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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-03-22 14:49:21 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-03-22 14:49:21 +0000
commitd27a58798955bad789da8f89acadf8c4341c2ecb (patch)
treecbe8f3e15879dec4125868437e34b7773d5ca1a7 /nuttx/configs/zkit-arm-1769/src/up_lcd.c
parent4bfc8f39c961f54043988792cce387f36b783df2 (diff)
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Add kernel build support to the STM32 family and to the STM32F4Discovery board
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5774 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/zkit-arm-1769/src/up_lcd.c')
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diff --git a/nuttx/configs/zkit-arm-1769/src/up_lcd.c b/nuttx/configs/zkit-arm-1769/src/up_lcd.c
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+/****************************************************************************
+ * configs/zkit-arm-1769/src/up_lcd.c
+ * arch/arm/src/board/up_lcd.c
+ *
+ * Copyright (C) 2013 Zilogic Systems. All rights reserved.
+ * Author: Manikandan <code@zilogic.com>
+ *
+ * Based on configs/lm3s6965-ek/src/up_oled.c
+ *
+ * Copyright (C) 2012 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/spi.h>
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/lcd/st7567.h>
+
+#include "up_arch.h"
+#include "up_internal.h"
+
+#include "lpc17_gpio.h"
+#include "zkitarm_internal.h"
+
+#ifdef CONFIG_NX_LCDDRIVER
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef LCD_DEBUG /* Define to enable debug */
+#undef LCD_VERBOSE /* Define to enable verbose debug */
+
+#ifdef LCD_DEBUG
+# define leddbg lldbg
+# ifdef LCD_VERBOSE
+# define ledvdbg lldbg
+# else
+# define ledvdbg(x...)
+# endif
+#else
+# undef LCD_VERBOSE
+# define leddbg(x...)
+# define ledvdbg(x...)
+#endif
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+FAR struct spi_dev_s *spi;
+FAR struct lcd_dev_s *dev;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_lcdinitialize
+ ****************************************************************************/
+
+int up_lcdinitialize(void)
+{
+ lpc17_configgpio(ZKITARM_OLED_RST);
+ lpc17_configgpio(ZKITARM_OLED_CS);
+ lpc17_configgpio(ZKITARM_OLED_RS);
+ lpc17_gpiowrite(ZKITARM_OLED_RST, 1);
+ lpc17_gpiowrite(ZKITARM_OLED_CS, 1);
+ lpc17_gpiowrite(ZKITARM_OLED_RS, 1);
+
+ spi = up_spiinitialize(0);
+ if (!spi)
+ {
+ glldbg("Failed to initialize SSI port 0\n");
+ return 0;
+ }
+ lpc17_gpiowrite(ZKITARM_OLED_RST, 0);
+ up_mdelay(1);
+ lpc17_gpiowrite(ZKITARM_OLED_RST, 1);
+ return 1;
+}
+
+/****************************************************************************
+ * Name: up_lcdgetdev
+ ****************************************************************************/
+
+FAR struct lcd_dev_s *up_lcdgetdev(int lcddev)
+{
+ dev = st7567_initialize(spi, lcddev);
+ if (!dev)
+ {
+ glldbg("Failed to bind SSI port 0 to OLCD %d: %d\n", lcddev);
+ }
+ else
+ {
+ gllvdbg("Bound SSI port 0 to OLCD %d\n", lcddev);
+
+ /* And turn the OLCD on (CONFIG_LCD_MAXPOWER should be 1) */
+ (void)dev->setpower(dev, CONFIG_LCD_MAXPOWER);
+ return dev;
+ }
+ return NULL;
+}
+
+/****************************************************************************
+ * Name: up_lcduninitialize
+ ****************************************************************************/
+
+void up_lcduninitialize(void)
+{
+ /* TO-FIX */
+}
+
+/******************************************************************************
+ * Name: lpc17_spicmddata
+ *
+ * Description:
+ * Set or clear the SD1329 D/Cn bit to select data (true) or command
+ * (false). This function must be provided by platform-specific logic.
+ * This is an implementation of the cmddata method of the SPI
+ * interface defined by struct spi_ops_s (see include/nuttx/spi.h).
+ *
+ * Input Parameters:
+ *
+ * spi - SPI device that controls the bus the device that requires the CMD/
+ * DATA selection.
+ * devid - If there are multiple devices on the bus, this selects which one
+ * to select cmd or data. NOTE: This design restricts, for example,
+ * one one SPI display per SPI bus.
+ * cmd - true: select command; false: select data
+ *
+ * Returned Value:
+ * None
+ *
+ ******************************************************************************/
+
+int lpc17_ssp0cmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd)
+{
+ if (devid == SPIDEV_DISPLAY)
+ {
+ /* Set GPIO to 1 for data, 0 for command */
+
+ lpc17_gpiowrite(ZKITARM_OLED_RS, !cmd);
+ return OK;
+ }
+
+ return -ENODEV;
+}
+
+#endif /* CONFIG_ARCH_LCDS */