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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
// Avoid naming collisions with CubeHAL
#undef Red
#undef Green
#undef Blue
// Include CubeHAL
#include "stm32f4xx_hal.h"
#include "stm324x9i_eval_sdram.h"
// Panel parameters
#define AMPIRE640480_WIDTH ((uint16_t)640) /* LCD PIXEL WIDTH */
#define AMPIRE640480_HEIGHT ((uint16_t)480) /* LCD PIXEL HEIGHT */
#define AMPIRE640480_HSYNC ((uint16_t)30) /* Horizontal synchronization */
#define AMPIRE640480_HBP ((uint16_t)114) /* Horizontal back porch */
#define AMPIRE640480_HFP ((uint16_t)16) /* Horizontal front porch */
#define AMPIRE640480_VSYNC ((uint16_t)3) /* Vertical synchronization */
#define AMPIRE640480_VBP ((uint16_t)32) /* Vertical back porch */
#define AMPIRE640480_VFP ((uint16_t)10) /* Vertical front porch */
#define AMPIRE640480_FREQUENCY_DIVIDER 3 /* LCD Frequency divider */
static const ltdcConfig driverCfg = {
640, 480, // Width, Height (pixels)
30, 3, // Horizontal, Vertical sync (pixels)
114, 32, // Horizontal, Vertical back porch (pixels)
16, 10, // Horizontal, Vertical front porch (pixels)
0, // Sync flags
0x000000, // Clear color (RGB888)
{ // Background layer config
(LLDCOLOR_TYPE *)SDRAM_DEVICE_ADDR, // Frame buffer address
640, 480, // Width, Height (pixels)
640 * LTDC_PIXELBYTES, // Line pitch (bytes)
LTDC_PIXELFORMAT, // Pixel format
0, 0, // Start pixel position (x, y)
640, 480, // Size of virtual layer (cx, cy)
LTDC_COLOR_FUCHSIA, // Default color (ARGB8888)
0x980088, // Color key (RGB888)
LTDC_BLEND_FIX1_FIX2, // Blending factors
0, // Palette (RGB888, can be NULL)
0, // Palette length
0xFF, // Constant alpha factor
LTDC_LEF_ENABLE // Layer configuration flags
},
LTDC_UNUSED_LAYER_CONFIG // Foreground layer config
};
#define LCD_MAX_PCLK ((uint8_t)0x00)
static LTDC_HandleTypeDef hltdc_eval;
static uint32_t PCLK_profile = LCD_MAX_PCLK;
static void configureLcdPins(void)
{
GPIO_InitTypeDef GPIO_Init_Structure;
PCLK_profile = LCD_MAX_PCLK;
// LTDC configuration
hltdc_eval.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
hltdc_eval.LayerCfg->ImageWidth = AMPIRE640480_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE640480_HEIGHT;
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
HAL_LTDC_Init(&hltdc_eval);
// LCD clock configuration
static RCC_PeriphCLKInitTypeDef periph_clk_init_struct;
periph_clk_init_struct.PLLSAI.PLLSAIN = 151;
periph_clk_init_struct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
periph_clk_init_struct.PLLSAI.PLLSAIR = 3;
periph_clk_init_struct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&periph_clk_init_struct);
// Enable peripheral clocks
__LTDC_CLK_ENABLE();
__DMA2D_CLK_ENABLE();
__GPIOI_CLK_ENABLE();
__GPIOJ_CLK_ENABLE();
__GPIOK_CLK_ENABLE();
/*** LTDC Pins configuration ***/
// GPIOI
GPIO_Init_Structure.Pin = GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_NOPULL;
GPIO_Init_Structure.Speed = GPIO_SPEED_FAST;
GPIO_Init_Structure.Alternate = GPIO_AF14_LTDC;
HAL_GPIO_Init(GPIOI, &GPIO_Init_Structure);
// GPIOJ
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | \
GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 | \
GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | \
GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_NOPULL;
GPIO_Init_Structure.Speed = GPIO_SPEED_FAST;
GPIO_Init_Structure.Alternate = GPIO_AF14_LTDC;
HAL_GPIO_Init(GPIOJ, &GPIO_Init_Structure);
// GPIOK configuration
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | \
GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_NOPULL;
GPIO_Init_Structure.Speed = GPIO_SPEED_FAST;
GPIO_Init_Structure.Alternate = GPIO_AF14_LTDC;
HAL_GPIO_Init(GPIOK, &GPIO_Init_Structure);
}
static GFXINLINE void init_board(GDisplay* g)
{
// As we are not using multiple displays we set g->board to NULL as we don't use it
g->board = 0;
switch(g->controllerdisplay) {
case 0:
// Set pin directions
configureLcdPins();
// Initialise the SDRAM
BSP_SDRAM_Init();
break;
}
}
static GFXINLINE void post_init_board(GDisplay* g)
{
(void) g;
}
static GFXINLINE void set_backlight(GDisplay* g, uint8_t percent)
{
(void) g;
}
#endif /* _GDISP_LLD_BOARD_H */
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