From e58bc98ff0f244a1cc04613bb842619c29c29f05 Mon Sep 17 00:00:00 2001 From: xuzhuoyi Date: Thu, 13 Sep 2018 18:44:51 +0800 Subject: [PATCH] [bsp][stm32f429-disco] Add LCD support --- bsp/stm32f429-disco/drivers/drv_lcd.c | 945 ++++++++++++++++++ bsp/stm32f429-disco/drivers/drv_lcd.h | 154 +++ .../drivers/stm32f4xx_hal_conf.h | 4 +- 3 files changed, 1101 insertions(+), 2 deletions(-) create mode 100644 bsp/stm32f429-disco/drivers/drv_lcd.c create mode 100644 bsp/stm32f429-disco/drivers/drv_lcd.h diff --git a/bsp/stm32f429-disco/drivers/drv_lcd.c b/bsp/stm32f429-disco/drivers/drv_lcd.c new file mode 100644 index 0000000000..99522871f9 --- /dev/null +++ b/bsp/stm32f429-disco/drivers/drv_lcd.c @@ -0,0 +1,945 @@ +/* + * File : drv_lcd.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2009 RT-Thread Develop 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 + * 2018-09-13 xuzhuoyi first implementation + */ + +#include "drv_lcd.h" +#include + +//#define DEBUG + +#ifdef DEBUG +#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__) +#else +#define DEBUG_PRINTF(...) +#endif + +typedef struct +{ + rt_uint16_t width; //LCD 宽度 + rt_uint16_t height; //LCD 高度 + rt_uint16_t id; //LCD ID + rt_uint8_t dir; //横屏还是竖屏控制：0，竖屏；1，横屏。 + rt_uint16_t wramcmd; //开始写gram指令 + rt_uint16_t setxcmd; //设置x坐标指令 + rt_uint16_t setycmd; //设置y坐标指令 +} lcd_info_t; + +typedef struct +{ + volatile rt_uint16_t reg; + volatile rt_uint16_t ram; +} lcd_ili9341_t; + +//使用NOR/SRAM的 Bank1.sector1,地址位HADDR[27,26]=00 A18作为数据命令区分线 +//注意设置时STM32内部会右移一位对其! +#define LCD_ILI9341_BASE ((rt_uint32_t)(0x60000000 | 0x0007FFFE)) +#define ili9341 ((lcd_ili9341_t *) LCD_ILI9341_BASE) +////////////////////////////////////////////////////////////////////////////////// + +//扫描方向定义 +#define L2R_U2D 0 //从左到右,从上到下 +#define L2R_D2U 1 //从左到右,从下到上 +#define R2L_U2D 2 //从右到左,从上到下 +#define R2L_D2U 3 //从右到左,从下到上 +#define U2D_L2R 4 //从上到下,从左到右 +#define U2D_R2L 5 //从上到下,从右到左 +#define D2U_L2R 6 //从下到上,从左到右 +#define D2U_R2L 7 //从下到上,从右到左 +#define DFT_SCAN_DIR L2R_U2D //默认的扫描方向 + +static lcd_info_t lcddev; +LTDC_HandleTypeDef LtdcHandler; +static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; +/* Default LCD configuration with LCD Layer 1 */ +static uint32_t ActiveLayer = 0; +//LCD_DrvTypeDef *LcdDrv; +SPI_HandleTypeDef hspi5; + +void delay_us(rt_uint32_t nus) +{ + //rt_thread_delay(1); + while (nus--) { + __NOP(); + } +} + +void delay_ms(rt_uint32_t nms) +{ + //rt_thread_delay((RT_TICK_PER_SECOND * nms + 999) / 1000); + while (nms--) + { + int i; + for (i = 0; i < 10000; i++) + { + __NOP(); + } + } +} + + +/** + * @brief Selects the LCD Layer. + * @param LayerIndex: the Layer foreground or background. + */ +void BSP_LCD_SelectLayer(uint32_t LayerIndex) +{ + ActiveLayer = LayerIndex; +} + +/** + * @brief Initializes the LTDC MSP. + */ +__weak void BSP_LCD_MspInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Enable the LTDC and DMA2D Clock */ + __HAL_RCC_LTDC_CLK_ENABLE(); + __HAL_RCC_DMA2D_CLK_ENABLE(); + + /* Enable GPIOs clock */ + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); + __HAL_RCC_GPIOC_CLK_ENABLE(); + __HAL_RCC_GPIOD_CLK_ENABLE(); + __HAL_RCC_GPIOF_CLK_ENABLE(); + __HAL_RCC_GPIOG_CLK_ENABLE(); + + /* GPIOs Configuration */ + /* + +------------------------+-----------------------+----------------------------+ + + LCD pins assignment + + +------------------------+-----------------------+----------------------------+ + | LCD_TFT R2 <-> PC.10 | LCD_TFT G2 <-> PA.06 | LCD_TFT B2 <-> PD.06 | + | LCD_TFT R3 <-> PB.00 | LCD_TFT G3 <-> PG.10 | LCD_TFT B3 <-> PG.11 | + | LCD_TFT R4 <-> PA.11 | LCD_TFT G4 <-> PB.10 | LCD_TFT B4 <-> PG.12 | + | LCD_TFT R5 <-> PA.12 | LCD_TFT G5 <-> PB.11 | LCD_TFT B5 <-> PA.03 | + | LCD_TFT R6 <-> PB.01 | LCD_TFT G6 <-> PC.07 | LCD_TFT B6 <-> PB.08 | + | LCD_TFT R7 <-> PG.06 | LCD_TFT G7 <-> PD.03 | LCD_TFT B7 <-> PB.09 | + ------------------------------------------------------------------------------- + | LCD_TFT HSYNC <-> PC.06 | LCDTFT VSYNC <-> PA.04 | + | LCD_TFT CLK <-> PG.07 | LCD_TFT DE <-> PF.10 | + ----------------------------------------------------- + */ + + /* GPIOA configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_6 | + GPIO_PIN_11 | GPIO_PIN_12; + GPIO_InitStructure.Mode = GPIO_MODE_AF_PP; + GPIO_InitStructure.Pull = GPIO_NOPULL; + GPIO_InitStructure.Speed = GPIO_SPEED_FAST; + GPIO_InitStructure.Alternate= GPIO_AF14_LTDC; + HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); + + /* GPIOB configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_8 | \ + GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11; + HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* GPIOC configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_10; + HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); + + /* GPIOD configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_3 | GPIO_PIN_6; + HAL_GPIO_Init(GPIOD, &GPIO_InitStructure); + + /* GPIOF configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_10; + HAL_GPIO_Init(GPIOF, &GPIO_InitStructure); + + /* GPIOG configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_6 | GPIO_PIN_7 | \ + GPIO_PIN_11; + HAL_GPIO_Init(GPIOG, &GPIO_InitStructure); + + /* GPIOB configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1; + GPIO_InitStructure.Alternate= GPIO_AF9_LTDC; + HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* GPIOG configuration */ + GPIO_InitStructure.Pin = GPIO_PIN_10 | GPIO_PIN_12; + HAL_GPIO_Init(GPIOG, &GPIO_InitStructure); +} + +/** + * @brief Writes a byte to device. + * @param Value: value to be written + */ +static void SPIx_Write(uint16_t Value) +{ + HAL_StatusTypeDef status = HAL_OK; + + status = HAL_SPI_Transmit(&hspi5, (uint8_t*) &Value, 1, 0x1000); + + /* Check the communication status */ + if(status != HAL_OK) + { + /* Re-Initialize the BUS */ + //SPIx_Error(); + } +} + +/** + * @brief Reads 4 bytes from device. + * @param ReadSize: Number of bytes to read (max 4 bytes) + * @retval Value read on the SPI + */ +static uint32_t SPIx_Read(uint8_t ReadSize) +{ + HAL_StatusTypeDef status = HAL_OK; + uint32_t readvalue; + + status = HAL_SPI_Receive(&hspi5, (uint8_t*) &readvalue, ReadSize, 0x1000); + + /* Check the communication status */ + if(status != HAL_OK) + { + /* Re-Initialize the BUS */ + //SPIx_Error(); + } + + return readvalue; +} + +/** + * @brief Configures the LCD_SPI interface. + */ +__weak void LCD_IO_Init(void) +{ + /* Set or Reset the control line */ + LCD_CS_LOW(); + LCD_CS_HIGH(); + + /* SPI5 parameter configuration*/ + hspi5.Instance = SPI5; + hspi5.Init.Mode = SPI_MODE_MASTER; + hspi5.Init.Direction = SPI_DIRECTION_2LINES; + hspi5.Init.DataSize = SPI_DATASIZE_8BIT; + hspi5.Init.CLKPolarity = SPI_POLARITY_LOW; + hspi5.Init.CLKPhase = SPI_PHASE_1EDGE; + hspi5.Init.NSS = SPI_NSS_SOFT; + hspi5.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; + hspi5.Init.FirstBit = SPI_FIRSTBIT_MSB; + hspi5.Init.TIMode = SPI_TIMODE_DISABLE; + hspi5.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; + hspi5.Init.CRCPolynomial = 10; + if (HAL_SPI_Init(&hspi5) != HAL_OK) + { + //_Error_Handler(__FILE__, __LINE__); + } + +} + +/** + * @brief Writes to the selected LCD register. + * @param LCD_Reg: address of the selected register. + * @retval None + */ +void ili9341_WriteReg(uint8_t LCD_Reg) +{ + /* Reset WRX to send command */ + LCD_WRX_LOW(); + + /* Reset LCD control line(/CS) and Send command */ + LCD_CS_LOW(); + SPIx_Write(LCD_Reg); + + /* Deselect: Chip Select high */ + LCD_CS_HIGH(); +} + +/** + * @brief Writes data to the selected LCD register. + * @param LCD_Reg: address of the selected register. + * @retval None + */ +void ili9341_WriteData(uint16_t RegValue) +{ + /* Set WRX to send data */ + LCD_WRX_HIGH(); + + /* Reset LCD control line(/CS) and Send data */ + LCD_CS_LOW(); + SPIx_Write(RegValue); + + /* Deselect: Chip Select high */ + LCD_CS_HIGH(); +} + +/** + * @brief Reads the selected LCD Register. + * @param RegValue: Address of the register to read + * @param ReadSize: Number of bytes to read + * @retval LCD Register Value. + */ +uint32_t ili9341_ReadData(uint16_t RegValue, uint8_t ReadSize) +{ + uint32_t readvalue = 0; + + /* Select: Chip Select low */ + LCD_CS_LOW(); + + /* Reset WRX to send command */ + LCD_WRX_LOW(); + + SPIx_Write(RegValue); + + readvalue = SPIx_Read(ReadSize); + + /* Set WRX to send data */ + LCD_WRX_HIGH(); + + /* Deselect: Chip Select high */ + LCD_CS_HIGH(); + + return readvalue; +} + +/** + * @brief Enables the Display. + */ +void BSP_LCD_DisplayOn(void) +{ + /* Display On */ + ili9341_WriteReg(LCD_DISPLAY_ON); +} + +/** + * @brief Disables the Display. + */ +void BSP_LCD_DisplayOff(void) +{ + /* Display Off */ + ili9341_WriteReg(LCD_DISPLAY_OFF); +} + +void ili9341_Init(void) +{ + /* Initialize ILI9341 low level bus layer ----------------------------------*/ + LCD_IO_Init(); + + /* Configure LCD */ + ili9341_WriteReg(0xCA); + ili9341_WriteData(0xC3); + ili9341_WriteData(0x08); + ili9341_WriteData(0x50); + ili9341_WriteReg(LCD_POWERB); + ili9341_WriteData(0x00); + ili9341_WriteData(0xC1); + ili9341_WriteData(0x30); + ili9341_WriteReg(LCD_POWER_SEQ); + ili9341_WriteData(0x64); + ili9341_WriteData(0x03); + ili9341_WriteData(0x12); + ili9341_WriteData(0x81); + ili9341_WriteReg(LCD_DTCA); + ili9341_WriteData(0x85); + ili9341_WriteData(0x00); + ili9341_WriteData(0x78); + ili9341_WriteReg(LCD_POWERA); + ili9341_WriteData(0x39); + ili9341_WriteData(0x2C); + ili9341_WriteData(0x00); + ili9341_WriteData(0x34); + ili9341_WriteData(0x02); + ili9341_WriteReg(LCD_PRC); + ili9341_WriteData(0x20); + ili9341_WriteReg(LCD_DTCB); + ili9341_WriteData(0x00); + ili9341_WriteData(0x00); + ili9341_WriteReg(LCD_FRMCTR1); + ili9341_WriteData(0x00); + ili9341_WriteData(0x1B); + ili9341_WriteReg(LCD_DFC); + ili9341_WriteData(0x0A); + ili9341_WriteData(0xA2); + ili9341_WriteReg(LCD_POWER1); + ili9341_WriteData(0x10); + ili9341_WriteReg(LCD_POWER2); + ili9341_WriteData(0x10); + ili9341_WriteReg(LCD_VCOM1); + ili9341_WriteData(0x45); + ili9341_WriteData(0x15); + ili9341_WriteReg(LCD_VCOM2); + ili9341_WriteData(0x90); + ili9341_WriteReg(LCD_MAC); + ili9341_WriteData(0xC8); + ili9341_WriteReg(LCD_3GAMMA_EN); + ili9341_WriteData(0x00); + ili9341_WriteReg(LCD_RGB_INTERFACE); + ili9341_WriteData(0xC2); + ili9341_WriteReg(LCD_DFC); + ili9341_WriteData(0x0A); + ili9341_WriteData(0xA7); + ili9341_WriteData(0x27); + ili9341_WriteData(0x04); + + /* Colomn address set */ + ili9341_WriteReg(LCD_COLUMN_ADDR); + ili9341_WriteData(0x00); + ili9341_WriteData(0x00); + ili9341_WriteData(0x00); + ili9341_WriteData(0xEF); + /* Page address set */ + ili9341_WriteReg(LCD_PAGE_ADDR); + ili9341_WriteData(0x00); + ili9341_WriteData(0x00); + ili9341_WriteData(0x01); + ili9341_WriteData(0x3F); + ili9341_WriteReg(LCD_INTERFACE); + ili9341_WriteData(0x01); + ili9341_WriteData(0x00); + ili9341_WriteData(0x06); + + ili9341_WriteReg(LCD_GRAM); + delay_ms(200); + + ili9341_WriteReg(LCD_GAMMA); + ili9341_WriteData(0x01); + + ili9341_WriteReg(LCD_PGAMMA); + ili9341_WriteData(0x0F); + ili9341_WriteData(0x29); + ili9341_WriteData(0x24); + ili9341_WriteData(0x0C); + ili9341_WriteData(0x0E); + ili9341_WriteData(0x09); + ili9341_WriteData(0x4E); + ili9341_WriteData(0x78); + ili9341_WriteData(0x3C); + ili9341_WriteData(0x09); + ili9341_WriteData(0x13); + ili9341_WriteData(0x05); + ili9341_WriteData(0x17); + ili9341_WriteData(0x11); + ili9341_WriteData(0x00); + ili9341_WriteReg(LCD_NGAMMA); + ili9341_WriteData(0x00); + ili9341_WriteData(0x16); + ili9341_WriteData(0x1B); + ili9341_WriteData(0x04); + ili9341_WriteData(0x11); + ili9341_WriteData(0x07); + ili9341_WriteData(0x31); + ili9341_WriteData(0x33); + ili9341_WriteData(0x42); + ili9341_WriteData(0x05); + ili9341_WriteData(0x0C); + ili9341_WriteData(0x0A); + ili9341_WriteData(0x28); + ili9341_WriteData(0x2F); + ili9341_WriteData(0x0F); + + ili9341_WriteReg(LCD_SLEEP_OUT); + delay_ms(200); + ili9341_WriteReg(LCD_DISPLAY_ON); + /* GRAM start writing */ + ili9341_WriteReg(LCD_GRAM); +} + +/** + * @brief Initializes the LCD layers. + * @param LayerIndex: the layer foreground or background. + * @param FB_Address: the layer frame buffer. + */ +void BSP_LCD_LayerDefaultInit(uint16_t LayerIndex, uint32_t FB_Address) +{ + LTDC_LayerCfgTypeDef Layercfg; + + /* Layer Init */ + Layercfg.WindowX0 = 0; + Layercfg.WindowX1 = 240; + Layercfg.WindowY0 = 0; + Layercfg.WindowY1 = 320; + Layercfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565; + Layercfg.FBStartAdress = FB_Address; + Layercfg.Alpha = 255; + Layercfg.Alpha0 = 0; + Layercfg.Backcolor.Blue = 0; + Layercfg.Backcolor.Green = 0; + Layercfg.Backcolor.Red = 0; + Layercfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA; + Layercfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA; + Layercfg.ImageWidth = 240; + Layercfg.ImageHeight = 320; + + HAL_LTDC_ConfigLayer(&LtdcHandler, &Layercfg, LayerIndex); + + //DrawProp[LayerIndex].BackColor = LCD_COLOR_WHITE; + //DrawProp[LayerIndex].pFont = &Font24; + //DrawProp[LayerIndex].TextColor = LCD_COLOR_BLACK; + + /* Dithering activation */ + HAL_LTDC_EnableDither(&LtdcHandler); +} + +uint8_t BSP_LCD_Init(void) +{ + /* On STM32F429I-DISCO, it is not possible to read ILI9341 ID because */ + /* PIN EXTC is not connected to VDD and then LCD_READ_ID4 is not accessible. */ + /* In this case, ReadID function is bypassed.*/ + /*if(ili9341_drv.ReadID() == ILI9341_ID)*/ + + /* LTDC Configuration ----------------------------------------------------*/ + LtdcHandler.Instance = LTDC; + + /* Timing configuration (Typical configuration from ILI9341 datasheet) + HSYNC=10 (9+1) + HBP=20 (29-10+1) + ActiveW=240 (269-20-10+1) + HFP=10 (279-240-20-10+1) + + VSYNC=2 (1+1) + VBP=2 (3-2+1) + ActiveH=320 (323-2-2+1) + VFP=4 (327-320-2-2+1) + */ + + /* Configure horizontal synchronization width */ + LtdcHandler.Init.HorizontalSync = ILI9341_HSYNC; + /* Configure vertical synchronization height */ + LtdcHandler.Init.VerticalSync = ILI9341_VSYNC; + /* Configure accumulated horizontal back porch */ + LtdcHandler.Init.AccumulatedHBP = ILI9341_HBP; + /* Configure accumulated vertical back porch */ + LtdcHandler.Init.AccumulatedVBP = ILI9341_VBP; + /* Configure accumulated active width */ + LtdcHandler.Init.AccumulatedActiveW = 269; + /* Configure accumulated active height */ + LtdcHandler.Init.AccumulatedActiveH = 323; + /* Configure total width */ + LtdcHandler.Init.TotalWidth = 279; + /* Configure total height */ + LtdcHandler.Init.TotalHeigh = 327; + + /* Configure R,G,B component values for LCD background color */ + LtdcHandler.Init.Backcolor.Red= 0; + LtdcHandler.Init.Backcolor.Blue= 0; + LtdcHandler.Init.Backcolor.Green= 0; + + /* LCD clock configuration */ + /* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */ + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 192 Mhz */ + /* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 192/4 = 48 Mhz */ + /* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_8 = 48/4 = 6Mhz */ + PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; + PeriphClkInitStruct.PLLSAI.PLLSAIN = 192; + PeriphClkInitStruct.PLLSAI.PLLSAIR = 4; + PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_8; + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); + + /* Polarity */ + LtdcHandler.Init.HSPolarity = LTDC_HSPOLARITY_AL; + LtdcHandler.Init.VSPolarity = LTDC_VSPOLARITY_AL; + LtdcHandler.Init.DEPolarity = LTDC_DEPOLARITY_AL; + LtdcHandler.Init.PCPolarity = LTDC_PCPOLARITY_IPC; + + BSP_LCD_MspInit(); + HAL_LTDC_Init(&LtdcHandler); + + /* Select the device */ + //LcdDrv = &ili9341_drv; + + /* LCD Init */ + ili9341_Init(); + + /* Initialize the SDRAM */ + //BSP_SDRAM_Init(); + + /* Initialize the font */ + //BSP_LCD_SetFont(&LCD_DEFAULT_FONT); + + return 0; +} + +void BSP_LCD_DrawPixel(uint16_t Xpos, uint16_t Ypos, uint32_t RGB_Code) +{ + /* Write data value to all SDRAM memory */ + *(__IO uint32_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*240 + Xpos))) = RGB_Code; +} + +void BSP_LCD_DrawLine(uint32_t pixel, uint16_t X1, uint16_t Y1, uint16_t X2, uint16_t Y2) +{ + int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, + yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, + curpixel = 0; + + deltax = ABS(X2 - X1); /* The difference between the x's */ + deltay = ABS(Y2 - Y1); /* The difference between the y's */ + x = X1; /* Start x off at the first pixel */ + y = Y1; /* Start y off at the first pixel */ + + if (X2 >= X1) /* The x-values are increasing */ + { + xinc1 = 1; + xinc2 = 1; + } + else /* The x-values are decreasing */ + { + xinc1 = -1; + xinc2 = -1; + } + + if (Y2 >= Y1) /* The y-values are increasing */ + { + yinc1 = 1; + yinc2 = 1; + } + else /* The y-values are decreasing */ + { + yinc1 = -1; + yinc2 = -1; + } + + if (deltax >= deltay) /* There is at least one x-value for every y-value */ + { + xinc1 = 0; /* Don't change the x when numerator >= denominator */ + yinc2 = 0; /* Don't change the y for every iteration */ + den = deltax; + num = deltax / 2; + numadd = deltay; + numpixels = deltax; /* There are more x-values than y-values */ + } + else /* There is at least one y-value for every x-value */ + { + xinc2 = 0; /* Don't change the x for every iteration */ + yinc1 = 0; /* Don't change the y when numerator >= denominator */ + den = deltay; + num = deltay / 2; + numadd = deltax; + numpixels = deltay; /* There are more y-values than x-values */ + } + + for (curpixel = 0; curpixel <= numpixels; curpixel++) + { + BSP_LCD_DrawPixel(x, y, pixel); /* Draw the current pixel */ + num += numadd; /* Increase the numerator by the top of the fraction */ + if (num >= den) /* Check if numerator >= denominator */ + { + num -= den; /* Calculate the new numerator value */ + x += xinc1; /* Change the x as appropriate */ + y += yinc1; /* Change the y as appropriate */ + } + x += xinc2; /* Change the x as appropriate */ + y += yinc2; /* Change the y as appropriate */ + } +} + +rt_uint16_t ili9341_bgr2rgb(rt_uint16_t value) +{ + rt_uint16_t red, green, blue; + + blue = (value >> 0) & 0x1f; + green = (value >> 5) & 0x3f; + red = (value >> 11) & 0x1f; + + return (blue << 11) + (green << 5) + (red << 0); +} + +//static void ili9341_set_scan_direction(rt_uint8_t dir) +//{ +// rt_uint16_t regval = 0; +// rt_uint16_t dirreg = 0; +// rt_uint16_t temp; + +// switch (dir) +// { +// case L2R_U2D://从左到右,从上到下 +// regval |= (0 << 7) | (0 << 6) | (0 << 5); +// break; +// case L2R_D2U://从左到右,从下到上 +// regval |= (1 << 7) | (0 << 6) | (0 << 5); +// break; +// case R2L_U2D://从右到左,从上到下 +// regval |= (0 << 7) | (1 << 6) | (0 << 5); +// break; +// case R2L_D2U://从右到左,从下到上 +// regval |= (1 << 7) | (1 << 6) | (0 << 5); +// break; +// case U2D_L2R://从上到下,从左到右 +// regval |= (0 << 7) | (0 << 6) | (1 << 5); +// break; +// case U2D_R2L://从上到下,从右到左 +// regval |= (0 << 7) | (1 << 6) | (1 << 5); +// break; +// case D2U_L2R://从下到上,从左到右 +// regval |= (1 << 7) | (0 << 6) | (1 << 5); +// break; +// case D2U_R2L://从下到上,从右到左 +// regval |= (1 << 7) | (1 << 6) | (1 << 5); +// break; +// } + +// dirreg = 0X36; +// ili9341_write_reg_with_value(dirreg, regval); + +// if (regval & 0X20) +// { +// if (lcddev.width < lcddev.height)//交换X,Y +// { +// temp = lcddev.width; +// lcddev.width = lcddev.height; +// lcddev.height = temp; +// } +// } +// else +// { +// if (lcddev.width > lcddev.height)//交换X,Y +// { +// temp = lcddev.width; +// lcddev.width = lcddev.height; +// lcddev.height = temp; +// } +// } +// +// ili9341_write_reg(lcddev.setxcmd); +// ili9341_write_data(0); +// ili9341_write_data(0); +// ili9341_write_data((lcddev.width - 1) >> 8); +// ili9341_write_data((lcddev.width - 1) & 0XFF); + +// ili9341_write_reg(lcddev.setycmd); +// ili9341_write_data(0); +// ili9341_write_data(0); +// ili9341_write_data((lcddev.height - 1) >> 8); +// ili9341_write_data((lcddev.height - 1) & 0XFF); +//} + +//void ili9341_set_backlight(rt_uint8_t pwm) +//{ +// ili9341_write_reg(0xBE); +// ili9341_write_data(0x05); +// ili9341_write_data(pwm*2.55); +// ili9341_write_data(0x01); +// ili9341_write_data(0xFF); +// ili9341_write_data(0x00); +// ili9341_write_data(0x00); +//} + +//void ili9341_set_display_direction(rt_uint8_t dir) +//{ +// lcddev.dir = dir; +// if (dir == 0) +// { +// lcddev.width = 240; +// lcddev.height = 320; +// } +// else +// { +// lcddev.width = 320; +// lcddev.height = 240; +// } + +// lcddev.wramcmd = 0X2C; +// lcddev.setxcmd = 0X2A; +// lcddev.setycmd = 0X2B; + +// ili9341_set_scan_direction(DFT_SCAN_DIR); +//} + + +void _lcd_low_level_init(void) +{ + BSP_LCD_Init(); + BSP_LCD_LayerDefaultInit(0,0xD0000000); + BSP_LCD_SelectLayer(0); + BSP_LCD_DisplayOn(); + lcddev.width = 240; + lcddev.height = 320; + //ili9341_set_display_direction(0); + //HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_SET); +} + + +static rt_err_t lcd_init(rt_device_t dev) +{ + return RT_EOK; +} + +static rt_err_t lcd_open(rt_device_t dev, rt_uint16_t oflag) +{ + return RT_EOK; +} + +static rt_err_t lcd_close(rt_device_t dev) +{ + return RT_EOK; +} + +static rt_err_t lcd_control(rt_device_t dev, int cmd, void *args) +{ + switch (cmd) + { + case RTGRAPHIC_CTRL_GET_INFO: + { + struct rt_device_graphic_info *info; + + info = (struct rt_device_graphic_info*) args; + RT_ASSERT(info != RT_NULL); + + info->bits_per_pixel = 16; + info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565; + info->framebuffer = RT_NULL; + info->width = 240; + info->height = 320; + } + break; + + case RTGRAPHIC_CTRL_RECT_UPDATE: + /* nothong to be done */ + break; + + default: + break; + } + + return RT_EOK; +} + +static void ili9341_lcd_set_pixel(const char* pixel, int x, int y) +{ + *(__IO uint32_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (4*(y * 240 + x))) = *(uint16_t *)pixel; +} +#ifdef RT_USING_FINSH +static void lcd_set_pixel(uint16_t color, int x, int y) +{ + rt_kprintf("lcd set pixel, color: %X, x: %d, y: %d", color, x, y); + ili9341_lcd_set_pixel((const char *)&color, x, y); +} +FINSH_FUNCTION_EXPORT(lcd_set_pixel, set pixel in lcd display); +#endif + +static void ili9341_lcd_get_pixel(char* pixel, int x, int y) +{ + uint32_t ret = 0; + + if(LtdcHandler.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB8888) + { + /* Read data value from SDRAM memory */ + ret = *(__IO uint32_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (4*(y * 240 + x))); + } + else if(LtdcHandler.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB888) + { + /* Read data value from SDRAM memory */ + ret = (*(__IO uint32_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (4*(y*240 + x))) & 0x00FFFFFF); + } + else if((LtdcHandler.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB565) || \ + (LtdcHandler.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB4444) || \ + (LtdcHandler.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_AL88)) + { + /* Read data value from SDRAM memory */ + ret = *(__IO uint16_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (2*(y*240 + x))); + } + else + { + /* Read data value from SDRAM memory */ + ret = *(__IO uint8_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (2*(y*240 + x))); + } + + *pixel = ret; +} +#ifdef RT_USING_FINSH +static void lcd_get_pixel(int x, int y) +{ + uint16_t pixel; + ili9341_lcd_get_pixel((char *)&pixel, x, y); + rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d", pixel, x, y); +} +FINSH_FUNCTION_EXPORT(lcd_get_pixel, get pixel in lcd display); +#endif + +static void ili9341_lcd_draw_hline(const char* pixel, int x1, int x2, int y) +{ + BSP_LCD_DrawLine(*pixel, x1, y, x2, y); +} +#ifdef RT_USING_FINSH +static void lcd_draw_hline(uint16_t pixel, int x1, int x2, int y) +{ + ili9341_lcd_draw_hline((const char *)&pixel, x1, x2, y); + rt_kprintf("lcd draw hline, pixel: 0x%X, x1: %d, x2: %d, y: %d", pixel, x1, x2, y); +} +FINSH_FUNCTION_EXPORT(lcd_draw_hline, draw hline in lcd display); +#endif + +static void ili9341_lcd_draw_vline(const char* pixel, int x, int y1, int y2) +{ + BSP_LCD_DrawLine(*pixel, x, y1, x, y2); +} +#ifdef RT_USING_FINSH +static void lcd_draw_vline(uint16_t pixel, int x, int y1, int y2) +{ + ili9341_lcd_draw_vline((const char *)&pixel, x, y1, y2); + rt_kprintf("lcd draw hline, pixel: 0x%X, x: %d, y: %d", pixel, y1, y2); +} +FINSH_FUNCTION_EXPORT(lcd_draw_vline, draw vline in lcd display); +#endif + +static void ili9341_lcd_blit_line(const char* pixels, int x, int y, rt_size_t size) +{ + int i = 0; + while(size--) + *(__IO uint32_t*) (LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress + (4*(y*240 + x + i++))) = *(uint16_t *)pixels++; +} +#ifdef RT_USING_FINSH +#define LINE_LEN 30 +static void lcd_blit_line(int x, int y) +{ + uint16_t pixels[LINE_LEN]; + int i; + + for (i = 0; i < LINE_LEN; i++) + { + pixels[i] = i * 40 + 50; + } + + ili9341_lcd_blit_line((const char *)pixels, x, y, LINE_LEN); + rt_kprintf("lcd blit line, x: %d, y: %d", x, y); +} +FINSH_FUNCTION_EXPORT(lcd_blit_line, draw blit line in lcd display); +#endif + +static int rt_hw_lcd_init(void) +{ + _lcd_low_level_init(); + + static struct rt_device lcd_device; + + static struct rt_device_graphic_ops ili9341_ops = + { + ili9341_lcd_set_pixel, + ili9341_lcd_get_pixel, + ili9341_lcd_draw_hline, + ili9341_lcd_draw_vline, + ili9341_lcd_blit_line + }; + + /* register lcd device */ + lcd_device.type = RT_Device_Class_Graphic; + lcd_device.init = lcd_init; + lcd_device.open = lcd_open; + lcd_device.close = lcd_close; + lcd_device.control = lcd_control; + lcd_device.read = RT_NULL; + lcd_device.write = RT_NULL; + + lcd_device.user_data = &ili9341_ops; + + /* register graphic device driver */ + rt_device_register(&lcd_device, "lcd", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE); + + return 0; +} +INIT_BOARD_EXPORT(rt_hw_lcd_init); diff --git a/bsp/stm32f429-disco/drivers/drv_lcd.h b/bsp/stm32f429-disco/drivers/drv_lcd.h new file mode 100644 index 0000000000..abb83e7e4f --- /dev/null +++ b/bsp/stm32f429-disco/drivers/drv_lcd.h @@ -0,0 +1,154 @@ +#ifndef __DRV_LCD_H__ +#define __DRV_LCD_H__ + +#include +#include "stm32f4xx_hal.h" + +#define ILI9341_HSYNC ((uint32_t)9) /* Horizontal synchronization */ +#define ILI9341_HBP ((uint32_t)29) /* Horizontal back porch */ +#define ILI9341_HFP ((uint32_t)2) /* Horizontal front porch */ +#define ILI9341_VSYNC ((uint32_t)1) /* Vertical synchronization */ +#define ILI9341_VBP ((uint32_t)3) /* Vertical back porch */ +#define ILI9341_VFP ((uint32_t)2) /* Vertical front porch */ + + +/** + * @brief ILI9341 Registers + */ + +/* Level 1 Commands */ +#define LCD_SWRESET 0x01 /* Software Reset */ +#define LCD_READ_DISPLAY_ID 0x04 /* Read display identification information */ +#define LCD_RDDST 0x09 /* Read Display Status */ +#define LCD_RDDPM 0x0A /* Read Display Power Mode */ +#define LCD_RDDMADCTL 0x0B /* Read Display MADCTL */ +#define LCD_RDDCOLMOD 0x0C /* Read Display Pixel Format */ +#define LCD_RDDIM 0x0D /* Read Display Image Format */ +#define LCD_RDDSM 0x0E /* Read Display Signal Mode */ +#define LCD_RDDSDR 0x0F /* Read Display Self-Diagnostic Result */ +#define LCD_SPLIN 0x10 /* Enter Sleep Mode */ +#define LCD_SLEEP_OUT 0x11 /* Sleep out register */ +#define LCD_PTLON 0x12 /* Partial Mode ON */ +#define LCD_NORMAL_MODE_ON 0x13 /* Normal Display Mode ON */ +#define LCD_DINVOFF 0x20 /* Display Inversion OFF */ +#define LCD_DINVON 0x21 /* Display Inversion ON */ +#define LCD_GAMMA 0x26 /* Gamma register */ +#define LCD_DISPLAY_OFF 0x28 /* Display off register */ +#define LCD_DISPLAY_ON 0x29 /* Display on register */ +#define LCD_COLUMN_ADDR 0x2A /* Colomn address register */ +#define LCD_PAGE_ADDR 0x2B /* Page address register */ +#define LCD_GRAM 0x2C /* GRAM register */ +#define LCD_RGBSET 0x2D /* Color SET */ +#define LCD_RAMRD 0x2E /* Memory Read */ +#define LCD_PLTAR 0x30 /* Partial Area */ +#define LCD_VSCRDEF 0x33 /* Vertical Scrolling Definition */ +#define LCD_TEOFF 0x34 /* Tearing Effect Line OFF */ +#define LCD_TEON 0x35 /* Tearing Effect Line ON */ +#define LCD_MAC 0x36 /* Memory Access Control register*/ +#define LCD_VSCRSADD 0x37 /* Vertical Scrolling Start Address */ +#define LCD_IDMOFF 0x38 /* Idle Mode OFF */ +#define LCD_IDMON 0x39 /* Idle Mode ON */ +#define LCD_PIXEL_FORMAT 0x3A /* Pixel Format register */ +#define LCD_WRITE_MEM_CONTINUE 0x3C /* Write Memory Continue */ +#define LCD_READ_MEM_CONTINUE 0x3E /* Read Memory Continue */ +#define LCD_SET_TEAR_SCANLINE 0x44 /* Set Tear Scanline */ +#define LCD_GET_SCANLINE 0x45 /* Get Scanline */ +#define LCD_WDB 0x51 /* Write Brightness Display register */ +#define LCD_RDDISBV 0x52 /* Read Display Brightness */ +#define LCD_WCD 0x53 /* Write Control Display register*/ +#define LCD_RDCTRLD 0x54 /* Read CTRL Display */ +#define LCD_WRCABC 0x55 /* Write Content Adaptive Brightness Control */ +#define LCD_RDCABC 0x56 /* Read Content Adaptive Brightness Control */ +#define LCD_WRITE_CABC 0x5E /* Write CABC Minimum Brightness */ +#define LCD_READ_CABC 0x5F /* Read CABC Minimum Brightness */ +#define LCD_READ_ID1 0xDA /* Read ID1 */ +#define LCD_READ_ID2 0xDB /* Read ID2 */ +#define LCD_READ_ID3 0xDC /* Read ID3 */ + +/* Level 2 Commands */ +#define LCD_RGB_INTERFACE 0xB0 /* RGB Interface Signal Control */ +#define LCD_FRMCTR1 0xB1 /* Frame Rate Control (In Normal Mode) */ +#define LCD_FRMCTR2 0xB2 /* Frame Rate Control (In Idle Mode) */ +#define LCD_FRMCTR3 0xB3 /* Frame Rate Control (In Partial Mode) */ +#define LCD_INVTR 0xB4 /* Display Inversion Control */ +#define LCD_BPC 0xB5 /* Blanking Porch Control register */ +#define LCD_DFC 0xB6 /* Display Function Control register */ +#define LCD_ETMOD 0xB7 /* Entry Mode Set */ +#define LCD_BACKLIGHT1 0xB8 /* Backlight Control 1 */ +#define LCD_BACKLIGHT2 0xB9 /* Backlight Control 2 */ +#define LCD_BACKLIGHT3 0xBA /* Backlight Control 3 */ +#define LCD_BACKLIGHT4 0xBB /* Backlight Control 4 */ +#define LCD_BACKLIGHT5 0xBC /* Backlight Control 5 */ +#define LCD_BACKLIGHT7 0xBE /* Backlight Control 7 */ +#define LCD_BACKLIGHT8 0xBF /* Backlight Control 8 */ +#define LCD_POWER1 0xC0 /* Power Control 1 register */ +#define LCD_POWER2 0xC1 /* Power Control 2 register */ +#define LCD_VCOM1 0xC5 /* VCOM Control 1 register */ +#define LCD_VCOM2 0xC7 /* VCOM Control 2 register */ +#define LCD_NVMWR 0xD0 /* NV Memory Write */ +#define LCD_NVMPKEY 0xD1 /* NV Memory Protection Key */ +#define LCD_RDNVM 0xD2 /* NV Memory Status Read */ +#define LCD_READ_ID4 0xD3 /* Read ID4 */ +#define LCD_PGAMMA 0xE0 /* Positive Gamma Correction register */ +#define LCD_NGAMMA 0xE1 /* Negative Gamma Correction register */ +#define LCD_DGAMCTRL1 0xE2 /* Digital Gamma Control 1 */ +#define LCD_DGAMCTRL2 0xE3 /* Digital Gamma Control 2 */ +#define LCD_INTERFACE 0xF6 /* Interface control register */ + +/* Extend register commands */ +#define LCD_POWERA 0xCB /* Power control A register */ +#define LCD_POWERB 0xCF /* Power control B register */ +#define LCD_DTCA 0xE8 /* Driver timing control A */ +#define LCD_DTCB 0xEA /* Driver timing control B */ +#define LCD_POWER_SEQ 0xED /* Power on sequence register */ +#define LCD_3GAMMA_EN 0xF2 /* 3 Gamma enable register */ +#define LCD_PRC 0xF7 /* Pump ratio control register */ + +/* Size of read registers */ +#define LCD_READ_ID4_SIZE 3 /* Size of Read ID4 */ + +#define ABS(X) ((X) > 0 ? (X) : -(X)) + +/* Chip Select macro definition */ +#define LCD_CS_LOW() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_RESET) +#define LCD_CS_HIGH() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_SET) + +/* Set WRX High to send data */ +#define LCD_WRX_LOW() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_RESET) +#define LCD_WRX_HIGH() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_SET) + +/* Set WRX High to send data */ +#define LCD_RDX_LOW() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_RESET) +#define LCD_RDX_HIGH() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_SET) + +/** + * @brief LCD Control pin + */ +#define LCD_NCS_PIN GPIO_PIN_2 +#define LCD_NCS_GPIO_PORT GPIOC +#define LCD_NCS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE() +#define LCD_NCS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE() +/** + * @} + */ +/** + * @brief LCD Command/data pin + */ +#define LCD_WRX_PIN GPIO_PIN_13 +#define LCD_WRX_GPIO_PORT GPIOD +#define LCD_WRX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE() +#define LCD_WRX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE() + +#define LCD_RDX_PIN GPIO_PIN_12 +#define LCD_RDX_GPIO_PORT GPIOD +#define LCD_RDX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE() +#define LCD_RDX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE() + +int rt_lcd_init(void); + +#endif + + + + + diff --git a/bsp/stm32f429-disco/drivers/stm32f4xx_hal_conf.h b/bsp/stm32f429-disco/drivers/stm32f4xx_hal_conf.h index a010dda5e1..0bff765afe 100644 --- a/bsp/stm32f429-disco/drivers/stm32f4xx_hal_conf.h +++ b/bsp/stm32f429-disco/drivers/stm32f4xx_hal_conf.h @@ -68,12 +68,12 @@ /* #define HAL_I2C_MODULE_ENABLED */ /* #define HAL_I2S_MODULE_ENABLED */ /* #define HAL_IWDG_MODULE_ENABLED */ -/* #define HAL_LTDC_MODULE_ENABLED */ +#define HAL_LTDC_MODULE_ENABLED /* #define HAL_RNG_MODULE_ENABLED */ /* #define HAL_RTC_MODULE_ENABLED */ /* #define HAL_SAI_MODULE_ENABLED */ /* #define HAL_SD_MODULE_ENABLED */ -/* #define HAL_SPI_MODULE_ENABLED */ +#define HAL_SPI_MODULE_ENABLED /* #define HAL_TIM_MODULE_ENABLED */ #define HAL_UART_MODULE_ENABLED /* #define HAL_USART_MODULE_ENABLED */ -- GitLab