P422_Labs / Mbed 2 deprecated LAB2

Lab2 code

Dependencies:   mbed

main.cpp@0:7cab971d062d, 2018-01-31 (annotated)

Committer:
m0t0
Date:
Wed Jan 31 00:44:59 2018 +0000
Revision:
0:7cab971d062d
LAB2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
m0t0 0:7cab971d062d 1
m0t0 0:7cab971d062d 2 #include "mbed.h"
m0t0 0:7cab971d062d 3 Serial pc(USBTX, USBRX);
m0t0 0:7cab971d062d 4 #if !DEVICE_ANALOGOUT
m0t0 0:7cab971d062d 5 #error You cannot use this example as the AnalogOut is not supported on this device.
m0t0 0:7cab971d062d 6 #else
m0t0 0:7cab971d062d 7 AnalogOut my_output(PA_4);
m0t0 0:7cab971d062d 8 #endif
m0t0 0:7cab971d062d 9
m0t0 0:7cab971d062d 10 #define PI (3.141592653589793238462)
m0t0 0:7cab971d062d 11 #define AMPLITUDE (1.0) // x * 3.3V
m0t0 0:7cab971d062d 12 #define PHASE (PI * 1) // 2*pi is one period
m0t0 0:7cab971d062d 13 #define RANGE (0x7FFF)
m0t0 0:7cab971d062d 14 #define OFFSET (0x7FFF)
m0t0 0:7cab971d062d 15
m0t0 0:7cab971d062d 16 // Configuration for sinewave output
m0t0 0:7cab971d062d 17 #define BUFFER_SIZE (360)
m0t0 0:7cab971d062d 18
m0t0 0:7cab971d062d 19 uint16_t buffer[BUFFER_SIZE];
m0t0 0:7cab971d062d 20
m0t0 0:7cab971d062d 21 void DCout(double Vout){
m0t0 0:7cab971d062d 22 double HEXval;
m0t0 0:7cab971d062d 23 HEXval = Vout * 19763.0;
m0t0 0:7cab971d062d 24 my_output.write_u16(HEXval);
m0t0 0:7cab971d062d 25 }
m0t0 0:7cab971d062d 26
m0t0 0:7cab971d062d 27 char s [30];
m0t0 0:7cab971d062d 28
m0t0 0:7cab971d062d 29 void scan(){
m0t0 0:7cab971d062d 30
m0t0 0:7cab971d062d 31 int i = 0;
m0t0 0:7cab971d062d 32
m0t0 0:7cab971d062d 33
m0t0 0:7cab971d062d 34 while(i<30){
m0t0 0:7cab971d062d 35 s[i] = pc.getc();
m0t0 0:7cab971d062d 36 if(s[i] != 0X0d){
m0t0 0:7cab971d062d 37 pc.putc(s[i]);
m0t0 0:7cab971d062d 38 i++;
m0t0 0:7cab971d062d 39 }
m0t0 0:7cab971d062d 40 else{
m0t0 0:7cab971d062d 41 break;
m0t0 0:7cab971d062d 42 }
m0t0 0:7cab971d062d 43 }
m0t0 0:7cab971d062d 44
m0t0 0:7cab971d062d 45 DCout(atof(s));
m0t0 0:7cab971d062d 46
m0t0 0:7cab971d062d 47
m0t0 0:7cab971d062d 48 scan();
m0t0 0:7cab971d062d 49
m0t0 0:7cab971d062d 50
m0t0 0:7cab971d062d 51 }
m0t0 0:7cab971d062d 52
m0t0 0:7cab971d062d 53
m0t0 0:7cab971d062d 54 int main() {
m0t0 0:7cab971d062d 55
m0t0 0:7cab971d062d 56 char p1 [] = "Enter Voltage";
m0t0 0:7cab971d062d 57 pc.printf("%s\n", p1);
m0t0 0:7cab971d062d 58 scan();
m0t0 0:7cab971d062d 59 }
m0t0 0:7cab971d062d 60