Task 4.2.2 Solution
Dependencies: mbed
main.cpp
- Committer:
- noutram
- Date:
- 2015-09-24
- Revision:
- 0:6d9e82b27127
File content as of revision 0:6d9e82b27127:
#include "mbed.h" #define kRED (1 << 2) //4 #define kYELLOW (1 << 1) //2 #define kGREEN (1 << 0) //1 //Global objects BusOut binaryOutput(D5, D6, D7); DigitalIn SW1(D3); DigitalIn SW2(D4); AnalogIn POT_ADC_In(A0); AnalogIn LDD_ADC_In(A1); float fPOT, fLDR = 0.0; //Main function int main() { while(1) { unsigned op = 0u; //Read ADC fPOT = POT_ADC_In; //Threshold fLDR = LDD_ADC_In; //Light reading //Write to terminal printf("POT = %6.4f\tLDR = %6.4f\n", fPOT, fLDR); if (fLDR < 0.1f) { op = kRED | kYELLOW | kGREEN; } else if (fLDR < 0.15f) { op = kYELLOW | kRED; } else if (fLDR < 0.2f) { op = kRED; } else { op = 0; } //Write to port binaryOutput = op; //Wait wait(0.1); } //end while(1) } //end main