main.cpp

00001 #include "mbed.h"
00002 #include "SLCD.h"
00003 
00004 SLCD slcd;
00005 AnalogOut DAC(PTE30);
00006 Serial pc(USBTX, USBRX);
00007 AnalogIn Ain1(PTB0);
00008 //AnalogIn Ain2(PTB1);
00009 
00010 int main() 
00011 {
00012     float ADCdata1;
00013     //float ADCdata2;
00014     float high_out = 0.999;
00015     float low_out = 0.0;
00016     float current_out = low_out;
00017     slcd.clear();
00018     int state = 0;
00019     while (1) {
00020         ADCdata1=Ain1*3.3;
00021         //ADCdata2=Ain2*3.3;
00022         pc.printf("recv_in_1 %f \n\r",ADCdata1);
00023         //pc.printf("recv_in_2 %f \n\r",ADCdata2);
00024         pc.printf("state %i \n\r",state);
00025         pc.printf("output %f \n\r", current_out);        
00026         wait (0.2);
00027         //3.8 -> 0.95
00028         if (state == 0 && ADCdata1 < 0.95)
00029         {current_out = high_out;
00030             state = 1;}                
00031         //7.5 -> 1.785
00032         //7 -> 1.75
00033         if (state == 1 && ADCdata1 > 1.785)
00034         {current_out = low_out;
00035             state = 0;}            
00036         DAC = current_out;
00037         slcd.printf("%1.3f", ADCdata1);
00038     }
00039 }