85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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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
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file drivers/touchscreen/ADS7843/touchscreen_lld_config.h
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* @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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*/
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#ifndef TOUCHSCREEN_LLD_CONFIG_H
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#define TOUCHSCREEN_LLD_CONFIG_H
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#if GFX_USE_TOUCHSCREEN /*|| defined(__DOXYGEN__)*/
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/*===========================================================================*/
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/* Driver hardware support. */
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/*===========================================================================*/
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#define TOUCHSCREEN_HAS_PRESSED TRUE
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#define TOUCHSCREEN_HAS_PRESSURE FALSE
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struct TouchscreenDriver {
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/*
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* @brief Pointer to SPI driver.
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* @note SPI driver must be enabled in mcuconf.h and halconf.h
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*/
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SPIDriver *spip;
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/*
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* @brief Pointer to the SPI configuration structure.
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* @note The lowest possible speed ~ 1-2MHz is to be used, otherwise
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* will result in a lot of noise
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*/
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const SPIConfig *spicfg;
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/*
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* @brief Touchscreen controller TPIRQ pin GPIO port
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*/
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ioportid_t tsIRQPort;
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/*
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* @brief Touchscreen controller TPIRQ GPIO pin
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* @note The interface is polled as of now, interrupt support is
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* to be implemented in the future.
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*/
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ioportmask_t tsIRQPin;
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/*
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* @brief Initialize the SPI with the configuration struct given or not
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* If TRUE, spiStart is called by the init, otherwise not
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* @note This is provided in such a case when SPI port is being shared
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* across multiple peripherals, so not to disturb the SPI bus.
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* You can use TOUCHSCREEN_SPI_PROLOGUE() and TOUCHSCREEN_SPI_EPILOGUE()
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* macros to change the SPI configuration or speed before and
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* after using the touchpad. An example case would be sharing the
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* bus with a fast flash memory chip.
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*/
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bool_t direct_init;
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};
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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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