107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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#include "gfx.h"
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#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
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#define GMOUSE_DRIVER_VMT GMOUSEVMT_FT5336
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#include "src/ginput/ginput_driver_mouse.h"
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// Get the hardware interface
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#include "gmouse_lld_FT5336_board.h"
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// Hardware definitions
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#include "drivers/ginput/touch/FT5336/ft5336.h"
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static gBool ft5336Init(GMouse* m, unsigned driverinstance)
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{
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// Initialize the board stuff
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if (!init_board(m, driverinstance)) {
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return gFalse;
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}
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// We need at least 200 ms worth of delay here...
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gfxSleepMilliseconds(200);
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// Check Chip ID
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if (read_byte(m, FT5336_CHIP_ID_REG) != FT5336_ID_VALUE) {
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return gFalse;
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}
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// Disable interrupts. We use this chip in polling mode
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write_reg(m, FT5336_GMODE_REG, (FT5336_G_MODE_INTERRUPT_POLLING & (FT5336_G_MODE_INTERRUPT_MASK >> FT5336_G_MODE_INTERRUPT_SHIFT)) << FT5336_G_MODE_INTERRUPT_SHIFT);
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/*
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// Init default values. (From NHD-3.5-320240MF-ATXL-CTP-1 datasheet)
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// Valid touching detect threshold
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write_reg(m, FT5336_TH_GROUP_REG, 0x16);
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// Touch difference threshold
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write_reg(m, FT5336_TH_DIFF_REG, 0xA0);
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// Delay to enter 'Monitor' status (s)
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write_reg(m, FT5336_TIMEENTERMONITOR_REG, 0x0A);
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// Period of 'Active' status (ms)
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write_reg(m, FT5336_PERIODACTIVE_REG, 0x06);
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// Timer to enter 'idle' when in 'Monitor' (ms)
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write_reg(m, FT5336_PERIODMONITOR_REG, 0x28);
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*/
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return gTrue;
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}
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static gBool ft5336ReadXYZ(GMouse* m, GMouseReading* pdr)
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{
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// Assume not touched.
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pdr->buttons = 0;
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pdr->z = 0;
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// Only take a reading if exactly one touch contact point
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if (read_byte(m, FT5336_TD_STAT_REG) == 1) {
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// Get and return X, Y an Z values
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pdr->y = (gCoord)(read_word(m, FT5336_P1_XH_REG) & 0x0FFF);
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pdr->x = (gCoord)(read_word(m, FT5336_P1_YH_REG) & 0x0FFF);
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pdr->z = 1;
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}
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return gTrue;
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}
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const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
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{
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GDRIVER_TYPE_TOUCH,
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GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN,
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sizeof(GMouse) + GMOUSE_FT5336_BOARD_DATA_SIZE,
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_gmouseInitDriver,
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_gmousePostInitDriver,
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_gmouseDeInitDriver
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},
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1, // z_max - (currently?) not supported
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0, // z_min - (currently?) not supported
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1, // z_touchon
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0, // z_touchoff
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{ // pen_jitter
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GMOUSE_FT5336_PEN_CALIBRATE_ERROR, // calibrate
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GMOUSE_FT5336_PEN_CLICK_ERROR, // click
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GMOUSE_FT5336_PEN_MOVE_ERROR // move
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},
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{ // finger_jitter
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GMOUSE_FT5336_FINGER_CALIBRATE_ERROR, // calibrate
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GMOUSE_FT5336_FINGER_CLICK_ERROR, // click
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GMOUSE_FT5336_FINGER_MOVE_ERROR // move
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},
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ft5336Init, // init
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0, // deinit
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ft5336ReadXYZ, // get
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0, // calsave
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0 // calload
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}};
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#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
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