drivers/lcd: Add support for external LCD initialization required by some board logic. configs/zpa214xpa: Tried to get the LCD working again unsuccessfully. Too much bit rot I suppose.
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Gregory Nutt
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776b65bc90
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3657723208
@ -236,7 +236,7 @@ Using OpenOCD and GDB with an FT2232 JTAG emulator
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configs/zp214xpa/tools/oocd.sh $PWD
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If you add that path to your PATH environment variable, ithe commandi
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If you add that path to your PATH environment variable, the command
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simplifies to just:
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oocd.sh $PWD
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@ -337,4 +337,12 @@ Configurations:
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CONFIG_ARM_TOOLCHAIN_GNU_EABIL=y : Buildroot (arm-nuttx-elf-gcc)
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CONFIG_RAW_BINARY=y : Output formats: ELF and raw binary
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3. Verified as of this writing (2012-12-30).
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STATUS:
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2012-12-30: Configuration verified.
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2017-11-25: Grrr... This configuration no longer works. Some serious bit
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rot has set in. Now only random garbage appears on the OLED. Certainly
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a lot has changed since 2012, but I cannot see any change to either this
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configuration, to the LCD driver or to the LPC2148 support that would
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effect the operation of the LCD.
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@ -1,7 +1,7 @@
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/****************************************************************************
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* config/zp214xpa/src/lpc2148_appinit.c
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*
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* Copyright (C) 2015-2016 Gregory Nutt. All rights reserved.
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* Copyright (C) 2015-2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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@ -40,7 +40,11 @@
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <nuttx/board.h>
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#include <syslog.h>
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#ifdef CONFIG_VIDEO_FB
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# include <nuttx/video/fb.h>
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#endif
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#ifdef CONFIG_LIB_BOARDCTL
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@ -75,6 +79,29 @@
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int board_app_initialize(uintptr_t arg)
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{
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int ret;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_VIDEO_FB
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/* Initialize and register the framebuffer driver */
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ret = fb_register(0, 0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
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}
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#endif
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UNUSED(ret);
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return OK;
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}
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@ -41,6 +41,17 @@ config LCD_FRAMEBUFFER
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disabled because this external commone framebuffer interface will
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provide the necessary buffering.
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config LCD_EXTERNINIT
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bool "External LCD Initialization"
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default n
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depends on LCD_FRAMEBUFFER
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---help---
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Define to support external LCD initialization by platform-specific
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code. This this option is defined, then the LCD framebuffer
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emulation will call board_graphics_setup() to initialize the
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graphics device. This option is necessary if display is used that
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cannot be initialized using the standard LCD interfaces.
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menu "LCD driver selection"
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config LCD_CONSOLE
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@ -496,6 +496,16 @@ int up_fbinitialize(int display)
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priv->vtable.setcursor = lcdfb_setcursor,
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#endif
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#ifdef CONFIG_LCD_EXTERNINIT
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/* Use external graphics driver initialization */
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lcd = board_graphics_setup(display);
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if (lcd == NULL)
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{
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gerr("ERROR: board_graphics_setup failed, devno=%d\n", display);
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return EXIT_FAILURE;
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}
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#else
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/* Initialize the LCD device */
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ret = board_lcd_initialize();
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@ -514,6 +524,7 @@ int up_fbinitialize(int display)
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ret = -ENODEV;
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goto errout_with_lcd;
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}
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#endif
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priv->lcd = lcd;
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@ -571,9 +582,11 @@ int up_fbinitialize(int display)
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return OK;
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errout_with_lcd:
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#ifndef CONFIG_LCD_EXTERNINIT
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board_lcd_uninitialize();
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errout_with_state:
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#endif
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kmm_free(priv);
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return ret;
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}
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@ -656,9 +669,11 @@ void up_fbuninitialize(int display)
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g_lcdfb = priv->flink;
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}
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#ifndef CONFIG_LCD_EXTERNINIT
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/* Uninitialize the LCD */
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board_lcd_uninitialize();
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#endif
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/* Free the frame buffer allocation */
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@ -389,8 +389,9 @@ config NX_MXCLIENTMSGS
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controls how many messages are pre-allocated).
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config NXSTART_EXTERNINIT
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bool "External display Initialization"
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bool "External Display Initialization"
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default n
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select LCD_EXTERNINIT if NX_LCDDRIVER
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---help---
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Define to support external display initialization by platform-
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specific code. This this option is defined, then nx_start() will
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@ -349,7 +349,7 @@ void board_tsc_teardown(void);
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*
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****************************************************************************/
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#ifdef CONFIG_NX_LCDDRIVER
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#if defined(CONFIG_NX_LCDDRIVER) || defined(CONFIG_LCD_FRAMEBUFFER)
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struct lcd_dev_s;
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FAR struct lcd_dev_s *board_graphics_setup(unsigned int devno);
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#else
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