This is the development sandbox for the DRV425EVM and its magnetic sensing.
Dependencies: mbed
Repository for the 2015 OhmBoyZ Capstone group.
Diff: main.cpp
- Revision:
- 3:7285d6ff672b
- Parent:
- 2:a17facee23c1
- Child:
- 4:769396add1a8
--- a/main.cpp Tue Nov 17 17:56:50 2015 +0000 +++ b/main.cpp Tue Nov 24 22:45:23 2015 +0000 @@ -13,9 +13,10 @@ meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0) meas = meas * 3300; // Change the value to be in the 0 to 3300 range (currently to mV) printf("meas = %fmV\n\r",meas); // Print out raw measurement in terms of mV - b=meas/(4.0*12.2*100.0); // Based on equation 1 - printf("b = %f Gauss\n\r",b); // Print out b field measure in Gauss - printf("B = %fuT\n\r", b*100.0); // Output B field in micro-Tesla + //b=(meas/1000)/(4.0*12.2*100.0); // Based on equation 1 + // 12.2 mA/mT + //printf("b = %f Gauss\n\r",b); // Print out b field measure in Tesla + //printf("B = %fuT\n\r", b*1000.0); // Output B field in micro-Tesla if (meas > 2000) { // If the value is greater than 2V then switch the LED on // greater than 410 microGauss [40 mT] led = 1; @@ -23,6 +24,6 @@ else { led = 0; } - wait(1.0); // wait 1 second + wait(.1); // wait 1 second } }