testing use serial port\n"); while(1){ for(int i=0;i<3;i++){ pc.putc(commend[i]); sensor.putc(commend[i]); } for(int i=0;i<size;i++){ buf[i] = sensor.getc(); pc.putc(buf[i]); } pc.printf("\n");//enter judgement_data(buf); wait(3); } }