STM32F469I Discovery LCD ドライバ [詳解]

#include "device.h"
#include "device/video_ioctl.h"
#include "timer.h"
#include "tkprintf.h"
#include "graphics.h"
#include "stm32469i_discovery_lcd.h"

32f469i-disc_lcd.c の依存先関係図:

[ソースコード]

マクロ定義
#define	LCD_WIDTH 800

#define	LCD_HEIGHT 480

#define	__ATTR_FRAMEBUFFER __attribute__ ((section(".extram"))) __attribute__ ((aligned (4)))

関数
static void	init_framebuf (void)

static uint8_t	LCD_Init (void)

static void	Display_DSIIF_Init (void)

static int	lcd_register (struct st_device dev, char param)

static int	lcd_ioctl (struct st_device dev, unsigned int com, unsigned int arg, void param)

変数
unsigned char lcd_f_buffer_main [LCD_WIDTH LCD_HEIGHT 4]	__ATTR_FRAMEBUFFER

LTDC_HandleTypeDef	hltdc_discovery

DSI_HandleTypeDef	hdsi_discovery

LTDC_HandleTypeDef	hltdc_eval

DSI_HandleTypeDef	hdsi_eval

DSI_VidCfgTypeDef	hdsivideo_handle

static struct st_video_info	lcd_info

const struct st_device	lcd_device

詳解

STM32F469I Discovery LCD ドライバ

日付: 2018.08.15

著者: Takashi SHUDO

32f469i-disc_lcd.c に定義があります。

関数詳解

◆ LCD_Init()

static uint8_t LCD_Init ( void )

static

< LcdClk = 19200 kHz

< Vertical start active time in units of lines

< Vertical Back Porch time in units of lines

< Vertical Front Porch time in units of lines

< Vertical Active time in units of lines = imageSize Y in pixels to display

< Horizontal start active time in units of lcdClk

< Horizontal Back Porch time in units of lcdClk

< Horizontal Front Porch time in units of lcdClk

< Horizontal Active time in units of lcdClk = imageSize X in pixels to display

32f469i-disc_lcd.c の 47 行目に定義があります。

変数詳解

◆ lcd_device

const struct st_device lcd_device

初期値:

= {
        .name           = DEF_DEV_NAME_VIDEO,
        .explan         = "STM32F469I-Discovery LCD",
        .info           = (void *)&lcd_info,
        .register_dev   = lcd_register,
        .ioctl          = lcd_ioctl,
}

32f469i-disc_lcd.c の 306 行目に定義があります。

◆ lcd_info

struct st_video_info lcd_info