Diff: Components/hx8347g/hx8347g.c

Revision:

0:ad9dfc0179dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Components/hx8347g/hx8347g.c	Mon Nov 02 19:38:36 2015 +0000
@@ -0,0 +1,482 @@
+/**
+  ******************************************************************************
+  * @file    hx8347g.c
+  * @author  MCD Application Team
+  * @version V1.1.0
+  * @date    10-February-2015
+  * @brief   This file includes the LCD driver for HX8347G LCD.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "hx8347g.h"
+
+/** @addtogroup BSP
+  * @{
+  */ 
+
+/** @addtogroup Components
+  * @{
+  */ 
+  
+/** @addtogroup HX8347G
+  * @brief     This file provides a set of functions needed to drive the 
+  *            HX8347G LCD.
+  * @{
+  */
+
+/** @defgroup HX8347G_Private_TypesDefinitions
+  * @{
+  */ 
+
+/**
+  * @}
+  */ 
+
+/** @defgroup HX8347G_Private_Defines
+  * @{
+  */
+
+/**
+  * @}
+  */ 
+  
+/** @defgroup HX8347G_Private_Macros
+  * @{
+  */
+     
+/**
+  * @}
+  */  
+
+/** @defgroup HX8347G_Private_Variables
+  * @{
+  */ 
+LCD_DrvTypeDef   hx8347g_drv = 
+{
+  hx8347g_Init,
+  hx8347g_ReadID,
+  hx8347g_DisplayOn,
+  hx8347g_DisplayOff,
+  hx8347g_SetCursor,
+  hx8347g_WritePixel,
+  hx8347g_ReadPixel,
+  hx8347g_SetDisplayWindow,
+  hx8347g_DrawHLine,
+  hx8347g_DrawVLine,
+  hx8347g_GetLcdPixelWidth,
+  hx8347g_GetLcdPixelHeight,
+  hx8347g_DrawBitmap,  
+};
+
+static uint8_t Is_hx8347g_Initialized = 0;
+static uint16_t ArrayRGB[320] = {0};
+
+/**
+  * @}
+  */ 
+  
+/** @defgroup HX8347G_Private_FunctionPrototypes
+  * @{
+  */
+
+/**
+  * @}
+  */ 
+  
+/** @defgroup HX8347G_Private_Functions
+  * @{
+  */   
+
+/**
+  * @brief  Initialise the HX8347G LCD Component.
+  * @param  None
+  * @retval None
+  */
+void hx8347g_Init(void)
+{  
+  if(Is_hx8347g_Initialized == 0)
+  {
+    Is_hx8347g_Initialized = 1;
+    /* Initialise HX8347G low level bus layer --------------------------------*/
+    LCD_IO_Init();
+    
+    /* Driving ability setting */
+    hx8347g_WriteReg(LCD_REG_234, 0x00);
+    hx8347g_WriteReg(LCD_REG_235, 0x20);
+    hx8347g_WriteReg(LCD_REG_236, 0x0C);
+    hx8347g_WriteReg(LCD_REG_237, 0xC4);
+    hx8347g_WriteReg(LCD_REG_232, 0x40);
+    hx8347g_WriteReg(LCD_REG_233, 0x38);
+    hx8347g_WriteReg(LCD_REG_241, 0x01);
+    hx8347g_WriteReg(LCD_REG_242, 0x10);
+    hx8347g_WriteReg(LCD_REG_39, 0xA3);
+
+    /* Adjust the Gamma Curve */
+    hx8347g_WriteReg(LCD_REG_64, 0x01);
+    hx8347g_WriteReg(LCD_REG_65, 0x00);
+    hx8347g_WriteReg(LCD_REG_66, 0x00);
+    hx8347g_WriteReg(LCD_REG_67, 0x10);
+    hx8347g_WriteReg(LCD_REG_68, 0x0E);
+    hx8347g_WriteReg(LCD_REG_69, 0x24);
+    hx8347g_WriteReg(LCD_REG_70, 0x04);
+    hx8347g_WriteReg(LCD_REG_71, 0x50);
+    hx8347g_WriteReg(LCD_REG_72, 0x02);
+    hx8347g_WriteReg(LCD_REG_73, 0x13);
+    hx8347g_WriteReg(LCD_REG_74, 0x19);
+    hx8347g_WriteReg(LCD_REG_75, 0x19);
+    hx8347g_WriteReg(LCD_REG_76, 0x16);
+    hx8347g_WriteReg(LCD_REG_80, 0x1B);
+    hx8347g_WriteReg(LCD_REG_81, 0x31);
+    hx8347g_WriteReg(LCD_REG_82, 0x2F);
+    hx8347g_WriteReg(LCD_REG_83, 0x3F);
+    hx8347g_WriteReg(LCD_REG_84, 0x3F);
+    hx8347g_WriteReg(LCD_REG_85, 0x3E);
+    hx8347g_WriteReg(LCD_REG_86, 0x2F);
+    hx8347g_WriteReg(LCD_REG_87, 0x7B);
+    hx8347g_WriteReg(LCD_REG_88, 0x09);
+    hx8347g_WriteReg(LCD_REG_89, 0x06);
+    hx8347g_WriteReg(LCD_REG_90, 0x06);
+    hx8347g_WriteReg(LCD_REG_91, 0x0C);
+    hx8347g_WriteReg(LCD_REG_92, 0x1D);
+    hx8347g_WriteReg(LCD_REG_93, 0xCC);
+
+    /* Power voltage setting */
+    hx8347g_WriteReg(LCD_REG_27, 0x1B);
+    hx8347g_WriteReg(LCD_REG_26, 0x01);
+    hx8347g_WriteReg(LCD_REG_36, 0x2F);
+    hx8347g_WriteReg(LCD_REG_37, 0x57);
+    /*****VCOM offset ****/
+    hx8347g_WriteReg(LCD_REG_35, 0x86);
+
+    hx8347g_DisplayOn();
+
+    /* Set GRAM Area - Partial Display Control */
+    hx8347g_WriteReg(LCD_REG_1, 0x00); /* DP_STB = 0, DP_STB_S = 0, SCROLL = 0, */
+    hx8347g_SetDisplayWindow(0, 0, hx8347g_GetLcdPixelWidth(), hx8347g_GetLcdPixelHeight());
+    hx8347g_WriteReg(LCD_REG_22, 0xA0); /* Memory access control: MY = 1, MX = 0, MV = 1, ML = 0 */
+  }
+  
+  /* Set the Cursor */ 
+  hx8347g_SetCursor(0, 0);
+    
+  /* Prepare to write GRAM */
+  LCD_IO_WriteReg(LCD_REG_34);
+}
+
+/**
+  * @brief  Enables the Display.
+  * @param  None
+  * @retval None
+  */
+void hx8347g_DisplayOn(void)
+{
+  /* Power On sequence ---------------------------------------------------------*/
+  hx8347g_WriteReg(LCD_REG_24, 0x36); /* Display frame rate = 70Hz RADJ = '0110' */
+  hx8347g_WriteReg(LCD_REG_25, 0x01); /* OSC_EN = 1 */
+  hx8347g_WriteReg(LCD_REG_28, 0x06); /* AP[2:0] = 111 */
+  hx8347g_WriteReg(LCD_REG_31, 0x90); /* GAS=1, VOMG=00, PON=1, DK=0, XDK=0, DVDH_TRI=0, STB=0*/
+  LCD_Delay(10);
+  /* 262k/65k color selection */
+  hx8347g_WriteReg(LCD_REG_23, 0x05); /* default 0x06 262k color,  0x05 65k color */
+  /* SET PANEL */
+  hx8347g_WriteReg(LCD_REG_54, 0x09); /* SS_PANEL = 1, GS_PANEL = 0,REV_PANEL = 0, BGR_PANEL = 1 */
+ 
+  /* Display On */
+  hx8347g_WriteReg(LCD_REG_40, 0x38);
+  LCD_Delay(60);
+  hx8347g_WriteReg(LCD_REG_40, 0x3C);
+}
+
+/**
+  * @brief  Disables the Display.
+  * @param  None
+  * @retval None
+  */
+void hx8347g_DisplayOff(void)
+{
+  /* Display Off */
+  hx8347g_WriteReg(LCD_REG_40, 0x38);
+  LCD_Delay(60);
+  hx8347g_WriteReg(LCD_REG_40, 0x04);
+
+  /* Power Off sequence ---------------------------------------------------------*/
+  hx8347g_WriteReg(LCD_REG_23, 0x0000); /* default 0x06 262k color,  0x05 65k color */
+  hx8347g_WriteReg(LCD_REG_24, 0x0000); /* Display frame rate = 70Hz RADJ = '0110' */
+  hx8347g_WriteReg(LCD_REG_25, 0x0000); /* OSC_EN = 1 */
+  hx8347g_WriteReg(LCD_REG_28, 0x0000); /* AP[2:0] = 111 */
+  hx8347g_WriteReg(LCD_REG_31, 0x0000); /* GAS=1, VOMG=00, PON=1, DK=0, XDK=0, DVDH_TRI=0, STB=0*/
+  hx8347g_WriteReg(LCD_REG_54, 0x0000); /* SS_PANEL = 1, GS_PANEL = 0,REV_PANEL = 0, BGR_PANEL = 1 */
+}
+
+/**
+  * @brief  Get the LCD pixel Width.
+  * @param  None
+  * @retval The Lcd Pixel Width
+  */
+uint16_t hx8347g_GetLcdPixelWidth(void)
+{
+ return (uint16_t)HX8347G_LCD_PIXEL_WIDTH;
+}
+
+/**
+  * @brief  Get the LCD pixel Height.
+  * @param  None
+  * @retval The Lcd Pixel Height
+  */
+uint16_t hx8347g_GetLcdPixelHeight(void)
+{
+ return (uint16_t)HX8347G_LCD_PIXEL_HEIGHT;
+}
+
+/**
+  * @brief  Get the HX8347G ID.
+  * @param  None
+  * @retval The HX8347G ID 
+  */
+uint16_t hx8347g_ReadID(void)
+{
+  if(Is_hx8347g_Initialized == 0)
+  {
+    LCD_IO_Init();
+  }
+  return (hx8347g_ReadReg(0x00));
+}
+
+/**
+  * @brief  Set Cursor position.
+  * @param  Xpos: specifies the X position.
+  * @param  Ypos: specifies the Y position.
+  * @retval None
+  */
+void hx8347g_SetCursor(uint16_t Xpos, uint16_t Ypos)
+{
+  hx8347g_WriteReg(LCD_REG_6, 0x00);
+  hx8347g_WriteReg(LCD_REG_7, Xpos);
+  hx8347g_WriteReg(LCD_REG_2, Ypos >> 8);
+  hx8347g_WriteReg(LCD_REG_3, Ypos & 0xFF);
+}
+
+/**
+  * @brief  Write pixel.   
+  * @param  Xpos: specifies the X position.
+  * @param  Ypos: specifies the Y position.
+* @param  RGBCode: the RGB pixel color
+  * @retval None
+  */
+void hx8347g_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)
+{
+  /* Set Cursor */
+  hx8347g_SetCursor(Xpos, Ypos);
+  
+  /* Prepare to write GRAM */
+  LCD_IO_WriteReg(LCD_REG_34);
+
+  /* Write 16-bit GRAM Reg */
+  LCD_IO_WriteMultipleData((uint8_t*)&RGBCode, 2);
+}
+
+/**
+  * @brief  Read pixel.
+  * @param  None
+  * @retval the RGB pixel color
+  */
+uint16_t hx8347g_ReadPixel(uint16_t Xpos, uint16_t Ypos)
+{
+  /* Set Cursor */
+  hx8347g_SetCursor(Xpos, Ypos);
+
+  /* Dummy read */
+  LCD_IO_ReadData(LCD_REG_34);
+  
+  /* Read 16-bit Reg */
+  return (LCD_IO_ReadData(LCD_REG_34));
+}
+
+/**
+  * @brief  Writes to the selected LCD register.
+* @param  LCDReg:      address of the selected register.
+* @param  LCDRegValue: value to write to the selected register.
+  * @retval None
+  */
+void hx8347g_WriteReg(uint8_t LCDReg, uint16_t LCDRegValue)
+{
+  LCD_IO_WriteReg(LCDReg);
+  
+  /* Write 16-bit GRAM Reg */
+  LCD_IO_WriteMultipleData((uint8_t*)&LCDRegValue, 2);
+}
+
+/**
+  * @brief  Reads the selected LCD Register.
+* @param  LCDReg: address of the selected register.
+  * @retval LCD Register Value.
+  */
+uint16_t hx8347g_ReadReg(uint8_t LCDReg)
+{
+  /* Read 16-bit Reg */
+  return (LCD_IO_ReadData(LCDReg));
+}
+
+/**
+  * @brief  Sets a display window
+  * @param  Xpos:   specifies the X bottom left position.
+  * @param  Ypos:   specifies the Y bottom left position.
+  * @param  Height: display window height.
+  * @param  Width:  display window width.
+  * @retval None
+  */
+void hx8347g_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
+{
+  /* Horizontal GRAM Start Address */
+  hx8347g_WriteReg(LCD_REG_6, (Xpos) >> 8); /* SP */
+  hx8347g_WriteReg(LCD_REG_7, (Xpos) & 0xFF); /* SP */
+
+  /* Horizontal GRAM End Address */
+  hx8347g_WriteReg(LCD_REG_8, (Xpos + Height - 1) >> 8); /* EP */
+  hx8347g_WriteReg(LCD_REG_9, (Xpos + Height - 1) & 0xFF); /* EP */
+
+  /* Vertical GRAM Start Address */
+  hx8347g_WriteReg(LCD_REG_2, (Ypos) >> 8); /* SC */
+  hx8347g_WriteReg(LCD_REG_3, (Ypos) & 0xFF); /* SC */
+
+  /* Vertical GRAM End Address */
+  hx8347g_WriteReg(LCD_REG_4, (Ypos + Width - 1) >> 8); /* EC */
+  hx8347g_WriteReg(LCD_REG_5, (Ypos + Width - 1) & 0xFF); /* EC */
+}
+
+/**
+  * @brief  Draw vertical line.
+* @param  RGBCode: Specifies the RGB color   
+  * @param  Xpos:     specifies the X position.
+  * @param  Ypos:     specifies the Y position.
+  * @param  Length:   specifies the Line length.  
+  * @retval None
+  */
+void hx8347g_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)
+{
+  uint32_t i = 0;
+  
+  /* Set Cursor */
+  hx8347g_SetCursor(Xpos, Ypos); 
+  
+  /* Prepare to write GRAM */
+  LCD_IO_WriteReg(LCD_REG_34);
+
+  /* Sent a complete line */
+  for(i = 0; i < Length; i++)
+  {
+    ArrayRGB[i] = RGBCode;
+  }  
+
+  LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
+}
+
+/**
+  * @brief  Draw vertical line.
+* @param  RGBCode: Specifies the RGB color    
+  * @param  Xpos:     specifies the X position.
+  * @param  Ypos:     specifies the Y position.
+  * @param  Length:   specifies the Line length.  
+  * @retval None
+  */
+void hx8347g_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)
+{
+  uint16_t counter = 0;
+  
+  /* Set Cursor */
+  hx8347g_SetCursor(Xpos, Ypos);
+
+  /* Prepare to write GRAM */
+  LCD_IO_WriteReg(LCD_REG_34);
+
+  /* Fill a complete vertical line */
+  for(counter = 0; counter < Length; counter++)
+  {
+    ArrayRGB[counter] = RGBCode;
+  }
+  
+  /* Write 16-bit GRAM Reg */
+  LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
+}
+
+/**
+  * @brief  Displays a bitmap picture loaded in the internal Flash.
+  * @param  BmpAddress: Bmp picture address in the internal Flash.
+  * @retval None
+  */
+void hx8347g_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)
+{
+  uint32_t index = 0, size = 0;
+  
+  /* Read bitmap size */
+  size = *(volatile uint16_t *) (pbmp + 2);
+  size |= (*(volatile uint16_t *) (pbmp + 4)) << 16;
+  /* Get bitmap data address offset */
+  index = *(volatile uint16_t *) (pbmp + 10);
+  index |= (*(volatile uint16_t *) (pbmp + 12)) << 16;
+  size = (size - index)/2;
+  pbmp += index;
+  
+  /* Set GRAM write direction and BGR = 0 */
+  /* Memory access control: MY = 1, MX = 0, MV = 1, ML = 0 */
+  hx8347g_WriteReg(LCD_REG_22, 0xE0);
+
+  /* Set Cursor */
+  hx8347g_SetCursor(Xpos, Ypos);  
+  
+  /* Prepare to write GRAM */
+  LCD_IO_WriteReg(LCD_REG_34);
+ 
+  LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2);
+ 
+  /* Set GRAM write direction and BGR = 0 */
+  /* Memory access control: MY = 1, MX = 1, MV = 1, ML = 0 */
+  hx8347g_WriteReg(LCD_REG_22, 0xA0);
+}
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */
+  
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+