added st7735 LCD based support
added st7735 LCD based support
This commit is contained in:
transistorretorcido
Xiang Xiao
parent
b68fc9eb1d
commit
c9b4348b81
@ -38,6 +38,10 @@ ifeq ($(CONFIG_LCD_ST7789),y)
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CSRCS += rp2040_st7789.c
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endif
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ifeq ($(CONFIG_LCD_ST7735),y)
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CSRCS += rp2040_st7735.c
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endif
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ifeq ($(CONFIG_USBMSC),y)
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CSRCS += rp2040_usbmsc.c
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endif
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149
boards/arm/rp2040/common/src/rp2040_st7735.c
Normal file
149
boards/arm/rp2040/common/src/rp2040_st7735.c
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@ -0,0 +1,149 @@
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/****************************************************************************
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* boards/arm/rp2040/common/src/rp2040_st7735.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/st7735.h>
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#include "rp2040_spi.h"
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#include "rp2040_gpio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define LCD_SPI_PORTNO 1
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#if LCD_SPI_PORTNO
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#define LCD_DC CONFIG_RP2040_SPI1_GPIO
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#define LCD_RST 10
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#define LCD_BL 11
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#else
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#define LCD_DC CONFIG_RP2040_SPI0_GPIO
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#endif
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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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g_spidev = rp2040_spibus_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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/* SPI RX is not used. Same pin is used as LCD Data/Command control */
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rp2040_gpio_init(LCD_DC);
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rp2040_gpio_setdir(LCD_DC, true);
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rp2040_gpio_put(LCD_DC, true);
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#if LCD_SPI_PORTNO
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/* Pull LCD_RESET high */
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rp2040_gpio_init(LCD_RST);
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rp2040_gpio_setdir(LCD_RST, true);
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rp2040_gpio_put(LCD_RST, true);
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/* Set full brightness */
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rp2040_gpio_init(LCD_BL);
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rp2040_gpio_setdir(LCD_BL, true);
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rp2040_gpio_put(LCD_BL, true);
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#endif
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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 = st7735_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 %d to LCD %d\n", LCD_SPI_PORTNO,
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devno);
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}
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else
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{
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lcdinfo("SPI port %d bound to LCD %d\n", LCD_SPI_PORTNO, 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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@ -106,6 +106,19 @@ Defconfigs
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DAT1 (NC)
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* Card hot swapping is not supported.
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- st7735
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st7735 SPI LCD support
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Connection:
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st7735 Raspberry Pi Pico
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GND ----- GND (Pin 3 or 38 or ...)
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VCC ----- 5V Vbus (Pin 40)
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SDA ----- GP15 (SPI1 TX) (Pin 20)
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SCK ----- GP14 (SPI1 SCK) (Pin 19)
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CS ----- GP13 (SPI1 CSn) (Pin 17)
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AO(D/C) ----- GP12 (SPI1 RX) (Pin 16)
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BL ----- GP11 (Pin 15)
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RESET ----- GP10 (Pin 14)
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- enc28j60
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ENC28J60 SPI ethernet controller support
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- IP address is configured by DHCP.
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62
boards/arm/rp2040/raspberrypi-pico/configs/st7735/defconfig
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62
boards/arm/rp2040/raspberrypi-pico/configs/st7735/defconfig
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@ -0,0 +1,62 @@
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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_FS_PROCFS_EXCLUDE_ENVIRON is not set
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# CONFIG_LIBC_LONG_LONG 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_NSH_DISABLE_DATE is not set
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# CONFIG_NSH_DISABLE_LOSMART is not set
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# CONFIG_NSH_DISABLE_PRINTF is not set
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# CONFIG_NSH_DISABLE_TRUNCATE is not set
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# CONFIG_STANDARD_SERIAL is not set
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="raspberrypi-pico"
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CONFIG_ARCH_BOARD_RASPBERRYPI_PICO=y
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CONFIG_ARCH_CHIP="rp2040"
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CONFIG_ARCH_CHIP_RP2040=y
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CONFIG_ARCH_RAMVECTORS=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARDCTL_RESET=y
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CONFIG_BOARD_LOOPSPERMSEC=10450
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DISABLE_POSIX_TIMERS=y
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CONFIG_DRIVERS_VIDEO=y
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CONFIG_EXAMPLES_FB=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_REGISTER=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_ST7735=y
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CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_READLINE=y
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CONFIG_RAM_SIZE=270336
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CONFIG_RAM_START=0x20000000
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_RP2040_SPI1=y
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CONFIG_RP2040_SPI1_GPIO=12
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CONFIG_RP2040_SPI=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SDCLONE_DISABLE=y
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CONFIG_SPI_CMDDATA=y
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CONFIG_START_DAY=9
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CONFIG_START_MONTH=2
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CONFIG_START_YEAR=2021
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CONFIG_SYSLOG_CONSOLE=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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CONFIG_VIDEO_FB=y
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@ -131,7 +131,7 @@ uint8_t rp2040_spi1status(FAR struct spi_dev_s *dev, uint32_t devid)
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#ifdef CONFIG_SPI_CMDDATA
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int rp2040_spi1cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
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{
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#ifdef CONFIG_LCD_ST7789
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#if defined (CONFIG_LCD_ST7789) || (CONFIG_LCD_ST7735)
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if (devid == SPIDEV_DISPLAY(0))
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{
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/* This is the Data/Command control pad which determines whether the
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