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rt-thread/bsp/imxrt1052-evk/drivers/drv_lcd.c

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[bsp] add LCD and touch driver, and update configuration
2017-12-15 16:28:05 +08:00
/*
* File : usart.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2017-10-30 Tanek the first version
*/
#include <board.h>
#include <rtthread.h>
#include "fsl_common.h"
#include "fsl_elcdif.h"
#include "fsl_gpio.h"
//#define LCD_DEBUG
[UIEngine] move UI engine as a package
2018-03-03 16:34:01 +08:00
#ifdef PKG_USING_GUIENGINE
[bsp] add LCD and touch driver, and update configuration
2017-12-15 16:28:05 +08:00
#define APP_HSW 41
#define APP_HFP 4
#define APP_HBP 8
#define APP_VSW 10
#define APP_VFP 4
#define APP_VBP 2
#define APP_POL_FLAGS \
(kELCDIF_DataEnableActiveHigh | kELCDIF_VsyncActiveLow | kELCDIF_HsyncActiveLow | kELCDIF_DriveDataOnRisingClkEdge)
#define FRAME_BUFFER_ALIGN 64
#define LCD_PIXEL_T uint16_t
#define LCD_BITS_PER_PIXEL (sizeof(LCD_PIXEL_T) * 8)
#define LCD_INIT_DATA (0x00)
/* Display. */
#define LCD_DISP_GPIO GPIO1
#define LCD_DISP_GPIO_PIN 2
/* Back light. */
#define LCD_BL_GPIO GPIO2
#define LCD_BL_GPIO_PIN 31
#define APP_ELCDIF LCDIF
#define APP_LCDIF_DATA_BUS kELCDIF_DataBus16Bit
#define FRAME_BUFFER_COUNT 2
#define RT_HW_LCD_WIDTH ((uint16_t)800) /* LCD PIXEL WIDTH */
#define RT_HW_LCD_HEIGHT ((uint16_t)480) /* LCD PIXEL HEIGHT */
ALIGN(FRAME_BUFFER_ALIGN)
static LCD_PIXEL_T lcdif_frame_buffer[FRAME_BUFFER_COUNT][RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH] SECTION("NonCacheable");
#ifdef LCD_DEBUG
static volatile bool s_frameDone = false;
#endif
struct imxrt_lcd_t
{
struct rt_device_graphic_info lcd_info;
struct rt_device lcd;
struct rt_semaphore lcd_sem;
rt_uint32_t index; //lcd buffer
LCD_PIXEL_T * framebuffer;
bool update;
};
static struct imxrt_lcd_t imxrt_lcd;
static void _lcd_gpio_config(void)
{
CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_02_GPIO1_IO02, /* GPIO_AD_B0_02 is configured as GPIO1_IO02 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_00_LCD_CLK, /* GPIO_B0_00 is configured as LCD_CLK */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_01_LCD_ENABLE, /* GPIO_B0_01 is configured as LCD_ENABLE */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_02_LCD_HSYNC, /* GPIO_B0_02 is configured as LCD_HSYNC */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_03_LCD_VSYNC, /* GPIO_B0_03 is configured as LCD_VSYNC */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_04_LCD_DATA00, /* GPIO_B0_04 is configured as LCD_DATA00 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_05_LCD_DATA01, /* GPIO_B0_05 is configured as LCD_DATA01 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_06_LCD_DATA02, /* GPIO_B0_06 is configured as LCD_DATA02 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_07_LCD_DATA03, /* GPIO_B0_07 is configured as LCD_DATA03 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_08_LCD_DATA04, /* GPIO_B0_08 is configured as LCD_DATA04 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_09_LCD_DATA05, /* GPIO_B0_09 is configured as LCD_DATA05 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_10_LCD_DATA06, /* GPIO_B0_10 is configured as LCD_DATA06 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_11_LCD_DATA07, /* GPIO_B0_11 is configured as LCD_DATA07 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_12_LCD_DATA08, /* GPIO_B0_12 is configured as LCD_DATA08 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_13_LCD_DATA09, /* GPIO_B0_13 is configured as LCD_DATA09 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_14_LCD_DATA10, /* GPIO_B0_14 is configured as LCD_DATA10 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B0_15_LCD_DATA11, /* GPIO_B0_15 is configured as LCD_DATA11 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_00_LCD_DATA12, /* GPIO_B1_00 is configured as LCD_DATA12 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_01_LCD_DATA13, /* GPIO_B1_01 is configured as LCD_DATA13 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_02_LCD_DATA14, /* GPIO_B1_02 is configured as LCD_DATA14 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_03_LCD_DATA15, /* GPIO_B1_03 is configured as LCD_DATA15 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_15_GPIO2_IO31, /* GPIO_B1_15 is configured as GPIO2_IO31 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_02_GPIO1_IO02, /* GPIO_AD_B0_02 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 */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B0_00_LCD_CLK, /* GPIO_B0_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_B0_01_LCD_ENABLE, /* GPIO_B0_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_B0_02_LCD_HSYNC, /* GPIO_B0_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_B0_03_LCD_VSYNC, /* GPIO_B0_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_B0_04_LCD_DATA00, /* GPIO_B0_04 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_B0_05_LCD_DATA01, /* GPIO_B0_05 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_B0_06_LCD_DATA02, /* GPIO_B0_06 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_B0_07_LCD_DATA03, /* GPIO_B0_07 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_B0_08_LCD_DATA04, /* GPIO_B0_08 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_B0_09_LCD_DATA05, /* GPIO_B0_09 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_B0_10_LCD_DATA06, /* GPIO_B0_10 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_B0_11_LCD_DATA07, /* GPIO_B0_11 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_B0_12_LCD_DATA08, /* GPIO_B0_12 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_B0_13_LCD_DATA09, /* GPIO_B0_13 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_B0_14_LCD_DATA10, /* GPIO_B0_14 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_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