pca9532.h

#ifndef PCA9532_H
#define PCA9532_H

#include "global.h"

// device base address
#define PCA9532_I2C_BASE_ADDR   0x60

// device registers
#define PCA9532_REG_INPUT0      0
#define PCA9532_REG_INPUT1      1
#define PCA9532_REG_PSC0        2
#define PCA9532_REG_PWM0        3
#define PCA9532_REG_PSC1        4
#define PCA9532_REG_PWM1        5
#define PCA9532_REG_LS0         6
#define PCA9532_REG_LS1         7
#define PCA9532_REG_LS2         8
#define PCA9532_REG_LS3         9

// possible pin/led states
#define PCA9532_LED_OFF         0
#define PCA9532_LED_ON          1
#define PCA9532_LED_DIM0        2
#define PCA9532_LED_DIM1        3

void pca9532Init(u08 node);

void pca9532SetPinState(u08 node, u08 pin, u08 state);

void pca9532SetFreq(u08 node, u08 ch, u08 period);

void pca9532SetPWM(u08 node, u08 ch, u08 duty);

u16 pca9532GetInput(u08 node);


#endif

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