Chris Styles / Mbed 2 deprecated m3pi_BatteryCharger

Example code for charging a battery

Dependencies:   m3pi mbed

Fork of m3pi_HelloWorld by Chris Styles

main.cpp@8:c0d66bb36209, 2013-01-18 (annotated)

Committer:
chris
Date:
Fri Jan 18 16:44:41 2013 +0000
Revision:
8:c0d66bb36209
Parent:
7:d0689e8f23bf 
first check in

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chris 0:93bba564574a 1 #include "mbed.h"
chris 0:93bba564574a 2 #include "m3pi.h"
chris 0:93bba564574a 3
chris 7:d0689e8f23bf 4 m3pi m3pi;
chris 8:c0d66bb36209 5 DigitalOut relay (p20);
chris 0:93bba564574a 6
chris 8:c0d66bb36209 7 void charge (float volts);
chris 8:c0d66bb36209 8 void charge (float volts)
chris 8:c0d66bb36209 9 {
chris 8:c0d66bb36209 10
chris 8:c0d66bb36209 11 volatile float current_volts = m3pi.battery();
chris 8:c0d66bb36209 12
chris 8:c0d66bb36209 13 if (current_volts < volts) { // needs charging
chris 8:c0d66bb36209 14 relay = 1; // switch relay on
chris 8:c0d66bb36209 15 while (current_volts < volts) {
chris 8:c0d66bb36209 16 current_volts = m3pi.battery();
chris 8:c0d66bb36209 17 m3pi.cls();
chris 8:c0d66bb36209 18 m3pi.locate(0,0);
chris 8:c0d66bb36209 19 m3pi.printf("%.2f",current_volts);
chris 8:c0d66bb36209 20 wait(10.0);
chris 8:c0d66bb36209 21 }
chris 8:c0d66bb36209 22 relay = 0; // switch relay off
chris 8:c0d66bb36209 23 return;
chris 8:c0d66bb36209 24
chris 8:c0d66bb36209 25 } else { // no charege needed
chris 8:c0d66bb36209 26 return;
chris 8:c0d66bb36209 27 }
chris 8:c0d66bb36209 28
chris 8:c0d66bb36209 29 }
chris 8:c0d66bb36209 30
chris 8:c0d66bb36209 31
chris 8:c0d66bb36209 32 int main()
chris 8:c0d66bb36209 33 {
chris 0:93bba564574a 34
chris 2:5a329194c74d 35 m3pi.locate(0,1);
chris 2:5a329194c74d 36 m3pi.printf("LO World");
chris 8:c0d66bb36209 37
chris 8:c0d66bb36209 38 charge(4.8); // chrage to 4.8v
chris 8:c0d66bb36209 39
chris 8:c0d66bb36209 40 }
chris 0:93bba564574a 41
chris 0:93bba564574a 42