From e548b77da07d7eb184de1464b1e259cd3b5a023f Mon Sep 17 00:00:00 2001 From: nongxiaoming Date: Tue, 11 Aug 2020 13:21:27 +0800 Subject: [PATCH] [bsp] stm32:fix the lcd driver for stm32f429 discovery board. --- bsp/stm32/stm32f429-st-disco/board/SConscript | 3 + bsp/stm32/stm32f429-st-disco/board/board.c | 17 +- .../stm32f429-st-disco/board/ports/ili9341.c | 313 ++++++++++++++++++ .../stm32f429-st-disco/board/ports/ili9341.h | 145 ++++++++ .../stm32f429-st-disco/board/ports/lcd_port.h | 10 +- 5 files changed, 476 insertions(+), 12 deletions(-) create mode 100644 bsp/stm32/stm32f429-st-disco/board/ports/ili9341.c create mode 100644 bsp/stm32/stm32f429-st-disco/board/ports/ili9341.h diff --git a/bsp/stm32/stm32f429-st-disco/board/SConscript b/bsp/stm32/stm32f429-st-disco/board/SConscript index 5034629509..55924547ec 100644 --- a/bsp/stm32/stm32f429-st-disco/board/SConscript +++ b/bsp/stm32/stm32f429-st-disco/board/SConscript @@ -27,6 +27,9 @@ if GetDepend(['BSP_USING_SDCARD']): if GetDepend(['BSP_USING_QSPI']): src += ['ports/drv_qspi_flash.c'] +if GetDepend(['BSP_USING_LCD']): + src += ['ports/ili9341.c'] + path = [cwd] path += [cwd + '/CubeMX_Config/Inc'] path += [cwd + '/ports'] diff --git a/bsp/stm32/stm32f429-st-disco/board/board.c b/bsp/stm32/stm32f429-st-disco/board/board.c index ca12c3724e..0abc70267a 100644 --- a/bsp/stm32/stm32f429-st-disco/board/board.c +++ b/bsp/stm32/stm32f429-st-disco/board/board.c @@ -48,12 +48,15 @@ void SystemClock_Config(void) { Error_Handler(); } + /*##-2- LTDC Clock Configuration ###########################################*/ + /* LCD clock configuration */ + /* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 MHz */ + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 192 MHz */ + /* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 192/4 = 48 MHz */ + /* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDIVR_8 = 48/8 = 6 MHz */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; - PeriphClkInitStruct.PLLSAI.PLLSAIN = 50; - PeriphClkInitStruct.PLLSAI.PLLSAIR = 2; - PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2; - if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) - { - Error_Handler(); - } + PeriphClkInitStruct.PLLSAI.PLLSAIN = 192; + PeriphClkInitStruct.PLLSAI.PLLSAIR = 4; + PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_8; + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); } diff --git a/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.c b/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.c new file mode 100644 index 0000000000..3829193b5c --- /dev/null +++ b/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.c @@ -0,0 +1,313 @@ +/* + * File : ili9341.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2020, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2020-08-11 RT-Thread the first version + */ +#include "rtthread.h" +#include "stm32f4xx_hal.h" +#include "ili9341.h" + +/** + * @brief LCD Control pin + */ +#define LCD_NCS_PIN GPIO_PIN_2 +#define LCD_NCS_GPIO_PORT GPIOC +#define LCD_NCS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE() +#define LCD_NCS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE() + +/** + * @brief LCD Command/data pin + */ +#define LCD_WRX_PIN GPIO_PIN_13 +#define LCD_WRX_GPIO_PORT GPIOD +#define LCD_WRX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE() +#define LCD_WRX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE() + +#define LCD_RDX_PIN GPIO_PIN_12 +#define LCD_RDX_GPIO_PORT GPIOD +#define LCD_RDX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE() +#define LCD_RDX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE() + +/* Maximum Timeout values for flags waiting loops */ +#define SPIx_TIMEOUT_MAX ((uint32_t)0x1000) + +/* Chip Select macro definition */ +#define LCD_CS_LOW() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_RESET) +#define LCD_CS_HIGH() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_SET) + +/* Set WRX High to send data */ +#define LCD_WRX_LOW() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_RESET) +#define LCD_WRX_HIGH() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_SET) + +/* Set WRX High to send data */ +#define LCD_RDX_LOW() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_RESET) +#define LCD_RDX_HIGH() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_SET) + +static uint8_t Is_LCD_IO_Initialized = 0; +static SPI_HandleTypeDef SpiHandle; + +/** + * @brief SPIx Bus initialization + */ +static void SPIx_Init(void) +{ + if(HAL_SPI_GetState(&SpiHandle) == HAL_SPI_STATE_RESET) + { + /* SPI configuration -----------------------------------------------------*/ + SpiHandle.Instance = SPI5; + /* SPI baudrate is set to 5.6 MHz (PCLK2/SPI_BaudRatePrescaler = 90/16 = 5.625 MHz) + */ + SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; + + /* On STM32F429I-Discovery, LCD ID cannot be read then keep a common configuration */ + /* for LCD and GYRO (SPI_DIRECTION_2LINES) */ + /* Note: To read a register a LCD, SPI_DIRECTION_1LINE should be set */ + SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; + SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE; + SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW; + SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; + SpiHandle.Init.CRCPolynomial = 7; + SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT; + SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; + SpiHandle.Init.NSS = SPI_NSS_SOFT; + SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; + SpiHandle.Init.Mode = SPI_MODE_MASTER; + + HAL_SPI_Init(&SpiHandle); + } +} + +/** + * @brief Configures the LCD_SPI interface. + */ +static void LCD_GPIO_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + if(Is_LCD_IO_Initialized == 0) + { + Is_LCD_IO_Initialized = 1; + + /* Configure NCS in Output Push-Pull mode */ + LCD_WRX_GPIO_CLK_ENABLE(); + GPIO_InitStructure.Pin = LCD_WRX_PIN; + GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStructure.Pull = GPIO_NOPULL; + GPIO_InitStructure.Speed = GPIO_SPEED_FAST; + HAL_GPIO_Init(LCD_WRX_GPIO_PORT, &GPIO_InitStructure); + + LCD_RDX_GPIO_CLK_ENABLE(); + GPIO_InitStructure.Pin = LCD_RDX_PIN; + GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStructure.Pull = GPIO_NOPULL; + GPIO_InitStructure.Speed = GPIO_SPEED_FAST; + HAL_GPIO_Init(LCD_RDX_GPIO_PORT, &GPIO_InitStructure); + + /* Configure the LCD Control pins ----------------------------------------*/ + LCD_NCS_GPIO_CLK_ENABLE(); + + /* Configure NCS in Output Push-Pull mode */ + GPIO_InitStructure.Pin = LCD_NCS_PIN; + GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStructure.Pull = GPIO_NOPULL; + GPIO_InitStructure.Speed = GPIO_SPEED_FAST; + HAL_GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure); + + /* Set or Reset the control line */ + LCD_CS_LOW(); + LCD_CS_HIGH(); + + SPIx_Init(); + } +} + +/** + * @brief Writes data to the selected LCD register. + * @param data: data to lcd. + * @retval None + */ +static void ili9341_write_data(uint16_t data) +{ + /* Set WRX to send data */ + LCD_WRX_HIGH(); + + /* Reset LCD control line(/CS) and Send data */ + LCD_CS_LOW(); + + HAL_SPI_Transmit(&SpiHandle, (uint8_t*) &data, 1, SPIx_TIMEOUT_MAX); + + /* Deselect: Chip Select high */ + LCD_CS_HIGH(); +} + +/** + * @brief Writes to the selected LCD register. + * @param reg: address of the selected register. + * @retval None + */ +static void ili9341_write_register(uint8_t reg) +{ + /* Reset WRX to send command */ + LCD_WRX_LOW(); + + /* Reset LCD control line(/CS) and Send command */ + LCD_CS_LOW(); + + HAL_SPI_Transmit(&SpiHandle, (uint8_t*) ®, 1, SPIx_TIMEOUT_MAX); + + /* Deselect: Chip Select high */ + LCD_CS_HIGH(); +} + +/** + * @brief Power on the LCD. + * @param None + * @retval int + */ +int ili9341_hw_init(void) +{ + /* Initialize ILI9341 low level bus layer ----------------------------------*/ + LCD_GPIO_Init(); + + /* Configure LCD */ + ili9341_write_register(0xCA); + ili9341_write_data(0xC3); + ili9341_write_data(0x08); + ili9341_write_data(0x50); + ili9341_write_register(LCD_POWERB); + ili9341_write_data(0x00); + ili9341_write_data(0xC1); + ili9341_write_data(0x30); + ili9341_write_register(LCD_POWER_SEQ); + ili9341_write_data(0x64); + ili9341_write_data(0x03); + ili9341_write_data(0x12); + ili9341_write_data(0x81); + ili9341_write_register(LCD_DTCA); + ili9341_write_data(0x85); + ili9341_write_data(0x00); + ili9341_write_data(0x78); + ili9341_write_register(LCD_POWERA); + ili9341_write_data(0x39); + ili9341_write_data(0x2C); + ili9341_write_data(0x00); + ili9341_write_data(0x34); + ili9341_write_data(0x02); + ili9341_write_register(LCD_PRC); + ili9341_write_data(0x20); + ili9341_write_register(LCD_DTCB); + ili9341_write_data(0x00); + ili9341_write_data(0x00); + ili9341_write_register(LCD_FRMCTR1); + ili9341_write_data(0x00); + ili9341_write_data(0x1B); + ili9341_write_register(LCD_DFC); + ili9341_write_data(0x0A); + ili9341_write_data(0xA2); + ili9341_write_register(LCD_POWER1); + ili9341_write_data(0x10); + ili9341_write_register(LCD_POWER2); + ili9341_write_data(0x10); + ili9341_write_register(LCD_VCOM1); + ili9341_write_data(0x45); + ili9341_write_data(0x15); + ili9341_write_register(LCD_VCOM2); + ili9341_write_data(0x90); + ili9341_write_register(LCD_MAC); + ili9341_write_data(0xC8); + ili9341_write_register(LCD_3GAMMA_EN); + ili9341_write_data(0x00); + ili9341_write_register(LCD_RGB_INTERFACE); + ili9341_write_data(0xC2); + ili9341_write_register(LCD_DFC); + ili9341_write_data(0x0A); + ili9341_write_data(0xA7); + ili9341_write_data(0x27); + ili9341_write_data(0x04); + + /* Colomn address set */ + ili9341_write_register(LCD_COLUMN_ADDR); + ili9341_write_data(0x00); + ili9341_write_data(0x00); + ili9341_write_data(0x00); + ili9341_write_data(0xEF); + /* Page address set */ + ili9341_write_register(LCD_PAGE_ADDR); + ili9341_write_data(0x00); + ili9341_write_data(0x00); + ili9341_write_data(0x01); + ili9341_write_data(0x3F); + ili9341_write_register(LCD_INTERFACE); + ili9341_write_data(0x01); + ili9341_write_data(0x00); + ili9341_write_data(0x06); + + ili9341_write_register(LCD_GRAM); + rt_thread_mdelay(20); + + ili9341_write_register(LCD_GAMMA); + ili9341_write_data(0x01); + + ili9341_write_register(LCD_PGAMMA); + ili9341_write_data(0x0F); + ili9341_write_data(0x29); + ili9341_write_data(0x24); + ili9341_write_data(0x0C); + ili9341_write_data(0x0E); + ili9341_write_data(0x09); + ili9341_write_data(0x4E); + ili9341_write_data(0x78); + ili9341_write_data(0x3C); + ili9341_write_data(0x09); + ili9341_write_data(0x13); + ili9341_write_data(0x05); + ili9341_write_data(0x17); + ili9341_write_data(0x11); + ili9341_write_data(0x00); + ili9341_write_register(LCD_NGAMMA); + ili9341_write_data(0x00); + ili9341_write_data(0x16); + ili9341_write_data(0x1B); + ili9341_write_data(0x04); + ili9341_write_data(0x11); + ili9341_write_data(0x07); + ili9341_write_data(0x31); + ili9341_write_data(0x33); + ili9341_write_data(0x42); + ili9341_write_data(0x05); + ili9341_write_data(0x0C); + ili9341_write_data(0x0A); + ili9341_write_data(0x28); + ili9341_write_data(0x2F); + ili9341_write_data(0x0F); + + ili9341_write_register(LCD_SLEEP_OUT); + rt_thread_mdelay(20); + ili9341_write_register(LCD_DISPLAY_ON); + /* GRAM start writing */ + ili9341_write_register(LCD_GRAM); + + return 0; +} +INIT_DEVICE_EXPORT(ili9341_hw_init); + + + diff --git a/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.h b/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.h new file mode 100644 index 0000000000..b4c59e6ffa --- /dev/null +++ b/bsp/stm32/stm32f429-st-disco/board/ports/ili9341.h @@ -0,0 +1,145 @@ +/* + * File : ili9341.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2020, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2020-08-11 RT-Thread the first version + */ +#ifndef __ILI9341_H +#define __ILI9341_H + +#ifdef __cplusplus + extern "C" { +#endif + + +/** + * @brief ILI9341 chip IDs + */ +#define ILI9341_ID 0x9341 + +/** + * @brief ILI9341 Registers + */ + +/* Level 1 Commands */ +#define LCD_SWRESET 0x01 /* Software Reset */ +#define LCD_READ_DISPLAY_ID 0x04 /* Read display identification information */ +#define LCD_RDDST 0x09 /* Read Display Status */ +#define LCD_RDDPM 0x0A /* Read Display Power Mode */ +#define LCD_RDDMADCTL 0x0B /* Read Display MADCTL */ +#define LCD_RDDCOLMOD 0x0C /* Read Display Pixel Format */ +#define LCD_RDDIM 0x0D /* Read Display Image Format */ +#define LCD_RDDSM 0x0E /* Read Display Signal Mode */ +#define LCD_RDDSDR 0x0F /* Read Display Self-Diagnostic Result */ +#define LCD_SPLIN 0x10 /* Enter Sleep Mode */ +#define LCD_SLEEP_OUT 0x11 /* Sleep out register */ +#define LCD_PTLON 0x12 /* Partial Mode ON */ +#define LCD_NORMAL_MODE_ON 0x13 /* Normal Display Mode ON */ +#define LCD_DINVOFF 0x20 /* Display Inversion OFF */ +#define LCD_DINVON 0x21 /* Display Inversion ON */ +#define LCD_GAMMA 0x26 /* Gamma register */ +#define LCD_DISPLAY_OFF 0x28 /* Display off register */ +#define LCD_DISPLAY_ON 0x29 /* Display on register */ +#define LCD_COLUMN_ADDR 0x2A /* Colomn address register */ +#define LCD_PAGE_ADDR 0x2B /* Page address register */ +#define LCD_GRAM 0x2C /* GRAM register */ +#define LCD_RGBSET 0x2D /* Color SET */ +#define LCD_RAMRD 0x2E /* Memory Read */ +#define LCD_PLTAR 0x30 /* Partial Area */ +#define LCD_VSCRDEF 0x33 /* Vertical Scrolling Definition */ +#define LCD_TEOFF 0x34 /* Tearing Effect Line OFF */ +#define LCD_TEON 0x35 /* Tearing Effect Line ON */ +#define LCD_MAC 0x36 /* Memory Access Control register*/ +#define LCD_VSCRSADD 0x37 /* Vertical Scrolling Start Address */ +#define LCD_IDMOFF 0x38 /* Idle Mode OFF */ +#define LCD_IDMON 0x39 /* Idle Mode ON */ +#define LCD_PIXEL_FORMAT 0x3A /* Pixel Format register */ +#define LCD_WRITE_MEM_CONTINUE 0x3C /* Write Memory Continue */ +#define LCD_READ_MEM_CONTINUE 0x3E /* Read Memory Continue */ +#define LCD_SET_TEAR_SCANLINE 0x44 /* Set Tear Scanline */ +#define LCD_GET_SCANLINE 0x45 /* Get Scanline */ +#define LCD_WDB 0x51 /* Write Brightness Display register */ +#define LCD_RDDISBV 0x52 /* Read Display Brightness */ +#define LCD_WCD 0x53 /* Write Control Display register*/ +#define LCD_RDCTRLD 0x54 /* Read CTRL Display */ +#define LCD_WRCABC 0x55 /* Write Content Adaptive Brightness Control */ +#define LCD_RDCABC 0x56 /* Read Content Adaptive Brightness Control */ +#define LCD_WRITE_CABC 0x5E /* Write CABC Minimum Brightness */ +#define LCD_READ_CABC 0x5F /* Read CABC Minimum Brightness */ +#define LCD_READ_ID1 0xDA /* Read ID1 */ +#define LCD_READ_ID2 0xDB /* Read ID2 */ +#define LCD_READ_ID3 0xDC /* Read ID3 */ + +/* Level 2 Commands */ +#define LCD_RGB_INTERFACE 0xB0 /* RGB Interface Signal Control */ +#define LCD_FRMCTR1 0xB1 /* Frame Rate Control (In Normal Mode) */ +#define LCD_FRMCTR2 0xB2 /* Frame Rate Control (In Idle Mode) */ +#define LCD_FRMCTR3 0xB3 /* Frame Rate Control (In Partial Mode) */ +#define LCD_INVTR 0xB4 /* Display Inversion Control */ +#define LCD_BPC 0xB5 /* Blanking Porch Control register */ +#define LCD_DFC 0xB6 /* Display Function Control register */ +#define LCD_ETMOD 0xB7 /* Entry Mode Set */ +#define LCD_BACKLIGHT1 0xB8 /* Backlight Control 1 */ +#define LCD_BACKLIGHT2 0xB9 /* Backlight Control 2 */ +#define LCD_BACKLIGHT3 0xBA /* Backlight Control 3 */ +#define LCD_BACKLIGHT4 0xBB /* Backlight Control 4 */ +#define LCD_BACKLIGHT5 0xBC /* Backlight Control 5 */ +#define LCD_BACKLIGHT7 0xBE /* Backlight Control 7 */ +#define LCD_BACKLIGHT8 0xBF /* Backlight Control 8 */ +#define LCD_POWER1 0xC0 /* Power Control 1 register */ +#define LCD_POWER2 0xC1 /* Power Control 2 register */ +#define LCD_VCOM1 0xC5 /* VCOM Control 1 register */ +#define LCD_VCOM2 0xC7 /* VCOM Control 2 register */ +#define LCD_NVMWR 0xD0 /* NV Memory Write */ +#define LCD_NVMPKEY 0xD1 /* NV Memory Protection Key */ +#define LCD_RDNVM 0xD2 /* NV Memory Status Read */ +#define LCD_READ_ID4 0xD3 /* Read ID4 */ +#define LCD_PGAMMA 0xE0 /* Positive Gamma Correction register */ +#define LCD_NGAMMA 0xE1 /* Negative Gamma Correction register */ +#define LCD_DGAMCTRL1 0xE2 /* Digital Gamma Control 1 */ +#define LCD_DGAMCTRL2 0xE3 /* Digital Gamma Control 2 */ +#define LCD_INTERFACE 0xF6 /* Interface control register */ + +/* Extend register commands */ +#define LCD_POWERA 0xCB /* Power control A register */ +#define LCD_POWERB 0xCF /* Power control B register */ +#define LCD_DTCA 0xE8 /* Driver timing control A */ +#define LCD_DTCB 0xEA /* Driver timing control B */ +#define LCD_POWER_SEQ 0xED /* Power on sequence register */ +#define LCD_3GAMMA_EN 0xF2 /* 3 Gamma enable register */ +#define LCD_PRC 0xF7 /* Pump ratio control register */ + +/* Size of read registers */ +#define LCD_READ_ID4_SIZE 3 /* Size of Read ID4 */ + + +/** @defgroup ILI9341_Exported_Functions + * @{ + */ +int ili9341_hw_init(void); + + +#ifdef __cplusplus +} +#endif + +#endif /* __ILI9341_H */ + + diff --git a/bsp/stm32/stm32f429-st-disco/board/ports/lcd_port.h b/bsp/stm32/stm32f429-st-disco/board/ports/lcd_port.h index d8605bf613..6f8112cc1b 100644 --- a/bsp/stm32/stm32f429-st-disco/board/ports/lcd_port.h +++ b/bsp/stm32/stm32f429-st-disco/board/ports/lcd_port.h @@ -18,12 +18,12 @@ #define LCD_BUF_SIZE (LCD_WIDTH * LCD_HEIGHT * LCD_BITS_PER_PIXEL / 8) #define LCD_PIXEL_FORMAT RTGRAPHIC_PIXEL_FORMAT_RGB565 -#define LCD_HSYNC_WIDTH 2 +#define LCD_HSYNC_WIDTH 10 #define LCD_VSYNC_HEIGHT 2 -#define LCD_HBP 46 -#define LCD_VBP 23 -#define LCD_HFP 22 -#define LCD_VFP 22 +#define LCD_HBP 20 +#define LCD_VBP 2 +#define LCD_HFP 10 +#define LCD_VFP 5 #define LCD_BACKLIGHT_USING_GPIO #define LCD_BL_GPIO_NUM GET_PIN(D, 7)