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halyssonJrxiaoxiang781216
halyssonJr
authored and
xiaoxiang781216
committed
add support to LTDC for Linum board
1 parent 17a06ce commit b832638

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4 files changed

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‎boards/arm/stm32h7/linum-stm32h753bi/include/board.h

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@@ -548,6 +548,72 @@
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#define GPIO_TIM5_CH1IN GPIO_TIM5_CH1IN_1 /* PA0 */
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#define GPIO_TIM5_CH2IN GPIO_TIM5_CH2IN_2 /* PH11 */
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/* LTDC */
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#define GPIO_LTDC_R0 (GPIO_LTDC_R0_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R1 (GPIO_LTDC_R1_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R2 (GPIO_LTDC_R2_4 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R3 (GPIO_LTDC_R3_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R4 (GPIO_LTDC_R4_4 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R5 (GPIO_LTDC_R5_4 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R6 (GPIO_LTDC_R6_4 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_R7 (GPIO_LTDC_R7_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G0 (GPIO_LTDC_G0_2 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G1 (GPIO_LTDC_G1_2 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G2 (GPIO_LTDC_G2_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G3 (GPIO_LTDC_G3_4 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G4 (GPIO_LTDC_G4_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G5 (GPIO_LTDC_G5_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G6 (GPIO_LTDC_G6_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_G7 (GPIO_LTDC_G7_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B0 (GPIO_LTDC_B0_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B1 (GPIO_LTDC_B1_2 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B2 (GPIO_LTDC_B2_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B3 (GPIO_LTDC_B3_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B4 (GPIO_LTDC_B4_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B5 (GPIO_LTDC_B5_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B6 (GPIO_LTDC_B6_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_B7 (GPIO_LTDC_B7_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_VSYNC (GPIO_LTDC_VSYNC_2 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_HSYNC (GPIO_LTDC_HSYNC_2 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_DE (GPIO_LTDC_DE_3 | GPIO_SPEED_100MHz)
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#define GPIO_LTDC_CLK (GPIO_LTDC_CLK_3 | GPIO_SPEED_100MHz)
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/* LCD definitions **********************************************************/
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#define BOARD_LTDC_WIDTH 1024
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#define BOARD_LTDC_HEIGHT 600
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#define BOARD_LTDC_OUTPUT_BPP 16
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#define BOARD_LTDC_HFP 160
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#define BOARD_LTDC_HBP 160
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#define BOARD_LTDC_VFP 1
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#define BOARD_LTDC_VBP 23
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#define BOARD_LTDC_HSYNC 0
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#define BOARD_LTDC_VSYNC 0
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#define BOARD_LTDC_PLLSAIN 192
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#define BOARD_LTDC_PLLSAIR 5
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/* Pixel Clock Polarity */
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#define BOARD_LTDC_GCR_PCPOL 0 /* !LTDC_GCR_PCPOL */
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/* Data Enable Polarity */
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#define BOARD_LTDC_GCR_DEPOL 0 /* !LTDC_GCR_DEPOL */
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/* Vertical Sync Polarity */
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#define BOARD_LTDC_GCR_VSPOL 0 /* !LTDC_GCR_VSPOL */
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/* Horizontal Sync Polarity */
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#define BOARD_LTDC_GCR_HSPOL 0 /* !LTDC_GCR_HSPOL */
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/****************************************************************************
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* Public Data
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****************************************************************************/

‎boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h

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@@ -118,6 +118,14 @@
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#define LINUMSTM32H753BI_QETIMER 5
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/* LCD */
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#define GPIO_LCD_DISP (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_SET|GPIO_PORTI|GPIO_PIN7)
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#define GPIO_LCD_BL (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_SET|GPIO_PORTH|GPIO_PIN6)
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/

‎boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c

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@@ -53,10 +53,38 @@
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#include <nuttx/usb/rndis.h>
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#endif
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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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#include <arch/board/board.h>
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void convert_lcd_rgb565(void)
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{
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/* Put LCD_{R0,R1,R2,G0,G1,B0,B1,B2} in low level */
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stm32_configgpio(GPIO_LTDC_R0);
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stm32_gpiowrite(GPIO_LTDC_R0, 0);
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stm32_configgpio(GPIO_LTDC_R1);
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stm32_gpiowrite(GPIO_LTDC_R1, 0);
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stm32_configgpio(GPIO_LTDC_R2);
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stm32_gpiowrite(GPIO_LTDC_R2, 0);
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stm32_configgpio(GPIO_LTDC_G0);
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stm32_gpiowrite(GPIO_LTDC_G0, 0);
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stm32_configgpio(GPIO_LTDC_G1);
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stm32_gpiowrite(GPIO_LTDC_G1, 0);
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stm32_configgpio(GPIO_LTDC_B0);
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stm32_gpiowrite(GPIO_LTDC_B0, 0);
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stm32_configgpio(GPIO_LTDC_B1);
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stm32_gpiowrite(GPIO_LTDC_B1, 0);
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stm32_configgpio(GPIO_LTDC_B2);
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stm32_gpiowrite(GPIO_LTDC_B2, 0);
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}
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/****************************************************************************
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* Name: stm32_i2c_register
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*
@@ -158,6 +186,20 @@ int stm32_bringup(void)
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}
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#endif /* CONFIG_FS_PROCFS */
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/* Put pin not used in RG565 to level zero */
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convert_lcd_rgb565();
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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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#ifdef CONFIG_USERLED
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/* Register the LED driver */
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‎boards/arm/stm32h7/linum-stm32h753bi/src/stm32_lcd.c

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/****************************************************************************
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* boards/arm/stm32h7/linum-stm32h753bi/src/stm32_lcd.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 <errno.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/video/fb.h>
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#include <arch/board/board.h>
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#include "stm32_gpio.h"
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#include "stm32_ltdc.h"
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#include "linum-stm32h753bi.h"
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#ifdef CONFIG_STM32H7_LTDC
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_fbinitialize
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*
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* Description:
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* Initialize the framebuffer video hardware associated with the display.
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*
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* Input Parameters:
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* display - In the case of hardware with multiple displays, this
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* specifies the display. Normally this is zero.
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*
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* Returned Value:
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* Zero is returned on success; a negated errno value is returned on any
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* failure.
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*
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****************************************************************************/
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int up_fbinitialize(int display)
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{
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/* Custom LCD display with RGB interface */
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stm32_configgpio(GPIO_LCD_DISP);
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stm32_configgpio(GPIO_LCD_BL);
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stm32_gpiowrite(GPIO_LCD_DISP, true);
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stm32_gpiowrite(GPIO_LCD_BL, true);
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return stm32_ltdcinitialize();
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}
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/****************************************************************************
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* Name: up_fbgetvplane
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*
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* Description:
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* Return a a reference to the framebuffer object for the specified video
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* plane of the specified plane.
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* Many OSDs support multiple planes of video.
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*
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* Input Parameters:
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* display - In the case of hardware with multiple displays, this
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* specifies the display. Normally this is zero.
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* vplane - Identifies the plane being queried.
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*
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* Returned Value:
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* A non-NULL pointer to the frame buffer access structure is returned on
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* success; NULL is returned on any failure.
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*
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****************************************************************************/
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struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
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{
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return stm32_ltdcgetvplane(vplane);
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}
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/****************************************************************************
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* Name: up_fbuninitialize
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*
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* Description:
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* Uninitialize the framebuffer support for the specified display.
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*
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* Input Parameters:
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* display - In the case of hardware with multiple displays, this
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* specifies the display. Normally this is zero.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void up_fbuninitialize(int display)
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{
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stm32_gpiowrite(GPIO_LCD_DISP, false);
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stm32_gpiowrite(GPIO_LCD_BL, false);
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stm32_ltdcuninitialize();
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}
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#endif /* CONFIG_STM32_LTDC */

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