InetrfaceProducts NXP / Mbed 2 deprecated PCA9622_Hello

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 );
        }
    }
}

Files at this revision

API Documentation at this revision

Revision 3:bd423ccaade9, committed 2015-03-19

Comitter:
nxp_ip
Date:
Thu Mar 19 10:09:37 2015 +0000
Parent:
2:51407e8504ee
Commit message:
Sample code updated to use high-level-API : LedPwmOut

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Wed Mar 04 08:33:27 2015 +0000
+++ b/main.cpp	Thu Mar 19 10:09:37 2015 +0000
@@ -1,60 +1,28 @@
 #include "mbed.h"
+#include "PCA9622.h"
 
-#include "PCA9622.h"
-PCA9622   led_cntlr( p28, p27, 0x3E );    //  SDA, SCL, Slave_address(option)
+PCA9622     led_cntlr( p28, p27, 0x3E );    //  SDA, SCL, Slave_address(option)
+LedPwmOut   led0( led_cntlr, L0  );         //  Instance for LED0 pin
+LedPwmOut   led1( led_cntlr, L1  );         //  Instance for LED1 pin
+LedPwmOut   led2( led_cntlr, L2  );         //  Instance for LED2 pin
 
 int main()
 {
     while(1) {
-        for ( int port = 0; port < led_cntlr.number_of_ports(); port++ ) {
-            for ( int i = 1; i <= 100; i++ ) {
-                led_cntlr.pwm(  port, (float)i / 100.0 );
-                wait( 0.01 );
-            }
+
+        for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
+            led0    = p;    //  Set LED0 output PWM dutycycle as 'p'
+            wait( 0.01 );
         }
-        led_cntlr.pwm( ALLPORTS, 0.0 );
-    }
-}
-
-
-
-
-#if 0   //  Sample of using LedPwmOut API
-#include "mbed.h"
-#include "PCA9626.h"
-#include "PCA9622.h"
-#include "PCA9624.h"
-
-PCA9622    led_cntlr( p28, p27, 0x3E );    //  SDA, SCL, Slave_address(option)
 
-LedPwmOut   leds[]  = {
-    LedPwmOut( led_cntlr, L0  ),
-    LedPwmOut( led_cntlr, L1  ),
-    LedPwmOut( led_cntlr, L2  ),
-    LedPwmOut( led_cntlr, L3  ),
-    LedPwmOut( led_cntlr, L4  ),
-    LedPwmOut( led_cntlr, L5  ),
-    LedPwmOut( led_cntlr, L6  ),
-    LedPwmOut( led_cntlr, L7  ),
-    LedPwmOut( led_cntlr, L8  ),
-    LedPwmOut( led_cntlr, L9  ),
-    LedPwmOut( led_cntlr, L10 ),
-    LedPwmOut( led_cntlr, L11 ),
-    LedPwmOut( led_cntlr, L12 ),
-    LedPwmOut( led_cntlr, L13 ),
-    LedPwmOut( led_cntlr, L14 ),
-    LedPwmOut( led_cntlr, L15 ),
-};
+        for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
+            led1    = p;    //  Set LED1 output PWM dutycycle as 'p'
+            wait( 0.01 );
+        }
 
-int main()
-{
-    while(1) {
-        for ( int ch = 0; ch < 16; ch++ ) {
-            for ( float p = 0.0; p < 1.0; p += 0.01 ) {
-                leds[ ch ]  = p;
-                wait( 0.01 );
-            }
+        for ( float p = 1.0; p >= 0.0; p -= 0.01 ) {
+            led2    = p;    //  Set LED2 output PWM dutycycle as 'p'
+            wait( 0.01 );
         }
     }
 }
-#endif
\ No newline at end of file