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#ifndef TOUCHPAD_H
#define TOUCHPAD_H
#include "ch.h"
#include "hal.h"
#define CONVERSIONS 3
#define SET_CS(a) (TP_PORT->BSRR = 1 << (TP_CS + (a ? 0 : 16)))
volatile struct cal {
float xm;
float ym;
float xn;
float yn;
};
void tpInit(void);
uint8_t tpIRQ(void);
uint16_t tpReadX(void);
uint16_t tpReadY(void);
uint16_t tpReadRealX(void);
uint16_t tpReadRealY(void);
void tpCalibrate(void);
void tpCalibrate2(void);
void tpDrawCross(uint16_t x, uint16_t y);
#endif
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