Add framework for input devices and TSC2007 touchscreen driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3827 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 125 insertions, 1 deletions

diff --git a/nuttx/include/debug.h b/nuttx/include/debug.h
index 9da898485..24097fa57 100644
--- a/nuttx/include/debug.h
+++ b/nuttx/include/debug.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * include/debug.h
  *
- *   Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -224,6 +224,18 @@
 # define fllvdbg(x...)
 #endif
 
+#ifdef CONFIG_DEBUG_INPUT
+# define idbg(format, arg...)    dbg(format, ##arg)
+# define illdbg(format, arg...)  lldbg(format, ##arg)
+# define ivdbg(format, arg...)   vdbg(format, ##arg)
+# define illvdbg(format, arg...) llvdbg(format, ##arg)
+#else
+# define idbg(x...)
+# define illdbg(x...)
+# define ivdbg(x...)
+# define illvdbg(x...)
+#endif
+
 #ifdef CONFIG_DEBUG_GRAPHICS
 # define gdbg(format, arg...)    dbg(format, ##arg)
 # define glldbg(format, arg...)  lldbg(format, ##arg)
@@ -369,6 +381,18 @@
 # define fllvdbg (void)
 #endif
 
+#ifdef CONFIG_DEBUG_INPUT
+# define idbg    dbg
+# define illdbg  lldbg
+# define ivdbg   vdbg
+# define illvdbg llvdbg
+#else
+# define idbg    (void)
+# define illdbg  (void)
+# define ivdbg   (void)
+# define illvdbg (void)
+#endif
+
 #ifdef CONFIG_DEBUG_GRAPHICS
 # define gdbg    dbg
 # define glldbg  lldbg
@@ -479,6 +503,14 @@
 #  define fvdbgdumpbuffer(m,b,n)
 #endif
 
+#ifdef CONFIG_DEBUG_INPUT
+#  define idbgdumpbuffer(m,b,n)  dbgdumpbuffer(m,b,n)
+#  define ivdbgdumpbuffer(m,b,n) vdbgdumpbuffer(m,b,n)
+#else
+#  define idbgdumpbuffer(m,b,n)
+#  define ivdbgdumpbuffer(m,b,n)
+#endif
+
 #ifdef CONFIG_DEBUG_GRAPHICS
 #  define gdbgdumpbuffer(m,b,n)  dbgdumpbuffer(m,b,n)
 #  define gvdbgdumpbuffer(m,b,n) vdbgdumpbuffer(m,b,n)
diff --git a/nuttx/include/nuttx/input/tsc2007.h b/nuttx/include/nuttx/input/tsc2007.h
new file mode 100644
index 000000000..d6bb400ca
--- /dev/null
+++ b/nuttx/include/nuttx/input/tsc2007.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+ * include/nuttx/input/tsc2007.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_INPUT_TSC2007_H
+#define __INCLUDE_NUTTX_INPUT_TSC2007_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/i2c.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+/* Maximum number of threads than can be waiting for POLL events */
+
+#ifndef CONFIG_TSC2007_NPOLLWAITERS
+#  define CONFIG_TSC2007_NPOLLWAITERS 2
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Name: tsc2007_register
+ *
+ * Description:
+ *   Configure the TSC2007 to use the provided I2C device instance.  This
+ *   will register the driver as /dev/inputN where N is the minor device
+ *   number
+ *
+ * Input Parameters:
+ *   dev   - An I2C driver instance
+ *   minor - The input device minor number
+ *
+ * Returned Value:
+ *   Zero is returned on success.  Otherwise, a negated errno value is
+ *   returned to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+EXTERN int tsc2007_register(FAR struct i2c_dev_s *dev, int minor);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_INPUT_TSC2007_H */