Some initial LCD logic for the lpc1788 (still a work-in-progress)

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5786 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 115 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_lcd.h b/nuttx/arch/arm/src/lpc17xx/lpc17_lcd.h
new file mode 100644
index 000000000..e86e83dfa
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_lcd.h
@@ -0,0 +1,115 @@
+/************************************************************************************
+ * arch/arm/src/lpc17xx/lpc17_lcd.h
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 __ARCH_ARM_SRC_LPC17XX_LPC17_LCD_H
+#define __ARCH_ARM_SRC_LPC17XX_LPC17_LCD_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip/lpc17_lcd.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+/* Configuration */
+
+#ifndef CONFIG_LPC17_LCD_REFRESH_FREQ
+#  define CONFIG_LPC17_LCD_REFRESH_FREQ (50)    /* Hz */
+#endif
+
+#ifndef CONFIG_LPC17_LCD_BPP
+#  define CONFIG_LPC17_LCD_BPP 16  /* Bytes per pixel */
+#endif
+
+#undef FB_FMT
+#if CONFIG_LPC17_LCD_BPP == 16
+#  define FB_FMT FB_FMT_RGB16_565
+#elif CONFIG_LPC17_LCD_BPP == 24
+#  define FB_FMT FB_FMT_RGB24
+#else
+#  error "Unsupported BPP"
+#endif
+
+#ifndef CONFIG_LPC17_LCD_HWIDTH
+#  define CONFIG_LPC17_LCD_HWIDTH 480 /* Width in pixels */
+#endif
+
+#ifndef CONFIG_LPC17_LCD_HPULSE
+#  define CONFIG_LPC17_LCD_HPULSE 2
+#endif
+
+#ifndef CONFIG_LPC17_LCD_HFRONTPORCH
+#  define CONFIG_LPC17_LCD_HFRONTPORCH 5
+#endif
+
+#ifndef CONFIG_LPC17_LCD_HBACKPORCH
+#  define CONFIG_LPC17_LCD_HBACKPORCH 40
+#endif
+
+#ifndef CONFIG_LPC17_LCD_VHEIGHT
+#  define CONFIG_LPC17_LCD_VHEIGHT 272 /* Height in rows */
+#endif
+
+#define CONFIG_LPC17_LCD_VPULSE
+#  define CONFIG_LPC17_LCD_VPULSE 2
+#endif
+
+#ifndef CONFIG_LPC17_LCD_VFRONTPORCH
+#  define CONFIG_LPC17_LCD_VFRONTPORCH 8
+#endif
+
+#ifndef CONFIG_LPC17_LCD_VBACKPORCH
+#  define CONFIG_LPC17_LCD_VBACKPORCH 8
+#endif
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+/* The LPC17 LCD driver uses the common framebuffer interfaces declared in
+ * include/nuttx/fb.h.
+ */
+
+#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_LCD_H */