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