ac97dev_WM9712L.h

//(c) uARM project    https://github.com/uARM-Palm/uARM    uARM@dmitry.gr

#ifndef _AC97_WM9712L_H_
#define _AC97_WM9712L_H_

#include <stdbool.h>
#include <stdint.h>
#include "soc_AC97.h"
#include "soc_GPIO.h"


struct WM9712L;



enum WM9712LauxPin {			//Vref is 3.3v, 
	WM9712LauxPinAux1 = 0,		//keep in mind this is divided by 3, so if battery is 3V, pass 1V to this
	WM9712LauxPinAux2,
	WM9712LauxPinBmon,
	WM9712LauxPinAux4,
};



struct WM9712L* wm9712LInit(struct SocAC97* ac97, struct SocGpio *gpio, int8_t penDownPin);
void wm9712Lperiodic(struct WM9712L *wm);


void wm9712LsetAuxVoltage(struct WM9712L *wm, enum WM9712LauxPin which, uint32_t mV);
void wm9712LsetPen(struct WM9712L *wm, int16_t x, int16_t y, int16_t press);		//raw ADC values, negative for pen up


#endif