diff --git a/bsp/imxrt1052-evk/drivers/drv_lcd.c b/bsp/imxrt1052-evk/drivers/drv_lcd.c index 40f13ba21b..911b8d0786 100644 --- a/bsp/imxrt1052-evk/drivers/drv_lcd.c +++ b/bsp/imxrt1052-evk/drivers/drv_lcd.c @@ -12,159 +12,177 @@ * 2017-10-30 Tanek the first version * 2018-04-05 Liu2guang export LCD config parameters. */ - -#include "drv_lcd.h" + +#include "drv_lcd.h" #include "fsl_common.h" -#include "fsl_iomuxc.h" +#include "fsl_iomuxc.h" #include "fsl_elcdif.h" -#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT) -#error "Please config lcd pixel parameters." +#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT) + #error "Please config lcd pixel parameters." #endif #if !defined(LCD_HFP) || !defined(LCD_HBP) || !defined(LCD_HSW) || \ !defined(LCD_VFP) || !defined(LCD_VBP) || !defined(LCD_VSW) -#error "Please config lcd timing parameters." + #error "Please config lcd timing parameters." #endif -#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN) -#error "Please config lcd backlight or reset pin." +#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN) + #error "Please config lcd backlight or reset pin." #endif struct rt1050_lcd { - struct rt_device device; - struct rt_device_graphic_info info; -}; + struct rt_device device; + struct rt_device_graphic_info info; +}; -static struct rt1050_lcd lcd; -ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable"); +static struct rt1050_lcd lcd; +ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable"); static rt_err_t rt1050_lcd_init(rt_device_t device) { - RT_ASSERT(device != RT_NULL); - - rt_memset(frame_buffer, 0x00, sizeof(frame_buffer)); - - + RT_ASSERT(device != RT_NULL); + + rt_memset(frame_buffer, 0x00, sizeof(frame_buffer)); + /* DeInit Video PLL. */ CLOCK_DeinitVideoPll(); - /* Bypass Video PLL. */ - CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK; - /* Set divider for Video PLL. */ - CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0); - /* Enable Video PLL output. */ - CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK; - - /* GPIO */ - CLOCK_EnableClock(kCLOCK_Iomuxc); - - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_04_LCD_DATA00, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_05_LCD_DATA01, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_06_LCD_DATA02, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_07_LCD_DATA03, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_08_LCD_DATA04, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */ - - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_09_LCD_DATA05, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_10_LCD_DATA06, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_11_LCD_DATA07, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_12_LCD_DATA08, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_13_LCD_DATA09, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_14_LCD_DATA10, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */ - - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_15_LCD_DATA11, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B1_00_LCD_DATA12, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B1_01_LCD_DATA13, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B1_02_LCD_DATA14, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B1_03_LCD_DATA15, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */ - - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_00_LCD_CLK, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */ - IOMUXC_SetPinMux (IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U); - IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */ - - rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */ - rt_pin_write(LCD_RST_PIN, PIN_LOW); - rt_thread_delay(RT_TICK_PER_SECOND/100); - rt_pin_write(LCD_RST_PIN, PIN_HIGH); - - rt_pin_mode (LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */ - rt_pin_write(LCD_BL_PIN, PIN_HIGH); - - /* LCD */ - elcdif_rgb_mode_config_t lcd_config; - - lcd_config.hfp = LCD_HFP; - lcd_config.vfp = LCD_VFP; - lcd_config.hbp = LCD_HBP; - lcd_config.vbp = LCD_VBP; - lcd_config.hsw = LCD_HSW; - lcd_config.vsw = LCD_VSW; - - lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh | - kELCDIF_VsyncActiveHigh | - kELCDIF_HsyncActiveLow | + + /* + * 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 = 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 */ + CLOCK_EnableClock(kCLOCK_Iomuxc); + + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_04_LCD_DATA00, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_05_LCD_DATA01, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_06_LCD_DATA02, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_07_LCD_DATA03, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_08_LCD_DATA04, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */ + + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_09_LCD_DATA05, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_10_LCD_DATA06, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_11_LCD_DATA07, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_12_LCD_DATA08, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_13_LCD_DATA09, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_14_LCD_DATA10, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */ + + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_15_LCD_DATA11, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B1_00_LCD_DATA12, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B1_01_LCD_DATA13, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B1_02_LCD_DATA14, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B1_03_LCD_DATA15, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */ + + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_00_LCD_CLK, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK, 0x01B0B0u); /* LCD_CLK */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC, 0x01B0B0u); /* LCD_HSYNC */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC, 0x01B0B0u); /* LCD_VSYNC */ + IOMUXC_SetPinMux(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U); + IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */ + + rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */ + rt_pin_write(LCD_RST_PIN, PIN_LOW); + rt_thread_delay(RT_TICK_PER_SECOND / 100); + rt_pin_write(LCD_RST_PIN, PIN_HIGH); + + rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT); /* LCD_BL */ + rt_pin_write(LCD_BL_PIN, PIN_HIGH); + + /* LCD */ + elcdif_rgb_mode_config_t lcd_config; + + lcd_config.hfp = LCD_HFP; + lcd_config.vfp = LCD_VFP; + lcd_config.hbp = LCD_HBP; + lcd_config.vbp = LCD_VBP; + lcd_config.hsw = LCD_HSW; + lcd_config.vsw = LCD_VSW; + + lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh | + kELCDIF_VsyncActiveHigh | + kELCDIF_HsyncActiveLow | kELCDIF_DriveDataOnRisingClkEdge; - - lcd_config.panelWidth = LCD_WIDTH; - lcd_config.panelHeight = LCD_HEIGHT; - lcd_config.pixelFormat = kELCDIF_PixelFormatRGB565; - lcd_config.dataBus = kELCDIF_DataBus16Bit; - lcd_config.bufferAddr = (uint32_t)frame_buffer; - - ELCDIF_RgbModeInit (LCDIF, &lcd_config); - ELCDIF_RgbModeStart(LCDIF); - + + lcd_config.panelWidth = LCD_WIDTH; + lcd_config.panelHeight = LCD_HEIGHT; + lcd_config.pixelFormat = kELCDIF_PixelFormatRGB565; + lcd_config.dataBus = kELCDIF_DataBus16Bit; + lcd_config.bufferAddr = (uint32_t)frame_buffer; + + ELCDIF_RgbModeInit(LCDIF, &lcd_config); + ELCDIF_RgbModeStart(LCDIF); + /* LCD DEVICE */ lcd.info.width = LCD_WIDTH; lcd.info.height = LCD_HEIGHT; lcd.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565; - lcd.info.bits_per_pixel = 16; + lcd.info.bits_per_pixel = 16; lcd.info.framebuffer = (void *)frame_buffer; - return RT_EOK; + return RT_EOK; } 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; - - case RTGRAPHIC_CTRL_POWERON: - rt_pin_write(LCD_BL_PIN, PIN_HIGH); + + case RTGRAPHIC_CTRL_POWERON: + rt_pin_write(LCD_BL_PIN, PIN_HIGH); break; - - case RTGRAPHIC_CTRL_POWEROFF: - rt_pin_write(LCD_BL_PIN, PIN_LOW); + + case RTGRAPHIC_CTRL_POWEROFF: + rt_pin_write(LCD_BL_PIN, PIN_LOW); break; - + case RTGRAPHIC_CTRL_GET_INFO: - rt_memcpy(args, &lcd.info, sizeof(lcd.info)); + 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);