mirror of
https://github.com/apache/nuttx.git
synced 2026-09-22 14:41:29 +08:00
fix backlight GPIO, add backlight control, and add LVGL defconfig
This commit is contained in:
halyssonJr
Xiang Xiao
@@ -0,0 +1,83 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_backlight.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BACKLIGHT_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BACKLIGHT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_set_backlight
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*
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* Description:
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* Configure the backlight gpio and set the brightness level.
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*
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* Input Parameters:
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* level - select the brightness level
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int esp32_set_backlight(uint8_t level);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BACKLIGHT_H */
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@@ -112,6 +112,10 @@ ifeq ($(CONFIG_LCD_BACKPACK),y)
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CSRCS += esp32_lcd_backpack.c
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endif
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ifeq ($(CONFIG_LCD_DEV),y)
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CSRCS += esp32_backlight.c
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endif
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ifeq ($(CONFIG_LCD_ILI9341),y)
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CSRCS += esp32_ili9341.c
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endif
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@@ -0,0 +1,83 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_backlight.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <arch/board/board.h>
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#include "esp32_gpio.h"
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#include "esp32_backlight.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define HAVE_BACKLIGHT 1
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#if !defined(DISPLAY_BCKL)
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#undef HAVE_BACKLIGHT
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_set_backlight
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*
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* Description:
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* Configure the backlight gpio and set the brightness level.
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*
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* Input Parameters:
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* level - select the brightness level
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int esp32_set_backlight(uint8_t level)
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{
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#ifdef HAVE_BACKLIGHT
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esp32_configgpio(DISPLAY_BCKL, OUTPUT);
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/* TODO: use PWM to set the display brightness */
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if (level == 0)
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{
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esp32_gpiowrite(DISPLAY_BCKL, false);
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}
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else
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{
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/* Set full brightness */
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esp32_gpiowrite(DISPLAY_BCKL, true);
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}
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#endif
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return OK;
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}
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@@ -0,0 +1,64 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ESP32_SPI2_DMA is not set
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# CONFIG_ESP32_SPI_SWCS is not set
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# CONFIG_LV_BUILD_EXAMPLES is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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CONFIG_ARCH="xtensa"
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CONFIG_ARCH_BOARD="esp32-2432S028"
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CONFIG_ARCH_BOARD_COMMON=y
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CONFIG_ARCH_BOARD_ESP32_2432S028=y
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CONFIG_ARCH_CHIP="esp32"
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CONFIG_ARCH_CHIP_ESP32=y
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CONFIG_ARCH_CHIP_ESP32WROVER=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_ESP32_SPI2=y
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CONFIG_ESP32_UART0=y
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CONFIG_EXAMPLES_LVGLDEMO=y
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CONFIG_FS_PROCFS=y
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CONFIG_GRAPHICS_LVGL=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_IDLETHREAD_STACKSIZE=3072
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INTELHEX_BINARY=y
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CONFIG_LCD=y
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CONFIG_LCD_DEV=y
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CONFIG_LCD_ILI9341=y
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CONFIG_LCD_ILI9341_IFACE0=y
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CONFIG_LV_COLOR_16_SWAP=y
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CONFIG_LV_DEMO_WIDGETS_SLIDESHOW=y
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CONFIG_LV_MEM_CUSTOM=y
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CONFIG_LV_PORT_LCDDEV_DOUBLE_BUFFER=y
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CONFIG_LV_PORT_USE_LCDDEV=y
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CONFIG_LV_TICK_CUSTOM=y
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CONFIG_LV_TICK_CUSTOM_INCLUDE="port/lv_port_tick.h"
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CONFIG_LV_USE_DEMO_WIDGETS=y
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CONFIG_LV_USE_LOG=y
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CONFIG_MM_REGIONS=3
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_LINELEN=64
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SPI_CMDDATA=y
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CONFIG_START_DAY=6
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CONFIG_START_MONTH=12
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CONFIG_START_YEAR=2011
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CONFIG_SYSLOG_BUFFER=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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@@ -43,8 +43,9 @@
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#define DISPLAY_SPI 2
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#define DISPLAY_DC 2
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#define DISPLAY_RST 12
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#define DISPLAY_RST -1 /* Reset pin is connected to on EN pin */
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#define DISPLAY_BCKL 21
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#define DISPLAY_BCKL_LEVEL 1 /* Logic level to turn on the backlight */
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/* GPIO pins used by the GPIO Subsystem */
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@@ -71,6 +71,7 @@
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#ifdef CONFIG_LCD_DEV
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# include <nuttx/board.h>
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# include <nuttx/lcd/lcd_dev.h>
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# include "esp32_backlight.h"
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#endif
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#include "esp32-2432S028.h"
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@@ -335,6 +336,12 @@ int esp32_bringup(void)
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syslog(LOG_ERR, "ERROR: board_lcd_initialize() failed: %d\n", ret);
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}
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ret = esp32_set_backlight(DISPLAY_BCKL_LEVEL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: esp32_set_backlight() failed: %d\n", ret);
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}
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ret = lcddev_register(0);
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if (ret < 0)
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{
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