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Diffstat (limited to 'halext/src/touchpad.c')
| -rw-r--r-- | halext/src/touchpad.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/halext/src/touchpad.c b/halext/src/touchpad.c deleted file mode 100644 index 977bb31c..00000000 --- a/halext/src/touchpad.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - ChibiOS-LCD-Driver - Copyright (C) 2012 - Joel Bodenmann aka Tectu <joel@unormal.org> - - This file is part of ChibiOS-LCD-Driver. - - ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - ChibiOS-LCD-Driver is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -/** - * @file touchpad.c - * @brief Touchpad Driver code. - * - * @addgroup TOUCHPAD - * @{ - */ -#include "ch.h" -#include "hal.h" -#include "gdisp.h" -#include "touchpad.h" - -#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -#ifdef UNUSED -#elif defined(__GNUC__) -# define UNUSED(x) UNUSED_ ## x __attribute__((unused)) -#elif defined(__LCLINT__) -# define UNUSED(x) /*@unused@*/ x -#else -# define UNUSED(x) x -#endif - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local variables. */ -/*===========================================================================*/ -volatile static struct cal cal = { - 1, 1, 0, 0 -}; - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -/** - * @brief returns the uncalibrated readout of the X direction from the controller - * - * @noapi - */ -static uint16_t _tpReadRealX(void) { - uint32_t results = 0; - uint16_t i, x; - - for(i = 0; i < CONVERSIONS; i++) { - tp_lld_read_x(); /* dummy, reduce noise on SPI */ - results += tp_lld_read_x(); - } - - // 12-bit - x = (((SCREEN_WIDTH-1) * (results/CONVERSIONS)) / 2048); - - return x; -} - -/** - * @brief return the uncalibrated readout of the Y-direction from the controller - * - * @noapi - */ -static uint16_t _tpReadRealY(void) { - uint32_t results = 0; - uint16_t i, y; - - for(i = 0; i < CONVERSIONS; i++) { - tp_lld_read_y(); /* dummy, reduce noise on SPI */ - results += tp_lld_read_y(); - } - - // 12-bit - y = (((SCREEN_HEIGHT-1) * (results/CONVERSIONS)) / 2048); - - return y; -} - -/** - * @brief draws a cross. Used for calibration. - * - * @noapi - */ -static void _tpDrawCross(uint16_t x, uint16_t y) { - gdispDrawLine(x-15, y, x-2, y, 0xffff); - gdispDrawLine(x+2, y, x+15, y, 0xffff); - gdispDrawLine(x, y-15, x, y-2, 0xffff); - gdispDrawLine(x, y+2, x, y+15, 0xffff); - - gdispDrawLine(x-15, y+15, x-7, y+15, RGB565CONVERT(184,158,131)); - gdispDrawLine(x-15, y+7, x-15, y+15, RGB565CONVERT(184,158,131)); - - gdispDrawLine(x-15, y-15, x-7, y-15, RGB565CONVERT(184,158,131)); - gdispDrawLine(x-15, y-7, x-15, y-15, RGB565CONVERT(184,158,131)); - - gdispDrawLine(x+7, y+15, x+15, y+15, RGB565CONVERT(184,158,131)); - gdispDrawLine(x+15, y+7, x+15, y+15, RGB565CONVERT(184,158,131)); - - gdispDrawLine(x+7, y-15, x+15, y-15, RGB565CONVERT(184,158,131)); - gdispDrawLine(x+15, y-15, x+15, y-7, RGB565CONVERT(184,158,131)); -} - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief Touchpad Driver initialization. - * @note This function is NOT currently implicitly invoked by @p halInit(). - * It must be called manually. - * - * @api - */ -void tpInit(TOUCHPADDriver *tp) { - /* Initialise Mutex */ - //MUTEX_INIT - - /* Initialise driver */ - //MUTEX_ENTER - tp_lld_init(tp); - //MUTEX_EXIT -} - -/** - * @brief Get the X-Coordinate, relative to screen zero point. - * - * @return The X position in pixels. - * - * @api - */ -uint16_t tpReadX(void) { - uint16_t x, y; - - x = cal.xm * _tpReadRealX() + cal.xn; - y = cal.ym * _tpReadRealY() + cal.yn; - - /* - switch(gdispGetOrientation()) { // implement gdispGetOrientation() - case portrait: - return x; - case landscape: - return SCREEN_HEIGHT - y; - case portraitInv: - return SCREEN_WIDTH - x; - case landscapeInv: - return y; - } - */ - - return x; -} - -/** - * @brief Get the X-Coordinate, relative to screen zero point. - * - * @return The Y position in pixels. - * - * @api - */ -uint16_t tpReadY(void) { - uint16_t x, y; - - x = cal.xm * _tpReadRealX() + cal.xn; - y = cal.ym * _tpReadRealY() + cal.yn; - - /* - switch(gdispGetOrientation()) { // implement gdispGetOrientation() - case portrait: - return y; - case landscape: - return x; - case portraitInv: - return SCREEN_HEIGHT - y; - case landscapeInv: - return SCREEN_WIDTH - x; - } - */ - - return y; -} - -void tpCalibrate(void) { - uint16_t cross[2][2] = {{40,50}, {200, 280}}; - uint16_t points[2][2]; - uint8_t i; - - //gdispSetOrientation(portrait); - gdispClear(Red); - gdispFillStringBox(0, 10, gdispGetWidth(), 30, "Calibration", &fontUI2Double, White, Red, justifyCenter); - - for(i = 0; i < 2; i++) { - _tpDrawCross(cross[i][0], cross[i][1]); - while(!tpIRQ()); - points[i][0] = _tpReadRealX(); - points[i][1] = _tpReadRealY(); - chThdSleepMilliseconds(100); - while(tpIRQ()); - gdispFillArea(cross[i][0]-15, cross[i][1]-15, 42, 42, Red); - } - - cal.xm = ((float)cross[1][0] - (float)cross[0][0]) / ((float)points[1][0] - (float)points[0][0]); - cal.ym = ((float)cross[1][1] - (float)cross[0][1]) / ((float)points[1][1] - (float)points[0][1]); - - cal.xn = (float)cross[0][0] - cal.xm * (float)points[0][0]; - cal.yn = (float)cross[0][1] - cal.ym * (float)points[0][1]; -} - -#if TOUCHPAD_HAS_IRQ || defined(__DOXYGEN__) - /** - * @brief returns if touchpad is pressed or not - * - * @return 1 if pressed, 0 otherwise - * - * @api - */ - uint8_t tpIRQ(void) { - return tp_lld_irq(); - } -#endif - -#if TOUCHPAD_HAS_PRESSURE || defined(__DOXYGEN__) - /** - * @brief Get the pressure. - * - * @return The pressure. - * - * @api - */ - uint16_t tpReadZ(void) { - /* ToDo */ - return (tp_lld_read_z()); - } -#endif - -#endif /* HAL_USE_TOUCHPAD */ -/** @} */ - |