#include "../smbus.h"

smbus_callback_t smbus_PCA9535_write;
smbus_callback_t smbus_PCA9535_read;

#define DIPSW_LANDSCAPE 0b0000'0'000
#define DIPSW_PORTRAIT 0b0000'1'000

#define DIPSW_RES_DEFAULT 0b0'000'0000  // = 640x480
#define DIPSW_RES_640x480 0b0'001'0000
#define DIPSW_RES_1024x600 0b0'010'0000
#define DIPSW_RES_1024x768 0b0'011'0000
#define DIPSW_RES_1280x720 0b0'100'0000
#define DIPSW_RES_1280x1024 0b0'101'0000
#define DIPSW_RES_1360x768 0b0'110'0000
#define DIPSW_RES_1920x1080 0b0'111'0000

#define PCA9535_REG_IN0 0x00
#define PCA9535_REG_IN1 0x01
#define PCA9535_REG_OUT0 0x02
#define PCA9535_REG_OUT1 0x03
#define PCA9535_REG_INV0 0x04
#define PCA9535_REG_INV1 0x05
#define PCA9535_REG_CONF0 0x06
#define PCA9535_REG_CONF1 0x07

#define PCA9535_GND 0
#define PCA9535_VCC 1

#define PCA9535_PIN_A0 PCA9535_GND
#define PCA9535_PIN_A1 PCA9535_GND
#define PCA9535_PIN_A2 PCA9535_GND

#define PCA9535_ADDRESS \
    (0b0100'000 | (PCA9535_PIN_A2 << 2) | (PCA9535_PIN_A1 << 1) | PCA9535_PIN_A0)