689 lines
32 KiB
C
689 lines
32 KiB
C
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/*
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* File : usart.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-10-30 Tanek the first version
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*/
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#include <board.h>
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#include <rtthread.h>
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#include "fsl_common.h"
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#include "fsl_elcdif.h"
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#include "fsl_gpio.h"
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//#define LCD_DEBUG
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#ifdef RT_USING_GUIENGINE
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#define APP_HSW 41
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#define APP_HFP 4
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#define APP_HBP 8
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#define APP_VSW 10
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#define APP_VFP 4
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#define APP_VBP 2
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#define APP_POL_FLAGS \
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(kELCDIF_DataEnableActiveHigh | kELCDIF_VsyncActiveLow | kELCDIF_HsyncActiveLow | kELCDIF_DriveDataOnRisingClkEdge)
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#define FRAME_BUFFER_ALIGN 64
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#define LCD_PIXEL_T uint16_t
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#define LCD_BITS_PER_PIXEL (sizeof(LCD_PIXEL_T) * 8)
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#define LCD_INIT_DATA (0x00)
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/* Display. */
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#define LCD_DISP_GPIO GPIO1
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#define LCD_DISP_GPIO_PIN 2
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/* Back light. */
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#define LCD_BL_GPIO GPIO2
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#define LCD_BL_GPIO_PIN 31
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#define APP_ELCDIF LCDIF
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#define APP_LCDIF_DATA_BUS kELCDIF_DataBus16Bit
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#define FRAME_BUFFER_COUNT 2
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#define RT_HW_LCD_WIDTH ((uint16_t)800) /* LCD PIXEL WIDTH */
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#define RT_HW_LCD_HEIGHT ((uint16_t)480) /* LCD PIXEL HEIGHT */
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ALIGN(FRAME_BUFFER_ALIGN)
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static LCD_PIXEL_T lcdif_frame_buffer[FRAME_BUFFER_COUNT][RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH] SECTION("NonCacheable");
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#ifdef LCD_DEBUG
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static volatile bool s_frameDone = false;
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#endif
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struct imxrt_lcd_t
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{
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struct rt_device_graphic_info lcd_info;
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struct rt_device lcd;
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struct rt_semaphore lcd_sem;
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rt_uint32_t index; //lcd buffer
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LCD_PIXEL_T * framebuffer;
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bool update;
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};
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static struct imxrt_lcd_t imxrt_lcd;
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static void _lcd_gpio_config(void)
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{
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CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_02_GPIO1_IO02, /* GPIO_AD_B0_02 is configured as GPIO1_IO02 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_00_LCD_CLK, /* GPIO_B0_00 is configured as LCD_CLK */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_01_LCD_ENABLE, /* GPIO_B0_01 is configured as LCD_ENABLE */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_02_LCD_HSYNC, /* GPIO_B0_02 is configured as LCD_HSYNC */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_03_LCD_VSYNC, /* GPIO_B0_03 is configured as LCD_VSYNC */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_04_LCD_DATA00, /* GPIO_B0_04 is configured as LCD_DATA00 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_05_LCD_DATA01, /* GPIO_B0_05 is configured as LCD_DATA01 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_06_LCD_DATA02, /* GPIO_B0_06 is configured as LCD_DATA02 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_07_LCD_DATA03, /* GPIO_B0_07 is configured as LCD_DATA03 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_08_LCD_DATA04, /* GPIO_B0_08 is configured as LCD_DATA04 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_09_LCD_DATA05, /* GPIO_B0_09 is configured as LCD_DATA05 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_10_LCD_DATA06, /* GPIO_B0_10 is configured as LCD_DATA06 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_11_LCD_DATA07, /* GPIO_B0_11 is configured as LCD_DATA07 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_12_LCD_DATA08, /* GPIO_B0_12 is configured as LCD_DATA08 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_13_LCD_DATA09, /* GPIO_B0_13 is configured as LCD_DATA09 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_14_LCD_DATA10, /* GPIO_B0_14 is configured as LCD_DATA10 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B0_15_LCD_DATA11, /* GPIO_B0_15 is configured as LCD_DATA11 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_00_LCD_DATA12, /* GPIO_B1_00 is configured as LCD_DATA12 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_01_LCD_DATA13, /* GPIO_B1_01 is configured as LCD_DATA13 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_02_LCD_DATA14, /* GPIO_B1_02 is configured as LCD_DATA14 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_03_LCD_DATA15, /* GPIO_B1_03 is configured as LCD_DATA15 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_15_GPIO2_IO31, /* GPIO_B1_15 is configured as GPIO2_IO31 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_02_GPIO1_IO02, /* GPIO_AD_B0_02 PAD functional properties : */
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0x10B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Keeper
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Pull Up / Down Config. Field: 100K Ohm Pull Down
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_00_LCD_CLK, /* GPIO_B0_00 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_01_LCD_ENABLE, /* GPIO_B0_01 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_02_LCD_HSYNC, /* GPIO_B0_02 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_03_LCD_VSYNC, /* GPIO_B0_03 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_04_LCD_DATA00, /* GPIO_B0_04 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_05_LCD_DATA01, /* GPIO_B0_05 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_06_LCD_DATA02, /* GPIO_B0_06 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_07_LCD_DATA03, /* GPIO_B0_07 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_08_LCD_DATA04, /* GPIO_B0_08 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_09_LCD_DATA05, /* GPIO_B0_09 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_10_LCD_DATA06, /* GPIO_B0_10 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_11_LCD_DATA07, /* GPIO_B0_11 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_12_LCD_DATA08, /* GPIO_B0_12 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_13_LCD_DATA09, /* GPIO_B0_13 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Enabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B0_14_LCD_DATA10, /* GPIO_B0_14 PAD functional properties : */
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0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B0_15_LCD_DATA11, /* GPIO_B0_15 PAD functional properties : */
|
||
|
|
0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B1_00_LCD_DATA12, /* GPIO_B1_00 PAD functional properties : */
|
||
|
|
0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B1_01_LCD_DATA13, /* GPIO_B1_01 PAD functional properties : */
|
||
|
|
0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B1_02_LCD_DATA14, /* GPIO_B1_02 PAD functional properties : */
|
||
|
|
0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B1_03_LCD_DATA15, /* GPIO_B1_03 PAD functional properties : */
|
||
|
|
0x01B0B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Pull
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
||
|
|
Hyst. Enable Field: Hysteresis Enabled */
|
||
|
|
IOMUXC_SetPinConfig(
|
||
|
|
IOMUXC_GPIO_B1_15_GPIO2_IO31, /* GPIO_B1_15 PAD functional properties : */
|
||
|
|
0x10B0u); /* Slew Rate Field: Slow Slew Rate
|
||
|
|
Drive Strength Field: R0/6
|
||
|
|
Speed Field: medium(100MHz)
|
||
|
|
Open Drain Enable Field: Open Drain Disabled
|
||
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
||
|
|
Pull / Keep Select Field: Keeper
|
||
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Down
|
||
|
|
Hyst. Enable Field: Hysteresis Disabled */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void _lcd_clock_config(void)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* The desired output frame rate is 60Hz. So the pixel clock frequency is:
|
||
|
|
* (480 + 41 + 4 + 18) * (272 + 10 + 4 + 2) * 60 = 9.2M.
|
||
|
|
* Here set the LCDIF pixel clock to 9.3M.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Initialize the Video PLL.
|
||
|
|
* Video PLL output clock is OSC24M * (loopDivider + (denominator / numerator)) / postDivider = 93MHz.
|
||
|
|
*/
|
||
|
|
clock_video_pll_config_t config = {
|
||
|
|
.loopDivider = 31, .postDivider = 8, .numerator = 0, .denominator = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
CLOCK_InitVideoPll(&config);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 000 derive clock from PLL2
|
||
|
|
* 001 derive clock from PLL3 PFD3
|
||
|
|
* 010 derive clock from PLL5
|
||
|
|
* 011 derive clock from PLL2 PFD0
|
||
|
|
* 100 derive clock from PLL2 PFD1
|
||
|
|
* 101 derive clock from PLL3 PFD1
|
||
|
|
*/
|
||
|
|
CLOCK_SetMux(kCLOCK_Lcdif1PreMux, 2);
|
||
|
|
|
||
|
|
CLOCK_SetDiv(kCLOCK_Lcdif1PreDiv, 4);
|
||
|
|
|
||
|
|
CLOCK_SetDiv(kCLOCK_Lcdif1Div, 1);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 000 derive clock from divided pre-muxed lcdif1 clock
|
||
|
|
* 001 derive clock from ipp_di0_clk
|
||
|
|
* 010 derive clock from ipp_di1_clk
|
||
|
|
* 011 derive clock from ldb_di0_clk
|
||
|
|
* 100 derive clock from ldb_di1_clk
|
||
|
|
*/
|
||
|
|
CLOCK_SetMux(kCLOCK_Lcdif1Mux, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Initialize the LCD_DISP. */
|
||
|
|
static void _lcd_hardware_reset(void)
|
||
|
|
{
|
||
|
|
volatile uint32_t i = 0x100U;
|
||
|
|
|
||
|
|
gpio_pin_config_t config = {
|
||
|
|
kGPIO_DigitalOutput, 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Reset the LCD. */
|
||
|
|
GPIO_PinInit(LCD_DISP_GPIO, LCD_DISP_GPIO_PIN, &config);
|
||
|
|
|
||
|
|
GPIO_PinWrite(LCD_DISP_GPIO, LCD_DISP_GPIO_PIN, 0);
|
||
|
|
|
||
|
|
while (i--)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
GPIO_PinWrite(LCD_DISP_GPIO, LCD_DISP_GPIO_PIN, 1);
|
||
|
|
|
||
|
|
/* Backlight. */
|
||
|
|
config.outputLogic = 1;
|
||
|
|
GPIO_PinInit(LCD_BL_GPIO, LCD_BL_GPIO_PIN, &config);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void _lcdif_init(void)
|
||
|
|
{
|
||
|
|
const elcdif_rgb_mode_config_t config = {
|
||
|
|
.panelWidth = RT_HW_LCD_WIDTH,
|
||
|
|
.panelHeight = RT_HW_LCD_HEIGHT,
|
||
|
|
.hsw = APP_HSW,
|
||
|
|
.hfp = APP_HFP,
|
||
|
|
.hbp = APP_HBP,
|
||
|
|
.vsw = APP_VSW,
|
||
|
|
.vfp = APP_VFP,
|
||
|
|
.vbp = APP_VBP,
|
||
|
|
.polarityFlags = APP_POL_FLAGS,
|
||
|
|
.bufferAddr = (uint32_t)lcdif_frame_buffer[0],
|
||
|
|
.pixelFormat = kELCDIF_PixelFormatRGB565,
|
||
|
|
.dataBus = APP_LCDIF_DATA_BUS,
|
||
|
|
};
|
||
|
|
|
||
|
|
ELCDIF_RgbModeInit(LCDIF, &config);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void _lcd_interrupt_init(void)
|
||
|
|
{
|
||
|
|
EnableIRQ(LCDIF_IRQn);
|
||
|
|
ELCDIF_EnableInterrupts(LCDIF, kELCDIF_CurFrameDoneInterruptEnable);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void _lcd_start(void)
|
||
|
|
{
|
||
|
|
ELCDIF_RgbModeStart(LCDIF);
|
||
|
|
}
|
||
|
|
|
||
|
|
void LCDIF_IRQHandler(void)
|
||
|
|
{
|
||
|
|
uint32_t intStatus;
|
||
|
|
|
||
|
|
intStatus = ELCDIF_GetInterruptStatus(LCDIF);
|
||
|
|
|
||
|
|
ELCDIF_ClearInterruptStatus(LCDIF, intStatus);
|
||
|
|
|
||
|
|
if (intStatus & kELCDIF_CurFrameDone)
|
||
|
|
{
|
||
|
|
#ifdef LCD_DEBUG
|
||
|
|
s_frameDone = true;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (imxrt_lcd.update)
|
||
|
|
{
|
||
|
|
ELCDIF_SetNextBufferAddr(LCDIF, (uint32_t)lcdif_frame_buffer[imxrt_lcd.index]);
|
||
|
|
imxrt_lcd.update = false;
|
||
|
|
rt_sem_release(&imxrt_lcd.lcd_sem);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static rt_err_t rt_lcd_control(rt_device_t dev, int cmd, void *args)
|
||
|
|
{
|
||
|
|
switch (cmd)
|
||
|
|
{
|
||
|
|
case RTGRAPHIC_CTRL_RECT_UPDATE:
|
||
|
|
{
|
||
|
|
if(rt_sem_take(&imxrt_lcd.lcd_sem, RT_TICK_PER_SECOND/20) != RT_EOK)
|
||
|
|
{
|
||
|
|
rt_kprintf("lcdtimeout!\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
imxrt_lcd.index = (imxrt_lcd.index + 1) % FRAME_BUFFER_COUNT;
|
||
|
|
memcpy(lcdif_frame_buffer[imxrt_lcd.index], imxrt_lcd.framebuffer,
|
||
|
|
sizeof(LCD_PIXEL_T) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
|
||
|
|
imxrt_lcd.update = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case RTGRAPHIC_CTRL_POWERON:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case RTGRAPHIC_CTRL_POWEROFF:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case RTGRAPHIC_CTRL_GET_INFO:
|
||
|
|
memcpy(args, &imxrt_lcd.lcd_info, sizeof(imxrt_lcd.lcd_info));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case RTGRAPHIC_CTRL_SET_MODE:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int imxrt_hw_lcd_init(void)
|
||
|
|
{
|
||
|
|
LCD_PIXEL_T * framebuffer;
|
||
|
|
|
||
|
|
framebuffer = rt_malloc_align(sizeof(LCD_PIXEL_T) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT, FRAME_BUFFER_ALIGN);
|
||
|
|
if(!framebuffer)
|
||
|
|
{
|
||
|
|
rt_kprintf("malloc framebuffer fail\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
imxrt_lcd.framebuffer = framebuffer;
|
||
|
|
|
||
|
|
memset(framebuffer, LCD_INIT_DATA, sizeof(LCD_PIXEL_T) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
|
||
|
|
memset(lcdif_frame_buffer, LCD_INIT_DATA, sizeof(lcdif_frame_buffer));
|
||
|
|
|
||
|
|
rt_kprintf("framebuffer: %p, lcdif_frame_buffer: %p, lcdif_frame_buffer[0]: %p, lcdif_frame_buffer[1]: %p\n", \
|
||
|
|
framebuffer, lcdif_frame_buffer, lcdif_frame_buffer[0], lcdif_frame_buffer[1]);
|
||
|
|
|
||
|
|
_lcd_gpio_config();
|
||
|
|
_lcd_clock_config();
|
||
|
|
_lcd_hardware_reset();
|
||
|
|
_lcdif_init();
|
||
|
|
_lcd_interrupt_init();
|
||
|
|
_lcd_start();
|
||
|
|
|
||
|
|
imxrt_lcd.index = 0;
|
||
|
|
imxrt_lcd.update = false;
|
||
|
|
|
||
|
|
imxrt_lcd.lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
|
||
|
|
imxrt_lcd.lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
|
||
|
|
imxrt_lcd.lcd_info.framebuffer = (void *)framebuffer;
|
||
|
|
imxrt_lcd.lcd_info.width = RT_HW_LCD_WIDTH;
|
||
|
|
imxrt_lcd.lcd_info.height = RT_HW_LCD_HEIGHT;
|
||
|
|
|
||
|
|
imxrt_lcd.lcd.type = RT_Device_Class_Graphic;
|
||
|
|
imxrt_lcd.lcd.init = NULL;
|
||
|
|
imxrt_lcd.lcd.open = NULL;
|
||
|
|
imxrt_lcd.lcd.close = NULL;
|
||
|
|
imxrt_lcd.lcd.read = NULL;
|
||
|
|
imxrt_lcd.lcd.write = NULL;
|
||
|
|
imxrt_lcd.lcd.control = rt_lcd_control;
|
||
|
|
imxrt_lcd.lcd.user_data = (void *)&imxrt_lcd.lcd_info;
|
||
|
|
|
||
|
|
rt_sem_init(&imxrt_lcd.lcd_sem, "lcd_sem", 1, RT_IPC_FLAG_FIFO);
|
||
|
|
|
||
|
|
/* register lcd device to RT-Thread */
|
||
|
|
rt_device_register(&imxrt_lcd.lcd, "lcd", RT_DEVICE_FLAG_RDWR);
|
||
|
|
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
//INIT_DEVICE_EXPORT(imxrt_hw_lcd_init);
|
||
|
|
|
||
|
|
#ifdef LCD_DEBUG
|
||
|
|
#include <finsh.h>
|
||
|
|
|
||
|
|
void APP_FillFrameBuffer(uint32_t frameBuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH])
|
||
|
|
{
|
||
|
|
/* Background color. */
|
||
|
|
static const uint32_t bgColor = 0U;
|
||
|
|
/* Foreground color. */
|
||
|
|
static uint8_t fgColorIndex = 0U;
|
||
|
|
static const uint32_t fgColorTable[] = {0x000000FFU, 0x0000FF00U, 0x0000FFFFU, 0x00FF0000U,
|
||
|
|
0x00FF00FFU, 0x00FFFF00U, 0x00FFFFFFU};
|
||
|
|
uint32_t fgColor = fgColorTable[fgColorIndex];
|
||
|
|
|
||
|
|
/* Position of the foreground rectangle. */
|
||
|
|
static uint16_t upperLeftX = 0U;
|
||
|
|
static uint16_t upperLeftY = 0U;
|
||
|
|
static uint16_t lowerRightX = (RT_HW_LCD_WIDTH - 1U) / 2U;
|
||
|
|
static uint16_t lowerRightY = (RT_HW_LCD_HEIGHT - 1U) / 2U;
|
||
|
|
|
||
|
|
static int8_t incX = 1;
|
||
|
|
static int8_t incY = 1;
|
||
|
|
|
||
|
|
/* Change color in next forame or not. */
|
||
|
|
static bool changeColor = false;
|
||
|
|
|
||
|
|
uint32_t i, j;
|
||
|
|
|
||
|
|
/* Background color. */
|
||
|
|
for (i = 0; i < RT_HW_LCD_HEIGHT; i++)
|
||
|
|
{
|
||
|
|
for (j = 0; j < RT_HW_LCD_WIDTH; j++)
|
||
|
|
{
|
||
|
|
frameBuffer[i][j] = bgColor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Foreground color. */
|
||
|
|
for (i = upperLeftY; i < lowerRightY; i++)
|
||
|
|
{
|
||
|
|
for (j = upperLeftX; j < lowerRightX; j++)
|
||
|
|
{
|
||
|
|
frameBuffer[i][j] = fgColor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Update the format: color and rectangle position. */
|
||
|
|
upperLeftX += incX;
|
||
|
|
upperLeftY += incY;
|
||
|
|
lowerRightX += incX;
|
||
|
|
lowerRightY += incY;
|
||
|
|
|
||
|
|
changeColor = false;
|
||
|
|
|
||
|
|
if (0U == upperLeftX)
|
||
|
|
{
|
||
|
|
incX = 1;
|
||
|
|
changeColor = true;
|
||
|
|
}
|
||
|
|
else if (RT_HW_LCD_WIDTH - 1 == lowerRightX)
|
||
|
|
{
|
||
|
|
incX = -1;
|
||
|
|
changeColor = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0U == upperLeftY)
|
||
|
|
{
|
||
|
|
incY = 1;
|
||
|
|
changeColor = true;
|
||
|
|
}
|
||
|
|
else if (RT_HW_LCD_HEIGHT - 1 == lowerRightY)
|
||
|
|
{
|
||
|
|
incY = -1;
|
||
|
|
changeColor = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (changeColor)
|
||
|
|
{
|
||
|
|
fgColorIndex++;
|
||
|
|
|
||
|
|
if (ARRAY_SIZE(fgColorTable) == fgColorIndex)
|
||
|
|
{
|
||
|
|
fgColorIndex = 0U;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_test(void)
|
||
|
|
{
|
||
|
|
uint32_t frameBufferIndex = 0;
|
||
|
|
|
||
|
|
APP_FillFrameBuffer(lcdif_frame_buffer[frameBufferIndex]);
|
||
|
|
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
frameBufferIndex ^= 1U;
|
||
|
|
|
||
|
|
APP_FillFrameBuffer(lcdif_frame_buffer[frameBufferIndex]);
|
||
|
|
|
||
|
|
ELCDIF_SetNextBufferAddr(LCDIF, (uint32_t)lcdif_frame_buffer[frameBufferIndex]);
|
||
|
|
|
||
|
|
s_frameDone = false;
|
||
|
|
/* Wait for previous frame complete. */
|
||
|
|
while (!s_frameDone)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
FINSH_FUNCTION_EXPORT(lcd_test, lcd test);
|
||
|
|
#endif
|
||
|
|
#endif
|