ugfx/drivers/ginput/touch/FT5x06/gmouse_lld_FT5x06.c
2015-07-10 12:19:17 +02:00

138 lines
3.6 KiB
C

/*
* 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_FT5x06
#include "src/ginput/ginput_driver_mouse.h"
// Get the hardware interface
#include "gmouse_lld_FT5x06_board.h"
// Hardware definitions
#include "drivers/ginput/touch/FT5x06/ft5x06.h"
static bool_t MouseInit(GMouse* m, unsigned driverinstance) {
if (!init_board(m, driverinstance))
return FALSE;
aquire_bus(m);
// Init default values. (From NHD-3.5-320240MF-ATXL-CTP-1 datasheet)
// Valid touching detect threshold
write_reg(m, FT5x06_ID_G_THGROUP, 0x16);
// valid touching peak detect threshold
write_reg(m, FT5x06_ID_G_THPEAK, 0x3C);
// Touch focus threshold
write_reg(m, FT5x06_ID_G_THCAL, 0xE9);
// threshold when there is surface water
write_reg(m, FT5x06_ID_G_THWATER, 0x01);
// threshold of temperature compensation
write_reg(m, FT5x06_ID_G_THTEMP, 0x01);
// Touch difference threshold
write_reg(m, FT5x06_ID_G_THDIFF, 0xA0);
// Delay to enter 'Monitor' status (s)
write_reg(m, FT5x06_ID_G_TIME_ENTER_MONITOR, 0x0A);
// Period of 'Active' status (ms)
write_reg(m, FT5x06_ID_G_PERIODACTIVE, 0x06);
// Timer to enter 'idle' when in 'Monitor' (ms)
write_reg(m, FT5x06_ID_G_PERIODMONITOR, 0x28);
release_bus(m);
return TRUE;
}
static bool_t read_xyz(GMouse* m, GMouseReading* pdr)
{
// Assume not touched.
pdr->buttons = 0;
pdr->z = 0;
aquire_bus(m);
// Only take a reading if we are touched.
if ((read_byte(m, FT5x06_TOUCH_POINTS) & 0x07)) {
/* Get the X, Y, Z values */
pdr->x = (coord_t)(read_word(m, FT5x06_TOUCH1_XH) & 0x0fff);
pdr->y = (coord_t)read_word(m, FT5x06_TOUCH1_YH);
pdr->z = 1;
// Rescale X,Y if we are using self-calibration
#if GMOUSE_FT5x06_SELF_CALIBRATE
#if GDISP_NEED_CONTROL
switch(gdispGGetOrientation(m->display)) {
default:
case GDISP_ROTATE_0:
case GDISP_ROTATE_180:
pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
break;
case GDISP_ROTATE_90:
case GDISP_ROTATE_270:
pdr->x = gdispGGetHeight(m->display) - pdr->x / (4096/gdispGGetHeight(m->display));
pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
break;
}
#else
pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
#endif
#endif
}
release_bus(m);
return TRUE;
}
const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
{
GDRIVER_TYPE_TOUCH,
#if GMOUSE_FT5x06_SELF_CALIBRATE
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN,
#else
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN | GMOUSE_VFLG_CALIBRATE | GMOUSE_VFLG_CAL_TEST,
#endif
sizeof(GMouse) + GMOUSE_FT5x06_BOARD_DATA_SIZE,
_gmouseInitDriver,
_gmousePostInitDriver,
_gmouseDeInitDriver
},
1, // z_max - (currently?) not supported
0, // z_min - (currently?) not supported
1, // z_touchon
0, // z_touchoff
{ // pen_jitter
GMOUSE_FT5x06_PEN_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5x06_PEN_CLICK_ERROR, // click
GMOUSE_FT5x06_PEN_MOVE_ERROR // move
},
{ // finger_jitter
GMOUSE_FT5x06_FINGER_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5x06_FINGER_CLICK_ERROR, // click
GMOUSE_FT5x06_FINGER_MOVE_ERROR // move
},
MouseInit, // init
0, // deinit
read_xyz, // get
0, // calsave
0 // calload
}};
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */