stm3210c_eval_lcd.c

STM32的SPI1与SPI2通信

/**
  ******************************************************************************
  * @file    stm3210c_eval_lcd.c
  * @author  MCD Application Team
  * @version V4.5.0
  * @date    07-March-2011
  * @brief   This file includes the LCD driver for AM-240320L8TNQW00H (LCD_ILI9320)
  *          Liquid Crystal Display Module of STM3210C-EVAL board.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************  
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm3210c_eval_lcd.h"
#include "../Common/fonts.c"

/** @addtogroup Utilities
  * @{
  */

/** @addtogroup STM32_EVAL
  * @{
  */ 

/** @addtogroup STM3210C_EVAL
  * @{
  */
    
/** @defgroup STM3210C_EVAL_LCD 
  * @brief This file includes the LCD driver for AM-240320L8TNQW00H (LCD_ILI9320)
  *        Liquid Crystal Display Module of STM3210C-EVAL board.
  * @{
  */ 

/** @defgroup STM3210C_EVAL_LCD_Private_TypesDefinitions
  * @{
  */ 
/**
  * @}
  */ 


/** @defgroup STM3210C_EVAL_LCD_Private_Defines
  * @{
  */ 
#define START_BYTE         0x70
#define SET_INDEX          0x00
#define READ_STATUS        0x01
#define LCD_WRITE_REG      0x02
#define LCD_READ_REG       0x03
#define MAX_POLY_CORNERS   200
#define POLY_Y(Z)          ((int32_t)((Points + Z)->X))
#define POLY_X(Z)          ((int32_t)((Points + Z)->Y))
/**
  * @}
  */ 


/** @defgroup STM3210C_EVAL_LCD_Private_Macros
  * @{
  */
#define ABS(X)  ((X) > 0 ? (X) : -(X))    
/**
  * @}
  */ 


/** @defgroup STM3210C_EVAL_LCD_Private_Variables
  * @{
  */ 
static sFONT *LCD_Currentfonts;
/* Global variables to set the written text color */
static  __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF;
/**
  * @}
  */ 


/** @defgroup STM3210C_EVAL_LCD_Private_FunctionPrototypes
  * @{
  */ 
#ifndef USE_Delay
static void delay(__IO uint32_t nCount);
#endif /* USE_Delay*/
static void PutPixel(int16_t x, int16_t y);
static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed);
/**
  * @}
  */ 


/** @defgroup STM3210C_EVAL_LCD_Private_Functions
  * @{
  */ 

/**
  * @brief  DeInitializes the LCD.
  * @param  None
  * @retval None
  */
void LCD_DeInit(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /*!< LCD Display Off */
  LCD_DisplayOff();

  /*!< LCD_SPI disable */
  SPI_Cmd(LCD_SPI, DISABLE);
  
  /*!< LCD_SPI DeInit */
  SPI_I2S_DeInit(LCD_SPI);
   
  /*!< Disable SPI clock  */
  RCC_APB1PeriphClockCmd(LCD_SPI_CLK, DISABLE);
  GPIO_PinRemapConfig(GPIO_Remap_SPI3, DISABLE);
    
  /* Configure NCS in Output Push-Pull mode */
  GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
   
  /* Configure SPI pins: SCK, MISO and MOSI */
  GPIO_InitStructure.GPIO_Pin = LCD_SPI_SCK_PIN;
  GPIO_Init(LCD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin = LCD_SPI_MISO_PIN;
  GPIO_Init(LCD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
  
  GPIO_InitStructure.GPIO_Pin = LCD_SPI_MOSI_PIN;
  GPIO_Init(LCD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
}

/**
  * @brief  Setups the LCD.
  * @param  None
  * @retval None
  */
void LCD_Setup(void)
{ 
/* Configure the LCD Control pins --------------------------------------------*/
  LCD_CtrlLinesConfig();
  
/* Configure the LCD_SPI interface ----------------------------------------------*/
  LCD_SPIConfig();
  _delay_(5); /* Delay 50 ms */
  /* Start Initial Sequence ------------------------------------------------*/
  LCD_WriteReg(LCD_REG_229, 0x8000); /* Set the internal vcore voltage */
  LCD_WriteReg(LCD_REG_0,  0x0001); /* Start internal OSC. */
  LCD_WriteReg(LCD_REG_1,  0x0100); /* set SS and SM bit */
  LCD_WriteReg(LCD_REG_2,  0x0700); /* set 1 line inversion */
  LCD_WriteReg(LCD_REG_3,  0x1030); /* set GRAM write direction and BGR=1. */
  LCD_WriteReg(LCD_REG_4,  0x0000); /* Resize register */
  LCD_WriteReg(LCD_REG_8,  0x0202); /* set the back porch and front porch */
  LCD_WriteReg(LCD_REG_9,  0x0000); /* set non-display area refresh cycle ISC[3:0] */
  LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
  LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
  LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
  LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
  /* Power On sequence -----------------------------------------------------*/
  LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
  LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
  LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
  _delay_(20);                 /* Dis-charge capacitor power voltage (200ms) */
  LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
  _delay_(5);                  /* Delay 50 ms */
  LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
  _delay_(5);                  /* Delay 50 ms */
  LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
  LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
  _delay_(5);                  /* Delay 50 ms */
  LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
  LCD_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
  /* Adjust the Gamma Curve ------------------------------------------------*/
  LCD_WriteReg(LCD_REG_48, 0x0006);
  LCD_WriteReg(LCD_REG_49, 0x0101);
  LCD_WriteReg(LCD_REG_50, 0x0003);
  LCD_WriteReg(LCD_REG_53, 0x0106);
  LCD_WriteReg(LCD_REG_54, 0x0b02);
  LCD_WriteReg(LCD_REG_55, 0x0302);
  LCD_WriteReg(LCD_REG_56, 0x0707);
  LCD_WriteReg(LCD_REG_57, 0x0007);
  LCD_WriteReg(LCD_REG_60, 0x0600);
  LCD_WriteReg(LCD_REG_61, 0x020b);
  
  /* Set GRAM area ---------------------------------------------------------*/
  LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
  LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
  LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
  LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
  LCD_WriteReg(LCD_REG_96,  0x2700); /* Gate Scan Line */
  LCD_WriteReg(LCD_REG_97,  0x0001); /* NDL,VLE, REV */
  LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
  /* Partial Display Control -----------------------------------------------*/
  LCD_WriteReg(LCD_REG_128, 0x0000);
  LCD_WriteReg(LCD_REG_129, 0x0000);
  LCD_WriteReg(LCD_REG_130, 0x0000);
  LCD_WriteReg(LCD_REG_131, 0x0000);
  LCD_WriteReg(LCD_REG_132, 0x0000);
  LCD_WriteReg(LCD_REG_133, 0x0000);
  /* Panel Control ---------------------------------------------------------*/
  LCD_WriteReg(LCD_REG_144, 0x0010);
  LCD_WriteReg(LCD_REG_146, 0x0000);
  LCD_WriteReg(LCD_REG_147, 0x0003);
  LCD_WriteReg(LCD_REG_149, 0x0110);
  LCD_WriteReg(LCD_REG_151, 0x0000);
  LCD_WriteReg(LCD_REG_152, 0x0000);
  /* Set GRAM write direction and BGR = 1 */
  /* I/D=01 (Horizontal : increment, Vertical : decrement) */
  /* AM=1 (address is updated in vertical writing direction) */
  LCD_WriteReg(LCD_REG_3, 0x1018);
  LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
}


/**
  * @brief  Initializes the LCD.
  * @param  None
  * @retval None
  */
void STM3210C_LCD_Init(void)
{
  /* Setups the LCD */
  LCD_Setup();
  LCD_SetFont(&LCD_DEFAULT_FONT);
}

/**
  * @brief  Sets the LCD Text and Background colors.
  * @param  _TextColor: specifies the Text Color.
  * @param  _BackColor: specifies the Background Color.
  * @retval None
  */
void LCD_SetColors(__IO uint16_t _TextColor, __IO uint16_t _BackColor)
{
  TextColor = _TextColor; 
  BackColor = _BackColor;
}

/**
  * @brief  Gets the LCD Text and Background colors.
  * @param  _TextColor: pointer to the variable that will contain the Text 
            Color.
  * @param  _BackColor: pointer to the variable that will contain the Background 
            Color.
  * @retval None
  */
void LCD_GetColors(__IO uint16_t *_TextColor, __IO uint16_t *_BackColor)
{
  *_TextColor = TextColor; *_BackColor = BackColor;
}

/**
  * @brief  Sets the Text color.
  * @param  Color: specifies the Text color code RGB(5-6-5).
  * @retval None
  */
void LCD_SetTextColor(__IO uint16_t Color)
{
  TextColor = Color;
}


/**
  * @brief  Sets the Background color.
  * @param  Color: specifies the Background color code RGB(5-6-5).
  * @retval None
  */
void LCD_SetBackColor(__IO uint16_t Color)
{
  BackColor = Color;
}

/**
  * @brief  Sets the Text Font.
  * @param  fonts: specifies the font to be used.
  * @retval None
  */
void LCD_SetFont(sFONT *fonts)
{
  LCD_Currentfonts = fonts;
}

/**
  * @brief  Gets the Text Font.
  * @param  None.
  * @retval the used font.
  */
sFONT *LCD_GetFont(void)
{
  return LCD_Currentfonts;
}

/**
  * @brief  Clears the selected line.
  * @param  Line: the Line to be cleared.
  *   This parameter can be one of the following values:
  *     @arg Linex: where x can be 0..n
  * @retval None
  */
void LCD_ClearLine(uint8_t Line)
{
  uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
  /* Send the string character by character on lCD */
  while (((refcolumn + 1)& 0xFFFF) >= LCD_Currentfonts->Width)
  {
    /* Display one character on LCD */
    LCD_DisplayChar(Line, refcolumn, ' ');
    /* Decrement the column position by 16 */
    refcolumn -= LCD_Currentfonts->Width;
  }
}


/**
  * @brief  Clears the hole LCD.
  * @param  Color: the color of the background.
  * @retval None
  */
void LCD_Clear(uint16_t Color)
{
  uint32_t index = 0;
  
  LCD_SetCursor(0x00, 0x013F); 
  LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  for(index = 0; index < 76800; index++)
  {
    LCD_WriteRAM(Color);
  }
  LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); 
  
}


/**
  * @brief  Sets the cursor position.
  * @param  Xpos: specifies the X position.
  * @param  Ypos: specifies the Y position. 
  * @retval None
  */
void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos)
{
 LCD_WriteReg(LCD_REG_32, Xpos);
 LCD_WriteReg(LCD_REG_33, Ypos);
}


/**
  * @brief  Draws a character on LCD.
  * @param  Xpos: the Line where to display the character shape.
  * @param  Ypos: start column address.
  * @param  c: pointer to the character data.
  * @retval None
  */
void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
{
  uint32_t index = 0, i = 0;
  uint8_t Xaddress = 0;
   
  Xaddress = Xpos;
  
  LCD_SetCursor(Xaddress, Ypos);
  
  for(index = 0; index < LCD_Currentfonts->Height; index++)
  {
    LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
    for(i = 0; i < LCD_Currentfonts->Width; i++)
    {
      if((((c[index] & ((0x80 << ((LCD_Currentfonts->Width / 12 ) * 8 ) ) >> i)) == 0x00) &&(LCD_Currentfonts->Width <= 12))||
        (((c[index] & (0x1 << i)) == 0x00)&&(LCD_Currentfonts->Width > 12 )))

      {
        LCD_WriteRAM(BackColor);
      }
      else
      {
        LCD_WriteRAM(TextColor);
      }
    }   
    LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); 
    Xaddress++;
    LCD_SetCursor(Xaddress, Ypos);
  }
}


/**
  * @brief  Displays one character (16dots width, 24dots height).
  * @param  Line: the Line where to display the character shape .
  *   This parameter can be one of the following values:
  *     @arg Linex: where x can be 0..9
  * @param  Column: start column address.
  * @param  Ascii: character ascii code, must be between 0x20 and 0x7E.
  * @retval None
  */
void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii)
{
  Ascii -= 32;
  LCD_DrawChar(Line, Column, &LCD_Currentfonts->table[Ascii * LCD_Currentfonts->Height]);
}


/**
  * @brief  Displays a maximum of 20 char on the LCD.
  * @param  Line: the Line where to display the character shape .
  *   This parameter can be one of the following values:
  *     @arg Linex: where x can be 0..9
  * @param  *ptr: pointer to string to display on LCD.
  * @retval None
  */
void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr)
{
  uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;

  /* Send the string character by character on lCD */
  while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width))
  {
    /* Display one character on LCD */
    LCD_DisplayChar(Line, refcolumn, *ptr);
    /* Decrement the column position by 16 */
    refcolumn -= LCD_Currentfonts->Width;
    /* Point on the next character */
    ptr++;
  }
}


/**
  * @brief  Sets a display window
  * @param  Xpos: specifies the X buttom left position.
  * @param  Ypos: specifies the Y buttom left position.
  * @param  Height: display window height.
  * @param  Width: display window width.
  * @retval None
  */
void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
{ 
  /* Horizontal GRAM Start Address */
  if(Xpos >= Height)
  {
    LCD_WriteReg(LCD_REG_80, (Xpos - Height + 1));
  }
  else
  {
    LCD_WriteReg(LCD_REG_80, 0);
  }
  /* Horizontal GRAM End Address */
  LCD_WriteReg(LCD_REG_81, Xpos);
  /* Vertical GRAM Start Address */
  if(Ypos >= Width)
  {
    LCD_WriteReg(LCD_REG_82, (Ypos - Width + 1));
  }  
  else
  {
    LCD_WriteReg(LCD_REG_82, 0);
  }
  /* Vertical GRAM End Address */