Paolo Sanna / Mbed 2 deprecated PCA9685_with_LED

Two LEDS connected on chanel 0 and 1 that change their brightness continually.

Dependencies:   PCA9685PWM mbed

main.cpp@1:812d6effcc5f, 2015-07-24 (annotated)

Committer:
dreamworker
Date:
Fri Jul 24 09:49:38 2015 +0000
Revision:
1:812d6effcc5f
Parent:
0:46968a9b2b95 
Test program for PCA9685 library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreamworker 0:46968a9b2b95 1 /*Test program for PCA9685 library
dreamworker 1:812d6effcc5f 2 *Two leds connected on chanel 0 and 1 that change their brightness continually
dreamworker 0:46968a9b2b95 3 */
dreamworker 0:46968a9b2b95 4 #include"PCA9685.h"
dreamworker 0:46968a9b2b95 5 #include"mbed.h"
dreamworker 0:46968a9b2b95 6
dreamworker 0:46968a9b2b95 7
dreamworker 0:46968a9b2b95 8
dreamworker 0:46968a9b2b95 9 PCA9685 pwm(D14,D15);
dreamworker 0:46968a9b2b95 10
dreamworker 0:46968a9b2b95 11
dreamworker 0:46968a9b2b95 12 void initDriver() {
dreamworker 0:46968a9b2b95 13 pwm.begin();
dreamworker 0:46968a9b2b95 14 pwm.setPWMFreq(1600); // max frequency
dreamworker 0:46968a9b2b95 15 pwm.frequencyI2C(400000); //400kHz fast I2C comunication
dreamworker 0:46968a9b2b95 16 }
dreamworker 0:46968a9b2b95 17
dreamworker 0:46968a9b2b95 18 int main() {
dreamworker 0:46968a9b2b95 19 initDriver();
dreamworker 0:46968a9b2b95 20
dreamworker 0:46968a9b2b95 21 while(1){
dreamworker 0:46968a9b2b95 22 for (int i = 0; i < 4095; i=i+8){
dreamworker 0:46968a9b2b95 23 pwm.setPWM(0,4095-i,0);
dreamworker 0:46968a9b2b95 24 wait(0.0005);
dreamworker 0:46968a9b2b95 25 pwm.setPWM(1,i,0);
dreamworker 0:46968a9b2b95 26 wait(0.0005);
dreamworker 0:46968a9b2b95 27 }
dreamworker 0:46968a9b2b95 28 for (int i = 4094; i > 0; i=i-8){
dreamworker 0:46968a9b2b95 29 pwm.setPWM(0,4095-i,0);
dreamworker 0:46968a9b2b95 30 wait(0.0005);
dreamworker 0:46968a9b2b95 31 pwm.setPWM(1,i,0);
dreamworker 0:46968a9b2b95 32 wait(0.0005); }
dreamworker 0:46968a9b2b95 33 }
dreamworker 0:46968a9b2b95 34 }