Diff: PCA9634.h

Revision:

1:40bdbe1a93b7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA9634.h	Fri Jun 22 02:09:50 2018 +0000
@@ -0,0 +1,71 @@
+#ifndef PCA9634_H
+#define PCA9634_H
+
+
+#define PCA9634_REG_MODE1       0x00        // Mode register 1
+#define PCA9634_REG_MODE2       0x01        // Mode register 2
+#define PCA9634_REG_PWM0        0x02        // brightness control LED0
+#define PCA9634_REG_PWM1        0x03        // brightness control LED1
+#define PCA9634_REG_PWM2        0x04        // brightness control LED2
+#define PCA9634_REG_PWM3        0x05        // brightness control LED3
+#define PCA9634_REG_PWM4        0x06        // brightness control LED4
+#define PCA9634_REG_PWM5        0x07        // brightness control LED5
+#define PCA9634_REG_PWM6        0x08        // brightness control LED6
+#define PCA9634_REG_PWM7        0x09        // brightness control LED7
+#define PCA9634_REG_GRPPWM      0x0A        // group duty cycle
+#define PCA9634_REG_GRPFREQ     0x0B        // group frequency
+#define PCA9634_REG_LEDOUT0     0x0C        // LED output state 0
+#define PCA9634_REG_LEDOUT1     0x0D        // LED output state 1
+#define PCA9634_REG_SUBADR1     0x0E        // I2C-bus subaddress 1
+#define PCA9634_REG_SUBADR2     0x0F        // I2C-bus subaddress 2
+#define PCA9634_REG_SUBADR3     0x10        // I2C-bus subaddress 3
+#define PCA9634_REG_ALLCALLADR  0x11        // LED All I2C-bus address
+
+#define PCA9634_ALL_LED_TO_OFF              0x00
+#define PCA9634_ALL_LED_TO_ON               0x55
+#define PCA9634_ALL_LED_TO_PWM              0xAA
+#define PCA9634_ALL_LED_TO_GRPPWM           0xFF
+
+#define ADDRESS_HI                          0x12
+#define ADDRESS_LO                          0x34
+
+#define PCA9634_ERROR_INVALID_LED           -1
+
+#include "mbed.h"
+
+enum ledID {
+    PCA_LED0 = PCA9634_REG_PWM0,
+    PCA_LED1 = PCA9634_REG_PWM1,
+    PCA_LED2 = PCA9634_REG_PWM2,
+    PCA_LED3 = PCA9634_REG_PWM3,
+    PCA_LED4 = PCA9634_REG_PWM4,
+    PCA_LED5 = PCA9634_REG_PWM5,
+    PCA_LED6 = PCA9634_REG_PWM6,
+    PCA_LED7 = PCA9634_REG_PWM7
+};
+
+class PCA9634
+{
+    public:
+        
+        PCA9634(I2C *i2c, DigitalOut *inv_out_en, int addr);
+
+        void init();
+        void enableLED(ledID led);
+        void disableLED(ledID led);
+        void dimLEDs();
+        void commandLEDOutState();
+        void commandLEDBrightness(ledID led, int brightness);
+
+    private:
+        I2C *i2c_;
+        DigitalOut *inv_out_en_;
+        
+        char led_out_state_[2];
+        
+        int addr_;
+        
+        int writeReg(char reg, char cmd);
+};
+
+#endif
\ No newline at end of file