boards/arm/imxrt/teensy-4.x: Added support for LCD display with ST7789
Signed-off-by: Michal Lenc <lencmich@fel.cvut.cz>
This commit is contained in:
Michal Lenc
Alan Carvalho de Assis
parent
570aa3cdac
commit
1502693f93
61
boards/arm/imxrt/teensy-4.x/configs/lcd-4.1/defconfig
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61
boards/arm/imxrt/teensy-4.x/configs/lcd-4.1/defconfig
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@ -0,0 +1,61 @@
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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_ARCH="arm"
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CONFIG_ARCH_BOARD="teensy-4.x"
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CONFIG_ARCH_BOARD_TEENSY_4X=y
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CONFIG_ARCH_CHIP="imxrt"
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CONFIG_ARCH_CHIP_IMXRT=y
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CONFIG_ARCH_CHIP_MIMXRT1062DVL6A=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARMV7M_DCACHE=y
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CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
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CONFIG_ARMV7M_ICACHE=y
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CONFIG_ARMV7M_USEBASEPRI=y
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CONFIG_BOARD_LOOPSPERMSEC=104926
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CONFIG_BUILTIN=y
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CONFIG_CDCACM=y
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CONFIG_CDCACM_CONSOLE=y
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CONFIG_DRIVERS_VIDEO=y
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CONFIG_EXAMPLES_FB=y
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CONFIG_FS_PROCFS=y
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CONFIG_IDLETHREAD_STACKSIZE=2048
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CONFIG_IMXRT_LPSPI4=y
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CONFIG_IMXRT_LPUART1=y
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CONFIG_IMXRT_USBDEV=y
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CONFIG_INTELHEX_BINARY=y
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CONFIG_LCD=y
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CONFIG_LCD_FRAMEBUFFER=y
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CONFIG_LCD_PORTRAIT=y
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CONFIG_LCD_ST7789=y
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CONFIG_MAX_TASKS=16
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CONFIG_NFILE_DESCRIPTORS=8
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_DISABLE_IFUPDOWN=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_NSH_USBCONSOLE=y
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CONFIG_NXFONTS_DISABLE_16BPP=y
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CONFIG_NXFONTS_DISABLE_1BPP=y
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CONFIG_NXFONTS_DISABLE_24BPP=y
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CONFIG_NXFONTS_DISABLE_2BPP=y
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CONFIG_NXFONTS_DISABLE_32BPP=y
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CONFIG_NXFONTS_DISABLE_4BPP=y
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CONFIG_NXFONTS_DISABLE_8BPP=y
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CONFIG_RAM_SIZE=1048576
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CONFIG_RAM_START=0x20200000
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CONFIG_SPI=y
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CONFIG_SPI_CMDDATA=y
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CONFIG_START_DAY=14
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CONFIG_START_MONTH=3
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CONFIG_SYSTEM_NSH=y
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CONFIG_TEENSY_41=y
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CONFIG_USBDEV=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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CONFIG_VIDEO_FB=y
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@ -54,4 +54,8 @@ ifeq ($(CONFIG_IMXRT_ADC),y)
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CSRCS += imxrt_adc.c
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endif
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ifeq ($(CONFIG_LCD_ST7789),y)
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CSRCS += imxrt_st7789.c
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endif
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include $(TOPDIR)/boards/Board.mk
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@ -34,7 +34,6 @@
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#include "arm_arch.h"
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#include "imxrt_config.h"
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#include "imxrt_lpspi.h"
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#include "imxrt_gpio.h"
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#include "teensy-4.h"
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@ -62,6 +61,7 @@ void weak_function imxrt_spidev_initialize(void)
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#endif
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#ifdef CONFIG_IMXRT_LPSPI4
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imxrt_config_gpio(GPIO_LPSPI4_CS); /* LPSPI4 chip select */
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imxrt_config_gpio(GPIO_LCD_CD);
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#endif
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}
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@ -144,10 +144,12 @@ uint8_t imxrt_lpspi3status(FAR struct spi_dev_s *dev, uint32_t devid)
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void imxrt_lpspi4select(FAR struct spi_dev_s *dev, uint32_t devid,
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bool selected)
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{
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spiinfo("devid: %d CS: %s\n", (int)devid,
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selected ? "assert" : "de-assert");
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imxrt_gpio_write(GPIO_LPSPI4_CS, !selected);
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spiinfo("devid: %d CS: %s\n", (int)devid,
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selected ? "assert" : "de-assert");
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if (devid == SPIDEV_DISPLAY(0))
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{
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imxrt_gpio_write(GPIO_LPSPI4_CS, !selected);
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}
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}
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uint8_t imxrt_lpspi4status(FAR struct spi_dev_s *dev, uint32_t devid)
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@ -204,7 +206,15 @@ int imxrt_lpspi3cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
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#ifdef CONFIG_IMXRT_LPSPI4
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int imxrt_lpspi4cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
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{
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return -ENODEV;
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if (devid == SPIDEV_DISPLAY(0))
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{
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imxrt_gpio_write(GPIO_LCD_CD, !cmd);
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return OK;
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}
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else
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{
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return -ENODEV;
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}
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}
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#endif
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#endif /* CONFIG_SPI_CMDDATA */
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125
boards/arm/imxrt/teensy-4.x/src/imxrt_st7789.c
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125
boards/arm/imxrt/teensy-4.x/src/imxrt_st7789.c
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@ -0,0 +1,125 @@
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/****************************************************************************
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* boards/arm/imxrt/teensy-4.x/src/imxrt_st7789.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 <stdbool.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/lcd/lcd.h>
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#include <nuttx/lcd/st7789.h>
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#include "imxrt_lpspi.h"
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#include "teensy-4.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define LCD_SPI_PORTNO 4
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static struct spi_dev_s *g_spidev;
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static struct lcd_dev_s *g_lcd = NULL;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_lcd_initialize
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*
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* Description:
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* Initialize the LCD video hardware. The initial state of the LCD is
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* fully initialized, display memory cleared, and the LCD ready to use, but
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* with the power setting at 0 (full off).
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*
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****************************************************************************/
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int board_lcd_initialize(void)
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{
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imxrt_config_gpio(GPIO_LCD_RST);
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g_spidev = imxrt_lpspibus_initialize(LCD_SPI_PORTNO);
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if (!g_spidev)
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{
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lcderr("ERROR: Failed to initialize SPI port %d\n", LCD_SPI_PORTNO);
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return -ENODEV;
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}
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imxrt_gpio_write(GPIO_LCD_RST, 0);
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up_mdelay(1);
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imxrt_gpio_write(GPIO_LCD_RST, 1);
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up_mdelay(120);
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return OK;
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}
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/****************************************************************************
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* Name: board_lcd_getdev
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*
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* Description:
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* Return a a reference to the LCD object for the specified LCD. This
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* allows support for multiple LCD devices.
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*
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****************************************************************************/
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FAR struct lcd_dev_s *board_lcd_getdev(int devno)
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{
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g_lcd = st7789_lcdinitialize(g_spidev);
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if (!g_lcd)
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{
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lcderr("ERROR: Failed to bind SPI port 4 to LCD %d\n", devno);
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}
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else
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{
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lcdinfo("SPI port 4 bound to LCD %d\n", devno);
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return g_lcd;
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}
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return NULL;
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}
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/****************************************************************************
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* Name: board_lcd_uninitialize
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*
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* Description:
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* Uninitialize the LCD support
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*
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****************************************************************************/
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void board_lcd_uninitialize(void)
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{
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/* Turn the display off */
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g_lcd->setpower(g_lcd, 0);
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}
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@ -79,6 +79,14 @@
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# define GPIO_LPSPI4_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN0 | IOMUX_LPSPI4_CS)
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/* LCD dispay */
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# define GPIO_LCD_RST (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN18 | IOMUX_LPSPI4_CS) /* B1_02 */
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# define GPIO_LCD_CD (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN19 | IOMUX_LPSPI4_CS) /* B1_03 */
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/* USB OTG ID Pin： GPIO_AD_B1_02 */
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#define GPIO_USBOTG_ID (GPIO_USB_OTG1_ID_1 | IOMUX_USBOTG_ID_DEFAULT) /* AD_B1_02 */
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