Janus Bo Andersen / Mbed 2 deprecated PRO1_amp_test

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Dependencies:   mbed m3pi

main.cpp@3:783382bcf2ec, 2018-11-30 (annotated)

Committer:
janusboandersen
Date:
Fri Nov 30 12:18:13 2018 +0000
Revision:
3:783382bcf2ec
Parent:
2:41af46339652 
Put results in comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
janusboandersen 3:783382bcf2ec 1 /*
janusboandersen 3:783382bcf2ec 2 * This program utilizes max power on the m3pi to measure current
janusboandersen 3:783382bcf2ec 3 * Results: about 7-800 mA when no resistance on motors
janusboandersen 3:783382bcf2ec 4 * about 1000-1100 mA when physical resistance on motors (not stalling)
janusboandersen 3:783382bcf2ec 5 */
janusboandersen 0:2b88d9638dd6 6 #include "mbed.h"
janusboandersen 0:2b88d9638dd6 7 #include "m3pi.h"
janusboandersen 0:2b88d9638dd6 8
janusboandersen 0:2b88d9638dd6 9 m3pi m3pi;
janusboandersen 0:2b88d9638dd6 10
janusboandersen 0:2b88d9638dd6 11
janusboandersen 0:2b88d9638dd6 12 //Print to LCD (character, line) numbers are zero indexed
janusboandersen 0:2b88d9638dd6 13 void print_battery() {
janusboandersen 0:2b88d9638dd6 14
janusboandersen 0:2b88d9638dd6 15 //measure battery voltage
janusboandersen 0:2b88d9638dd6 16 float f = m3pi.battery();
janusboandersen 0:2b88d9638dd6 17 char text[8];
janusboandersen 0:2b88d9638dd6 18 m3pi.cls();
janusboandersen 0:2b88d9638dd6 19 m3pi.locate(0,0);
janusboandersen 0:2b88d9638dd6 20
janusboandersen 0:2b88d9638dd6 21 //convert to a string
janusboandersen 0:2b88d9638dd6 22 sprintf(text, "%4.2f", f);
janusboandersen 0:2b88d9638dd6 23 m3pi.printf(text);
janusboandersen 0:2b88d9638dd6 24 }
janusboandersen 0:2b88d9638dd6 25
janusboandersen 0:2b88d9638dd6 26
janusboandersen 0:2b88d9638dd6 27 int main(void) {
janusboandersen 0:2b88d9638dd6 28
janusboandersen 0:2b88d9638dd6 29 //user push button p21
janusboandersen 0:2b88d9638dd6 30 DigitalIn button(p21);
janusboandersen 0:2b88d9638dd6 31 button.mode(PullUp);
janusboandersen 0:2b88d9638dd6 32
janusboandersen 0:2b88d9638dd6 33 //set the LEDs as objects
janusboandersen 0:2b88d9638dd6 34 //on the m3pi
janusboandersen 0:2b88d9638dd6 35 DigitalOut redled8(p13);
janusboandersen 0:2b88d9638dd6 36 DigitalOut redled7(p14);
janusboandersen 0:2b88d9638dd6 37 DigitalOut redled6(p15);
janusboandersen 0:2b88d9638dd6 38 DigitalOut redled5(p16);
janusboandersen 0:2b88d9638dd6 39 DigitalOut redled4(p17);
janusboandersen 0:2b88d9638dd6 40 DigitalOut redled3(p18);
janusboandersen 0:2b88d9638dd6 41 DigitalOut redled2(p19);
janusboandersen 0:2b88d9638dd6 42 DigitalOut redled1(p20);
janusboandersen 0:2b88d9638dd6 43
janusboandersen 0:2b88d9638dd6 44 //on the mbed
janusboandersen 0:2b88d9638dd6 45 DigitalOut myled1 (LED1);
janusboandersen 0:2b88d9638dd6 46 DigitalOut myled2 (LED2);
janusboandersen 0:2b88d9638dd6 47 DigitalOut myled3 (LED3);
janusboandersen 0:2b88d9638dd6 48 DigitalOut myled4 (LED4);
janusboandersen 0:2b88d9638dd6 49
janusboandersen 0:2b88d9638dd6 50
janusboandersen 2:41af46339652 51 // Set all LEDs to on
janusboandersen 2:41af46339652 52 redled1 = 1;
janusboandersen 2:41af46339652 53 redled2 = 1;
janusboandersen 2:41af46339652 54 redled3 = 1;
janusboandersen 2:41af46339652 55 redled4 = 1;
janusboandersen 2:41af46339652 56 redled5 = 1;
janusboandersen 2:41af46339652 57 redled6 = 1;
janusboandersen 2:41af46339652 58 redled7 = 1;
janusboandersen 2:41af46339652 59 redled8 = 1;
janusboandersen 2:41af46339652 60 myled1 = 1;
janusboandersen 2:41af46339652 61 myled2 = 1;
janusboandersen 2:41af46339652 62 myled3 = 1;
janusboandersen 2:41af46339652 63 myled4 = 1;
janusboandersen 0:2b88d9638dd6 64
janusboandersen 0:2b88d9638dd6 65
janusboandersen 0:2b88d9638dd6 66 //Initialize the car
janusboandersen 2:41af46339652 67 m3pi.sensor_auto_calibrate();
janusboandersen 0:2b88d9638dd6 68
janusboandersen 0:2b88d9638dd6 69 // Start the loop
janusboandersen 0:2b88d9638dd6 70 while (1) {
janusboandersen 2:41af46339652 71
janusboandersen 2:41af46339652 72 // set full speed
janusboandersen 2:41af46339652 73 m3pi.left_motor(1.0);
janusboandersen 2:41af46339652 74 m3pi.right_motor(1.0);
janusboandersen 0:2b88d9638dd6 75
janusboandersen 2:41af46339652 76 //print voltage
janusboandersen 2:41af46339652 77 print_battery();
janusboandersen 2:41af46339652 78 }
janusboandersen 0:2b88d9638dd6 79
janusboandersen 2:41af46339652 80 }