Adding EXC7200 driver

4 files changed, 132 insertions, 1 deletions

diff --git a/docs/releases.txt b/docs/releases.txt
index b6660afd..2b052896 100644
--- a/docs/releases.txt
+++ b/docs/releases.txt
@@ -2,8 +2,9 @@
 *** Releases                                                              ***
 *****************************************************************************
 
-*** Changes after 2.6 ***
 
+*** Changes after 2.6 ***
+FEATURE:	Added EXC7200 driver
 
 
 *** Release 2.6 ***
diff --git a/drivers/ginput/touch/EXC7200/driver.mk b/drivers/ginput/touch/EXC7200/driver.mk
new file mode 100644
index 00000000..4239d4fb
--- /dev/null
+++ b/drivers/ginput/touch/EXC7200/driver.mk
@@ -0,0 +1 @@
+GFXSRC += $(GFXLIB)/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200.c
diff --git a/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200.c b/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200.c
new file mode 100644
index 00000000..ebe1d9c8
--- /dev/null
+++ b/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200.c
@@ -0,0 +1,83 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
+
+#define GMOUSE_DRIVER_VMT		GMOUSEVMT_EXC7200
+#include "../../../../src/ginput/ginput_driver_mouse.h"
+
+// Get the hardware interface
+#include "gmouse_lld_EXC7200_board.h"
+
+#define EXC7200_READ_CMD 0x09
+
+static bool_t MouseInit(GMouse* m, unsigned driverinstance)
+{
+	if (!init_board(m, driverinstance)) {
+		return FALSE;
+	}
+	
+	return TRUE;
+}
+
+static bool_t read_xyz(GMouse* m, GMouseReading* pdr)
+{
+	uint8_t rxbuf[10];
+	
+	// We don't support buttons. This is a regular touchscreen
+	pdr->buttons = 0;
+
+	// Read
+	if (!read_bytes(m, EXC7200_READ_CMD, rxbuf, 10)) {
+		return FALSE;
+	}
+	
+	// Check if touched
+	if (rxbuf[1] == 0x83) {
+		pdr->x = (((rxbuf[3] & 0x00ff) << 4) | ((rxbuf[2] & 0x00f0) >> 4)) << 1;
+		pdr->y = (((rxbuf[5] & 0x00ff) << 4) | ((rxbuf[4] & 0x00f0) >> 4)) << 1;
+		pdr->z = 1;
+	} else {
+		pdr->z = 0;
+	}	
+
+	return TRUE;
+}
+
+const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
+	{
+		GDRIVER_TYPE_TOUCH,
+		GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN | GMOUSE_VFLG_CALIBRATE | GMOUSE_VFLG_CAL_TEST,
+		sizeof(GMouse) + GMOUSE_EXC7200_BOARD_DATA_SIZE,
+		_gmouseInitDriver,
+		_gmousePostInitDriver,
+		_gmouseDeInitDriver
+	},
+	1,				// z_max - not supported
+	0,				// z_min - not supported
+	1,				// z_touchon
+	0,				// z_touchoff
+	{				// pen_jitter
+		GMOUSE_EXC7200_PEN_CALIBRATE_ERROR,			// calibrate
+		GMOUSE_EXC7200_PEN_CLICK_ERROR,				// click
+		GMOUSE_EXC7200_PEN_MOVE_ERROR				// move
+	},
+	{				// finger_jitter
+		GMOUSE_EXC7200_FINGER_CALIBRATE_ERROR,		// calibrate
+		GMOUSE_EXC7200_FINGER_CLICK_ERROR,			// click
+		GMOUSE_EXC7200_FINGER_MOVE_ERROR			// move
+	},
+	MouseInit, 		// init
+	0,				// deinit
+	read_xyz,		// get
+	0,				// calsave
+	0				// calload
+}};
+
+#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
diff --git a/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200_board_template.h b/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200_board_template.h
new file mode 100644
index 00000000..16588a8a
--- /dev/null
+++ b/drivers/ginput/touch/EXC7200/gmouse_lld_EXC7200_board_template.h
@@ -0,0 +1,46 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#ifndef _GINPUT_LLD_MOUSE_BOARD_H
+#define _GINPUT_LLD_MOUSE_BOARD_H
+
+// Resolution and Accuracy Settings
+#define GMOUSE_EXC7200_PEN_CALIBRATE_ERROR		8
+#define GMOUSE_EXC7200_PEN_CLICK_ERROR			6
+#define GMOUSE_EXC7200_PEN_MOVE_ERROR			4
+#define GMOUSE_EXC7200_FINGER_CALIBRATE_ERROR	14
+#define GMOUSE_EXC7200_FINGER_CLICK_ERROR		18
+#define GMOUSE_EXC7200_FINGER_MOVE_ERROR		14
+
+// How much extra data to allocate at the end of the GMouse structure for the board's use
+#define GMOUSE_EXC7200_BOARD_DATA_SIZE			0
+
+static bool_t init_board(GMouse* m, unsigned driverinstance)
+{
+}
+
+static GFXINLINE void aquire_bus(GMouse* m)
+{
+}
+
+static GFXINLINE void release_bus(GMouse* m)
+{
+}
+
+static void write_reg(GMouse* m, uint8_t reg, uint8_t val)
+{
+}
+
+static uint8_t read_byte(GMouse* m, uint8_t reg)
+{
+}
+
+static uint16_t read_word(GMouse* m, uint8_t reg)
+{
+}
+
+#endif /* _GINPUT_LLD_MOUSE_BOARD_H */