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Diffstat (limited to 'include/lld/touchscreen/touchscreen_lld.h')
-rw-r--r-- | include/lld/touchscreen/touchscreen_lld.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/lld/touchscreen/touchscreen_lld.h b/include/lld/touchscreen/touchscreen_lld.h new file mode 100644 index 00000000..9dd29629 --- /dev/null +++ b/include/lld/touchscreen/touchscreen_lld.h @@ -0,0 +1,130 @@ +/*
+ ChibiOS/GFX - Copyright (C) 2012
+ Joel Bodenmann aka Tectu <joel@unormal.org>
+
+ This file is part of ChibiOS/GFX.
+
+ ChibiOS/GFX 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/GFX 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 include/touchscreen_lld.h
+ * @brief TOUCHSCREEN Driver subsystem low level driver header.
+ *
+ * @addtogroup TOUCHSCREEN
+ * @{
+ */
+
+#ifndef TOUCHSCREEN_LLD_H
+#define TOUCHSCREEN_LLD_H
+
+#if GFX_USE_TOUCHSCREEN || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Include the low level driver configuration information */
+/*===========================================================================*/
+
+#include "touchscreen_lld_config.h"
+
+/*===========================================================================*/
+/* Error checks. */
+/*===========================================================================*/
+
+#ifndef TOUCHSCREEN_NEED_MULTITHREAD
+ #define TOUCHSCREEN_NEED_MULTITHREAD FALSE
+#endif
+
+#ifndef TOUCHSCREEN_XY_INVERTED
+ #define TOUCHSCREEN_XY_INVERTED FALSE
+#endif
+
+#ifndef TOUCHSCREEN_HAS_PRESSED
+ #define TOUCHSCREEN_HAS_PRESSED FALSE
+#endif
+
+#ifndef TOUCHSCREEN_HAS_PRESSURE
+ #define TOUCHSCREEN_HAS_PRESSURE FALSE
+#endif
+
+#ifndef TOUCHSCREEN_SPI_PROLOGUE
+ #define TOUCHSCREEN_SPI_PROLOGUE()
+#endif
+
+#ifndef TOUCHSCREEN_SPI_EPILOGUE
+ #define TOUCHSCREEN_SPI_EPILOGUE()
+#endif
+
+#ifndef TOUCHSCREEN_STORE_CALIBRATION
+ #define TOUCHSCREEN_STORE_CALIBRATION FALSE
+#endif
+
+#ifndef TOUCHSCREEN_VERIFY_CALIBRATION
+ #define TOUCHSCREEN_VERIFY_CALIBRATION FALSE
+#endif
+
+#ifndef TOUCHSCREEN_CONVERSIONS
+ #define TOUCHSCREEN_CONVERSIONS 3
+#endif
+
+/*===========================================================================*/
+/* Driver types. */
+/*===========================================================================*/
+
+/**
+ * @brief Structure representing a touchscreen driver. Hardware dependant.
+ */
+typedef struct TouchscreenDriver TouchscreenDriver;
+
+// Forward declaration
+struct cal_t;
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /* Core functions */
+ void ts_lld_init(const TouchscreenDriver *ts);
+
+ uint16_t ts_lld_read_value(uint8_t cmd);
+ uint16_t ts_lld_read_x(void);
+ uint16_t ts_lld_read_y(void);
+
+ #if TOUCHSCREEN_HAS_PRESSED
+ uint8_t ts_lld_pressed(void);
+ #endif
+
+ #if TOUCHSCREEN_HAS_PRESSURE
+ uint16_t ts_lld_read_z(void);
+ #endif
+
+ #if TOUCHSCREEN_STORE_CALIBRATION
+ // These may be defined by the low level driver or by the application
+ void ts_store_calibration_lld(struct cal_t *cal);
+ struct cal_t *ts_restore_calibration_lld(void);
+ #endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_TOUCHSCREEN */
+
+#endif /* _TOUCHSCREEN_LLD_H */
+/** @} */
+
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