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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-22 14:49:21 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-22 14:49:21 +0000 |
commit | d27a58798955bad789da8f89acadf8c4341c2ecb (patch) | |
tree | cbe8f3e15879dec4125868437e34b7773d5ca1a7 /nuttx/configs/zkit-arm-1769/src/up_lcd.c | |
parent | 4bfc8f39c961f54043988792cce387f36b783df2 (diff) | |
download | px4-nuttx-d27a58798955bad789da8f89acadf8c4341c2ecb.tar.gz px4-nuttx-d27a58798955bad789da8f89acadf8c4341c2ecb.tar.bz2 px4-nuttx-d27a58798955bad789da8f89acadf8c4341c2ecb.zip |
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')
-rw-r--r-- | nuttx/configs/zkit-arm-1769/src/up_lcd.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/nuttx/configs/zkit-arm-1769/src/up_lcd.c b/nuttx/configs/zkit-arm-1769/src/up_lcd.c new file mode 100644 index 000000000..d315131ee --- /dev/null +++ b/nuttx/configs/zkit-arm-1769/src/up_lcd.c @@ -0,0 +1,195 @@ +/**************************************************************************** + * 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 */ |