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Diffstat (limited to 'boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h')
| -rw-r--r-- | boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h b/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h new file mode 100644 index 00000000..c1d65bc4 --- /dev/null +++ b/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h @@ -0,0 +1,163 @@ +/* + * 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 */ |