Vincent Cheung / Mbed 2 deprecated HelloWorld

h

Dependencies:   mbed

Fork of HelloWorld by judo ~

main.cpp@4:f0a11480f39f, 2016-11-14 (annotated)

Committer:
oopakhooo
Date:
Mon Nov 14 19:59:54 2016 +0000
Revision:
4:f0a11480f39f
Parent:
3:641eefd1110b
Child:
5:afabac4fce1b
serial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:fb6bbc10ffa0 1 #include "mbed.h"
Judorunner 2:e2ae43e8acab 2 #include "PaceHeart.h"
simon 0:fb6bbc10ffa0 3
oopakhooo 3:641eefd1110b 4 //DigitalOut output_pin_A(LED1);
simon 0:fb6bbc10ffa0 5
oopakhooo 4:f0a11480f39f 6 PaceHeart* Pacer = new PaceHeart;
oopakhooo 4:f0a11480f39f 7 DigitalOut led(LED1);
oopakhooo 4:f0a11480f39f 8 Serial s(USBTX, USBRX);
oopakhooo 4:f0a11480f39f 9 void baud(int baudrate) {
oopakhooo 4:f0a11480f39f 10
oopakhooo 4:f0a11480f39f 11 s.baud(baudrate);
oopakhooo 4:f0a11480f39f 12 }
oopakhooo 4:f0a11480f39f 13
Judorunner 2:e2ae43e8acab 14
simon 0:fb6bbc10ffa0 15 int main() {
oopakhooo 4:f0a11480f39f 16 /*
oopakhooo 4:f0a11480f39f 17 baud(57600);
oopakhooo 4:f0a11480f39f 18 s.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n");
simon 0:fb6bbc10ffa0 19 while(1) {
oopakhooo 4:f0a11480f39f 20 char c = s.getc();
oopakhooo 4:f0a11480f39f 21 pc.putc(pc.getc()); //echoes back input
oopakhooo 4:f0a11480f39f 22 if((c == 'u')) {
oopakhooo 4:f0a11480f39f 23
oopakhooo 4:f0a11480f39f 24 led = !led;
oopakhooo 4:f0a11480f39f 25 }
oopakhooo 4:f0a11480f39f 26 if((c == 'd')) {
oopakhooo 4:f0a11480f39f 27 led = 0;
oopakhooo 4:f0a11480f39f 28 }
oopakhooo 4:f0a11480f39f 29 }*/
oopakhooo 4:f0a11480f39f 30 Pacer-> pace_A();
oopakhooo 4:f0a11480f39f 31 /* PwmOut out(PTA0); pulse width thingy
oopakhooo 4:f0a11480f39f 32 PwmIn in(PTD1);
oopakhooo 4:f0a11480f39f 33 float pe,pw,ds;
oopakhooo 4:f0a11480f39f 34
oopakhooo 4:f0a11480f39f 35 // set the PwmOut in seconds
oopakhooo 4:f0a11480f39f 36 out.pulsewidth(2);
oopakhooo 4:f0a11480f39f 37 out.period(4);
oopakhooo 4:f0a11480f39f 38
oopakhooo 4:f0a11480f39f 39 while (true) {
oopakhooo 4:f0a11480f39f 40 pe= in.period();
oopakhooo 4:f0a11480f39f 41 pw= in.pulsewidth();
oopakhooo 4:f0a11480f39f 42 ds= in.dutycycle();
oopakhooo 4:f0a11480f39f 43 pc.printf("A period= %f, pulsewidth= %f, duty cycle= %f\n\r",pe, pw, ds);
oopakhooo 4:f0a11480f39f 44
oopakhooo 4:f0a11480f39f 45 wait(1);
oopakhooo 4:f0a11480f39f 46 }
oopakhooo 3:641eefd1110b 47
oopakhooo 4:f0a11480f39f 48 AnalogOut aout(p18); //sets up pin 18 as an analogue output
oopakhooo 4:f0a11480f39f 49 AnalogueIn ain(p15); //sets up pin 15 and an analogue input
oopakhooo 4:f0a11480f39f 50
oopakhooo 4:f0a11480f39f 51 int main(){
oopakhooo 4:f0a11480f39f 52 aout=0.5; //sets output to 0.5*VCC
oopakhooo 4:f0a11480f39f 53 while(1){ //sets up a loop
oopakhooo 4:f0a11480f39f 54 if (ain>0.3){ //tests whether the input is above 0.3
oopakhooo 4:f0a11480f39f 55 aout=0; //sets the output to 0
oopakhooo 4:f0a11480f39f 56 }
oopakhooo 4:f0a11480f39f 57 aout = 0.5;
oopakhooo 4:f0a11480f39f 58 wait(1);
oopakhooo 4:f0a11480f39f 59 aout = 0;
oopakhooo 4:f0a11480f39f 60
oopakhooo 4:f0a11480f39f 61 }
oopakhooo 4:f0a11480f39f 62
oopakhooo 4:f0a11480f39f 63 sine wave output
oopakhooo 4:f0a11480f39f 64 const double pi = 3.141592653589793238462;
oopakhooo 4:f0a11480f39f 65 const double amplitude = 0.5f;
oopakhooo 4:f0a11480f39f 66 const double offset = 65535/2;
oopakhooo 4:f0a11480f39f 67 double rads = 0.0;
oopakhooo 4:f0a11480f39f 68 uint16_t sample = 0;
oopakhooo 4:f0a11480f39f 69
oopakhooo 4:f0a11480f39f 70 while(1) {
oopakhooo 4:f0a11480f39f 71 // sinewave output
oopakhooo 4:f0a11480f39f 72 for (int i = 0; i < 360; i++) {
oopakhooo 4:f0a11480f39f 73 rads = (pi * i) / 180.0f;
oopakhooo 4:f0a11480f39f 74 sample = (uint16_t)(amplitude * (offset * (cos(rads + pi))) + offset);
oopakhooo 4:f0a11480f39f 75 aout.write_u16(sample);
oopakhooo 4:f0a11480f39f 76 }
oopakhooo 4:f0a11480f39f 77 }
oopakhooo 4:f0a11480f39f 78 */
simon 0:fb6bbc10ffa0 79 }