ST7735和ST7789驱动

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __LCD_H

#define __LCD_H

#ifdef __cplusplus

 extern "C" {

#endif 

/* Includes ------------------------------------------------------------------*/

#include <stdint.h>

/** @addtogroup BSP

  * @{

  */

/** @addtogroup Components

  * @{

  */

/** @addtogroup LCD

  * @{

  */

/** @defgroup LCD_Exported_Types

  * @{

  */

/** @defgroup LCD_Driver_structure  LCD Driver structure

  * @{

  */

typedef struct

{

  void     (*Init)(void);

  uint16_t (*ReadID)(void);

  void     (*DisplayOn)(void);

  void     (*DisplayOff)(void);

  void     (*SetCursor)(uint16_t, uint16_t);

  void     (*WritePixel)(uint16_t, uint16_t, uint16_t);

  uint16_t (*ReadPixel)(uint16_t, uint16_t);

   /* Optimized operation */

  void     (*SetDisplayWindow)(uint16_t, uint16_t, uint16_t, uint16_t);

  void     (*DrawHLine)(uint16_t, uint16_t, uint16_t, uint16_t);

  void     (*DrawVLine)(uint16_t, uint16_t, uint16_t, uint16_t);

  uint16_t (*GetLcdPixelWidth)(void);

  uint16_t (*GetLcdPixelHeight)(void);

  void     (*DrawBitmap)(uint16_t, uint16_t, uint8_t*);

  void     (*DrawRGBImage)(uint16_t, uint16_t, uint16_t, uint16_t, uint8_t*);

}LCD_DrvTypeDef;

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

#ifdef __cplusplus

}

#endif

#endif /* __LCD_H */

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __st7789v_H

#define __st7789v_H

#ifdef __cplusplus

 extern "C" {

#endif 

/* Includes ------------------------------------------------------------------*/

#include "lcd.h"

/** @addtogroup BSP

  * @{

  */ 

/** @addtogroup Components

  * @{

  */ 

/** @addtogroup st7789v

  * @{

  */

/** @defgroup st7789v_Exported_Types

  * @{

  */

/**

  * @}

  */ 

/** @defgroup st7789v_Exported_Constants

  * @{

  */

/**

  * @brief  st7789v Size

  */

#define  st7789v_LCD_PIXEL_WIDTH    ((uint16_t)128)

#define  st7789v_LCD_PIXEL_HEIGHT   ((uint16_t)160)

/**

  * @brief  LCD Lines depending on the chosen fonts.

  */

#define LCD_LINE_0               LINE(0)

#define LCD_LINE_1               LINE(1)

#define LCD_LINE_2               LINE(2)

#define LCD_LINE_3               LINE(3)

#define LCD_LINE_4               LINE(4)

#define LCD_LINE_5               LINE(5)

#define LCD_LINE_6               LINE(6)

#define LCD_LINE_7               LINE(7)

#define LCD_LINE_8               LINE(8)

#define LCD_LINE_9               LINE(9)

#define LCD_LINE_10              LINE(10)

#define LCD_LINE_11              LINE(11)

#define LCD_LINE_12              LINE(12)

#define LCD_LINE_13              LINE(13)

#define LCD_LINE_14              LINE(14)

#define LCD_LINE_15              LINE(15)

#define LCD_LINE_16              LINE(16)

#define LCD_LINE_17              LINE(17)

#define LCD_LINE_18              LINE(18)

#define LCD_LINE_19              LINE(19) 

/**

  * @}

  */

/** @defgroup ADAFRUIT_SPI_LCD_Exported_Functions

  * @{

  */

void     st7789v_Init(void);

uint16_t st7789v_ReadID(void);

void     st7789v_DisplayOn(void);

void     st7789v_DisplayOff(void);

void     st7789v_SetCursor(uint16_t Xpos, uint16_t Ypos);

void     st7789v_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode);

void     st7789v_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue);

uint8_t  st7789v_ReadReg(uint8_t LCDReg);

void     st7789v_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height);

void     st7789v_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length);

void     st7789v_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length);

uint16_t st7789v_GetLcdPixelWidth(void);

uint16_t st7789v_GetLcdPixelHeight(void);

void     st7789v_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp);

/* LCD driver structure */

extern LCD_DrvTypeDef   st7789v_drv;

/* LCD IO functions */

void     LCD_IO_Init(void);

void     LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size);

void     LCD_IO_WriteReg(uint8_t Reg);

void     LCD_Delay(uint32_t delay);

/**

  * @}

  */

#ifdef __cplusplus

}

#endif

#endif /* __st7789v_H */

/**

  * @}

  */ 

/**

  * @}

  */

/**

  * @}

  */

/* Includes ------------------------------------------------------------------*/

#include "st7789v.h"

/** @addtogroup BSP

  * @{

  */ 

/** @addtogroup Components

  * @{

  */ 

/** @addtogroup st7789v

  * @brief      This file provides a set of functions needed to drive the

  *             st7789v LCD.

  * @{

  */

/** @defgroup st7789v_Private_TypesDefinitions

  * @{

  */ 

/**

  * @}

  */ 

/** @defgroup st7789v_Private_Defines

  * @{

  */

/**

  * @}

  */ 

/** @defgroup st7789v_Private_Macros

  * @{

  */

/**

  * @}

  */  

/** @defgroup st7789v_Private_Variables

  * @{

  */ 

LCD_DrvTypeDef   st7789v_drv =

{

  st7789v_Init,

  ,

  st7789v_DisplayOn,

  st7789v_DisplayOff,

  st7789v_SetCursor,

  st7789v_WritePixel,

  ,

  st7789v_SetDisplayWindow,

  st7789v_DrawHLine,

  st7789v_DrawVLine,

  st7789v_GetLcdPixelWidth,

  st7789v_GetLcdPixelHeight,

  st7789v_DrawBitmap,

};

static uint16_t ArrayRGB[] = {};

/**

* @}

*/ 

/** @defgroup st7789v_Private_FunctionPrototypes

  * @{

  */

/**

* @}

*/ 

/** @defgroup st7789v_Private_Functions

  * @{

  */

/**

  * @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 st7789v_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue)

{

  LCD_IO_WriteReg(LCDReg);

  LCD_IO_WriteMultipleData(&LCDRegValue, );

}

/**

  * @brief  Initialize the st7789v LCD Component.

  * @param  None

  * @retval None

  */

void st7789v_Init(void)

{    

  /* Initialize st7789v low level bus layer -----------------------------------*/

  LCD_IO_Init();

  /* Out of sleep mode, 0 args, no delay */

  st7789v_WriteReg(0x11, 0x00);

  /**/    

  st7789v_WriteReg(0x36, 0x00);

    st7789v_WriteReg(0x3A, 0x06);

    st7789v_WriteReg(0xB2, 0x0C);

    st7789v_WriteReg(0xB2, 0x0C);

    st7789v_WriteReg(0xB2, 0x00);

    st7789v_WriteReg(0xB2, 0x33);

    st7789v_WriteReg(0xB2, 0x33);   

    st7789v_WriteReg(0xB7, 0x35);   //VGH=13.26V, VGL=-10.43V

    st7789v_WriteReg(0xBB, 0x38);   //VCOM

    st7789v_WriteReg(0xC0, 0x2C);   

    st7789v_WriteReg(0xC2, 0x01);   

    st7789v_WriteReg(0xC3, 0x1A); //VAP  //5V

    st7789v_WriteReg(0xC4, 0x20);   

    st7789v_WriteReg(0xC6, 0x0F);   

    st7789v_WriteReg(0xD0, 0xA4);

    st7789v_WriteReg(0xD0, 0xA1);   

    st7789v_WriteReg(0xE0 , 0xD0);

    st7789v_WriteReg(0xE0, 0x1E);

    st7789v_WriteReg(0xE0, 0x24);

    st7789v_WriteReg(0xE0, 0x0A);

    st7789v_WriteReg(0xE0 , 0x0A);

    st7789v_WriteReg(0xE0 , 0x26);

    st7789v_WriteReg(0xE0, 0x44);

    st7789v_WriteReg(0xE0, 0x44);

    st7789v_WriteReg(0xE0, 0x57);

    st7789v_WriteReg(0xE0, 0x29);

    st7789v_WriteReg(0xE0 , 0x14);

    st7789v_WriteReg(0xE0, 0x14);

    st7789v_WriteReg(0xE0 , 0x30);

    st7789v_WriteReg(0xE0 , 0x34);   

    st7789v_WriteReg(0xE1, 0xD0);

    st7789v_WriteReg(0xE1 , 0x1E);

    st7789v_WriteReg(0xE1, 0x23);

    st7789v_WriteReg(0xE1 , 0x0A);

    st7789v_WriteReg(0xE1, 0x09);

    st7789v_WriteReg(0xE1, 0x25);

    st7789v_WriteReg(0xE1 , 0x43);

    st7789v_WriteReg(0xE1, 0x33);

    st7789v_WriteReg(0xE1, 0x56);

    st7789v_WriteReg(0xE1 , 0x28);

    st7789v_WriteReg(0xE1 , 0x14);

    st7789v_WriteReg(0xE1, 0x14);

    st7789v_WriteReg(0xE1, 0x2F);

    st7789v_WriteReg(0xE1 , 0x34);   

    st7789v_WriteReg(0x29,0x00);    

    st7789v_WriteReg(0x21, 0x00);  

    st7789v_WriteReg(0x2A, 0x00);

    st7789v_WriteReg(0x2A , 0x00);

    st7789v_WriteReg(0x2A , 0x00);

    st7789v_WriteReg(0x2A , 0xEF);   

    st7789v_WriteReg(0x2B, 0x00);

    st7789v_WriteReg(0x2B , 0x00);

    st7789v_WriteReg(0x2B , 0x00);

    st7789v_WriteReg(0x2B , 0xEF);

}

/**

  * @brief  Enables the Display.

  * @param  None

  * @retval None

  */

void st7789v_DisplayOn(void)

{

  uint8_t data = ;

  LCD_IO_WriteReg(0x13);/* Partial off (Normal): NORON */

  LCD_Delay();

  LCD_IO_WriteReg(0x29);/* Display on: DISPON */

  LCD_Delay();

  LCD_IO_WriteReg(0x36);/* Memory data access control: MADCTL */

  data = 0xC0;

  LCD_IO_WriteMultipleData(&data, );

}

/**

  * @brief  Disables the Display.

  * @param  None

  * @retval None

  */

void st7789v_DisplayOff(void)

{

  uint8_t data = ;

  LCD_IO_WriteReg(0x13);/* Partial off (Normal): NORON */

  LCD_Delay();

  LCD_IO_WriteReg(0x28);/* Display off: DISPOFF */

  LCD_Delay();

  LCD_IO_WriteReg(0x36);/* Memory data access control: MADCTL */

  data = 0xC0;

  LCD_IO_WriteMultipleData(&data, );

}

/**

  * @brief  Sets Cursor position.

  * @param  Xpos: specifies the X position.

  * @param  Ypos: specifies the Y position.

  * @retval None

  */

void st7789v_SetCursor(uint16_t Xpos, uint16_t Ypos)

{

  uint8_t data = ;

  LCD_IO_WriteReg(0x2A);/* Column address set: CASET */

  data = (Xpos) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Xpos) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

  LCD_IO_WriteReg(0x2B);/* Row address set: RASET */

  data = (Ypos) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Ypos) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

  LCD_IO_WriteReg(0x2C);/* Memory write: RAMWR */

}

/**

  * @brief  Writes pixel.

  * @param  Xpos: specifies the X position.

  * @param  Ypos: specifies the Y position.

  * @param  RGBCode: the RGB pixel color

  * @retval None

  */

void st7789v_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)

{

  uint8_t data = ;

  if((Xpos >= st7789v_LCD_PIXEL_WIDTH) || (Ypos >= st7789v_LCD_PIXEL_HEIGHT))

  {

    return;

  }

  /* Set Cursor */

  st7789v_SetCursor(Xpos, Ypos);

  data = RGBCode >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = RGBCode;

  LCD_IO_WriteMultipleData(&data, );

}  

/**

  * @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 st7789v_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)

{

  uint8_t data = ;

  /* Column addr set, 4 args, no delay: XSTART = Xpos, XEND = (Xpos + Width - 1) */

  LCD_IO_WriteReg(0x2A);/* Column address set: CASET */

  data = (Xpos) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Xpos) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

  data = (Xpos + Width - ) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Xpos + Width - ) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

  /* Row addr set, 4 args, no delay: YSTART = Ypos, YEND = (Ypos + Height - 1) */

  LCD_IO_WriteReg(0x2B);/* Row address set: RASET */

  data = (Ypos) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Ypos) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

  data = (Ypos + Height - ) >> ;

  LCD_IO_WriteMultipleData(&data, );

  data = (Ypos + Height - ) & 0xFF;

  LCD_IO_WriteMultipleData(&data, );

}

/**

  * @brief  Draws horizontal 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 st7789v_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)

{

  uint8_t counter = ;

  if(Xpos + Length > st7789v_LCD_PIXEL_WIDTH) return;

  /* Set Cursor */

  st7789v_SetCursor(Xpos, Ypos);

  for(counter = ; counter < Length; counter++)

  {

    ArrayRGB[counter] = RGBCode;

  }

  LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[], Length * );

}

/**

  * @brief  Draws 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 st7789v_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)

{

  uint8_t counter = ;

  if(Ypos + Length > st7789v_LCD_PIXEL_HEIGHT) return;

  for(counter = ; counter < Length; counter++)

  {

    st7789v_WritePixel(Xpos, Ypos + counter, RGBCode);

  }

}

/**

  * @brief  Gets the LCD pixel Width.

  * @param  None

  * @retval The Lcd Pixel Width

  */

uint16_t st7789v_GetLcdPixelWidth(void)

{

  return st7789v_LCD_PIXEL_WIDTH;

}

/**

  * @brief  Gets the LCD pixel Height.

  * @param  None

  * @retval The Lcd Pixel Height

  */

uint16_t st7789v_GetLcdPixelHeight(void)

{

  return st7789v_LCD_PIXEL_HEIGHT;

}

/**

  * @brief  Displays a bitmap picture loaded in the internal Flash.

  * @param  BmpAddress: Bmp picture address in the internal Flash.

  * @retval None

  */

void st7789v_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)

{

  uint32_t index = , size = ;

  /* Read bitmap size */

  size = *(volatile uint16_t *) (pbmp + );

  size |= (*(volatile uint16_t *) (pbmp + )) << ;

  /* Get bitmap data address offset */

  index = *(volatile uint16_t *) (pbmp + );

  index |= (*(volatile uint16_t *) (pbmp + )) << ;

  size = (size - index)/;

  pbmp += index;

  /* Set GRAM write direction and BGR = 0 */

  /* Memory access control: MY = 0, MX = 1, MV = 0, ML = 0 */

  st7789v_WriteReg(0x36, 0x40);// LCD_REG_54              0x36 /* Memory data access control: MADCTL */ 

  /* Set Cursor */

  st7789v_SetCursor(Xpos, Ypos);  

  LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*);

  /* Set GRAM write direction and BGR = 0 */

  /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */

  st7789v_WriteReg(0x36, 0xC0);/* Memory data access control: MADCTL */

}

/**

* @}

*/ 

/**

* @}

*/ 

/**

* @}

*/ 

/**

* @}

*/

/* Includes ------------------------------------------------------------------*/

#include "st7735.h"

/** @addtogroup BSP

  * @{

  */ 

/** @addtogroup Components

  * @{

  */ 

/** @addtogroup ST7735

  * @brief      This file provides a set of functions needed to drive the

  *             ST7735 LCD.

  * @{

  */

/** @defgroup ST7735_Private_TypesDefinitions

  * @{

  */ 

/**

  * @}

  */ 

/** @defgroup ST7735_Private_Defines

  * @{

  */

/**

  * @}

  */ 

/** @defgroup ST7735_Private_Macros

  * @{

  */

/**

  * @}

  */  

/** @defgroup ST7735_Private_Variables

  * @{

  */ 

LCD_DrvTypeDef   st7735_drv =

{

  st7735_Init,

  ,

  st7735_DisplayOn,

  st7735_DisplayOff,

  st7735_SetCursor,

  st7735_WritePixel,

  ,

  st7735_SetDisplayWindow,

  st7735_DrawHLine,

  st7735_DrawVLine,

  st7735_GetLcdPixelWidth,

  st7735_GetLcdPixelHeight,

  st7735_DrawBitmap,

};

static uint16_t ArrayRGB[] = {};

/**

* @}

*/ 

/** @defgroup ST7735_Private_FunctionPrototypes

  * @{

  */

/**

* @}

*/ 

/** @defgroup ST7735_Private_Functions

  * @{

  */

/**

  * @brief  Initialize the ST7735 LCD Component.

  * @param  None

  * @retval None

  */

void st7735_Init(void)

{    

  /* Initialize ST7735 low level bus layer -----------------------------------*/

  LCD_IO_Init();

  LCD_HW_RESET();

  /* Out of sleep mode*/

  LCD_IO_WriteReg(0x11);

  LCD_Delay();//120ms

  /* Frame rate ctrl - normal mode, 3 args:Rate = fosc/(1x2+40) * (LINE+2C+2D)*/

  LCD_IO_WriteReg(0xB1);

  LCD_IO_WriteData(0x01);

  LCD_IO_WriteData(0x2C);

  LCD_IO_WriteData(0x2D);

  /* Frame rate control - idle mode, 3 args:Rate = fosc/(1x2+40) * (LINE+2C+2D) */

  LCD_IO_WriteReg(0xB2);

  LCD_IO_WriteData(0x01);

  LCD_IO_WriteData(0x2C);

  LCD_IO_WriteData(0x2D);

  /* Frame rate ctrl - partial mode, 6 args: Dot inversion mode, Line inversion mode */

  LCD_IO_WriteReg(0xB3);

  LCD_IO_WriteData(0x01);

  LCD_IO_WriteData(0x2C);

  LCD_IO_WriteData(0x2D);

  LCD_IO_WriteData(0x01);

  LCD_IO_WriteData(0x2C);

  LCD_IO_WriteData(0x2D);

  /* Display inversion ctrl, 1 arg, no delay: No inversion */

  st7735_WriteReg(0xB4, 0x07);

  /* Power control, 3 args, no delay: -4.6V , AUTO mode */

  LCD_IO_WriteReg(0xC0);

  LCD_IO_WriteData(0xA2);

  LCD_IO_WriteData(0x02);

  LCD_IO_WriteData(0x84);

  /* Power control, 1 arg, no delay: VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD */

  st7735_WriteReg(0xC1, 0xC5);

  /* Power control, 2 args, no delay: Opamp current small, Boost frequency */

  LCD_IO_WriteReg(0xC2);

  LCD_IO_WriteData(0x0A);

  LCD_IO_WriteData(0x00);

  /* Power control, 2 args, no delay: BCLK/2, Opamp current small & Medium low */

  LCD_IO_WriteReg(0xC3);

  LCD_IO_WriteData(0x8A);

  LCD_IO_WriteData(0x2A);

  /* Power control, 2 args, no delay */

   LCD_IO_WriteReg(0xC4);

  LCD_IO_WriteData(0x8A);

  LCD_IO_WriteData(0xEE);

  /* Power control, 1 arg, no delay */

  st7735_WriteReg(0xC5, 0x0E);

  /* Don't invert display, no args, no delay */

  LCD_IO_WriteReg(0x20);

  /* Set color mode, 1 arg, no delay: 16-bit color */

  st7735_WriteReg(0x3A, 0x05);

  /* Column addr set, 4 args, no delay: XSTART = 0, XEND = 127 */

  LCD_IO_WriteReg(0x2A);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x7F);

  /* Row addr set, 4 args, no delay: YSTART = 0, YEND = 159 */

  LCD_IO_WriteReg(0x2B);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x9F);

  /* Magical unicorn dust, 16 args, no delay */

  LCD_IO_WriteReg(0xE0);

  LCD_IO_WriteData(0x02);

  LCD_IO_WriteData(0x1c);

  LCD_IO_WriteData(0x07);

  LCD_IO_WriteData(0x12);

  LCD_IO_WriteData(0x37);

  LCD_IO_WriteData(0x32);

  LCD_IO_WriteData(0x29);

  LCD_IO_WriteData(0x2d);

  LCD_IO_WriteData(0x29);

  LCD_IO_WriteData(0x25);

  LCD_IO_WriteData(0x2B);

  LCD_IO_WriteData(0x39);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x01);

  LCD_IO_WriteData(0x03);

  LCD_IO_WriteData(0x10);

  /* Sparkles and rainbows, 16 args, no delay */

  LCD_IO_WriteReg(0xE0);

  LCD_IO_WriteData(0x03);

  LCD_IO_WriteData(0x1d);

  LCD_IO_WriteData(0x07);

  LCD_IO_WriteData(0x06);

  LCD_IO_WriteData(0x2E);

  LCD_IO_WriteData(0x2C);

  LCD_IO_WriteData(0x29);

  LCD_IO_WriteData(0x2D);

  LCD_IO_WriteData(0x2E);

  LCD_IO_WriteData(0x2E);

  LCD_IO_WriteData(0x37);

  LCD_IO_WriteData(0x3F);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x00);

  LCD_IO_WriteData(0x02);

  LCD_IO_WriteData(0x10);

  /* Normal display on, no args, no delay */

  st7735_WriteReg(0x13, 0x00);

  /* Main screen turn on, no delay */

  st7735_WriteReg(0x29, 0x00);

  /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */

  st7735_WriteReg(0x36, 0xC0);

}

/**

  * @brief  Enables the Display.

  * @param  None

  * @retval None

  */

void st7735_DisplayOn(void)

{

  LCD_IO_WriteReg(0x13);

  LCD_Delay();

  LCD_IO_WriteReg(0x29);

  LCD_Delay();

  LCD_IO_WriteReg(0x36);

  LCD_IO_WriteData(0xC0);

}

/**

  * @brief  Disables the Display.

  * @param  None

  * @retval None

  */

void st7735_DisplayOff(void)

{

  LCD_IO_WriteReg(0x13);

  LCD_Delay();

  LCD_IO_WriteReg(0x28);

  LCD_Delay();

  LCD_IO_WriteReg(0x36);

  LCD_IO_WriteData(0xC0);

}

/**

  * @brief  Sets Cursor position.

  * @param  Xpos: specifies the X position.

  * @param  Ypos: specifies the Y position.

  * @retval None

  */

void st7735_SetCursor(uint16_t Xpos, uint16_t Ypos)

{

  LCD_IO_WriteReg(0x2A);

  LCD_IO_WriteData((Xpos) >> );

  LCD_IO_WriteData((Xpos) & 0xFF);

  LCD_IO_WriteReg(0x2B);

  LCD_IO_WriteData((Ypos) >> );

  LCD_IO_WriteData((Ypos) & 0xFF);

  LCD_IO_WriteReg(0x2C);

}

/**

  * @brief  Writes pixel.

  * @param  Xpos: specifies the X position.

  * @param  Ypos: specifies the Y position.

  * @param  RGBCode: the RGB pixel color

  * @retval None

  */

void st7735_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)

{

  if((Xpos >= ST7735_LCD_PIXEL_WIDTH) || (Ypos >= ST7735_LCD_PIXEL_HEIGHT))

  {

    return;

  }

  /* Set Cursor */

  st7735_SetCursor(Xpos, Ypos);

  LCD_IO_WriteData(RGBCode >> );

  LCD_IO_WriteData(RGBCode);

}  

/**

  * @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 st7735_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue)

{

  LCD_IO_WriteReg(LCDReg);

  LCD_IO_WriteData(LCDRegValue);

}

/**

  * @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 st7735_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)

{

  /* Column addr set, 4 args, no delay: XSTART = Xpos, XEND = (Xpos + Width - 1) */

  LCD_IO_WriteReg(0x2A);

  LCD_IO_WriteData((Xpos) >> );

  LCD_IO_WriteData((Xpos) & 0xFF);

  LCD_IO_WriteData((Xpos + Width - ) >> );

  LCD_IO_WriteData((Xpos + Width - ) & 0xFF);

  /* Row addr set, 4 args, no delay: YSTART = Ypos, YEND = (Ypos + Height - 1) */

  LCD_IO_WriteReg(0x2B);

  LCD_IO_WriteData((Ypos) >>  );

  LCD_IO_WriteData((Ypos) & 0xFF );

  LCD_IO_WriteData((Ypos + Height - ) >>  );

  LCD_IO_WriteData((Ypos + Height - ) & 0xFF );

}

/**

  * @brief  Draws horizontal 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 st7735_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)

{

  uint8_t counter = ;

  if(Xpos + Length > ST7735_LCD_PIXEL_WIDTH) return;

  /* Set Cursor */

  st7735_SetCursor(Xpos, Ypos);

  for(counter = ; counter < Length; counter++)

  {

    ArrayRGB[counter] = RGBCode;

  }

  LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[], Length * );

}

/**

  * @brief  Draws 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 st7735_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)

{

  uint8_t counter = ;

  if(Ypos + Length > ST7735_LCD_PIXEL_HEIGHT) return;

  for(counter = ; counter < Length; counter++)

  {

    st7735_WritePixel(Xpos, Ypos + counter, RGBCode);

  }

}

/**

  * @brief  Gets the LCD pixel Width.

  * @param  None

  * @retval The Lcd Pixel Width

  */

uint16_t st7735_GetLcdPixelWidth(void)

{

  return ST7735_LCD_PIXEL_WIDTH;

}

/**

  * @brief  Gets the LCD pixel Height.

  * @param  None

  * @retval The Lcd Pixel Height

  */

uint16_t st7735_GetLcdPixelHeight(void)

{

  return ST7735_LCD_PIXEL_HEIGHT;

}

/**

  * @brief  Displays a bitmap picture loaded in the internal Flash.

  * @param  BmpAddress: Bmp picture address in the internal Flash.

  * @retval None

  */

void st7735_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)

{

  uint32_t index = , size = ;

  /* Read bitmap size */

  size = *(volatile uint16_t *) (pbmp + );

  size |= (*(volatile uint16_t *) (pbmp + )) << ;

  /* Get bitmap data address offset */

  index = *(volatile uint16_t *) (pbmp + );

  index |= (*(volatile uint16_t *) (pbmp + )) << ;

  size = (size - index)/;

  pbmp += index;

  /* Set GRAM write direction and BGR = 0 */

  /* Memory access control: MY = 0, MX = 1, MV = 0, ML = 0 */

  st7735_WriteReg(0x36, 0x40);

  /* Set Cursor */

  st7735_SetCursor(Xpos, Ypos);  

  LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*);

  /* Set GRAM write direction and BGR = 0 */

  /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */

  st7735_WriteReg(0x36, 0xC0);

}

#ifndef __ST7735_H

#define __ST7735_H

#ifdef __cplusplus

 extern "C" {

#endif 

/* Includes ------------------------------------------------------------------*/

#include "../Common/lcd.h"

#include "stm32f1xx_board.h"

/** @addtogroup BSP

  * @{

  */ 

/** @addtogroup Components

  * @{

  */ 

/** @addtogroup ST7735

  * @{

  */

/** @defgroup ST7735_Exported_Types

  * @{

  */

/**

  * @}

  */ 

/** @defgroup ST7735_Exported_Constants

  * @{

  */

/**

  * @brief  ST7735 Size

  */

#define  ST7735_LCD_PIXEL_WIDTH    ((uint16_t)128)

#define  ST7735_LCD_PIXEL_HEIGHT   ((uint16_t)160)

/**

  * @brief  LCD Lines depending on the chosen fonts.

  */

#define LCD_LINE_0               LINE(0)

#define LCD_LINE_1               LINE(1)

#define LCD_LINE_2               LINE(2)

#define LCD_LINE_3               LINE(3)

#define LCD_LINE_4               LINE(4)

#define LCD_LINE_5               LINE(5)

#define LCD_LINE_6               LINE(6)

#define LCD_LINE_7               LINE(7)

#define LCD_LINE_8               LINE(8)

#define LCD_LINE_9               LINE(9)

#define LCD_LINE_10              LINE(10)

#define LCD_LINE_11              LINE(11)

#define LCD_LINE_12              LINE(12)

#define LCD_LINE_13              LINE(13)

#define LCD_LINE_14              LINE(14)

#define LCD_LINE_15              LINE(15)

#define LCD_LINE_16              LINE(16)

#define LCD_LINE_17              LINE(17)

#define LCD_LINE_18              LINE(18)

#define LCD_LINE_19              LINE(19) 

/**

  * @}

  */

/** @defgroup ADAFRUIT_SPI_LCD_Exported_Functions

  * @{

  */

void     st7735_Init(void);

uint16_t st7735_ReadID(void);

void     st7735_DisplayOn(void);

void     st7735_DisplayOff(void);

void     st7735_SetCursor(uint16_t Xpos, uint16_t Ypos);

void     st7735_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode);

void     st7735_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue);

uint8_t  st7735_ReadReg(uint8_t LCDReg);

void     st7735_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height);

void     st7735_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length);

void     st7735_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length);

uint16_t st7735_GetLcdPixelWidth(void);

uint16_t st7735_GetLcdPixelHeight(void);

void     st7735_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp);

/* LCD driver structure */

extern LCD_DrvTypeDef   st7735_drv;

/**

  * @}

  */

#ifdef __cplusplus

}

#endif

#endif /* __ST7735_H */

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