ugfx/drivers/touchscreen/XPT2046/touchscreen_lld_config.h

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/*
ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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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/GFX is distributed in the hope that it will be useful,
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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/>.
*/
/**
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* @file drivers/touchscreen/XPT2046/touchscreen_lld_config.h
* @brief Touchscreen Driver subsystem low level driver.
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*
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* @addtogroup TOUCHSCREEN
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* @{
*/
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#ifndef TOUCHSCREEN_LLD_CONFIG_H
#define TOUCHSCREEN_LLD_CONFIG_H
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#if GFX_USE_TOUCHSCREEN /*|| defined(__DOXYGEN__)*/
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/*===========================================================================*/
/* Driver hardware support. */
/*===========================================================================*/
#define TOUCHSCREEN_HAS_PRESSED TRUE
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#define TOUCHSCREEN_HAS_PRESSURE TRUE
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struct TouchscreenDriver {
/*
* @brief Pointer to SPI driver.
* @note SPI driver must be enabled in mcuconf.h and halconf.h
*/
SPIDriver *spip;
/*
* @brief Pointer to the SPI configuration structure.
* @note The lowest possible speed ~ 1-2MHz is to be used, otherwise
* will result in a lot of noise
*/
const SPIConfig *spicfg;
/*
* @brief Touchscreen controller TPIRQ pin GPIO port
*/
ioportid_t tsIRQPort;
/*
* @brief Touchscreen controller TPIRQ GPIO pin
* @note The interface is polled as of now, interrupt support is
* to be implemented in the future.
*/
ioportmask_t tsIRQPin;
/*
* @brief Initialize the SPI with the configuration struct given or not
* If TRUE, spiStart is called by the init, otherwise not
* @note This is provided in such a case when SPI port is being shared
* across multiple peripherals, so not to disturb the SPI bus.
* You can use TOUCHSCREEN_SPI_PROLOGUE() and TOUCHSCREEN_SPI_EPILOGUE()
* macros to change the SPI configuration or speed before and
* after using the touchpad. An example case would be sharing the
* bus with a fast flash memory chip.
*/
bool_t direct_init;
};
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#endif /* GFX_USE_TOUCHSCREEN */
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#endif /* TOUCHSCREEN_LLD_CONFIG_H */
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/** @} */
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