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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_lcd.c')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_lcd.c | 1529 |
1 files changed, 1529 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_lcd.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_lcd.c new file mode 100644 index 0000000..8170595 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_lcd.c @@ -0,0 +1,1529 @@ +/** + ****************************************************************************** + * @file stm32l152_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), + * AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal Display Module + * of STM32L152-EVAL board RevB. + ****************************************************************************** + * @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>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l152_eval_lcd.h" +#include "../Common/fonts.c" + +/** @addtogroup Utilities + * @{ + */ + +/** @addtogroup STM32_EVAL + * @{ + */ + +/** @addtogroup STM32L152_EVAL + * @{ + */ + +/** @defgroup STM32L152_EVAL_LCD + * @brief This file includes the LCD driver for AM-240320L8TNQW00H (LCD_ILI9320), + * AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal Display Module + * of STM32L152-EVAL board. + * @{ + */ + +/** @defgroup STM32L152_EVAL_LCD_Private_Types + * @{ + */ +/** + * @} + */ + +/** @defgroup STM32L152_EVAL_LCD_Private_Defines + * @{ + */ +#define LCD_ILI9320 0x9320 +#define LCD_SPFD5408 0x5408 +#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 STM32L152_EVAL_LCD_Private_Macros + * @{ + */ +#define ABS(X) ((X) > 0 ? (X) : -(X)) +/** + * @} + */ + +/** @defgroup STM32L152_EVAL_LCD_Private_Variables + * @{ + */ +static sFONT *LCD_Currentfonts; +/* Global variables to set the written text color */ +static __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF; +static __IO uint32_t LCDType = LCD_SPFD5408; +/** + * @} + */ + +/** @defgroup STM32L152_EVAL_LCD_Private_Function_Prototypes + * @{ + */ +#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 STM32L152_EVAL_LCD_Private_Functions + * @{ + */ + +/** + * @brief DeInitializes the LCD. + * @param None + * @retval None + */ +void STM32L152_LCD_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< LCD Display Off */ + LCD_DisplayOff(); + + /*!< LCD_SPI disable */ + SPI_Cmd(LCD_SPI, DISABLE); + + /*!< LCD_SPI DeInit */ + SPI_DeInit(LCD_SPI); + + /*!< Disable SPI clock */ + RCC_APB1PeriphClockCmd(LCD_SPI_CLK, DISABLE); + + /* Configure NCS in Output Push-Pull mode */ + GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + 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(); + + if(LCDType == LCD_SPFD5408) + { + /* Start Initial Sequence --------------------------------------------------*/ + LCD_WriteReg(LCD_REG_227, 0x3008); /* Set internal timing */ + LCD_WriteReg(LCD_REG_231, 0x0012); /* Set internal timing */ + LCD_WriteReg(LCD_REG_239, 0x1231); /* Set internal timing */ + 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_17, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */ + _delay_(5); /* Delay 50 ms */ + LCD_WriteReg(LCD_REG_16, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ + _delay_(5); /* Delay 50 ms */ + LCD_WriteReg(LCD_REG_18, 0x01BD); /* External reference voltage= Vci */ + _delay_(5); /* Delay 50 ms */ + LCD_WriteReg(LCD_REG_19, 0x1400); /* VDV[4:0] for VCOM amplitude */ + LCD_WriteReg(LCD_REG_41, 0x000E); /* VCM[4:0] for VCOMH */ + _delay_(5); /* Delay 50 ms */ + LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */ + LCD_WriteReg(LCD_REG_33, 0x013F); /* GRAM Vertical Address */ + /* Adjust the Gamma Curve --------------------------------------------------*/ + LCD_WriteReg(LCD_REG_48, 0x0007); + LCD_WriteReg(LCD_REG_49, 0x0302); + LCD_WriteReg(LCD_REG_50, 0x0105); + LCD_WriteReg(LCD_REG_53, 0x0206); + LCD_WriteReg(LCD_REG_54, 0x0808); + LCD_WriteReg(LCD_REG_55, 0x0206); + LCD_WriteReg(LCD_REG_56, 0x0504); + LCD_WriteReg(LCD_REG_57, 0x0007); + LCD_WriteReg(LCD_REG_60, 0x0105); + LCD_WriteReg(LCD_REG_61, 0x0808); + /* 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, 0xA700); /* 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, 0x0112); /* 262K color and display ON */ + } + else if(LCDType == LCD_ILI9320) + { + _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 STM32L152_LCD_Init(void) +{ + /* Setups the LCD */ + LCD_Setup(); + + /* Try to read new LCD controller ID 0x5408 */ + if (LCD_ReadReg(LCD_REG_0) == LCD_SPFD5408) + { + LCDType = LCD_SPFD5408; + } + else + { + LCDType = LCD_ILI9320; + /* 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 */ + LCD_WriteReg(LCD_REG_83, Ypos); + + LCD_SetCursor(Xpos, Ypos); +} + + +/** + * @brief Disables LCD Window mode. + * @param None + * @retval None + */ +void LCD_WindowModeDisable(void) +{ + LCD_SetDisplayWindow(239, 0x13F, 240, 320); + LCD_WriteReg(LCD_REG_3, 0x1018); +} + +/** + * @brief Displays a line. + * @param Xpos: specifies the X position. + * @param Ypos: specifies the Y position. + * @param Length: line length. + * @param Direction: line direction. + * This parameter can be one of the following values: Vertical or Horizontal. + * @retval None + */ +void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction) +{ + uint32_t i = 0; + + LCD_SetCursor(Xpos, Ypos); + + if(Direction == LCD_DIR_HORIZONTAL) + { + LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ + + for(i = 0; i < Length; i++) + { + LCD_WriteRAM(TextColor); + } + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); + } + else + { + for(i = 0; i < Length; i++) + { + LCD_WriteRAMWord(TextColor); + Xpos++; + LCD_SetCursor(Xpos, Ypos); + } + } +} + + +/** + * @brief Displays a rectangle. + * @param Xpos: specifies the X position. + * @param Ypos: specifies the Y position. + * @param Height: display rectangle height. + * @param Width: display rectangle width. + * @retval None + */ +void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width) +{ + LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); + LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL); + + LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL); + LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL); +} + + +/** + * @brief Displays a circle. + * @param Xpos: specifies the X position. + * @param Ypos: specifies the Y position. + * @param Radius + * @retval None + */ +void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius) +{ + int32_t D;/* Decision Variable */ + uint32_t CurX;/* Current X Value */ + uint32_t CurY;/* Current Y Value */ + + D = 3 - (Radius << 1); + CurX = 0; + CurY = Radius; + + while (CurX <= CurY) + { + LCD_SetCursor(Xpos + CurX, Ypos + CurY); + LCD_WriteRAMWord(TextColor); + LCD_SetCursor(Xpos + CurX, Ypos - CurY); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos - CurX, Ypos + CurY); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos - CurX, Ypos - CurY); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos + CurY, Ypos + CurX); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos + CurY, Ypos - CurX); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos - CurY, Ypos + CurX); + LCD_WriteRAMWord(TextColor); + + LCD_SetCursor(Xpos - CurY, Ypos - CurX); + LCD_WriteRAMWord(TextColor); + + if (D < 0) + { + D += (CurX << 2) + 6; + } + else + { + D += ((CurX - CurY) << 2) + 10; + CurY--; + } + CurX++; + } +} + + +/** + * @brief Displays a monocolor picture. + * @param Pict: pointer to the picture array. + * @retval None + */ +void LCD_DrawMonoPict(const uint32_t *Pict) +{ + uint32_t index = 0, i = 0; + LCD_SetCursor(0, (LCD_PIXEL_WIDTH - 1)); + + LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ + + for(index = 0; index < 2400; index++) + { + for(i = 0; i < 32; i++) + { + if((Pict[index] & (1 << i)) == 0x00) + { + LCD_WriteRAM(BackColor); + } + else + { + LCD_WriteRAM(TextColor); + } + } + } + + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); +} + +#ifdef USE_LCD_DrawBMP +/** + * @brief Displays a bitmap picture loaded in the SPI Flash. + * @param BmpAddress: Bmp picture address in the SPI Flash. + * @retval None + */ +void LCD_DrawBMP(uint32_t BmpAddress) +{ + uint32_t i = 0, size = 0; + /* Read bitmap size */ + sFLASH_ReadBuffer((uint8_t*)&size, BmpAddress + 2, 4); + /* get bitmap data address offset */ + sFLASH_ReadBuffer((uint8_t*)&i, BmpAddress + 10, 4); + + size = (size - i)/2; + sFLASH_StartReadSequence(BmpAddress + i); + /* Disable LCD_SPI */ + SPI_Cmd(LCD_SPI, DISABLE); + /* SPI in 16-bit mode */ + SPI_DataSizeConfig(LCD_SPI, SPI_DataSize_16b); + /* Enable LCD_SPI */ + SPI_Cmd(LCD_SPI, ENABLE); + + if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408)) + { + /* Set GRAM write direction and BGR = 1 */ + /* I/D=00 (Horizontal : decrement, Vertical : decrement) */ + /* AM=1 (address is updated in vertical writing direction) */ + LCD_WriteReg(LCD_REG_3, 0x1008); + LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ + } + + /* Read bitmap data from SPI Flash and send them to LCD */ + for(i = 0; i < size; i++) + { + LCD_WriteRAM(__REV16(sFLASH_SendHalfWord(0xA5A5))); + } + if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408)) + { + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); + } + + /* Deselect the FLASH: Chip Select high */ + sFLASH_CS_HIGH(); + /* Disable LCD_SPI */ + SPI_Cmd(LCD_SPI, DISABLE); + /* SPI in 8-bit mode */ + SPI_DataSizeConfig(LCD_SPI, SPI_DataSize_8b); + /* Enable LCD_SPI */ + SPI_Cmd(LCD_SPI, ENABLE); + + if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408)) + { + /* 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); + } +} +#endif /* USE_LCD_DrawBMP */ + +/** + * @brief Displays a full rectangle. + * @param Xpos: specifies the X position. + * @param Ypos: specifies the Y position. + * @param Height: rectangle height. + * @param Width: rectangle width. + * @retval None + */ +void LCD_DrawFullRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) +{ + LCD_SetTextColor(TextColor); + + LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); + LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL); + + LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL); + LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL); + + Width -= 2; + Height--; + Ypos--; + + LCD_SetTextColor(BackColor); + + while(Height--) + { + LCD_DrawLine(++Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); + } + + LCD_SetTextColor(TextColor); +} + +/** + * @brief Displays a full circle. + * @param Xpos: specifies the X position. + * @param Ypos: specifies the Y position. + * @param Radius + * @retval None + */ +void LCD_DrawFullCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) +{ + int32_t D; /* Decision Variable */ + uint32_t CurX;/* Current X Value */ + uint32_t CurY;/* Current Y Value */ + + D = 3 - (Radius << 1); + + CurX = 0; + CurY = Radius; + + LCD_SetTextColor(BackColor); + + while (CurX <= CurY) + { + if(CurY > 0) + { + LCD_DrawLine(Xpos - CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL); + LCD_DrawLine(Xpos + CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL); + } + + if(CurX > 0) + { + LCD_DrawLine(Xpos - CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL); + LCD_DrawLine(Xpos + CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL); + } + if (D < 0) + { + D += (CurX << 2) + 6; + } + else + { + D += ((CurX - CurY) << 2) + 10; + CurY--; + } + CurX++; + } + + LCD_SetTextColor(TextColor); + LCD_DrawCircle(Xpos, Ypos, Radius); +} + +/** + * @brief Displays an uni line (between two points). + * @param x1: specifies the point 1 x position. + * @param y1: specifies the point 1 y position. + * @param x2: specifies the point 2 x position. + * @param y2: specifies the point 2 y position. + * @retval None + */ +void LCD_DrawUniLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) +{ + int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, + yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, + curpixel = 0; + + deltax = ABS(x2 - x1); /* The difference between the x's */ + deltay = ABS(y2 - y1); /* The difference between the y's */ + x = x1; /* Start x off at the first pixel */ + y = y1; /* Start y off at the first pixel */ + + if (x2 >= x1) /* The x-values are increasing */ + { + xinc1 = 1; + xinc2 = 1; + } + else /* The x-values are decreasing */ + { + xinc1 = -1; + xinc2 = -1; + } + + if (y2 >= y1) /* The y-values are increasing */ + { + yinc1 = 1; + yinc2 = 1; + } + else /* The y-values are decreasing */ + { + yinc1 = -1; + yinc2 = -1; + } + + if (deltax >= deltay) /* There is at least one x-value for every y-value */ + { + xinc1 = 0; /* Don't change the x when numerator >= denominator */ + yinc2 = 0; /* Don't change the y for every iteration */ + den = deltax; + num = deltax / 2; + numadd = deltay; + numpixels = deltax; /* There are more x-values than y-values */ + } + else /* There is at least one y-value for every x-value */ + { + xinc2 = 0; /* Don't change the x for every iteration */ + yinc1 = 0; /* Don't change the y when numerator >= denominator */ + den = deltay; + num = deltay / 2; + numadd = deltax; + numpixels = deltay; /* There are more y-values than x-values */ + } + + for (curpixel = 0; curpixel <= numpixels; curpixel++) + { + PutPixel(x, y); /* Draw the current pixel */ + num += numadd; /* Increase the numerator by the top of the fraction */ + if (num >= den) /* Check if numerator >= denominator */ + { + num -= den; /* Calculate the new numerator value */ + x += xinc1; /* Change the x as appropriate */ + y += yinc1; /* Change the y as appropriate */ + } + x += xinc2; /* Change the x as appropriate */ + y += yinc2; /* Change the y as appropriate */ + } +} + +/** + * @brief Displays an polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @retval None + */ +void LCD_PolyLine(pPoint Points, uint16_t PointCount) +{ + int16_t X = 0, Y = 0; + + if(PointCount < 2) + { + return; + } + + while(--PointCount) + { + X = Points->X; + Y = Points->Y; + Points++; + LCD_DrawUniLine(X, Y, Points->X, Points->Y); + } +} + +/** + * @brief Displays an relative polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @param Closed: specifies if the draw is closed or not. + * 1: closed, 0 : not closed. + * @retval None + */ +static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed) +{ + int16_t X = 0, Y = 0; + pPoint First = Points; + + if(PointCount < 2) + { + return; + } + X = Points->X; + Y = Points->Y; + while(--PointCount) + { + Points++; + LCD_DrawUniLine(X, Y, X + Points->X, Y + Points->Y); + X = X + Points->X; + Y = Y + Points->Y; + } + if(Closed) + { + LCD_DrawUniLine(First->X, First->Y, X, Y); + } +} + +/** + * @brief Displays a closed polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @retval None + */ +void LCD_ClosedPolyLine(pPoint Points, uint16_t PointCount) +{ + LCD_PolyLine(Points, PointCount); + LCD_DrawUniLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y); +} + +/** + * @brief Displays a relative polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @retval None + */ +void LCD_PolyLineRelative(pPoint Points, uint16_t PointCount) +{ + LCD_PolyLineRelativeClosed(Points, PointCount, 0); +} + +/** + * @brief Displays a closed relative polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @retval None + */ +void LCD_ClosedPolyLineRelative(pPoint Points, uint16_t PointCount) +{ + LCD_PolyLineRelativeClosed(Points, PointCount, 1); +} + + +/** + * @brief Displays a full polyline (between many points). + * @param Points: pointer to the points array. + * @param PointCount: Number of points. + * @retval None + */ +void LCD_FillPolyLine(pPoint Points, uint16_t PointCount) +{ + /* public-domain code by Darel Rex Finley, 2007 */ + uint16_t nodes = 0, nodeX[MAX_POLY_CORNERS], pixelX = 0, pixelY = 0, i = 0, + j = 0, swap = 0; + uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0; + + IMAGE_LEFT = IMAGE_RIGHT = Points->X; + IMAGE_TOP= IMAGE_BOTTOM = Points->Y; + + for(i = 1; i < PointCount; i++) + { + pixelX = POLY_X(i); + if(pixelX < IMAGE_LEFT) + { + IMAGE_LEFT = pixelX; + } + if(pixelX > IMAGE_RIGHT) + { + IMAGE_RIGHT = pixelX; + } + + pixelY = POLY_Y(i); + if(pixelY < IMAGE_TOP) + { + IMAGE_TOP = pixelY; + } + if(pixelY > IMAGE_BOTTOM) + { + IMAGE_BOTTOM = pixelY; + } + } + + LCD_SetTextColor(BackColor); + + /* Loop through the rows of the image. */ + for (pixelY = IMAGE_TOP; pixelY < IMAGE_BOTTOM; pixelY++) + { + /* Build a list of nodes. */ + nodes = 0; j = PointCount-1; + + for (i = 0; i < PointCount; i++) + { + if (POLY_Y(i)<(double) pixelY && POLY_Y(j)>=(double) pixelY || POLY_Y(j)<(double) pixelY && POLY_Y(i)>=(double) pixelY) + { + nodeX[nodes++]=(int) (POLY_X(i)+((pixelY-POLY_Y(i))*(POLY_X(j)-POLY_X(i)))/(POLY_Y(j)-POLY_Y(i))); + } + j = i; + } + + /* Sort the nodes, via a simple "Bubble" sort. */ + i = 0; + while (i < nodes-1) + { + if (nodeX[i]>nodeX[i+1]) + { + swap = nodeX[i]; + nodeX[i] = nodeX[i+1]; + nodeX[i+1] = swap; + if(i) + { + i--; + } + } + else + { + i++; + } + } + + /* Fill the pixels between node pairs. */ + for (i = 0; i < nodes; i+=2) + { + if(nodeX[i] >= IMAGE_RIGHT) + { + break; + } + if(nodeX[i+1] > IMAGE_LEFT) + { + if (nodeX[i] < IMAGE_LEFT) + { + nodeX[i]=IMAGE_LEFT; + } + if(nodeX[i+1] > IMAGE_RIGHT) + { + nodeX[i+1] = IMAGE_RIGHT; + } + LCD_SetTextColor(BackColor); + LCD_DrawLine(pixelY, nodeX[i+1], nodeX[i+1] - nodeX[i], LCD_DIR_HORIZONTAL); + LCD_SetTextColor(TextColor); + PutPixel(pixelY, nodeX[i+1]); + PutPixel(pixelY, nodeX[i]); + /* for (j=nodeX[i]; j<nodeX[i+1]; j++) PutPixel(j,pixelY); */ + } + } + } + + /* draw the edges */ + LCD_SetTextColor(TextColor); +} + +/** + * @brief Reset LCD control line(/CS) and Send Start-Byte + * @param Start_Byte: the Start-Byte to be sent + * @retval None + */ +void LCD_nCS_StartByte(uint8_t Start_Byte) +{ + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET); + + SPI_SendData(LCD_SPI, Start_Byte); + + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } +} + + +/** + * @brief Writes index to select the LCD register. + * @param LCD_Reg: address of the selected register. + * @retval None + */ +void LCD_WriteRegIndex(uint8_t LCD_Reg) +{ + /* Reset LCD control line(/CS) and Send Start-Byte */ + LCD_nCS_StartByte(START_BYTE | SET_INDEX); + + /* Write 16-bit Reg Index (High Byte is 0) */ + SPI_SendData(LCD_SPI, 0x00); + + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + SPI_SendData(LCD_SPI, LCD_Reg); + + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); +} + + +/** + * @brief Writes to the selected LCD ILI9320 register. + * @param LCD_Reg: address of the selected register. + * @param LCD_RegValue: value to write to the selected register. + * @retval None + */ +void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue) +{ + /* Write 16-bit Index (then Write Reg) */ + LCD_WriteRegIndex(LCD_Reg); + + /* Write 16-bit Reg */ + /* Reset LCD control line(/CS) and Send Start-Byte */ + LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG); + + SPI_SendData(LCD_SPI, LCD_RegValue >> 8); + + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + SPI_SendData(LCD_SPI, (LCD_RegValue & 0xFF)); + + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); +} + + +/** + * @brief Reads the selected LCD Register. + * @param LCD_Reg: address of the selected register. + * @retval LCD Register Value. + */ +uint16_t LCD_ReadReg(uint8_t LCD_Reg) +{ + uint16_t tmp = 0; + uint8_t i = 0; + + /* LCD_SPI prescaler: 4 */ + LCD_SPI->CR1 &= 0xFFC7; + LCD_SPI->CR1 |= 0x0008; + /* Write 16-bit Index (then Read Reg) */ + LCD_WriteRegIndex(LCD_Reg); + /* Read 16-bit Reg */ + /* Reset LCD control line(/CS) and Send Start-Byte */ + LCD_nCS_StartByte(START_BYTE | LCD_READ_REG); + + for(i = 0; i < 5; i++) + { + SPI_SendData(LCD_SPI, 0xFF); + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + /* One byte of invalid dummy data read after the start byte */ + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET) + { + } + SPI_ReceiveData(LCD_SPI); + } + + SPI_SendData(LCD_SPI, 0xFF); + + /* Read upper byte */ + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + /* Read lower byte */ + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET) + { + } + tmp = SPI_ReceiveData(LCD_SPI); + + + SPI_SendData(LCD_SPI, 0xFF); + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + + /* Read lower byte */ + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET) + { + } + + tmp = ((tmp & 0xFF) << 8) | SPI_ReceiveData(LCD_SPI); + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); + + /* LCD_SPI prescaler: 2 */ + LCD_SPI->CR1 &= 0xFFC7; + + return tmp; +} + + +/** + * @brief Prepare to write to the LCD RAM. + * @param None + * @retval None + */ +void LCD_WriteRAM_Prepare(void) +{ + LCD_WriteRegIndex(LCD_REG_34); /* Select GRAM Reg */ + + /* Reset LCD control line(/CS) and Send Start-Byte */ + LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG); +} + + +/** + * @brief Writes 1 word to the LCD RAM. + * @param RGB_Code: the pixel color in RGB mode (5-6-5). + * @retval None + */ +void LCD_WriteRAMWord(uint16_t RGB_Code) +{ + LCD_WriteRAM_Prepare(); + + LCD_WriteRAM(RGB_Code); + + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); +} + +/** + * @brief Writes to the LCD RAM. + * @param RGB_Code: the pixel color in RGB mode (5-6-5). + * @retval None + */ +void LCD_WriteRAM(uint16_t RGB_Code) +{ + SPI_SendData(LCD_SPI, RGB_Code >> 8); + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } + SPI_SendData(LCD_SPI, RGB_Code & 0xFF); + while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET) + { + } +} + + +/** + * @brief Power on the LCD. + * @param None + * @retval None + */ +void LCD_PowerOn(void) +{ + /* 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_7, 0x0173); /* 262K color and display ON */ +} + + +/** + * @brief Enables the Display. + * @param None + * @retval None + */ +void LCD_DisplayOn(void) +{ + /* Display On */ + LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */ +} + + +/** + * @brief Disables the Display. + * @param None + * @retval None + */ +void LCD_DisplayOff(void) +{ + /* Display Off */ + LCD_WriteReg(LCD_REG_7, 0x0); +} + + +/** + * @brief Configures LCD control lines in Output Push-Pull mode. + * @param None + * @retval None + */ +void LCD_CtrlLinesConfig(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + RCC_AHBPeriphClockCmd(LCD_NCS_GPIO_CLK, ENABLE); + + /* Configure NCS (PF.02) in Output Push-Pull mode */ + GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure); + + LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET); +} + + +/** + * @brief Sets or reset LCD control lines. + * @param GPIOx: where x can be B or D to select the GPIO peripheral. + * @param CtrlPins: the Control line. + * This parameter can be: + * @arg LCD_NCS_PIN: Chip Select pin + * @arg LCD_NWR_PIN: Read/Write Selection pin + * @arg LCD_RS_PIN: Register/RAM Selection pin + * @param BitVal: specifies the value to be written to the selected bit. + * This parameter can be: + * @arg Bit_RESET: to clear the port pin + * @arg Bit_SET: to set the port pin + * @retval None + */ +void LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, BitAction BitVal) +{ + /* Set or Reset the control line */ + GPIO_WriteBit(GPIOx, CtrlPins, BitVal); +} + + +/** + * @brief Configures the LCD_SPI interface. + * @param None + * @retval None + */ +void LCD_SPIConfig(void) +{ + SPI_InitTypeDef SPI_InitStructure; + GPIO_InitTypeDef GPIO_InitStructure; + + /* Enable LCD_SPI_SCK_GPIO_CLK, LCD_SPI_MISO_GPIO_CLK and LCD_SPI_MOSI_GPIO_CLK clock */ + RCC_AHBPeriphClockCmd(LCD_SPI_SCK_GPIO_CLK | LCD_SPI_MISO_GPIO_CLK | LCD_SPI_MOSI_GPIO_CLK, ENABLE); + + /* Enable LCD_SPI and SYSCFG clock */ + RCC_APB2PeriphClockCmd(LCD_SPI_CLK | RCC_APB2Periph_SYSCFG, ENABLE); + + /* Configure LCD_SPI SCK pin */ + GPIO_InitStructure.GPIO_Pin = LCD_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(LCD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /* Configure LCD_SPI MISO pin */ + GPIO_InitStructure.GPIO_Pin = LCD_SPI_MISO_PIN; + GPIO_Init(LCD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /* Configure LCD_SPI MOSI pin */ + GPIO_InitStructure.GPIO_Pin = LCD_SPI_MOSI_PIN; + GPIO_Init(LCD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /* Connect PE.13 to SPI SCK */ + GPIO_PinAFConfig(LCD_SPI_SCK_GPIO_PORT, LCD_SPI_SCK_SOURCE, LCD_SPI_SCK_AF); + + /* Connect PE.14 to SPI MISO */ + GPIO_PinAFConfig(LCD_SPI_MISO_GPIO_PORT, LCD_SPI_MISO_SOURCE, LCD_SPI_MISO_AF); + + /* Connect PE.15 to SPI MOSI */ + GPIO_PinAFConfig(LCD_SPI_MOSI_GPIO_PORT, LCD_SPI_MOSI_SOURCE, LCD_SPI_MOSI_AF); + + SPI_DeInit(LCD_SPI); + + /* SPI Config */ + SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; + SPI_InitStructure.SPI_Mode = SPI_Mode_Master; + SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; + SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; + SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; + SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; + SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2; + SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; + SPI_InitStructure.SPI_CRCPolynomial = 7; + SPI_Init(LCD_SPI, &SPI_InitStructure); + + /* SPI enable */ + SPI_Cmd(LCD_SPI, ENABLE); +} + +/** + * @brief Displays a pixel. + * @param x: pixel x. + * @param y: pixel y. + * @retval None + */ +static void PutPixel(int16_t x, int16_t y) +{ + if(x < 0 || x > 239 || y < 0 || y > 319) + { + return; + } + LCD_DrawLine(x, y, 1, LCD_DIR_HORIZONTAL); +} + +#ifndef USE_Delay +/** + * @brief Inserts a delay time. + * @param nCount: specifies the delay time length. + * @retval None + */ +static void delay(__IO uint32_t nCount) +{ + __IO uint32_t index = 0; + for(index = (34000 * nCount); index != 0; index--) + { + } +} +#endif /* USE_Delay*/ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |