InetrfaceProducts NXP
This is a driver code for the PCA9632 is an I2C-bus controlled 4-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. In Individual brightness control mode, each LED output has its own 8-bit resolution (256 steps) fixed frequency Individual PWM controller that operates at 1.5625 kHz with a duty cycle that is adjustable from 0 % to 99.6 % to allow the LED to be set to a specific brightness value. This library including device class and "LedPwmOut class API" for ease of use.
Please refer to the component page for details
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 "PCA9632.h"
PCA9632 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 );
}
}
}
Revision 1:32308cbf7e68, committed 2015-03-04
- Comitter:
- nxp_ip
- Date:
- Wed Mar 04 08:37:34 2015 +0000
- Parent:
- 0:da1fe3fe7093
- Child:
- 2:3574bf73abf5
- Commit message:
- "CompLedDvr" library included
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CompLedDvr.lib Wed Mar 04 08:37:34 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/nxp_ip/code/CompLedDvr/#a0e4342d3b3d
--- a/CompLedDvr/CompLedDvr.cpp Wed Mar 04 04:12:53 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-
-#include "mbed.h"
-#include "CompLedDvr.h"
-
-CompLedDvr::CompLedDvr() {}
-CompLedDvr::~CompLedDvr() {}
--- a/CompLedDvr/CompLedDvr.h Wed Mar 04 04:12:53 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,51 +0,0 @@
-/** Abstract class for LED driver component
- *
- * Abstract class for LED driver family
- * No instance can be made from this class
- *
- * @author Akifumi (Tedd) OKANO, NXP Semiconductors
- * @version 0.5
- * @date 04-Mar-2015
- *
- * Released under the Apache 2 license License
- */
-
-#ifndef MBED_CompLedDvr
-#define MBED_CompLedDvr
-
-#include "mbed.h"
-
-typedef enum {
- /** Pin names of LED driver. Those are L0 .. L3, not like "LED0" to avoid mbed board LED names */
- L0, /**< LED0 pin */
- L1, /**< LED1 pin */
- L2, /**< LED2 pin */
- L3, /**< LED3 pin */
- L_NC = ~0x0L /**< for when the pin is left no-connection */
-} LedPinName;
-
-
-/** Abstract class for LED driver component
- *
- * @class CompLedDvr
- *
- * Abstract class for LED driver family
- * No instance can be made from this class
- */
-class CompLedDvr
-{
-public:
- /** Default constructor */
- CompLedDvr();
-
- /** Destructor */
- virtual ~CompLedDvr();
-
- /** Virtual function to define standard function of the component */
- virtual void pwm( int port, float v ) = 0;
-}
-;
-
-#endif // MBED_CompLedDvr
-
-
--- a/CompLedDvr/CompLedDvrAPI.h Wed Mar 04 04:12:53 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -#include "LedPwmOut.h"
--- a/CompLedDvr/LedPwmOut.cpp Wed Mar 04 04:12:53 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,23 +0,0 @@
-#include "mbed.h"
-#include "LedPwmOut.h"
-
-LedPwmOut::LedPwmOut( CompLedDvr &ledp, LedPinName pin_name )
- : leddvrp( &ledp ), pin( pin_name )
-{
- pwm( 0.0 );
-}
-
-LedPwmOut::~LedPwmOut()
-{
-}
-
-void LedPwmOut::pwm( float v )
-{
- leddvrp->pwm( pin, v );
-}
-
-LedPwmOut& LedPwmOut::operator=( float rhs )
-{
- pwm( rhs );
- return ( *this );
-}
\ No newline at end of file
--- a/CompLedDvr/LedPwmOut.h Wed Mar 04 04:12:53 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,62 +0,0 @@
-/** LedPwmOut class for LED driver component
- *
- * @author Akifumi (Tedd) OKANO, NXP Semiconductors
- * @version 0.5
- * @date 04-Mar-2015
- *
- * Released under the Apache 2 license License
- */
-
-#ifndef MBED_LedPwmOut
-#define MBED_LedPwmOut
-
-#include "mbed.h"
-#include "CompLedDvr.h"
-
-/** LedPwmOut class
- *
- * "LedPwmOut" class works like "PwmOut" class of mbed-SDK.
- * This class provides API on device's pin level with abstracting the LED controller.
- *
- * Example:
- * @code
- * #include "mbed.h"
- * #include "PCA9632.h"
- *
- * PCA9632 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 );
- * }
- * }
- * }
- * @endcode
- */
-
-
-class LedPwmOut
-{
-public:
- LedPwmOut( CompLedDvr &ledp, LedPinName pin_name );
- virtual ~LedPwmOut();
-
- virtual void pwm( float v );
-
- /** A shorthand for write()
- */
- LedPwmOut& operator= ( float rhs );
-
-private:
- CompLedDvr *leddvrp;
- LedPinName pin;
-
- void pwm( int pin, float value );
-}
-;
-
-#endif // MBED_LedPwmOut
PCA9632 : 4ch LED driver (voltage switch type)