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authorTectu <joel@unormal.org>2012-08-13 04:12:42 +0200
committerTectu <joel@unormal.org>2012-08-13 04:12:42 +0200
commite27d04d002a40f3b514eeeb60d374df6a8a1280c (patch)
tree7c20e6edd42cd4f20eda183a16ce66c5e8c7105e /include/touchpad_lld.h
parent54229cbdaaf585b5adf9b085229a22c9824c112c (diff)
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Diffstat (limited to 'include/touchpad_lld.h')
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diff --git a/include/touchpad_lld.h b/include/touchpad_lld.h
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+/*
+ ChibiOS-LCD-Driver/RT - 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_lld.h
+ * @brief TOUCHPAD Driver subsystem low level driver header.
+ *
+ * @addgroup TOUCHPAD
+ * @{
+ */
+
+#ifndef _TOUCHPAD_LLD_H
+#define _TOUCHPAD_LLD_H
+
+#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Include the low level driver configuration information */
+/*===========================================================================*/
+
+#include "touchpad_lld_config.h"
+
+/*===========================================================================*/
+/* Error checks. */
+/*===========================================================================*/
+
+#ifndef TOUCHPAD_HAS_IRQ
+ #define TOUCHPAD_HAS_IRQ FALSE
+#endif
+
+#ifndef TOUCHPAD_HAS_PRESSURE
+ #define TOUCHPAD_HAS_PRESSURE FALSE
+#endif
+
+/*===========================================================================*/
+/* Driver types. */
+/*===========================================================================*/
+
+typedef struct TOUCHPADDriver TOUCHPADDriver;
+
+/**
+ * @brief Structure representing a Touchpad driver.
+ */
+struct TOUCHPADDriver {
+ /*
+ * @brief Pointer to SPI driver.
+ */
+ SPIDriver *spid;
+
+ /*
+ * @brief SPI configuration.
+ */
+ SPIConfig *spicfg;
+};
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+ extern TOUCHPADDriver Touchpad;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /* Core functions */
+ void tp_lld_init(TOUCHPADDriver *tp);
+ uint16_t tp_lld_read_x(void);
+ uint16_t tp_lld_read_y(void);
+
+ #if TOUCHPAD_HAS_IRQ
+ uint8_t tp_lld_irq(void);
+ #endif
+
+ #if TOUCHPAD_HAS_PRESSURE
+ uint16_t tp_lld_read_z(void);
+ #endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_TOUCHPAD */
+
+#endif /* _TOUCHPAD_LLD_H */
+/** @} */
+