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STM32学习--使用dsp库的FFT函数

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ID:81272 发表于 2015-5-27 18:02 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

完整程序源代码工程文件下载地址： 使用dsp库的FFT函数.rar (425.44 KB, 下载次数: 266)
stm32 dsp lib V2.0库文件下载： stm32 dsp lib V2.0介绍.pdf (233.4 KB, 下载次数: 183)    stm32 dsp lib V2.0.zip (1.36 MB, 下载次数: 172)

  1. /**
  2.   ******************************************************************************
  3.   * @file FFT_Demo/src/main.c
  4.   * @author  MCD Application Team
  5.   * @version  V2.0.0
  6.   * @date  04/27/2017
复制代码





  1. /**
  2.   ******************************************************************************
  3.   * @file FFT_Demo/src/stm3210b_lcd.c
  4.   * @author  MCD Application Team
  5.   * @version  V2.0.0
  6.   * @date  04/27/2009
  7.   * @brief  This file includes the LCD driver for AM-240320LTNQW00H
  8. *                      (LCD_HX8312), AM-240320L8TNQW00H (LCD_ILI9320),
  9. *                      AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal Display
  10. *                      Module of STM3210B-EVAL board.
  11.   ******************************************************************************
  12.   * @copy
  13.   *
  14.   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  15.   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  16.   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  17.   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  18.   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  19.   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  20.   *
  21.   * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
  22.   */


  25. /* Includes ------------------------------------------------------------------*/
  26. #include "stm3210b_lcd.h"
  27. #include "fonts.h"

  29. /** @addtogroup FFT_Demo
  30.   * @{
  31.   */


  34. /* Private typedef -----------------------------------------------------------*/
  35. /* Private define ------------------------------------------------------------*/
  36. #define LCD_ILI9320     0x9320
  37. #define LCD_HX8312      0x8312
  38. #define LCD_SPFD5408    0x5408

  40. #define START_BYTE      0x70
  41. #define SET_INDEX       0x00
  42. #define READ_STATUS     0x01
  43. #define LCD_WRITE_REG   0x02
  44. #define LCD_READ_REG    0x03

  46. /* Private macro -------------------------------------------------------------*/
  47. /* Private variables ---------------------------------------------------------*/
  48.   /* Global variables to set the written text color */
  49. static __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF;
  50. static __IO uint32_t LCDType = LCD_ILI9320;

  52. /* Private function prototypes -----------------------------------------------*/
  53. static void LCD_WriteRegHX8312(uint8_t LCD_Reg, uint8_t LCD_RegValue);
  54. static void LCD_WriteRegILI9320(uint8_t LCD_Reg, uint16_t LCD_RegValue);

  56. /* Private functions ---------------------------------------------------------*/



  60. /**
  61.   * @brief  Setups the LCD.
  62.   * @param  None
  63.   * @retval : None
  64.   */
  65. void LCD_Setup(void)
  66. {
  67. /* Configure the LCD Control pins --------------------------------------------*/
  68.   LCD_CtrlLinesConfig();
  69.   
  70. /* Configure the SPI2 interface ----------------------------------------------*/
  71.   LCD_SPIConfig();

  73.   if(LCDType == LCD_ILI9320)
  74.   {
  75.     Delay(5); /* Delay 50 ms */

  77.     /* Start Initial Sequence ------------------------------------------------*/
  78.     LCD_WriteReg(R229, 0x8000); /* Set the internal vcore voltage */
  79.     LCD_WriteReg(R0,  0x0001); /* Start internal OSC. */
  80.     LCD_WriteReg(R1,  0x0100); /* set SS and SM bit */
  81.     LCD_WriteReg(R2,  0x0700); /* set 1 line inversion */
  82.     LCD_WriteReg(R3,  0x1030); /* set GRAM write direction and BGR=1. */
  83.     LCD_WriteReg(R4,  0x0000); /* Resize register */
  84.     LCD_WriteReg(R8,  0x0202); /* set the back porch and front porch */
  85.     LCD_WriteReg(R9,  0x0000); /* set non-display area refresh cycle ISC[3:0] */
  86.     LCD_WriteReg(R10, 0x0000); /* FMARK function */
  87.     LCD_WriteReg(R12, 0x0000); /* RGB interface setting */
  88.     LCD_WriteReg(R13, 0x0000); /* Frame marker Position */
  89.     LCD_WriteReg(R15, 0x0000); /* RGB interface polarity */

  91.     /* Power On sequence -----------------------------------------------------*/
  92.     LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  93.     LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
  94.     LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
  95.     LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
  96.     Delay(20);                 /* Dis-charge capacitor power voltage (200ms) */
  97.     LCD_WriteReg(R16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  98.     LCD_WriteReg(R17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
  99.     Delay(5);                  /* Delay 50 ms */
  100.     LCD_WriteReg(R18, 0x0139); /* VREG1OUT voltage */
  101.     Delay(5);                  /* Delay 50 ms */
  102.     LCD_WriteReg(R19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
  103.     LCD_WriteReg(R41, 0x0013); /* VCM[4:0] for VCOMH */
  104.     Delay(5);                  /* Delay 50 ms */
  105.     LCD_WriteReg(R32, 0x0000); /* GRAM horizontal Address */
  106.     LCD_WriteReg(R33, 0x0000); /* GRAM Vertical Address */

  108.     /* Adjust the Gamma Curve ------------------------------------------------*/
  109.     LCD_WriteReg(R48, 0x0006);
  110.     LCD_WriteReg(R49, 0x0101);
  111.     LCD_WriteReg(R50, 0x0003);
  112.     LCD_WriteReg(R53, 0x0106);
  113.     LCD_WriteReg(R54, 0x0b02);
  114.     LCD_WriteReg(R55, 0x0302);
  115.     LCD_WriteReg(R56, 0x0707);
  116.     LCD_WriteReg(R57, 0x0007);
  117.     LCD_WriteReg(R60, 0x0600);
  118.     LCD_WriteReg(R61, 0x020b);
  119.   
  120.     /* Set GRAM area ---------------------------------------------------------*/
  121.     LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
  122.     LCD_WriteReg(R81, 0x00EF); /* Horizontal GRAM End Address */
  123.     LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
  124.     LCD_WriteReg(R83, 0x013F); /* Vertical GRAM End Address */

  126.     LCD_WriteReg(R96,  0x2700); /* Gate Scan Line */
  127.     LCD_WriteReg(R97,  0x0001); /* NDL,VLE, REV */
  128.     LCD_WriteReg(R106, 0x0000); /* set scrolling line */

  130.     /* Partial Display Control -----------------------------------------------*/
  131.     LCD_WriteReg(R128, 0x0000);
  132.     LCD_WriteReg(R129, 0x0000);
  133.     LCD_WriteReg(R130, 0x0000);
  134.     LCD_WriteReg(R131, 0x0000);
  135.     LCD_WriteReg(R132, 0x0000);
  136.     LCD_WriteReg(R133, 0x0000);

  138.     /* Panel Control ---------------------------------------------------------*/
  139.     LCD_WriteReg(R144, 0x0010);
  140.     LCD_WriteReg(R146, 0x0000);
  141.     LCD_WriteReg(R147, 0x0003);
  142.     LCD_WriteReg(R149, 0x0110);
  143.     LCD_WriteReg(R151, 0x0000);
  144.     LCD_WriteReg(R152, 0x0000);

  146.     /* Set GRAM write direction and BGR = 1 */
  147.     /* I/D=01 (Horizontal : increment, Vertical : decrement) */
  148.     /* AM=1 (address is updated in vertical writing direction) */
  149.     LCD_WriteReg(R3, 0x1018);

  151.     LCD_WriteReg(R7, 0x0173); /* 262K color and display ON */
  152.   }
  153.   else if(LCDType == LCD_SPFD5408)
  154.   {   
  155.     /* Start Initial Sequence --------------------------------------------------*/
  156.     LCD_WriteReg(R227, 0x3008); /* Set internal timing */
  157.     LCD_WriteReg(R231, 0x0012); /* Set internal timing */
  158.     LCD_WriteReg(R239, 0x1231); /* Set internal timing */
  159.     LCD_WriteReg(R1, 0x0100);   /* Set SS and SM bit */
  160.     LCD_WriteReg(R2, 0x0700);   /* Set 1 line inversion */
  161.     LCD_WriteReg(R3, 0x1030);   /* Set GRAM write direction and BGR=1. */
  162.     LCD_WriteReg(R4, 0x0000);   /* Resize register */

  164.     LCD_WriteReg(R8, 0x0202);   /* Set the back porch and front porch */
  165.     LCD_WriteReg(R9, 0x0000);   /* Set non-display area refresh cycle ISC[3:0] */
  166.     LCD_WriteReg(R10, 0x0000);  /* FMARK function */
  167.     LCD_WriteReg(R12, 0x0000);  /* RGB interface setting */
  168.     LCD_WriteReg(R13, 0x0000);  /* Frame marker Position */
  169.     LCD_WriteReg(R15, 0x0000);  /* RGB interface polarity */

  171.     /* Power On sequence -------------------------------------------------------*/
  172.     LCD_WriteReg(R16, 0x0000);  /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  173.     LCD_WriteReg(R17, 0x0000);  /* DC1[2:0], DC0[2:0], VC[2:0] */
  174.     LCD_WriteReg(R18, 0x0000);  /* VREG1OUT voltage */
  175.     LCD_WriteReg(R19, 0x0000);  /* VDV[4:0] for VCOM amplitude */
  176.     Delay(20);                  /* Dis-charge capacitor power voltage (200ms) */  
  177.     LCD_WriteReg(R17, 0x0007);        /* DC1[2:0], DC0[2:0], VC[2:0] */
  178.     Delay(5);                   /* Delay 50 ms */
  179.     LCD_WriteReg(R16, 0x12B0);        /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  180.     Delay(5);                        /* Delay 50 ms */
  181.     LCD_WriteReg(R18, 0x01BD);  /* External reference voltage= Vci */
  182.     Delay(5);                   /* Delay 50 ms */
  183.     LCD_WriteReg(R19, 0x1400);  /* VDV[4:0] for VCOM amplitude */
  184.     LCD_WriteReg(R41, 0x000E);  /* VCM[4:0] for VCOMH */
  185.     Delay(5);                   /* Delay 50 ms */
  186.     LCD_WriteReg(R32, 0x0000);  /* GRAM horizontal Address */
  187.     LCD_WriteReg(R33, 0x013F);  /* GRAM Vertical Address */

  189.     /* Adjust the Gamma Curve --------------------------------------------------*/
  190.     LCD_WriteReg(R48, 0x0007);
  191.     LCD_WriteReg(R49, 0x0302);
  192.     LCD_WriteReg(R50, 0x0105);
  193.     LCD_WriteReg(R53, 0x0206);
  194.     LCD_WriteReg(R54, 0x0808);
  195.     LCD_WriteReg(R55, 0x0206);
  196.     LCD_WriteReg(R56, 0x0504);
  197.     LCD_WriteReg(R57, 0x0007);
  198.     LCD_WriteReg(R60, 0x0105);
  199.     LCD_WriteReg(R61, 0x0808);

  201.     /* Set GRAM area -----------------------------------------------------------*/
  202.     LCD_WriteReg(R80, 0x0000);  /* Horizontal GRAM Start Address */
  203.     LCD_WriteReg(R81, 0x00EF);  /* Horizontal GRAM End Address */
  204.     LCD_WriteReg(R82, 0x0000);  /* Vertical GRAM Start Address */
  205.     LCD_WriteReg(R83, 0x013F);  /* Vertical GRAM End Address */

  207.     LCD_WriteReg(R96,  0xA700); /* Gate Scan Line */
  208.     LCD_WriteReg(R97,  0x0001); /* NDL,VLE, REV */
  209.     LCD_WriteReg(R106, 0x0000); /* Set scrolling line */

  211.     /* Partial Display Control -------------------------------------------------*/
  212.     LCD_WriteReg(R128, 0x0000);
  213.     LCD_WriteReg(R129, 0x0000);
  214.     LCD_WriteReg(R130, 0x0000);
  215.     LCD_WriteReg(R131, 0x0000);
  216.     LCD_WriteReg(R132, 0x0000);
  217.     LCD_WriteReg(R133, 0x0000);

  219.     /* Panel Control -----------------------------------------------------------*/
  220.     LCD_WriteReg(R144, 0x0010);
  221.     LCD_WriteReg(R146, 0x0000);
  222.     LCD_WriteReg(R147, 0x0003);
  223.     LCD_WriteReg(R149, 0x0110);
  224.     LCD_WriteReg(R151, 0x0000);
  225.     LCD_WriteReg(R152, 0x0000);

  227.     /* Set GRAM write direction and BGR = 1
  228.        I/D=01 (Horizontal : increment, Vertical : decrement)
  229.        AM=1 (address is updated in vertical writing direction) */
  230.     LCD_WriteReg(R3, 0x1018);

  232.     LCD_WriteReg(R7, 0x0112);   /* 262K color and display ON */
  233.   }
  234.   else if(LCDType == LCD_HX8312)
  235.   {
  236.     /* Enable the LCD Oscillator ---------------------------------------------*/
  237.     LCD_WriteReg(R1, 0x10);
  238.     LCD_WriteReg(R0, 0xA0);
  239.     LCD_WriteReg(R3, 0x01);
  240.     Delay(1); /* Delay 10 ms */
  241.     LCD_WriteReg(R3, 0x00);
  242.     LCD_WriteReg(R43, 0x04);
  243.   
  244.     LCD_WriteReg(R40, 0x18);
  245.     LCD_WriteReg(R26, 0x05);
  246.     LCD_WriteReg(R37, 0x05);
  247.     LCD_WriteReg(R25, 0x00);
  248.    
  249.     /* LCD Power On ----------------------------------------------------------*/
  250.     LCD_WriteReg(R28, 0x73);
  251.     LCD_WriteReg(R36, 0x74);
  252.     LCD_WriteReg(R30, 0x01);
  253.     LCD_WriteReg(R24, 0xC1);
  254.     Delay(1); /* Delay 10 ms */
  255.     LCD_WriteReg(R24, 0xE1);
  256.     LCD_WriteReg(R24, 0xF1);
  257.     Delay(6); /* Delay 60 ms */
  258.     LCD_WriteReg(R24, 0xF5);
  259.     Delay(6); /* Delay 60 ms */
  260.     LCD_WriteReg(R27, 0x09);
  261.     Delay(1); /* Delay 10 ms */
  262.     LCD_WriteReg(R31, 0x11);
  263.     LCD_WriteReg(R32, 0x0E);
  264.     LCD_WriteReg(R30, 0x81);
  265.     Delay(1); /* Delay 10 ms */
  266.    
  267.     /* Chip Set --------------------------------------------------------------*/
  268.     LCD_WriteReg(R157, 0x00);
  269.     LCD_WriteReg(R192, 0x00);
  270.    
  271.     LCD_WriteReg(R14, 0x00);
  272.     LCD_WriteReg(R15, 0x00);
  273.     LCD_WriteReg(R16, 0x00);
  274.     LCD_WriteReg(R17, 0x00);
  275.     LCD_WriteReg(R18, 0x00);
  276.     LCD_WriteReg(R19, 0x00);
  277.     LCD_WriteReg(R20, 0x00);
  278.     LCD_WriteReg(R21, 0x00);
  279.     LCD_WriteReg(R22, 0x00);
  280.     LCD_WriteReg(R23, 0x00);
  281.    
  282.     LCD_WriteReg(R52, 0x01);
  283.     LCD_WriteReg(R53, 0x00);

  285.     LCD_WriteReg(R75, 0x00);
  286.     LCD_WriteReg(R76, 0x00);
  287.     LCD_WriteReg(R78, 0x00);
  288.     LCD_WriteReg(R79, 0x00);
  289.     LCD_WriteReg(R80, 0x00);
  290.   
  291.     LCD_WriteReg(R60, 0x00);
  292.     LCD_WriteReg(R61, 0x00);
  293.     LCD_WriteReg(R62, 0x01);
  294.     LCD_WriteReg(R63, 0x3F);
  295.     LCD_WriteReg(R64, 0x02);
  296.     LCD_WriteReg(R65, 0x02);
  297.     LCD_WriteReg(R66, 0x00);
  298.     LCD_WriteReg(R67, 0x00);
  299.     LCD_WriteReg(R68, 0x00);
  300.     LCD_WriteReg(R69, 0x00);
  301.     LCD_WriteReg(R70, 0xEF);
  302.     LCD_WriteReg(R71, 0x00);
  303.     LCD_WriteReg(R72, 0x00);
  304.     LCD_WriteReg(R73, 0x01);
  305.     LCD_WriteReg(R74, 0x3F);
  306.   
  307.     LCD_WriteReg(R29, 0x08);  /* R29:Gate scan direction setting */
  308.   
  309.     LCD_WriteReg(R134, 0x00);
  310.     LCD_WriteReg(R135, 0x30);
  311.     LCD_WriteReg(R136, 0x02);
  312.     LCD_WriteReg(R137, 0x05);
  313.   
  314.     LCD_WriteReg(R141, 0x01);  /* R141:Register set-up mode for one line clock */
  315.     LCD_WriteReg(R139, 0x20);  /* R139:One line SYSCLK number in one-line */
  316.     LCD_WriteReg(R51, 0x01);  /* R51:N line inversion setting */
  317.     LCD_WriteReg(R55, 0x01);  /* R55:Scanning method setting */
  318.     LCD_WriteReg(R118, 0x00);
  319.    
  320.     /* Gamma Set -------------------------------------------------------------*/
  321.     LCD_WriteReg(R143, 0x10);
  322.     LCD_WriteReg(R144, 0x67);
  323.     LCD_WriteReg(R145, 0x07);
  324.     LCD_WriteReg(R146, 0x65);
  325.     LCD_WriteReg(R147, 0x07);
  326.     LCD_WriteReg(R148, 0x01);
  327.     LCD_WriteReg(R149, 0x76);
  328.     LCD_WriteReg(R150, 0x56);
  329.     LCD_WriteReg(R151, 0x00);
  330.     LCD_WriteReg(R152, 0x06);
  331.     LCD_WriteReg(R153, 0x03);
  332.     LCD_WriteReg(R154, 0x00);
  333.   
  334.     /* Display On ------------------------------------------------------------*/
  335.     LCD_WriteReg(R1, 0x50);
  336.     LCD_WriteReg(R5, 0x04);

  338.     LCD_WriteReg(R0, 0x80);
  339.     LCD_WriteReg(R59, 0x01);
  340.     Delay(4);  /* Delay 40 ms */
  341.     LCD_WriteReg(R0, 0x20);
  342.   }  
  343. }



  347. /**
  348.   * @brief  Initializes the LCD.
  349.   * @param  None
  350.   * @retval : None
  351.   */
  352. void STM3210B_LCD_Init(void)
  353. {
  354.   /* Setups the LCD */
  355.   LCD_Setup();

  357.   /* Try to read new LCD controller ID 0x9320 */
  358.   if (LCD_ReadReg(R0) == LCD_ILI9320)
  359.   {
  360.     LCDType = LCD_ILI9320;
  361.   }
  362.   else
  363.   {
  364.     LCDType = LCD_SPFD5408;

  366.     /* Setups the LCD */
  367.     LCD_Setup();

  369.     /* Try to read new LCD controller ID 0x5408 */
  370.     if (LCD_ReadReg(R0) != LCD_SPFD5408)
  371.     {
  372.       LCDType = LCD_HX8312;
  373.       /* Setups the LCD */
  374.       LCD_Setup();
  375.     }
  376.   }
  377. }



  381. /**
  382.   * @brief  Sets the Text color.
  383.   * @param Color: specifies the Text color code RGB(5-6-5).
  384.   *   and LCD_DrawPicture functions.
  385.   * @retval : None
  386.   */
  387. void LCD_SetTextColor(__IO uint16_t Color)
  388. {
  389.   TextColor = Color;
  390. }



  394. /**
  395.   * @brief  Sets the Background color.
  396.   * @param Color: specifies the Background color code RGB(5-6-5).
  397.   *   LCD_DrawChar and LCD_DrawPicture functions.
  398.   * @retval : None
  399.   */
  400. void LCD_SetBackColor(__IO uint16_t Color)
  401. {
  402.   BackColor = Color;
  403. }



  407. /**
  408.   * @brief  Clears the selected line.
  409.   * @param Line: the Line to be cleared.
  410.   *   This parameter can be one of the following values:
  411.   * @arg Linex: where x can be 0..9
  412.   * @retval : None
  413.   */
  414. void LCD_ClearLine(uint8_t Line)
  415. {
  416.   LCD_DisplayStringLine(Line, "                    ");
  417. }



  421. /**
  422.   * @brief  Clears the hole LCD.
  423.   * @param lor: the color of the background.
  424.   * @retval : None
  425.   */
  426. void LCD_Clear(uint16_t Color)
  427. {
  428.   uint32_t index = 0;
  429.   
  430.   LCD_SetCursor(0x00, 0x013F);

  432.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  433.   {
  434.     LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  435.   }

  437.   for(index = 0; index < 76800; index++)
  438.   {
  439.     LCD_WriteRAM(Color);
  440.   }

  442.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  443.   {
  444.     LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  445.   }  
  446. }



  450. /**
  451.   * @brief  Sets the cursor position.
  452.   * @param Xpos: specifies the X position.
  453.   * @param Ypos: specifies the Y position.
  454.   * @retval : None
  455.   */
  456. void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos)
  457. {
  458.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  459.   {
  460.     LCD_WriteReg(R32, Xpos);
  461.     LCD_WriteReg(R33, Ypos);
  462.   }
  463.   else if(LCDType == LCD_HX8312)
  464.   {
  465.     LCD_WriteReg(R66, Xpos);
  466.     LCD_WriteReg(R67, ((Ypos & 0x100)>> 8));
  467.     LCD_WriteReg(R68, (Ypos & 0xFF));
  468.   }
  469. }



  473. /**
  474.   * @brief  Draws a character on LCD.
  475.   * @param Xpos: the Line where to display the character shape.
  476.   *   This parameter can be one of the following values:
  477.   * @param Linex: where x can be 0..9
  478.   * @param Ypos: start column address.
  479.   * @param c: pointer to the character data.
  480.   * @retval : None
  481.   */
  482. void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
  483. {
  484.   uint32_t index = 0, i = 0;
  485.   uint8_t Xaddress = 0;
  486.    
  487.   Xaddress = Xpos;
  488.   
  489.   LCD_SetCursor(Xaddress, Ypos);
  490.   
  491.   for(index = 0; index < 24; index++)
  492.   {
  493.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  494.     {
  495.       LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  496.     }
  497.     for(i = 0; i < 16; i++)
  498.     {
  499.       if((c[index] & (1 << i)) == 0x00)
  500.       {
  501.         LCD_WriteRAM(BackColor);
  502.       }
  503.       else
  504.       {
  505.         LCD_WriteRAM(TextColor);
  506.       }
  507.     }
  508.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  509.     {
  510.       LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  511.     }  
  512.     Xaddress++;
  513.     LCD_SetCursor(Xaddress, Ypos);
  514.   }
  515. }



  519. /**
  520.   * @brief  Displays one character (16dots width, 24dots height).
  521.   * @param Line: the Line where to display the character shape .
  522.   *   This parameter can be one of the following values:
  523.   * @arg Linex: where x can be 0..9
  524.   * @param Column: start column address.
  525.   * @param Ascii: character ascii code, must be between 0x20 and 0x7E.
  526.   * @retval : None
  527.   */
  528. void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii)
  529. {
  530.   Ascii -= 32;
  531.   LCD_DrawChar(Line, Column, &ASCII_Table[Ascii * 24]);
  532. }



  536. /**
  537.   * @brief  Displays a maximum of 20 char on the LCD.
  538.   * @param Line: the Line where to display the character shape .
  539.   *   This parameter can be one of the following values:
  540.   * @arg Linex: where x can be 0..9
  541.   * @param *ptr: pointer to string to display on LCD.
  542.   * @retval : None
  543.   */
  544. void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr)
  545. {
  546.   uint32_t i = 0;
  547.   uint16_t refcolumn = 319;

  549.   /* Send the string character by character on lCD */
  550.   while ((*ptr != 0) & (i < 20))
  551.   {
  552.     /* Display one character on LCD */
  553.     LCD_DisplayChar(Line, refcolumn, *ptr);
  554.     /* Decrement the column position by 16 */
  555.     refcolumn -= 16;
  556.     /* Point on the next character */
  557.     ptr++;
  558.     /* Increment the character counter */
  559.     i++;
  560.   }
  561. }



  565. /**
  566.   * @brief  Sets a display window
  567.   * @param Xpos: specifies the X buttom left position.
  568.   * @param Ypos: specifies the Y buttom left position.
  569.   * @param Height: display window height.
  570.   * @param Width: display window width.
  571.   * @retval : None
  572.   */
  573. void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
  574. {
  575.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  576.   {
  577.     /* Horizontal GRAM Start Address */
  578.     if(Xpos >= Height)
  579.     {
  580.       LCD_WriteReg(R80, (Xpos - Height + 1));
  581.     }
  582.     else
  583.     {
  584.       LCD_WriteReg(R80, 0);
  585.     }
  586.     /* Horizontal GRAM End Address */
  587.     LCD_WriteReg(R81, Xpos);
  588.     /* Vertical GRAM Start Address */
  589.     if(Ypos >= Width)
  590.     {
  591.       LCD_WriteReg(R82, (Ypos - Width + 1));
  592.     }  
  593.     else
  594.     {
  595.       LCD_WriteReg(R82, 0);
  596.     }
  597.     /* Vertical GRAM End Address */
  598.     LCD_WriteReg(R83, Ypos);
  599.   }
  600.   else if(LCDType == LCD_HX8312)
  601.   {  
  602.     LCD_WriteReg(R1, 0xD0);
  603.     LCD_WriteReg(R5, 0x14);
  604.   
  605.     LCD_WriteReg(R69, (Xpos - Height + 1));
  606.     LCD_WriteReg(R70, Xpos);

  608.     LCD_WriteReg(R71, (((Ypos - Width + 1) & 0x100)>> 8));
  609.     LCD_WriteReg(R72, ((Ypos - Width + 1) & 0xFF));

  611.     LCD_WriteReg(R73, ((Ypos & 0x100)>> 8));
  612.     LCD_WriteReg(R74, (Ypos & 0xFF));
  613.   }

  615.   LCD_SetCursor(Xpos, Ypos);
  616. }



  620. /**
  621.   * @brief  Disables LCD Window mode.
  622.   * @param  None
  623.   * @retval : None
  624.   */
  625. void LCD_WindowModeDisable(void)
  626. {
  627.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  628.   {
  629.     LCD_SetDisplayWindow(239, 0x13F, 240, 320);
  630.     LCD_WriteReg(R3, 0x1018);
  631.   }
  632.   else if(LCDType == LCD_HX8312)
  633.   {
  634.     LCD_WriteReg(R1, 0x50);
  635.     LCD_WriteReg(R5, 0x04);
  636.   }
  637.    
  638. }


  641. /**
  642.   * @brief  Displays a line.
  643.   * @param Xpos: specifies the X position.
  644.   * @param Ypos: specifies the Y position.
  645.   * @param Length: line length.
  646.   * @param Direction: line direction.
  647.   *   This parameter can be one of the following values: Vertical
  648.   *   or Horizontal.
  649.   * @retval : None
  650.   */
  651. void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction)
  652. {
  653.   uint32_t i = 0;
  654.   
  655.   LCD_SetCursor(Xpos, Ypos);

  657.   if(Direction == Horizontal)
  658.   {
  659.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  660.     {
  661.       LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  662.     }
  663.     for(i = 0; i < Length; i++)
  664.     {
  665.       LCD_WriteRAM(TextColor);
  666.     }
  667.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  668.     {
  669.       LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  670.     }
  671.   }
  672.   else
  673.   {
  674.    for(i = 0; i < Length; i++)
  675.     {
  676.       if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  677.       {
  678.         LCD_WriteRAMWord(TextColor);
  679.       }
  680.       else  if(LCDType == LCD_HX8312)
  681.       {
  682.         LCD_WriteRAM(TextColor);
  683.       }
  684.       Xpos++;
  685.       LCD_SetCursor(Xpos, Ypos);
  686.     }
  687.   }
  688. }



  692. /**
  693.   * @brief  Displays a rectangle.
  694.   * @param Xpos: specifies the X position.
  695.   * @param Ypos: specifies the Y position.
  696.   * @param Height: display rectangle height.
  697.   * @param Width: display rectangle width.
  698.   * @retval : None
  699.   */
  700. void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
  701. {
  702.   LCD_DrawLine(Xpos, Ypos, Width, Horizontal);
  703.   LCD_DrawLine((Xpos + Height), Ypos, Width, Horizontal);
  704.   
  705.   LCD_DrawLine(Xpos, Ypos, Height, Vertical);
  706.   LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, Vertical);
  707. }



  711. /**
  712.   * @brief  Displays a circle.
  713.   * @param Xpos: specifies the X position.
  714.   * @param Ypos: specifies the Y position.
  715.   * @param Height: display rectangle height.
  716.   * @param Width: display rectangle width.
  717.   * @retval : None
  718.   */
  719. void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius)
  720. {
  721.   int32_t  D;/* Decision Variable */
  722.   uint32_t  CurX;/* Current X Value */
  723.   uint32_t  CurY;/* Current Y Value */
  724.   
  725.   D = 3 - (Radius << 1);
  726.   CurX = 0;
  727.   CurY = Radius;
  728.   
  729.   while (CurX <= CurY)
  730.   {
  731.     LCD_SetCursor(Xpos + CurX, Ypos + CurY);
  732.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  733.     {
  734.       LCD_WriteRAMWord(TextColor);
  735.     }
  736.     else if(LCDType == LCD_HX8312)
  737.     {
  738.       LCD_WriteRAM(TextColor);
  739.     }
  740.     LCD_SetCursor(Xpos + CurX, Ypos - CurY);
  741.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  742.     {
  743.       LCD_WriteRAMWord(TextColor);
  744.     }
  745.     else if(LCDType == LCD_HX8312)
  746.     {
  747.       LCD_WriteRAM(TextColor);
  748.     }
  749.     LCD_SetCursor(Xpos - CurX, Ypos + CurY);
  750.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  751.     {
  752.       LCD_WriteRAMWord(TextColor);
  753.     }
  754.     else if(LCDType == LCD_HX8312)
  755.     {
  756.       LCD_WriteRAM(TextColor);
  757.     }
  758.     LCD_SetCursor(Xpos - CurX, Ypos - CurY);
  759.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  760.     {
  761.       LCD_WriteRAMWord(TextColor);
  762.     }
  763.     else if(LCDType == LCD_HX8312)
  764.     {
  765.       LCD_WriteRAM(TextColor);
  766.     }
  767.     LCD_SetCursor(Xpos + CurY, Ypos + CurX);
  768.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  769.     {
  770.       LCD_WriteRAMWord(TextColor);
  771.     }
  772.     else if(LCDType == LCD_HX8312)
  773.     {
  774.       LCD_WriteRAM(TextColor);
  775.     }
  776.     LCD_SetCursor(Xpos + CurY, Ypos - CurX);
  777.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  778.     {
  779.       LCD_WriteRAMWord(TextColor);
  780.     }
  781.     else if(LCDType == LCD_HX8312)
  782.     {
  783.       LCD_WriteRAM(TextColor);
  784.     }
  785.     LCD_SetCursor(Xpos - CurY, Ypos + CurX);
  786.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  787.     {
  788.       LCD_WriteRAMWord(TextColor);
  789.     }
  790.     else if(LCDType == LCD_HX8312)
  791.     {
  792.       LCD_WriteRAM(TextColor);
  793.     }
  794.     LCD_SetCursor(Xpos - CurY, Ypos - CurX);
  795.     if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  796.     {
  797.       LCD_WriteRAMWord(TextColor);
  798.     }
  799.     else if(LCDType == LCD_HX8312)
  800.     {
  801.       LCD_WriteRAM(TextColor);
  802.     }

  804.     if (D < 0)
  805.     {
  806.       D += (CurX << 2) + 6;
  807.     }
  808.     else
  809.     {
  810.       D += ((CurX - CurY) << 2) + 10;
  811.       CurY--;
  812.     }
  813.     CurX++;
  814.   }
  815. }



  819. /**
  820.   * @brief  Displays a monocolor picture.
  821.   * @param Pict: pointer to the picture array.
  822.   * @retval : None
  823.   */
  824. void LCD_DrawMonoPict(const uint32_t *Pict)
  825. {
  826.   uint32_t index = 0, i = 0;

  828.   LCD_SetCursor(0, 319);
  829.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  830.   {
  831.     LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  832.   }
  833.   for(index = 0; index < 2400; index++)
  834.   {
  835.     for(i = 0; i < 32; i++)
  836.     {
  837.       if((Pict[index] & (1 << i)) == 0x00)
  838.       {
  839.         LCD_WriteRAM(BackColor);
  840.       }
  841.       else
  842.       {
  843.         LCD_WriteRAM(TextColor);
  844.       }
  845.     }
  846.   }
  847.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  848.   {
  849.     LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  850.   }
  851. }



  855. /**
  856.   * @brief  Reset LCD control line(/CS) and Send Start-Byte
  857.   * @param Start_Byte: the Start-Byte to be sent
  858.   * @retval : None
  859.   */
  860. void LCD_nCS_StartByte(uint8_t Start_Byte)
  861. {
  862.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_RESET);

  864.   SPI_I2S_SendData(SPI2, Start_Byte);

  866.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  867.   {
  868.   }
  869. }



  873. /**
  874.   * @brief  Writes index to select the LCD register.
  875.   * @param LCD_Reg: address of the selected register.
  876.   * @retval : None
  877.   */
  878. void LCD_WriteRegIndex(uint8_t LCD_Reg)
  879. {
  880.   /* Reset LCD control line(/CS) and Send Start-Byte */
  881.   LCD_nCS_StartByte(START_BYTE | SET_INDEX);

  883.   /* Write 16-bit Reg Index (High Byte is 0) */
  884.   SPI_I2S_SendData(SPI2, 0x00);

  886.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  887.   {
  888.   }

  890.   SPI_I2S_SendData(SPI2, LCD_Reg);

  892.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  893.   {
  894.   }

  896.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  897. }



  901. /**
  902.   * @brief  Writes to the selected LCD ILI9320 register.
  903.   * @param LCD_Reg: address of the selected register.
  904.   * @arg LCD_RegValue: value to write to the selected register.
  905.   * @retval : None
  906.   */
  907. static void LCD_WriteRegILI9320(uint8_t LCD_Reg, uint16_t LCD_RegValue)
  908. {
  909.   /* Write 16-bit Index (then Write Reg) */
  910.   LCD_WriteRegIndex(LCD_Reg);

  912.   /* Write 16-bit Reg */
  913.   /* Reset LCD control line(/CS) and Send Start-Byte */
  914.   LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);

  916.   SPI_I2S_SendData(SPI2, LCD_RegValue>>8);
  917.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  918.   {
  919.   }
  920.   SPI_I2S_SendData(SPI2, (LCD_RegValue & 0xFF));
  921.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  922.   {
  923.   }

  925.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  926. }



  930. /**
  931.   * @brief  Reads the selected LCD Register.
  932.   * @param  None
  933.   * @retval : LCD Register Value.
  934.   */
  935. uint16_t LCD_ReadReg(uint8_t LCD_Reg)
  936. {
  937.   uint16_t tmp = 0;
  938.   uint8_t i = 0;
  939.   
  940.   /* SPI2 prescaler: 4 */
  941.   SPI2->CR1 &= 0xFFC7;
  942.   SPI2->CR1 |= 0x0008;

  944.   /* Write 16-bit Index (then Read Reg) */
  945.   LCD_WriteRegIndex(LCD_Reg);

  947.   /* Read 16-bit Reg */
  948.   /* Reset LCD control line(/CS) and Send Start-Byte */
  949.   LCD_nCS_StartByte(START_BYTE | LCD_READ_REG);
  950.   
  951.   for(i = 0; i < 5; i++)
  952.   {
  953.     SPI_I2S_SendData(SPI2, 0xFF);
  954.     while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  955.     {
  956.     }
  957.     /* One byte of invalid dummy data read after the start byte */
  958.     while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
  959.     {   
  960.     }
  961.     SPI_I2S_ReceiveData(SPI2);
  962.   }

  964.   SPI_I2S_SendData(SPI2, 0xFF);
  965.   /* Read upper byte */
  966.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  967.   {
  968.   }
  969.   /* Read lower byte */
  970.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
  971.   {
  972.   }
  973.   tmp = SPI_I2S_ReceiveData(SPI2);
  974.   
  975.   
  976.   SPI_I2S_SendData(SPI2, 0xFF);
  977.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  978.   {
  979.   }
  980.   /* Read lower byte */
  981.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
  982.   {
  983.   }
  984.   tmp = ((tmp & 0xFF) << 8) | SPI_I2S_ReceiveData(SPI2);

  986.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);

  988.   /* SPI2 prescaler: 2 */
  989.   SPI2->CR1 &= 0xFFC7;

  991.   return tmp;
  992. }



  996. /**
  997.   * @brief  Prepare to write to the LCD RAM.
  998.   * @param  None
  999.   * @retval : None
  1000.   */
  1001. void LCD_WriteRAM_Prepare(void)
  1002. {
  1003.   LCD_WriteRegIndex(R34); /* Select GRAM Reg */

  1005.   /* Reset LCD control line(/CS) and Send Start-Byte */
  1006.   LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
  1007. }



  1011. /**
  1012.   * @brief  Writes 1 word to the LCD RAM.
  1013.   * @param RGB_Code: the pixel color in RGB mode (5-6-5).
  1014.   * @retval : None
  1015.   */
  1016. void LCD_WriteRAMWord(uint16_t RGB_Code)
  1017. {
  1018.   LCD_WriteRAM_Prepare();

  1020.   LCD_WriteRAM(RGB_Code);

  1022.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  1023. }



  1027. /**
  1028.   * @brief  Writes to the selected LCD HX8312 register.
  1029.   * @param LCD_Reg: address of the selected register.
  1030.   * @arg LCD_RegValue: value to write to the selected register.
  1031.   * @retval : None
  1032.   */
  1033. static void LCD_WriteRegHX8312(uint8_t LCD_Reg, uint8_t LCD_RegValue)
  1034. {
  1035.   uint16_t tmp = 0;
  1036.   
  1037.   LCD_CtrlLinesWrite(GPIOD, CtrlPin_NWR, Bit_RESET);
  1038.   LCD_CtrlLinesWrite(GPIOD, CtrlPin_RS, Bit_RESET);
  1039.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_RESET);
  1040.   
  1041.   tmp = LCD_Reg << 8;
  1042.   tmp |= LCD_RegValue;

  1044.   SPI_I2S_SendData(SPI2, tmp);
  1045.   while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  1046.   {
  1047.   }
  1048.   
  1049.   LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  1050. }



  1054. /**
  1055.   * @brief  Writes to the selected LCD register.
  1056.   * @param LCD_Reg: address of the selected register.
  1057.   * @arg LCD_RegValue: value to write to the selected register.
  1058.   * @retval : None
  1059.   */
  1060. void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
  1061. {
  1062.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1063.   {
  1064.     LCD_WriteRegILI9320(LCD_Reg, LCD_RegValue);
  1065.   }
  1066.   else if(LCDType == LCD_HX8312)
  1067.   {
  1068.     LCD_WriteRegHX8312(LCD_Reg, ((uint8_t)LCD_RegValue));
  1069.   }
  1070. }




  1075. /**
  1076.   * @brief  Writes to the LCD RAM.
  1077.   * @param RGB_Code: the pixel color in RGB mode (5-6-5).
  1078.   * @retval : None
  1079.   */
  1080. void LCD_WriteRAM(uint16_t RGB_Code)
  1081. {
  1082.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1083.   {
  1084.     SPI_I2S_SendData(SPI2, RGB_Code >> 8);
  1085.     while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  1086.     {
  1087.     }
  1088.     SPI_I2S_SendData(SPI2, RGB_Code & 0xFF);
  1089.     while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  1090.     {
  1091.     }
  1092.   }
  1093.   if(LCDType == LCD_HX8312)
  1094.   {
  1095.     LCD_CtrlLinesWrite(GPIOD, CtrlPin_NWR, Bit_RESET);
  1096.     LCD_CtrlLinesWrite(GPIOD, CtrlPin_RS, Bit_SET);
  1097.     LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_RESET);

  1099.     SPI_I2S_SendData(SPI2, RGB_Code);
  1100.     while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) != RESET)
  1101.     {
  1102.     }
  1103.   
  1104.     LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
  1105.   }
  1106. }



  1110. /**
  1111.   * @brief  Power on the LCD.
  1112.   * @param  None
  1113.   * @retval : None
  1114.   */
  1115. void LCD_PowerOn(void)
  1116. {
  1117.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1118.   {
  1119.     /* Power On sequence ---------------------------------------------------------*/
  1120.     LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  1121.     LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
  1122.     LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
  1123.     LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
  1124.     Delay(20);                 /* Dis-charge capacitor power voltage (200ms) */
  1125.     LCD_WriteReg(R16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
  1126.     LCD_WriteReg(R17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
  1127.     Delay(5);                  /* Delay 50 ms */
  1128.     LCD_WriteReg(R18, 0x0139); /* VREG1OUT voltage */
  1129.     Delay(5);                  /* delay 50 ms */
  1130.     LCD_WriteReg(R19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
  1131.     LCD_WriteReg(R41, 0x0013); /* VCM[4:0] for VCOMH */
  1132.     Delay(5);                  /* delay 50 ms */
  1133.     LCD_WriteReg(R7, 0x0173);  /* 262K color and display ON */
  1134.   }
  1135.   else if(LCDType == LCD_HX8312)
  1136.   {  
  1137.     /* Power On Set */
  1138.     LCD_WriteReg(R28, 0x73);
  1139.     LCD_WriteReg(R36, 0x74);
  1140.     LCD_WriteReg(R30, 0x01);
  1141.     LCD_WriteReg(R24, 0xC1);
  1142.     Delay(1); /* Delay 10 ms */
  1143.     LCD_WriteReg(R24, 0xE1);
  1144.     LCD_WriteReg(R24, 0xF1);
  1145.     Delay(6); /* Delay 60 ms */
  1146.     LCD_WriteReg(R24, 0xF5);
  1147.     Delay(6); /* Delay 60 ms */
  1148.     LCD_WriteReg(R27, 0x09);
  1149.     Delay(1); /* Delay 10 ms */
  1150.     LCD_WriteReg(R31, 0x11);
  1151.     LCD_WriteReg(R32, 0x0E);
  1152.     LCD_WriteReg(R30, 0x81);
  1153.     Delay(1); /* Delay 10 ms */
  1154.   }
  1155. }



  1159. /**
  1160.   * @brief  Enables the Display.
  1161.   * @param  None
  1162.   * @retval : None
  1163.   */
  1164. void LCD_DisplayOn(void)
  1165. {
  1166.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1167.   {
  1168.     /* Display On */
  1169.     LCD_WriteReg(R7, 0x0173); /* 262K color and display ON */
  1170.   }
  1171.   else if(LCDType == LCD_HX8312)
  1172.   {  
  1173.     LCD_WriteReg(R1, 0x50);
  1174.     LCD_WriteReg(R5, 0x04);

  1176.     /* Display On */
  1177.     LCD_WriteReg(R0, 0x80);
  1178.     LCD_WriteReg(R59, 0x01);
  1179.     Delay(4);                 /* Delay 40 ms */
  1180.     LCD_WriteReg(R0, 0x20);
  1181.   }  
  1182. }



  1186. /**
  1187.   * @brief  Disables the Display.
  1188.   * @param  None
  1189.   * @retval : None
  1190.   */
  1191. void LCD_DisplayOff(void)
  1192. {
  1193.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1194.   {
  1195.     /* Display Off */
  1196.     LCD_WriteReg(R7, 0x0);
  1197.   }
  1198.   else if(LCDType == LCD_HX8312)
  1199.   {
  1200.     /* Display Off */
  1201.     LCD_WriteReg(R0, 0xA0);
  1202.     Delay(4);                 /* Delay 40 ms */
  1203.     LCD_WriteReg(R59, 0x00);
  1204.   }
  1205. }



  1209. /**
  1210.   * @brief  Configures LCD control lines in Output Push-Pull mode.
  1211.   * @param  None
  1212.   * @retval : None
  1213.   */
  1214. void LCD_CtrlLinesConfig(void)
  1215. {
  1216.   GPIO_InitTypeDef GPIO_InitStructure;

  1218.   /* Configure NCS (PB.02) in Output Push-Pull mode */
  1219.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  1220.   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  1221.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  1222.   GPIO_Init(GPIOB, &GPIO_InitStructure);
  1223.   
  1224.   /* Configure NWR(RNW), RS (PD.15, PD.07) in Output Push-Pull mode */
  1225.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_15;
  1226.   GPIO_Init(GPIOD, &GPIO_InitStructure);
  1227.   
  1228.   LCD_CtrlLinesWrite(GPIOD, CtrlPin_NWR, Bit_SET);
  1229.   LCD_CtrlLinesWrite(GPIOD, CtrlPin_RS, Bit_SET);
  1230. }



  1234. /**
  1235.   * @brief  Sets or reset LCD control lines.
  1236.   * @param GPIOx: where x can be B or D to select the GPIO peripheral.
  1237.   * @param CtrlPins: the Control line. This parameter can be:
  1238.   * @param CtrlPin_NCS: Chip Select pin (PB.02)
  1239.   * @param CtrlPin_NWR: Read/Write Selection pin (PD.15)
  1240.   * @param CtrlPin_RS: Register/RAM Selection pin (PD.07)
  1241.   * @param BitVal: specifies the value to be written to the selected bit.
  1242.   *   This parameter can be:
  1243.   * @param Bit_RESET: to clear the port pin
  1244.   * @param Bit_SET: to set the port pin
  1245.   * @retval : None
  1246.   */
  1247. void LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, BitAction BitVal)
  1248. {
  1249.   /* Set or Reset the control line */
  1250.   GPIO_WriteBit(GPIOx, CtrlPins, BitVal);
  1251. }



  1255. /**
  1256.   * @brief  Configures the SPI2 interface.
  1257.   * @param  None
  1258.   * @retval : None
  1259.   */
  1260. void LCD_SPIConfig(void)
  1261. {
  1262.   SPI_InitTypeDef    SPI_InitStructure;
  1263.   GPIO_InitTypeDef   GPIO_InitStructure;

  1265.   /* Enable GPIOB clock */
  1266.   RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);

  1268.   /* Enable SPI2 clock  */
  1269.   RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);

  1271.   /* Configure SPI2 pins: NSS, SCK, MISO and MOSI */
  1272.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
  1273.   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  1274.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  1275.   GPIO_Init(GPIOB, &GPIO_InitStructure);

  1277.   SPI_I2S_DeInit(SPI2);
  1278.   
  1279.   /* SPI2 Config */
  1280.   SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  1281.   SPI_InitStructure.SPI_Mode = SPI_Mode_Master;

  1283.   if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
  1284.   {
  1285.     SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  1286.     SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
  1287.     SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
  1288.   }
  1289.   else if(LCDType == LCD_HX8312)
  1290.   {
  1291.     SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
  1292.     SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
  1293.     SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
  1294.   }

  1296.   SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  1297.   SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
  1298.   SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  1299.   SPI_Init(SPI2, &SPI_InitStructure);

  1301.   /* SPI2 enable */
  1302.   SPI_Cmd(SPI2, ENABLE);
  1303. }

  1305. /**
  1306.   * @}
  1307.   */

  1309. /******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
复制代码



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沙发
ID:95186 发表于 2015-11-21 08:13 | 只看该作者
可以把    来看看俺的饿
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板凳
ID:96660 发表于 2015-11-22 04:44 | 只看该作者
南无观世音菩萨，感谢楼主分享。
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地板
ID:109094 发表于 2016-3-15 21:48 | 只看该作者
正要学习呢，感谢楼主
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5#
ID:109094 发表于 2016-3-15 21:51 | 只看该作者
不错，正在学习dsp，感谢楼主分享
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6#
ID:120174 发表于 2016-5-11 22:51 | 只看该作者
非常感谢
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7#
ID:147443 发表于 2016-11-14 15:39 | 只看该作者
看看，。帮顶
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8#
ID:85788 发表于 2017-1-10 17:49 | 只看该作者
好东西，谢谢分享
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9#
ID:193126 发表于 2017-4-24 17:53 | 只看该作者
楼主的东西真心不错，感谢！
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10#
ID:169559 发表于 2017-4-25 08:23 | 只看该作者
谢谢分享！
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11#
ID:194323 发表于 2017-4-27 19:37 来自手机 | 只看该作者
好东西，谢谢分享
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12#
ID:223897 发表于 2017-8-7 20:46 | 只看该作者
正好需要这个，谢谢楼主
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13#
ID:224179 发表于 2017-8-23 21:19 | 只看该作者
感谢分享
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14#
ID:233417 发表于 2017-9-15 23:56 | 只看该作者
好东西，可惜没有积分下载不了
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15#
ID:233417 发表于 2017-9-16 00:05 | 只看该作者
正在做这方面的项目，可惜下载不了
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16#
ID:186131 发表于 2017-9-16 10:14 | 只看该作者
正在做这方面的项目，可惜下载不了
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17#
ID:233487 发表于 2017-9-16 17:21 | 只看该作者
牛人！学习一下！
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18#
ID:233588 发表于 2017-9-17 08:41 | 只看该作者
66666非常好

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19#
ID:238016 发表于 2017-10-9 15:17 | 只看该作者
好东西，谢谢分享。
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20#
ID:244198 发表于 2017-10-30 14:14 | 只看该作者
谢谢分享
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21#
ID:74229 发表于 2017-12-12 20:43 | 只看该作者
好东西，谢谢分享。
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22#
ID:204733 发表于 2018-5-1 20:27 | 只看该作者
感谢分享，学习了
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23#
ID:224401 发表于 2018-5-21 11:54 | 只看该作者
好东西，可惜没有积分下载不了。
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24#
ID:374854 发表于 2018-7-19 14:50 | 只看该作者
好东西，谢谢分享。
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25#
ID:445737 发表于 2018-12-13 15:59 | 只看该作者
名字非常好的资料，单没有积分。
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26#
ID:695637 发表于 2020-2-21 11:05 | 只看该作者
这是M3内核下的吧
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27#
ID:700459 发表于 2020-3-19 18:41 | 只看该作者
thank you very much
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