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Merge pull request #1529 from TanekLiang/imxrt-lcd-update

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[bsp][imxrt1052] update lcd driver and add lcd init code
This commit is contained in:
Bernard Xiong 2018-06-12 21:05:26 +08:00 committed by GitHub
commit 35a0e8e8c9
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2 changed files with 187 additions and 129 deletions
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42
bsp/imxrt1052-evk/applications/lcd_init.c Normal file
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@ -0,0 +1,42 @@
/*
* File : lcd_init.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-06-12 Tanek first version
*/
#include <rtthread.h>
#if defined(PKG_USING_GUIENGINE)
#include <rtgui/driver.h>
int lcd_init(void)
{
struct rt_device *device;
device = rt_device_find("lcd");
if (device)
{
rtgui_graphic_set_device(device);
}
return 0;
}
INIT_APP_EXPORT(lcd_init);
#endif

90
bsp/imxrt1052-evk/drivers/drv_lcd.c
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@ -20,16 +20,16 @@
#include "fsl_elcdif.h" #include "fsl_elcdif.h"
#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT) #if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT)
#error "Please config lcd pixel parameters." #error "Please config lcd pixel parameters."
#endif #endif
#if !defined(LCD_HFP) || !defined(LCD_HBP) || !defined(LCD_HSW) || \ #if !defined(LCD_HFP) || !defined(LCD_HBP) || !defined(LCD_HSW) || \
!defined(LCD_VFP) || !defined(LCD_VBP) || !defined(LCD_VSW) !defined(LCD_VFP) || !defined(LCD_VBP) || !defined(LCD_VSW)
#error "Please config lcd timing parameters." #error "Please config lcd timing parameters."
#endif #endif
#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN) #if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN)
#error "Please config lcd backlight or reset pin." #error "Please config lcd backlight or reset pin."
#endif #endif
struct rt1050_lcd struct rt1050_lcd
@ -47,69 +47,87 @@ static rt_err_t rt1050_lcd_init(rt_device_t device)
rt_memset(frame_buffer, 0x00, sizeof(frame_buffer)); rt_memset(frame_buffer, 0x00, sizeof(frame_buffer));
/* DeInit Video PLL. */ /* DeInit Video PLL. */
CLOCK_DeinitVideoPll(); CLOCK_DeinitVideoPll();
/* Bypass Video PLL. */
CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK; /*
/* Set divider for Video PLL. */ * Initialize the Video PLL.
CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0); * Video PLL output clock is OSC24M * (loopDivider + (denominator / numerator)) / postDivider = 93MHz.
/* Enable Video PLL output. */ */
CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK; clock_video_pll_config_t config =
{
.loopDivider = 31, .postDivider = 8, .numerator = 0, .denominator = 1,
};
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_LcdifPreMux, 2);
CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 4);
CLOCK_SetDiv(kCLOCK_LcdifDiv, 1);
/* GPIO */ /* GPIO */
CLOCK_EnableClock(kCLOCK_Iomuxc); CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_04_LCD_DATA00, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_04_LCD_DATA00, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_05_LCD_DATA01, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_05_LCD_DATA01, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_06_LCD_DATA02, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_06_LCD_DATA02, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_07_LCD_DATA03, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_07_LCD_DATA03, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_08_LCD_DATA04, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_08_LCD_DATA04, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_09_LCD_DATA05, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_09_LCD_DATA05, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_10_LCD_DATA06, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_10_LCD_DATA06, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_11_LCD_DATA07, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_11_LCD_DATA07, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_12_LCD_DATA08, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_12_LCD_DATA08, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_13_LCD_DATA09, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_13_LCD_DATA09, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_14_LCD_DATA10, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_14_LCD_DATA10, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_15_LCD_DATA11, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_15_LCD_DATA11, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B1_00_LCD_DATA12, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B1_00_LCD_DATA12, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B1_01_LCD_DATA13, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B1_01_LCD_DATA13, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B1_02_LCD_DATA14, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B1_02_LCD_DATA14, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B1_03_LCD_DATA15, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B1_03_LCD_DATA15, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_00_LCD_CLK, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_00_LCD_CLK, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */
IOMUXC_SetPinMux (IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */ IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */
rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */ rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */
rt_pin_write(LCD_RST_PIN, PIN_LOW); rt_pin_write(LCD_RST_PIN, PIN_LOW);
rt_thread_delay(RT_TICK_PER_SECOND/100); rt_thread_delay(RT_TICK_PER_SECOND / 100);
rt_pin_write(LCD_RST_PIN, PIN_HIGH); rt_pin_write(LCD_RST_PIN, PIN_HIGH);
rt_pin_mode (LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */ rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */
rt_pin_write(LCD_BL_PIN, PIN_HIGH); rt_pin_write(LCD_BL_PIN, PIN_HIGH);
/* LCD */ /* LCD */
@ -133,7 +151,7 @@ static rt_err_t rt1050_lcd_init(rt_device_t device)
lcd_config.dataBus = kELCDIF_DataBus16Bit; lcd_config.dataBus = kELCDIF_DataBus16Bit;
lcd_config.bufferAddr = (uint32_t)frame_buffer; lcd_config.bufferAddr = (uint32_t)frame_buffer;
ELCDIF_RgbModeInit (LCDIF, &lcd_config); ELCDIF_RgbModeInit(LCDIF, &lcd_config);
ELCDIF_RgbModeStart(LCDIF); ELCDIF_RgbModeStart(LCDIF);
/* LCD DEVICE */ /* LCD DEVICE */
@ -148,7 +166,7 @@ static rt_err_t rt1050_lcd_init(rt_device_t device)
static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args) static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args)
{ {
switch(cmd) switch (cmd)
{ {
case RTGRAPHIC_CTRL_RECT_UPDATE: case RTGRAPHIC_CTRL_RECT_UPDATE:
break; break;
@ -186,10 +204,8 @@ int rt_hw_lcd_init(void)
lcd.device.user_data = (void *)&lcd.info; lcd.device.user_data = (void *)&lcd.info;
rt1050_lcd_init(&lcd.device);
ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR); ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR);
return ret; return ret;
} }
//INIT_DEVICE_EXPORT(rt_hw_lcd_init); INIT_DEVICE_EXPORT(rt_hw_lcd_init);