Diff: PCA9633.h

Revision:

0:39b243509a43

Child:

1:f95d80e0f84a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA9633.h	Wed Jun 20 12:56:31 2018 +0000
@@ -0,0 +1,75 @@
+#ifndef PCA9633_H
+#define PCA9633_H
+
+#include "mbed.h"
+/** PCA9633 class.
+ *  PCA9633 4-bit Fm+ I2C-bus LED driver.
+ *  This driver ignore !OE pin functionality.
+ *  This driver disable i2c LED All Call address.
+ *  This driver disable i2c SUB addresing.  
+ */  
+class PCA9633{
+    public:
+    
+        enum state{
+            OFF = 0,        //LED driver is off (default power-up state) 
+            FULL = 1,       //LED driver is fully on
+            SINGLE = 2,     //LED driver individual brightness can be controlled 
+                            //through its PWMx register.
+            GROUP = 3,      //LED driver individual brightness and group 
+                            //dimming/blinking can be controlled through its 
+                            //PWMx register and the PCA9633_GRPPWM registers.
+            ALL = 4,        //Select all LED for pos
+            I2C_ADDR = 0x62 //Base I2C address 
+        };
+        /** Create PCA9633 instance + config method
+        * @param I2C initialized I2C bus to use
+        * @param addr I2C address default 0x62
+        * @param invert invert output state
+        * @param output was opendrain or push/pull
+        */
+        PCA9633(I2C *i2c, char addr=PCA9633::I2C_ADDR, bool invert=false, bool openDrain=false);
+        
+        /** Configure
+        * @param invert invert output state
+        * @param output was opendrain or push/pull
+        */
+        void config(bool invert, bool openDrain);
+        
+        /** Soft Reset ALL PCA9633 on I2C bus
+        */
+        void softReset(void);
+        
+        
+        /** Set PWM value for 1 or all LED
+        * @param bright <0,255> duty cycle
+        * @param pos select output<0,3> (all if >3)
+        */
+        void pwm(char bright, char pos=PCA9633::ALL);
+        
+        /** Set general dimmer (if ledout = single | group)
+        * Disable BLINK
+        * @param val slowest pwm superimposed on led pwm
+        */
+        void dim(char val);
+        
+        /** Blinking led (if ledout = single | group)
+        * Disable DIMMER
+        * @param duty <0,255> duty cycle
+        * @param period <0.041,10.73> is seconds
+        */
+        void blink(char duty, float period);
+        
+        /** Set output state
+        * @param state off, full(on, nopwm), single(pwm, no dim|blink), group(pwm+dim|blink)
+        * @param pos select output<0,3> (all if >3)
+        */
+        void ledout(char state=PCA9633::GROUP, char pos=PCA9633::ALL);
+        
+    private:
+        I2C *_i2c;
+        char _addr;
+        char _buf[5];
+};
+
+#endif