Add TSC2007 register definitions

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3828 42af7a65-404d-4744-a932-0658087f49c3

drivers/input/tsc2007.c

@@ -4,6 +4,11 @@
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
+ * References:
+ *   "1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER
+ *    with I2C Interface," SBAS405A March 2007, Revised, March 2009, Texas
+ *    Instruments Incorporated
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:

drivers/input/tsc2007.h

+/********************************************************************************************
+ * drivers/input/tsc2007.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * References:
+ *   "1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER
+ *    with I2C Interface," SBAS405A March 2007, Revised, March 2009, Texas
+ *    Instruments Incorporated
+ *
+ * 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 __DRIVERS_INPUT_TSC2007_H
+#define __DRIVERS_INPUT_TSC2007_H
+
+/********************************************************************************************
+ * Included Files
+ ********************************************************************************************/
+
+/********************************************************************************************
+ * Pre-Processor Definitions
+ ********************************************************************************************/
+
+/* TSC2007 Address */
+
+#define TSC2007_ADDRESS           (0x90)    /* Bits 3-7: Always set at '10010' */
+#define TSC2007_A1                (1 << 2)  /* Bit 2: A1 */
+#define TSC2007_A0                (1 << 1)  /* Bit 1: A1 */
+#define TSC2007_READ              (1 << 0)  /* Bit0=1: Selects read operation */
+#define TSC2007_WRITE             (0)       /* Bit0=0: Selects write operation */
+
+/* TSC2007 Command Byte */
+
+#define TSC2007_CMD_FUNC_SHIFT    (4)       /* Bits 4-7: Converter function select bits */
+#define TSC2007_CMD_FUNC_MASK     (15 << TSC2007_CMD_FUNC_SHIFT)
+#  define TSC2007_CMD_FUNC_TEMP0  (0 << TSC2007_CMD_FUNC_SHIFT)  /* Measure TEMP0 */
+#  define TSC2007_CMD_FUNC_AUX    (2 << TSC2007_CMD_FUNC_SHIFT)  /* Measure AUX */
+#  define TSC2007_CMD_FUNC_TEMP1  (4 << TSC2007_CMD_FUNC_SHIFT)  /* Measure TEMP1 */
+#  define TSC2007_CMD_FUNC_XON    (8 << TSC2007_CMD_FUNC_SHIFT)  /* Activate X-drivers */
+#  define TSC2007_CMD_FUNC_YON    (9 << TSC2007_CMD_FUNC_SHIFT)  /* Activate Y-drivers */
+#  define TSC2007_CMD_FUNC_YXON   (10 << TSC2007_CMD_FUNC_SHIFT) /* Activate Y+, X-drivers */
+#  define TSC2007_CMD_FUNC_SETUP  (11 << TSC2007_CMD_FUNC_SHIFT) /* Setup command */
+#  define TSC2007_CMD_FUNC_XPOS   (12 << TSC2007_CMD_FUNC_SHIFT) /* Measure X position */
+#  define TSC2007_CMD_FUNC_YPOS   (13 << TSC2007_CMD_FUNC_SHIFT) /* Measure Y position */
+#  define TSC2007_CMD_FUNC_Z1POS  (14 << TSC2007_CMD_FUNC_SHIFT) /* Measure Z1 position */
+#  define TSC2007_CMD_FUNC_Z2POS  (15 << TSC2007_CMD_FUNC_SHIFT) /*Measure Z2 positionn */
+#define TSC2007_CMD_PWRDN_SHIFT   (2)       /* Bits 2-3: Power-down bits */
+#define TSC2007_CMD_PWRDN_MASK    (3 << TSC2007_CMD_PWRDN_SHIFT)
+#  define TSC2007_CMD_PWRDN_IRQEN (0 << TSC2007_CMD_PWRDN_SHIFT)  /* 00: Power down between cycles; PENIRQ enabled */
+#  define TSC2007_CMD_ADCON_IRQDIS (1 << TSC2007_CMD_PWRDN_SHIFT) /* 01: A/D converter on; PENIRQ disabled */
+#  define TSC2007_CMD_ADCOFF_IRQEN (2 << TSC2007_CMD_PWRDN_SHIFT) /* 10: A/D converter off; PENIRQ enabled. */
+                                                                  /* 11: A/D converter on; PENIRQ disabled. */
+#define TSC2007_CMD_12BIT         (0)       /* Bit 1: 0=12-bit */
+#define TSC2007_CMD_8BIT          (1 << 1)  /* Bit 1: 1=8-bit */
+                                            /* Bit 0: Don't care */
+
+/* TSC2007 Setup Command */
+
+#define TSC2007_SETUP_CMD         TSC2007_CMD_FUNC_SETUP         /* Bits 4-7: Setup command */
+                                            /* Bits 2-3: Must be zero */
+#define TSC2007_CMD_USEMAV        (0)       /* Bit 1: 0: Use the onboard MAV filter (default) */
+#define TSC2007_CMD_BYPASSMAV     (1 << 1)  /* Bit 1: 1: Bypass the onboard MAV filter */
+#define TSC2007_CMD_PU_50KOHM     (0)       /* Bit 0: 0: RIRQ = 50kOhm (default). */
+#define TSC2007_CMD_PU_90KOHM     (1 << 1)  /* Bit 0: 1: 1: RIRQ = 90kOhm */
+
+/********************************************************************************************
+ * Public Function Prototypes
+ ********************************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DRIVERS_INPUT_TSC2007_H */

include/nuttx/input/tsc2007.h

@@ -4,6 +4,11 @@
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
+ * References:
+ *   "1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER
+ *    with I2C Interface," SBAS405A March 2007, Revised, March 2009, Texas
+ *    Instruments Incorporated
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -43,6 +48,8 @@
 #include <nuttx/config.h>
 #include <nuttx/i2c.h>
 
+#if defined(CONFIG_INPUT) && defined(CONFIG_INPUT_TSC2007)
+
 /****************************************************************************
  * Pre-Processor Definitions
  ****************************************************************************/
@@ -89,4 +96,5 @@ EXTERN int tsc2007_register(FAR struct i2c_dev_s *dev, int minor);
 }
 #endif
 
+#endief /* CONFIG_INPUT && CONFIG_INPUT_TSC2007 */
 #endif /* __INCLUDE_NUTTX_INPUT_TSC2007_H */