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Dependencies:   PCA9632 mbed

main.cpp@2:b8c6902f2ff7, 2015-03-04 (annotated)

Committer:
nxp_ip
Date:
Wed Mar 04 08:38:06 2015 +0000
Revision:
2:b8c6902f2ff7
Parent:
0:71a4bafbcad2
Child:
3:0143415767e4
Library update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nxp_ip 0:71a4bafbcad2 1 #include "mbed.h"
nxp_ip 0:71a4bafbcad2 2 #include "PCA9632.h"
nxp_ip 0:71a4bafbcad2 3
nxp_ip 0:71a4bafbcad2 4 PCA9632 led_cntlr( p28, p27, 0xC4 ); // SDA, SCL, Slave_address(option)
nxp_ip 0:71a4bafbcad2 5 LedPwmOut led( led_cntlr, L0 ); // for LED0 pin
nxp_ip 0:71a4bafbcad2 6
nxp_ip 0:71a4bafbcad2 7 int main()
nxp_ip 0:71a4bafbcad2 8 {
nxp_ip 0:71a4bafbcad2 9 //
nxp_ip 0:71a4bafbcad2 10 // Here are two types of PWM control samples
nxp_ip 0:71a4bafbcad2 11 // (User can choose one of those interface to set the PWM.)
nxp_ip 0:71a4bafbcad2 12 //
nxp_ip 0:71a4bafbcad2 13 // 1st sample is using LedPwmOut API.
nxp_ip 0:71a4bafbcad2 14 // It provides similar interface like PwmOut of mbed-SDK
nxp_ip 0:71a4bafbcad2 15 //
nxp_ip 0:71a4bafbcad2 16 // 2nd sample is using PCA9632 class function.
nxp_ip 0:71a4bafbcad2 17 // the 'pwm()' function takes LED channel number and duty-ratio value
nxp_ip 0:71a4bafbcad2 18 //
nxp_ip 0:71a4bafbcad2 19
nxp_ip 0:71a4bafbcad2 20 while ( 1 ) {
nxp_ip 0:71a4bafbcad2 21
nxp_ip 0:71a4bafbcad2 22 //
nxp_ip 0:71a4bafbcad2 23 // 1st sample is using LedPwmOut API.
nxp_ip 0:71a4bafbcad2 24 // PWM control via LedPwmOut
nxp_ip 0:71a4bafbcad2 25 //
nxp_ip 0:71a4bafbcad2 26 for ( int i = 0; i < 3; i++ ) {
nxp_ip 2:b8c6902f2ff7 27 for( float p = 0.0f; p < 1.0f; p += 0.01f ) {
nxp_ip 0:71a4bafbcad2 28 led = p; // Controls LED0 pin
nxp_ip 2:b8c6902f2ff7 29 wait( 0.01 );
nxp_ip 0:71a4bafbcad2 30 }
nxp_ip 0:71a4bafbcad2 31 }
nxp_ip 0:71a4bafbcad2 32
nxp_ip 0:71a4bafbcad2 33 //
nxp_ip 0:71a4bafbcad2 34 // 2nd sample is using PCA9632 class function.
nxp_ip 0:71a4bafbcad2 35 // PWM control by device class function call
nxp_ip 0:71a4bafbcad2 36 //
nxp_ip 0:71a4bafbcad2 37 for ( int i = 0; i < 3; i++ ) {
nxp_ip 2:b8c6902f2ff7 38 for( float p = 0.0f; p < 1.0f; p += 0.01f ) {
nxp_ip 2:b8c6902f2ff7 39 led_cntlr.pwm( 3, p ); // Controls LED1 pin
nxp_ip 2:b8c6902f2ff7 40 wait( 0.01 );
nxp_ip 0:71a4bafbcad2 41 }
nxp_ip 0:71a4bafbcad2 42 }
nxp_ip 0:71a4bafbcad2 43 }
nxp_ip 0:71a4bafbcad2 44 }