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Logic code
main.cpp
- Committer:
- EricGlunn
- Date:
- 2020-04-20
- Revision:
- 0:f4b1c6a95f25
- Child:
- 1:14e49afb1d7c
File content as of revision 0:f4b1c6a95f25:
#include "mbed.h" #define reset 0b00000000 //Define masks #define digital 0b00100000 #define analog 0b01000000 #define I2C 0b01100000 #define stateMask 0b11100000 #define pinMask 0b00011111 #define pin1 0b00010000 #define pin2 0b00001000 #define pin3 0b00000100 #define pin4 0b00000010 #define pin5 0b00000001 DigitalOut myled(LED1); DigitalOut DigitalStatus(LED2); //Led for when Digital read is running DigitalOut AnalogStatus(LED3); //LED for when Analog read is running DigitalIn d1(p21); //Always set these pins for digital in DigitalIn d2(p22); DigitalIn d3(p23); DigitalIn d4(p24); DigitalIn d5(p25); AnalogIn a1(p16); //Always set these pins for analog in AnalogIn a2(p17); AnalogIn a3(p18); AnalogIn a4(p19); AnalogIn a5(p20); Serial PC(USBTX,USBRX); Ticker tickerboi; //Initialize the ticker for Sampling volatile unsigned char DigitalSample; volatile unsigned char AnalogSample[5]; volatile bool DigitalRunning; volatile bool AnalogRunning; volatile unsigned char command; volatile unsigned char state; volatile bool newDigital=false; volatile bool newAnalog=false; void digital_sample_func(void){ //sampling function, samples each pin specified and Ors it DigitalSample = digital; if( (command & pin1) == pin1){ DigitalSample=DigitalSample + d1*pin1; } if( (command & pin2) == pin2){ DigitalSample=DigitalSample + d2*pin2; } if( (command & pin3) == pin3){ DigitalSample=DigitalSample + d3*pin3; } if( (command & pin4) == pin4){ DigitalSample=DigitalSample + d4*pin4; } if( (command & pin5) == pin5){ DigitalSample=DigitalSample + d5*pin5; } newDigital=true; } void analog_sample_func(void){ for(int i=0; i<5; i++){ AnalogSample[i]=0; } if( (command & pin1) == pin1){ AnalogSample[0]=a1*255; } if( (command & pin2) == pin2){ AnalogSample[1]=a2*255; } if( (command & pin3) == pin3){ AnalogSample[2]=a3*255; } if( (command & pin4) == pin4){ AnalogSample[3]=a4*255; } if( (command & pin5) == pin5){ AnalogSample[4]=a5*255; } newAnalog=true; } void SerialInterrupt(void){ command=PC.getc(); state= command & stateMask; switch(state){ case reset: tickerboi.detach(); //detach Ticker DigitalRunning=false; //turn off status LED AnalogRunning=false; break; case digital: tickerboi.attach(&digital_sample_func, .1); //Ticker will call digital read every 100 ms DigitalRunning=true; // turn on status LED break; case analog: tickerboi.attach(&analog_sample_func, .01); //Ticker will call analog read every 10ms AnalogRunning=true; } } int main() { PC.attach(&SerialInterrupt, Serial::RxIrq); while(1) { DigitalStatus=DigitalRunning; //Indicate DigitalRead is running AnalogStatus=AnalogRunning; //Indicate analogRead is running if(newDigital){ //if digital sampling was run PC.putc(DigitalSample); newDigital=false; } if(newAnalog){ //if analog sampling was run PC.putc(analog); //First bit is 0b01000000 for(int i=0; i<5; i++){ //Send all of the analog bits PC.putc(AnalogSample[i]); } PC.putc(command); //Last bit is command from PC newAnalog=false; } myled = 1; //indicate main loop is running wait(0.2); myled = 0; wait(0.2); } }