HEPTA-Sat Training 2019
/
Lab4-06_Detect_Magnetism_x-axis
Lab4
main.cpp
- Committer:
- HeptaSatTraining2019
- Date:
- 2019-08-27
- Revision:
- 25:efb6bdda7c02
- Parent:
- 24:cfcbac775459
- Child:
- 26:993102540f3d
File content as of revision 25:efb6bdda7c02:
#include "mbed.h" #include"HEPTA_EPS.h" Serial pc(USBTX,USBRX); HEPTA_EPS eps(p16,p26); I2C i2c(p28, p27); const int addr_accel_gyro = 0xD0; char cmd[2]; const int addr_compus = 0x18; short int mxl,mxh,myl,myh,mzl,mzh,st2; int main() { i2c.frequency(100000); cmd[0]=0x6B; cmd[1]=0x00; i2c.write(addr_accel_gyro,cmd,2); cmd[0] = 0x37; cmd[1] = 0x02; i2c.write(addr_accel_gyro,cmd,2); i2c.stop(); while(1) { i2c.start(); i2c.write(addr_compus); i2c.write(0x0A); i2c.write(0x12); i2c.stop(); i2c.start(); i2c.write(addr_compus); i2c.write(0x03); i2c.start(); i2c.write(addr_compus|0x01); mxl = i2c.read(0); i2c.stop(); i2c.start(); i2c.write(addr_compus); i2c.write(0x04); i2c.start(); i2c.write(addr_compus|0x01); mxh = i2c.read(0); i2c.stop(); i2c.start(); i2c.write(addr_compus); i2c.write(0x09); i2c.start(); i2c.write(addr_compus|0x01); st2 = i2c.read(0); i2c.stop(); double mg_x = short((mxh<<8) | (mxl)); double MX = ( mg_x)*0.15; pc.printf("MX = %f\r\n",MX); wait(0.5); } }