Merge pull request #1529 from TanekLiang/imxrt-lcd-update
[bsp][imxrt1052] update lcd driver and add lcd init code
This commit is contained in:
Bernard Xiong
GitHub
commit
35a0e8e8c9
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@ -0,0 +1,42 @@
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/*
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* File : lcd_init.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2018-06-12 Tanek first version
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*/
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#include <rtthread.h>
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#if defined(PKG_USING_GUIENGINE)
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#include <rtgui/driver.h>
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int lcd_init(void)
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{
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struct rt_device *device;
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device = rt_device_find("lcd");
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if (device)
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{
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rtgui_graphic_set_device(device);
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}
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return 0;
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}
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INIT_APP_EXPORT(lcd_init);
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#endif
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@ -12,159 +12,177 @@
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* 2017-10-30 Tanek the first version
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* 2018-04-05 Liu2guang export LCD config parameters.
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*/
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#include "drv_lcd.h"
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#include "drv_lcd.h"
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#include "fsl_common.h"
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#include "fsl_iomuxc.h"
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#include "fsl_iomuxc.h"
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#include "fsl_elcdif.h"
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#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT)
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#error "Please config lcd pixel parameters."
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#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT)
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#error "Please config lcd pixel parameters."
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#endif
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#if !defined(LCD_HFP) || !defined(LCD_HBP) || !defined(LCD_HSW) || \
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!defined(LCD_VFP) || !defined(LCD_VBP) || !defined(LCD_VSW)
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#error "Please config lcd timing parameters."
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#error "Please config lcd timing parameters."
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#endif
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#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN)
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#error "Please config lcd backlight or reset pin."
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#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN)
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#error "Please config lcd backlight or reset pin."
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#endif
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struct rt1050_lcd
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{
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struct rt_device device;
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struct rt_device_graphic_info info;
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};
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struct rt_device device;
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struct rt_device_graphic_info info;
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};
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static struct rt1050_lcd lcd;
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ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable");
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static struct rt1050_lcd lcd;
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ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable");
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static rt_err_t rt1050_lcd_init(rt_device_t device)
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{
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RT_ASSERT(device != RT_NULL);
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rt_memset(frame_buffer, 0x00, sizeof(frame_buffer));
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RT_ASSERT(device != RT_NULL);
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rt_memset(frame_buffer, 0x00, sizeof(frame_buffer));
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/* DeInit Video PLL. */
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CLOCK_DeinitVideoPll();
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/* Bypass Video PLL. */
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CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK;
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/* Set divider for Video PLL. */
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CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0);
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/* Enable Video PLL output. */
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CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK;
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/* GPIO */
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CLOCK_EnableClock(kCLOCK_Iomuxc);
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_04_LCD_DATA00, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_05_LCD_DATA01, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_06_LCD_DATA02, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_07_LCD_DATA03, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_08_LCD_DATA04, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_09_LCD_DATA05, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_10_LCD_DATA06, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_11_LCD_DATA07, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_12_LCD_DATA08, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_13_LCD_DATA09, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_14_LCD_DATA10, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_15_LCD_DATA11, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B1_00_LCD_DATA12, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B1_01_LCD_DATA13, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B1_02_LCD_DATA14, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B1_03_LCD_DATA15, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_00_LCD_CLK, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */
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IOMUXC_SetPinMux (IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */
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rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */
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rt_pin_write(LCD_RST_PIN, PIN_LOW);
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rt_thread_delay(RT_TICK_PER_SECOND/100);
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rt_pin_write(LCD_RST_PIN, PIN_HIGH);
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rt_pin_mode (LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */
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rt_pin_write(LCD_BL_PIN, PIN_HIGH);
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/* LCD */
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elcdif_rgb_mode_config_t lcd_config;
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lcd_config.hfp = LCD_HFP;
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lcd_config.vfp = LCD_VFP;
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lcd_config.hbp = LCD_HBP;
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lcd_config.vbp = LCD_VBP;
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lcd_config.hsw = LCD_HSW;
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lcd_config.vsw = LCD_VSW;
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lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh |
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kELCDIF_VsyncActiveHigh |
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kELCDIF_HsyncActiveLow |
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/*
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* Initialize the Video PLL.
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* Video PLL output clock is OSC24M * (loopDivider + (denominator / numerator)) / postDivider = 93MHz.
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*/
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clock_video_pll_config_t config =
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{
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.loopDivider = 31, .postDivider = 8, .numerator = 0, .denominator = 1,
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};
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CLOCK_InitVideoPll(&config);
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/*
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* 000 derive clock from PLL2
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* 001 derive clock from PLL3 PFD3
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* 010 derive clock from PLL5
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* 011 derive clock from PLL2 PFD0
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* 100 derive clock from PLL2 PFD1
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* 101 derive clock from PLL3 PFD1
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*/
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CLOCK_SetMux(kCLOCK_LcdifPreMux, 2);
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CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 4);
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CLOCK_SetDiv(kCLOCK_LcdifDiv, 1);
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/* GPIO */
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CLOCK_EnableClock(kCLOCK_Iomuxc);
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_04_LCD_DATA00, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_05_LCD_DATA01, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_06_LCD_DATA02, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_07_LCD_DATA03, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_08_LCD_DATA04, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_09_LCD_DATA05, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_10_LCD_DATA06, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_11_LCD_DATA07, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_12_LCD_DATA08, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_13_LCD_DATA09, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_14_LCD_DATA10, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_15_LCD_DATA11, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B1_00_LCD_DATA12, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B1_01_LCD_DATA13, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B1_02_LCD_DATA14, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B1_03_LCD_DATA15, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_00_LCD_CLK, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */
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IOMUXC_SetPinMux(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U);
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IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */
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rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */
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rt_pin_write(LCD_RST_PIN, PIN_LOW);
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rt_thread_delay(RT_TICK_PER_SECOND / 100);
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rt_pin_write(LCD_RST_PIN, PIN_HIGH);
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rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */
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rt_pin_write(LCD_BL_PIN, PIN_HIGH);
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/* LCD */
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elcdif_rgb_mode_config_t lcd_config;
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lcd_config.hfp = LCD_HFP;
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lcd_config.vfp = LCD_VFP;
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lcd_config.hbp = LCD_HBP;
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lcd_config.vbp = LCD_VBP;
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lcd_config.hsw = LCD_HSW;
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lcd_config.vsw = LCD_VSW;
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lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh |
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kELCDIF_VsyncActiveHigh |
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kELCDIF_HsyncActiveLow |
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kELCDIF_DriveDataOnRisingClkEdge;
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lcd_config.panelWidth = LCD_WIDTH;
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lcd_config.panelHeight = LCD_HEIGHT;
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lcd_config.pixelFormat = kELCDIF_PixelFormatRGB565;
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lcd_config.dataBus = kELCDIF_DataBus16Bit;
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lcd_config.bufferAddr = (uint32_t)frame_buffer;
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ELCDIF_RgbModeInit (LCDIF, &lcd_config);
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ELCDIF_RgbModeStart(LCDIF);
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lcd_config.panelWidth = LCD_WIDTH;
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lcd_config.panelHeight = LCD_HEIGHT;
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lcd_config.pixelFormat = kELCDIF_PixelFormatRGB565;
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lcd_config.dataBus = kELCDIF_DataBus16Bit;
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lcd_config.bufferAddr = (uint32_t)frame_buffer;
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ELCDIF_RgbModeInit(LCDIF, &lcd_config);
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ELCDIF_RgbModeStart(LCDIF);
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/* LCD DEVICE */
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lcd.info.width = LCD_WIDTH;
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lcd.info.height = LCD_HEIGHT;
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lcd.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
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lcd.info.bits_per_pixel = 16;
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lcd.info.bits_per_pixel = 16;
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lcd.info.framebuffer = (void *)frame_buffer;
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return RT_EOK;
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return RT_EOK;
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}
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static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args)
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{
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switch(cmd)
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switch (cmd)
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{
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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break;
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case RTGRAPHIC_CTRL_POWERON:
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rt_pin_write(LCD_BL_PIN, PIN_HIGH);
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case RTGRAPHIC_CTRL_POWERON:
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rt_pin_write(LCD_BL_PIN, PIN_HIGH);
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break;
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case RTGRAPHIC_CTRL_POWEROFF:
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rt_pin_write(LCD_BL_PIN, PIN_LOW);
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case RTGRAPHIC_CTRL_POWEROFF:
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rt_pin_write(LCD_BL_PIN, PIN_LOW);
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break;
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case RTGRAPHIC_CTRL_GET_INFO:
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rt_memcpy(args, &lcd.info, sizeof(lcd.info));
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||||
rt_memcpy(args, &lcd.info, sizeof(lcd.info));
|
||||
break;
|
||||
|
||||
|
||||
case RTGRAPHIC_CTRL_SET_MODE:
|
||||
break;
|
||||
}
|
||||
|
|
@ -174,22 +192,20 @@ static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args)
|
|||
|
||||
int rt_hw_lcd_init(void)
|
||||
{
|
||||
rt_err_t ret;
|
||||
rt_err_t ret;
|
||||
|
||||
lcd.device.type = RT_Device_Class_Graphic;
|
||||
lcd.device.init = rt1050_lcd_init;
|
||||
lcd.device.type = RT_Device_Class_Graphic;
|
||||
lcd.device.init = rt1050_lcd_init;
|
||||
lcd.device.open = RT_NULL;
|
||||
lcd.device.close = RT_NULL;
|
||||
lcd.device.read = RT_NULL;
|
||||
lcd.device.write = RT_NULL;
|
||||
lcd.device.control = rt1050_lcd_control;
|
||||
|
||||
lcd.device.user_data = (void *)&lcd.info;
|
||||
|
||||
rt1050_lcd_init(&lcd.device);
|
||||
|
||||
ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR);
|
||||
|
||||
return ret;
|
||||
lcd.device.control = rt1050_lcd_control;
|
||||
|
||||
lcd.device.user_data = (void *)&lcd.info;
|
||||
|
||||
ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR);
|
||||
|
||||
return ret;
|
||||
}
|
||||
//INIT_DEVICE_EXPORT(rt_hw_lcd_init);
|
||||
INIT_DEVICE_EXPORT(rt_hw_lcd_init);
|
||||
|
|
|
|||
Loading…
Reference in New Issue