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Posted to commits@nuttx.apache.org by ac...@apache.org on 2021/03/16 09:35:16 UTC
[incubator-nuttx] 02/02: boards/raspberrypi-pico: Pico Display Pack
(ST7789 LCD) support
This is an automated email from the ASF dual-hosted git repository.
acassis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 5699dd86ebcbb764e2a0b6244fb236d1b3ab49d6
Author: Yuichi Nakamura <y....@gmail.com>
AuthorDate: Tue Mar 16 00:32:54 2021 +0900
boards/raspberrypi-pico: Pico Display Pack (ST7789 LCD) support
---
boards/arm/rp2040/common/src/Make.defs | 4 +
boards/arm/rp2040/common/src/rp2040_st7789.c | 124 +++++++++++++++++++++
boards/arm/rp2040/raspberrypi-pico/README.txt | 7 ++
.../raspberrypi-pico/configs/displaypack/defconfig | 98 ++++++++++++++++
.../rp2040/raspberrypi-pico/src/rp2040_bringup.c | 12 ++
.../arm/rp2040/raspberrypi-pico/src/rp2040_spi.c | 27 +++++
6 files changed, 272 insertions(+)
diff --git a/boards/arm/rp2040/common/src/Make.defs b/boards/arm/rp2040/common/src/Make.defs
index 72c2862..259975a 100644
--- a/boards/arm/rp2040/common/src/Make.defs
+++ b/boards/arm/rp2040/common/src/Make.defs
@@ -30,6 +30,10 @@ ifeq ($(CONFIG_LCD_SSD1306),y)
CSRCS += rp2040_ssd1306.c
endif
+ifeq ($(CONFIG_LCD_ST7789),y)
+CSRCS += rp2040_st7789.c
+endif
+
ifeq ($(CONFIG_RP2040_SPISD),y)
CSRCS += rp2040_spisd.c
endif
diff --git a/boards/arm/rp2040/common/src/rp2040_st7789.c b/boards/arm/rp2040/common/src/rp2040_st7789.c
new file mode 100644
index 0000000..bc70847
--- /dev/null
+++ b/boards/arm/rp2040/common/src/rp2040_st7789.c
@@ -0,0 +1,124 @@
+/****************************************************************************
+ * boards/arm/rp2040/common/src/rp2040_st7789.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/board.h>
+#include <nuttx/spi/spi.h>
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/lcd/st7789.h>
+
+#include "rp2040_spi.h"
+#include "rp2040_gpio.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define LCD_SPI_PORTNO 0
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct spi_dev_s *g_spidev;
+static struct lcd_dev_s *g_lcd = NULL;
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_lcd_initialize
+ *
+ * Description:
+ * Initialize the LCD video hardware. The initial state of the LCD is
+ * fully initialized, display memory cleared, and the LCD ready to use, but
+ * with the power setting at 0 (full off).
+ *
+ ****************************************************************************/
+
+int board_lcd_initialize(void)
+{
+ g_spidev = rp2040_spibus_initialize(LCD_SPI_PORTNO);
+ if (!g_spidev)
+ {
+ lcderr("ERROR: Failed to initialize SPI port %d\n", LCD_SPI_PORTNO);
+ return -ENODEV;
+ }
+
+ /* SPI RX is not used. Same pin is used as LCD Data/Command control */
+
+ rp2040_gpio_init(CONFIG_RP2040_SPI0_GPIO);
+ rp2040_gpio_setdir(CONFIG_RP2040_SPI0_GPIO, true);
+ rp2040_gpio_put(CONFIG_RP2040_SPI0_GPIO, true);
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: board_lcd_getdev
+ *
+ * Description:
+ * Return a a reference to the LCD object for the specified LCD. This
+ * allows support for multiple LCD devices.
+ *
+ ****************************************************************************/
+
+FAR struct lcd_dev_s *board_lcd_getdev(int devno)
+{
+ g_lcd = st7789_lcdinitialize(g_spidev);
+ if (!g_lcd)
+ {
+ lcderr("ERROR: Failed to bind SPI port 0 to LCD %d\n", devno);
+ }
+ else
+ {
+ lcdinfo("SPI port 0 bound to LCD %d\n", devno);
+ return g_lcd;
+ }
+
+ return NULL;
+}
+
+/****************************************************************************
+ * Name: board_lcd_uninitialize
+ *
+ * Description:
+ * Uninitialize the LCD support
+ *
+ ****************************************************************************/
+
+void board_lcd_uninitialize(void)
+{
+ /* Turn the display off */
+
+ g_lcd->setpower(g_lcd, 0);
+}
diff --git a/boards/arm/rp2040/raspberrypi-pico/README.txt b/boards/arm/rp2040/raspberrypi-pico/README.txt
index 37d7a74..d3a4f30 100644
--- a/boards/arm/rp2040/raspberrypi-pico/README.txt
+++ b/boards/arm/rp2040/raspberrypi-pico/README.txt
@@ -19,6 +19,8 @@ Currently only the following devices are suppored.
BOOTSEL mode will be created.
- BMP180 sensor at I2C0 (don't forget to define I2C0 GPIOs at "I2C0 GPIO pin assign" in Board Selection menu)
- INA219 sensor / module (don't forget to define I2C0 GPIOs at "I2C0 GPIO pin assign" in Board Selection menu)
+ - Pico Display Pack (ST7789 LCD)
+ - RGB leds and buttons are not supported yet.
Not supported:
- All other devices
@@ -102,6 +104,11 @@ Defconfigs
INT ----- GP11 (Pin 15)
RESET ----- GP10 (Pin 14)
+- displaypack
+ Pico Display Pack support
+ See the following page for connection:
+ https://shop.pimoroni.com/products/pico-display-pack
+
License exceptions
==================
diff --git a/boards/arm/rp2040/raspberrypi-pico/configs/displaypack/defconfig b/boards/arm/rp2040/raspberrypi-pico/configs/displaypack/defconfig
new file mode 100644
index 0000000..e0761f7
--- /dev/null
+++ b/boards/arm/rp2040/raspberrypi-pico/configs/displaypack/defconfig
@@ -0,0 +1,98 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_EXAMPLES_NXLINES_DEFAULT_COLORS is not set
+# CONFIG_FS_PROCFS_EXCLUDE_ENVIRON is not set
+# CONFIG_LIBC_LONG_LONG is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+# CONFIG_NSH_DISABLE_DATE is not set
+# CONFIG_NSH_DISABLE_LOSMART is not set
+# CONFIG_NSH_DISABLE_PRINTF is not set
+# CONFIG_NSH_DISABLE_TRUNCATE is not set
+# CONFIG_NXFONTS_DISABLE_16BPP is not set
+# CONFIG_NX_DISABLE_16BPP is not set
+# CONFIG_NX_PACKEDMSFIRST is not set
+# CONFIG_NX_WRITEONLY is not set
+# CONFIG_STANDARD_SERIAL is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="raspberrypi-pico"
+CONFIG_ARCH_BOARD_RASPBERRYPI_PICO=y
+CONFIG_ARCH_CHIP="rp2040"
+CONFIG_ARCH_CHIP_RP2040=y
+CONFIG_ARCH_RAMVECTORS=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_LOOPSPERMSEC=10450
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DISABLE_POSIX_TIMERS=y
+CONFIG_DRIVERS_VIDEO=y
+CONFIG_EXAMPLES_FB=y
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_EXAMPLES_NX=y
+CONFIG_EXAMPLES_NXDEMO=y
+CONFIG_EXAMPLES_NXDEMO_BPP=16
+CONFIG_EXAMPLES_NXHELLO=y
+CONFIG_EXAMPLES_NXHELLO_BPP=16
+CONFIG_EXAMPLES_NXLINES=y
+CONFIG_EXAMPLES_NXLINES_BGCOLOR=0x0320
+CONFIG_EXAMPLES_NXLINES_BORDERCOLOR=0xffe0
+CONFIG_EXAMPLES_NXLINES_BORDERWIDTH=4
+CONFIG_EXAMPLES_NXLINES_BPP=16
+CONFIG_EXAMPLES_NXLINES_CIRCLECOLOR=0xf7bb
+CONFIG_EXAMPLES_NXLINES_LINECOLOR=0xffe0
+CONFIG_EXAMPLES_NX_BPP=16
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_I2C=y
+CONFIG_LCD=y
+CONFIG_LCD_DEV=y
+CONFIG_LCD_FRAMEBUFFER=y
+CONFIG_LCD_MAXCONTRAST=255
+CONFIG_LCD_NOGETRUN=y
+CONFIG_LCD_ST7789=y
+CONFIG_LCD_ST7789_FREQUENCY=64000000
+CONFIG_LCD_ST7789_XOFFSET=53
+CONFIG_LCD_ST7789_XRES=135
+CONFIG_LCD_ST7789_YOFFSET=40
+CONFIG_LCD_ST7789_YRES=240
+CONFIG_MAX_TASKS=8
+CONFIG_MQ_MAXMSGSIZE=64
+CONFIG_NFILE_DESCRIPTORS=6
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_NX=y
+CONFIG_NXFONTS_PACKEDMSFIRST=y
+CONFIG_NXFONT_SANS40X49B=y
+CONFIG_NX_BLOCKING=y
+CONFIG_RAM_SIZE=270336
+CONFIG_RAM_START=0x20000000
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_RP2040_SPI0=y
+CONFIG_RP2040_SPI0_GPIO=16
+CONFIG_RP2040_SPI=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SPI_CMDDATA=y
+CONFIG_START_DAY=9
+CONFIG_START_MONTH=2
+CONFIG_START_YEAR=2021
+CONFIG_SYSLOG_CONSOLE=y
+CONFIG_SYSTEM_I2CTOOL=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_SPITOOL=y
+CONFIG_TESTING_GETPRIME=y
+CONFIG_TESTING_OSTEST=y
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
+CONFIG_VIDEO_FB=y
diff --git a/boards/arm/rp2040/raspberrypi-pico/src/rp2040_bringup.c b/boards/arm/rp2040/raspberrypi-pico/src/rp2040_bringup.c
index 49b9f8b..dd040d7 100644
--- a/boards/arm/rp2040/raspberrypi-pico/src/rp2040_bringup.c
+++ b/boards/arm/rp2040/raspberrypi-pico/src/rp2040_bringup.c
@@ -33,6 +33,10 @@
#include "rp2040_pico.h"
+#ifdef CONFIG_VIDEO_FB
+# include <nuttx/video/fb.h>
+#endif
+
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -122,5 +126,13 @@ int rp2040_bringup(void)
}
#endif
+#ifdef CONFIG_VIDEO_FB
+ ret = fb_register(0, 0);
+ if (ret < 0)
+ {
+ _err("ERROR: Failed to initialize Frame Buffer Driver.\n");
+ }
+#endif
+
return ret;
}
diff --git a/boards/arm/rp2040/raspberrypi-pico/src/rp2040_spi.c b/boards/arm/rp2040/raspberrypi-pico/src/rp2040_spi.c
index d7866a0..fef438d 100644
--- a/boards/arm/rp2040/raspberrypi-pico/src/rp2040_spi.c
+++ b/boards/arm/rp2040/raspberrypi-pico/src/rp2040_spi.c
@@ -86,6 +86,26 @@ uint8_t rp2040_spi0status(FAR struct spi_dev_s *dev, uint32_t devid)
# endif
return ret;
}
+
+#ifdef CONFIG_SPI_CMDDATA
+int rp2040_spi0cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
+{
+#ifdef CONFIG_LCD_ST7789
+ if (devid == SPIDEV_DISPLAY(0))
+ {
+ /* This is the Data/Command control pad which determines whether the
+ * data bits are data or a command.
+ */
+
+ rp2040_gpio_put(CONFIG_RP2040_SPI0_GPIO, !cmd);
+
+ return OK;
+ }
+#endif
+
+ return -ENODEV;
+}
+#endif
#endif
#ifdef CONFIG_RP2040_SPI1
@@ -107,4 +127,11 @@ uint8_t rp2040_spi1status(FAR struct spi_dev_s *dev, uint32_t devid)
# endif
return ret;
}
+
+#ifdef CONFIG_SPI_CMDDATA
+int rp2040_spi1cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
+{
+ return -ENODEV;
+}
+#endif
#endif