Hello world code for PCA9622 class library. The PCA9622 is a 16-channel Fm+ I2C-bus 100mA/40 V LED driver. This program shows its basic operation of PWM output.

Dependencies:   PCA962x mbed

Please refer to the component page for details

8, 16 & 24-channel Fm+ I2C-bus 100mA/40 V LED driver

High-level API is available

A high-level API that can be used as the "PwmOut" of bed-SDK is available.
This API enables to make instances of each LED output pins and control PWM duty cycle by assignment.
For detail information, refer API document of LedPwmOut Class class which is included in PCA962xA class library.

#include "mbed.h"
#include "PCA9622.h"

PCA9622     led_cntlr( p28, p27, 0xC4 );  //  SDA, SCL, Slave_address(option)
LedPwmOut   led( led_cntlr, L0 );

int main()
{
    while( 1 ) {
        for( float p = 0.0f; p < 1.0f; p += 0.1f ) {
            led     = p;
            wait( 0.1 );
        }
    }
}
Committer:
nxp_ip
Date:
Thu Mar 19 10:09:37 2015 +0000
Revision:
3:bd423ccaade9
Parent:
1:bf55a593bb79
Sample code updated to use high-level-API : LedPwmOut

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nxp_ip 0:50dfba014c21 1 #include "mbed.h"
nxp_ip 3:bd423ccaade9 2 #include "PCA9622.h"
nxp_ip 0:50dfba014c21 3
nxp_ip 3:bd423ccaade9 4 PCA9622 led_cntlr( p28, p27, 0x3E ); // SDA, SCL, Slave_address(option)
nxp_ip 3:bd423ccaade9 5 LedPwmOut led0( led_cntlr, L0 ); // Instance for LED0 pin
nxp_ip 3:bd423ccaade9 6 LedPwmOut led1( led_cntlr, L1 ); // Instance for LED1 pin
nxp_ip 3:bd423ccaade9 7 LedPwmOut led2( led_cntlr, L2 ); // Instance for LED2 pin
nxp_ip 0:50dfba014c21 8
nxp_ip 0:50dfba014c21 9 int main()
nxp_ip 0:50dfba014c21 10 {
nxp_ip 0:50dfba014c21 11 while(1) {
nxp_ip 3:bd423ccaade9 12
nxp_ip 3:bd423ccaade9 13 for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
nxp_ip 3:bd423ccaade9 14 led0 = p; // Set LED0 output PWM dutycycle as 'p'
nxp_ip 3:bd423ccaade9 15 wait( 0.01 );
nxp_ip 0:50dfba014c21 16 }
nxp_ip 1:bf55a593bb79 17
nxp_ip 3:bd423ccaade9 18 for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
nxp_ip 3:bd423ccaade9 19 led1 = p; // Set LED1 output PWM dutycycle as 'p'
nxp_ip 3:bd423ccaade9 20 wait( 0.01 );
nxp_ip 3:bd423ccaade9 21 }
nxp_ip 1:bf55a593bb79 22
nxp_ip 3:bd423ccaade9 23 for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
nxp_ip 3:bd423ccaade9 24 led2 = p; // Set LED2 output PWM dutycycle as 'p'
nxp_ip 3:bd423ccaade9 25 wait( 0.01 );
nxp_ip 1:bf55a593bb79 26 }
nxp_ip 1:bf55a593bb79 27 }
nxp_ip 1:bf55a593bb79 28 }