ugfx/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200.c

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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "gfx.h"
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
#define GMOUSE_DRIVER_VMT GMOUSEVMT_EXC7200
#include "../../../../src/ginput/ginput_driver_mouse.h"
// Get the hardware interface
#include "gmouse_lld_EXC7200_board.h"
#define EXC7200_READ_CMD 0x09
static gBool MouseInit(GMouse* m, unsigned driverinstance)
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{
if (!init_board(m, driverinstance)) {
return gFalse;
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}
return gTrue;
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}
static gBool read_xyz(GMouse* m, GMouseReading* pdr)
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{
uint8_t rxbuf[10];
// We don't support buttons. This is a regular touchscreen
pdr->buttons = 0;
// Read
if (!read_bytes(m, EXC7200_READ_CMD, rxbuf, 10)) {
return gFalse;
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}
// Check if touched
if (rxbuf[1] == 0x83) {
pdr->x = (((rxbuf[3] & 0x00ff) << 4) | ((rxbuf[2] & 0x00f0) >> 4)) << 1;
pdr->y = (((rxbuf[5] & 0x00ff) << 4) | ((rxbuf[4] & 0x00f0) >> 4)) << 1;
pdr->z = 1;
} else {
pdr->z = 0;
}
return gTrue;
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}
const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
{
GDRIVER_TYPE_TOUCH,
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN | GMOUSE_VFLG_CALIBRATE | GMOUSE_VFLG_CAL_TEST,
sizeof(GMouse) + GMOUSE_EXC7200_BOARD_DATA_SIZE,
_gmouseInitDriver,
_gmousePostInitDriver,
_gmouseDeInitDriver
},
1, // z_max - not supported
0, // z_min - not supported
1, // z_touchon
0, // z_touchoff
{ // pen_jitter
GMOUSE_EXC7200_PEN_CALIBRATE_ERROR, // calibrate
GMOUSE_EXC7200_PEN_CLICK_ERROR, // click
GMOUSE_EXC7200_PEN_MOVE_ERROR // move
},
{ // finger_jitter
GMOUSE_EXC7200_FINGER_CALIBRATE_ERROR, // calibrate
GMOUSE_EXC7200_FINGER_CLICK_ERROR, // click
GMOUSE_EXC7200_FINGER_MOVE_ERROR // move
},
MouseInit, // init
0, // deinit
read_xyz, // get
0, // calsave
0 // calload
}};
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */