/* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __LCD_H #define __LCD_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include <stdint.h> /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @addtogroup LCD * @{ */ /** @defgroup LCD_Exported_Types * @{ */ /** @defgroup LCD_Driver_structure LCD Driver structure * @{ */ typedef struct { void (*Init)(void); uint16_t (*ReadID)(void); void (*DisplayOn)(void); void (*DisplayOff)(void); void (*SetCursor)(uint16_t, uint16_t); void (*WritePixel)(uint16_t, uint16_t, uint16_t); uint16_t (*ReadPixel)(uint16_t, uint16_t); /* Optimized operation */ void (*SetDisplayWindow)(uint16_t, uint16_t, uint16_t, uint16_t); void (*DrawHLine)(uint16_t, uint16_t, uint16_t, uint16_t); void (*DrawVLine)(uint16_t, uint16_t, uint16_t, uint16_t); uint16_t (*GetLcdPixelWidth)(void); uint16_t (*GetLcdPixelHeight)(void); void (*DrawBitmap)(uint16_t, uint16_t, uint8_t*); void (*DrawRGBImage)(uint16_t, uint16_t, uint16_t, uint16_t, uint8_t*); }LCD_DrvTypeDef; /** * @} */ /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __LCD_H */
/* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __st7789v_H #define __st7789v_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "lcd.h" /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @addtogroup st7789v * @{ */ /** @defgroup st7789v_Exported_Types * @{ */ /** * @} */ /** @defgroup st7789v_Exported_Constants * @{ */ /** * @brief st7789v Size */ #define st7789v_LCD_PIXEL_WIDTH ((uint16_t)128) #define st7789v_LCD_PIXEL_HEIGHT ((uint16_t)160) /** * @brief LCD Lines depending on the chosen fonts. */ #define LCD_LINE_0 LINE(0) #define LCD_LINE_1 LINE(1) #define LCD_LINE_2 LINE(2) #define LCD_LINE_3 LINE(3) #define LCD_LINE_4 LINE(4) #define LCD_LINE_5 LINE(5) #define LCD_LINE_6 LINE(6) #define LCD_LINE_7 LINE(7) #define LCD_LINE_8 LINE(8) #define LCD_LINE_9 LINE(9) #define LCD_LINE_10 LINE(10) #define LCD_LINE_11 LINE(11) #define LCD_LINE_12 LINE(12) #define LCD_LINE_13 LINE(13) #define LCD_LINE_14 LINE(14) #define LCD_LINE_15 LINE(15) #define LCD_LINE_16 LINE(16) #define LCD_LINE_17 LINE(17) #define LCD_LINE_18 LINE(18) #define LCD_LINE_19 LINE(19) /** * @} */ /** @defgroup ADAFRUIT_SPI_LCD_Exported_Functions * @{ */ void st7789v_Init(void); uint16_t st7789v_ReadID(void); void st7789v_DisplayOn(void); void st7789v_DisplayOff(void); void st7789v_SetCursor(uint16_t Xpos, uint16_t Ypos); void st7789v_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode); void st7789v_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue); uint8_t st7789v_ReadReg(uint8_t LCDReg); void st7789v_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height); void st7789v_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length); void st7789v_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length); uint16_t st7789v_GetLcdPixelWidth(void); uint16_t st7789v_GetLcdPixelHeight(void); void st7789v_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp); /* LCD driver structure */ extern LCD_DrvTypeDef st7789v_drv; /* LCD IO functions */ void LCD_IO_Init(void); void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size); void LCD_IO_WriteReg(uint8_t Reg); void LCD_Delay(uint32_t delay); /** * @} */ #ifdef __cplusplus } #endif #endif /* __st7789v_H */ /** * @} */ /** * @} */ /** * @} */
/* Includes ------------------------------------------------------------------*/ #include "st7789v.h" /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @addtogroup st7789v * @brief This file provides a set of functions needed to drive the * st7789v LCD. * @{ */ /** @defgroup st7789v_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup st7789v_Private_Defines * @{ */ /** * @} */ /** @defgroup st7789v_Private_Macros * @{ */ /** * @} */ /** @defgroup st7789v_Private_Variables * @{ */ LCD_DrvTypeDef st7789v_drv = { st7789v_Init, 0, st7789v_DisplayOn, st7789v_DisplayOff, st7789v_SetCursor, st7789v_WritePixel, 0, st7789v_SetDisplayWindow, st7789v_DrawHLine, st7789v_DrawVLine, st7789v_GetLcdPixelWidth, st7789v_GetLcdPixelHeight, st7789v_DrawBitmap, }; static uint16_t ArrayRGB[320] = {0}; /** * @} */ /** @defgroup st7789v_Private_FunctionPrototypes * @{ */ /** * @} */ /** @defgroup st7789v_Private_Functions * @{ */ /** * @brief Writes to the selected LCD register. * @param LCDReg: Address of the selected register. * @param LCDRegValue: value to write to the selected register. * @retval None */ void st7789v_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue) { LCD_IO_WriteReg(LCDReg); LCD_IO_WriteMultipleData(&LCDRegValue, 1); } /** * @brief Initialize the st7789v LCD Component. * @param None * @retval None */ void st7789v_Init(void) { /* Initialize st7789v low level bus layer -----------------------------------*/ LCD_IO_Init(); /* Out of sleep mode, 0 args, no delay */ st7789v_WriteReg(0x11, 0x00); /**/ st7789v_WriteReg(0x36, 0x00); st7789v_WriteReg(0x3A, 0x06); st7789v_WriteReg(0xB2, 0x0C); st7789v_WriteReg(0xB2, 0x0C); st7789v_WriteReg(0xB2, 0x00); st7789v_WriteReg(0xB2, 0x33); st7789v_WriteReg(0xB2, 0x33); st7789v_WriteReg(0xB7, 0x35); //VGH=13.26V, VGL=-10.43V st7789v_WriteReg(0xBB, 0x38); //VCOM st7789v_WriteReg(0xC0, 0x2C); st7789v_WriteReg(0xC2, 0x01); st7789v_WriteReg(0xC3, 0x1A); //VAP //5V st7789v_WriteReg(0xC4, 0x20); st7789v_WriteReg(0xC6, 0x0F); st7789v_WriteReg(0xD0, 0xA4); st7789v_WriteReg(0xD0, 0xA1); st7789v_WriteReg(0xE0 , 0xD0); st7789v_WriteReg(0xE0, 0x1E); st7789v_WriteReg(0xE0, 0x24); st7789v_WriteReg(0xE0, 0x0A); st7789v_WriteReg(0xE0 , 0x0A); st7789v_WriteReg(0xE0 , 0x26); st7789v_WriteReg(0xE0, 0x44); st7789v_WriteReg(0xE0, 0x44); st7789v_WriteReg(0xE0, 0x57); st7789v_WriteReg(0xE0, 0x29); st7789v_WriteReg(0xE0 , 0x14); st7789v_WriteReg(0xE0, 0x14); st7789v_WriteReg(0xE0 , 0x30); st7789v_WriteReg(0xE0 , 0x34); st7789v_WriteReg(0xE1, 0xD0); st7789v_WriteReg(0xE1 , 0x1E); st7789v_WriteReg(0xE1, 0x23); st7789v_WriteReg(0xE1 , 0x0A); st7789v_WriteReg(0xE1, 0x09); st7789v_WriteReg(0xE1, 0x25); st7789v_WriteReg(0xE1 , 0x43); st7789v_WriteReg(0xE1, 0x33); st7789v_WriteReg(0xE1, 0x56); st7789v_WriteReg(0xE1 , 0x28); st7789v_WriteReg(0xE1 , 0x14); st7789v_WriteReg(0xE1, 0x14); st7789v_WriteReg(0xE1, 0x2F); st7789v_WriteReg(0xE1 , 0x34); st7789v_WriteReg(0x29,0x00); st7789v_WriteReg(0x21, 0x00); st7789v_WriteReg(0x2A, 0x00); st7789v_WriteReg(0x2A , 0x00); st7789v_WriteReg(0x2A , 0x00); st7789v_WriteReg(0x2A , 0xEF); st7789v_WriteReg(0x2B, 0x00); st7789v_WriteReg(0x2B , 0x00); st7789v_WriteReg(0x2B , 0x00); st7789v_WriteReg(0x2B , 0xEF); } /** * @brief Enables the Display. * @param None * @retval None */ void st7789v_DisplayOn(void) { uint8_t data = 0; LCD_IO_WriteReg(0x13);/* Partial off (Normal): NORON */ LCD_Delay(10); LCD_IO_WriteReg(0x29);/* Display on: DISPON */ LCD_Delay(10); LCD_IO_WriteReg(0x36);/* Memory data access control: MADCTL */ data = 0xC0; LCD_IO_WriteMultipleData(&data, 1); } /** * @brief Disables the Display. * @param None * @retval None */ void st7789v_DisplayOff(void) { uint8_t data = 0; LCD_IO_WriteReg(0x13);/* Partial off (Normal): NORON */ LCD_Delay(10); LCD_IO_WriteReg(0x28);/* Display off: DISPOFF */ LCD_Delay(10); LCD_IO_WriteReg(0x36);/* Memory data access control: MADCTL */ data = 0xC0; LCD_IO_WriteMultipleData(&data, 1); } /** * @brief Sets Cursor position. * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @retval None */ void st7789v_SetCursor(uint16_t Xpos, uint16_t Ypos) { uint8_t data = 0; LCD_IO_WriteReg(0x2A);/* Column address set: CASET */ data = (Xpos) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Xpos) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); LCD_IO_WriteReg(0x2B);/* Row address set: RASET */ data = (Ypos) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Ypos) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); LCD_IO_WriteReg(0x2C);/* Memory write: RAMWR */ } /** * @brief Writes pixel. * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param RGBCode: the RGB pixel color * @retval None */ void st7789v_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode) { uint8_t data = 0; if((Xpos >= st7789v_LCD_PIXEL_WIDTH) || (Ypos >= st7789v_LCD_PIXEL_HEIGHT)) { return; } /* Set Cursor */ st7789v_SetCursor(Xpos, Ypos); data = RGBCode >> 8; LCD_IO_WriteMultipleData(&data, 1); data = RGBCode; LCD_IO_WriteMultipleData(&data, 1); } /** * @brief Sets a display window * @param Xpos: specifies the X bottom left position. * @param Ypos: specifies the Y bottom left position. * @param Height: display window height. * @param Width: display window width. * @retval None */ void st7789v_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) { uint8_t data = 0; /* Column addr set, 4 args, no delay: XSTART = Xpos, XEND = (Xpos + Width - 1) */ LCD_IO_WriteReg(0x2A);/* Column address set: CASET */ data = (Xpos) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Xpos) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); data = (Xpos + Width - 1) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Xpos + Width - 1) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); /* Row addr set, 4 args, no delay: YSTART = Ypos, YEND = (Ypos + Height - 1) */ LCD_IO_WriteReg(0x2B);/* Row address set: RASET */ data = (Ypos) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Ypos) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); data = (Ypos + Height - 1) >> 8; LCD_IO_WriteMultipleData(&data, 1); data = (Ypos + Height - 1) & 0xFF; LCD_IO_WriteMultipleData(&data, 1); } /** * @brief Draws horizontal line. * @param RGBCode: Specifies the RGB color * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param Length: specifies the line length. * @retval None */ void st7789v_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length) { uint8_t counter = 0; if(Xpos + Length > st7789v_LCD_PIXEL_WIDTH) return; /* Set Cursor */ st7789v_SetCursor(Xpos, Ypos); for(counter = 0; counter < Length; counter++) { ArrayRGB[counter] = RGBCode; } LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2); } /** * @brief Draws vertical line. * @param RGBCode: Specifies the RGB color * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param Length: specifies the line length. * @retval None */ void st7789v_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length) { uint8_t counter = 0; if(Ypos + Length > st7789v_LCD_PIXEL_HEIGHT) return; for(counter = 0; counter < Length; counter++) { st7789v_WritePixel(Xpos, Ypos + counter, RGBCode); } } /** * @brief Gets the LCD pixel Width. * @param None * @retval The Lcd Pixel Width */ uint16_t st7789v_GetLcdPixelWidth(void) { return st7789v_LCD_PIXEL_WIDTH; } /** * @brief Gets the LCD pixel Height. * @param None * @retval The Lcd Pixel Height */ uint16_t st7789v_GetLcdPixelHeight(void) { return st7789v_LCD_PIXEL_HEIGHT; } /** * @brief Displays a bitmap picture loaded in the internal Flash. * @param BmpAddress: Bmp picture address in the internal Flash. * @retval None */ void st7789v_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp) { uint32_t index = 0, size = 0; /* Read bitmap size */ size = *(volatile uint16_t *) (pbmp + 2); size |= (*(volatile uint16_t *) (pbmp + 4)) << 16; /* Get bitmap data address offset */ index = *(volatile uint16_t *) (pbmp + 10); index |= (*(volatile uint16_t *) (pbmp + 12)) << 16; size = (size - index)/2; pbmp += index; /* Set GRAM write direction and BGR = 0 */ /* Memory access control: MY = 0, MX = 1, MV = 0, ML = 0 */ st7789v_WriteReg(0x36, 0x40);// LCD_REG_54 0x36 /* Memory data access control: MADCTL */ /* Set Cursor */ st7789v_SetCursor(Xpos, Ypos); LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2); /* Set GRAM write direction and BGR = 0 */ /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */ st7789v_WriteReg(0x36, 0xC0);/* Memory data access control: MADCTL */ } /** * @} */ /** * @} */ /** * @} */ /** * @} */
/* Includes ------------------------------------------------------------------*/ #include "st7735.h" /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @addtogroup ST7735 * @brief This file provides a set of functions needed to drive the * ST7735 LCD. * @{ */ /** @defgroup ST7735_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup ST7735_Private_Defines * @{ */ /** * @} */ /** @defgroup ST7735_Private_Macros * @{ */ /** * @} */ /** @defgroup ST7735_Private_Variables * @{ */ LCD_DrvTypeDef st7735_drv = { st7735_Init, 0, st7735_DisplayOn, st7735_DisplayOff, st7735_SetCursor, st7735_WritePixel, 0, st7735_SetDisplayWindow, st7735_DrawHLine, st7735_DrawVLine, st7735_GetLcdPixelWidth, st7735_GetLcdPixelHeight, st7735_DrawBitmap, }; static uint16_t ArrayRGB[320] = {0}; /** * @} */ /** @defgroup ST7735_Private_FunctionPrototypes * @{ */ /** * @} */ /** @defgroup ST7735_Private_Functions * @{ */ /** * @brief Initialize the ST7735 LCD Component. * @param None * @retval None */ void st7735_Init(void) { /* Initialize ST7735 low level bus layer -----------------------------------*/ LCD_IO_Init(); LCD_HW_RESET(); /* Out of sleep mode*/ LCD_IO_WriteReg(0x11); LCD_Delay(120);//120ms /* Frame rate ctrl - normal mode, 3 args:Rate = fosc/(1x2+40) * (LINE+2C+2D)*/ LCD_IO_WriteReg(0xB1); LCD_IO_WriteData(0x01); LCD_IO_WriteData(0x2C); LCD_IO_WriteData(0x2D); /* Frame rate control - idle mode, 3 args:Rate = fosc/(1x2+40) * (LINE+2C+2D) */ LCD_IO_WriteReg(0xB2); LCD_IO_WriteData(0x01); LCD_IO_WriteData(0x2C); LCD_IO_WriteData(0x2D); /* Frame rate ctrl - partial mode, 6 args: Dot inversion mode, Line inversion mode */ LCD_IO_WriteReg(0xB3); LCD_IO_WriteData(0x01); LCD_IO_WriteData(0x2C); LCD_IO_WriteData(0x2D); LCD_IO_WriteData(0x01); LCD_IO_WriteData(0x2C); LCD_IO_WriteData(0x2D); /* Display inversion ctrl, 1 arg, no delay: No inversion */ st7735_WriteReg(0xB4, 0x07); /* Power control, 3 args, no delay: -4.6V , AUTO mode */ LCD_IO_WriteReg(0xC0); LCD_IO_WriteData(0xA2); LCD_IO_WriteData(0x02); LCD_IO_WriteData(0x84); /* Power control, 1 arg, no delay: VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD */ st7735_WriteReg(0xC1, 0xC5); /* Power control, 2 args, no delay: Opamp current small, Boost frequency */ LCD_IO_WriteReg(0xC2); LCD_IO_WriteData(0x0A); LCD_IO_WriteData(0x00); /* Power control, 2 args, no delay: BCLK/2, Opamp current small & Medium low */ LCD_IO_WriteReg(0xC3); LCD_IO_WriteData(0x8A); LCD_IO_WriteData(0x2A); /* Power control, 2 args, no delay */ LCD_IO_WriteReg(0xC4); LCD_IO_WriteData(0x8A); LCD_IO_WriteData(0xEE); /* Power control, 1 arg, no delay */ st7735_WriteReg(0xC5, 0x0E); /* Don't invert display, no args, no delay */ LCD_IO_WriteReg(0x20); /* Set color mode, 1 arg, no delay: 16-bit color */ st7735_WriteReg(0x3A, 0x05); /* Column addr set, 4 args, no delay: XSTART = 0, XEND = 127 */ LCD_IO_WriteReg(0x2A); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x7F); /* Row addr set, 4 args, no delay: YSTART = 0, YEND = 159 */ LCD_IO_WriteReg(0x2B); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x9F); /* Magical unicorn dust, 16 args, no delay */ LCD_IO_WriteReg(0xE0); LCD_IO_WriteData(0x02); LCD_IO_WriteData(0x1c); LCD_IO_WriteData(0x07); LCD_IO_WriteData(0x12); LCD_IO_WriteData(0x37); LCD_IO_WriteData(0x32); LCD_IO_WriteData(0x29); LCD_IO_WriteData(0x2d); LCD_IO_WriteData(0x29); LCD_IO_WriteData(0x25); LCD_IO_WriteData(0x2B); LCD_IO_WriteData(0x39); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x01); LCD_IO_WriteData(0x03); LCD_IO_WriteData(0x10); /* Sparkles and rainbows, 16 args, no delay */ LCD_IO_WriteReg(0xE0); LCD_IO_WriteData(0x03); LCD_IO_WriteData(0x1d); LCD_IO_WriteData(0x07); LCD_IO_WriteData(0x06); LCD_IO_WriteData(0x2E); LCD_IO_WriteData(0x2C); LCD_IO_WriteData(0x29); LCD_IO_WriteData(0x2D); LCD_IO_WriteData(0x2E); LCD_IO_WriteData(0x2E); LCD_IO_WriteData(0x37); LCD_IO_WriteData(0x3F); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x00); LCD_IO_WriteData(0x02); LCD_IO_WriteData(0x10); /* Normal display on, no args, no delay */ st7735_WriteReg(0x13, 0x00); /* Main screen turn on, no delay */ st7735_WriteReg(0x29, 0x00); /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */ st7735_WriteReg(0x36, 0xC0); } /** * @brief Enables the Display. * @param None * @retval None */ void st7735_DisplayOn(void) { LCD_IO_WriteReg(0x13); LCD_Delay(10); LCD_IO_WriteReg(0x29); LCD_Delay(10); LCD_IO_WriteReg(0x36); LCD_IO_WriteData(0xC0); } /** * @brief Disables the Display. * @param None * @retval None */ void st7735_DisplayOff(void) { LCD_IO_WriteReg(0x13); LCD_Delay(10); LCD_IO_WriteReg(0x28); LCD_Delay(10); LCD_IO_WriteReg(0x36); LCD_IO_WriteData(0xC0); } /** * @brief Sets Cursor position. * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @retval None */ void st7735_SetCursor(uint16_t Xpos, uint16_t Ypos) { LCD_IO_WriteReg(0x2A); LCD_IO_WriteData((Xpos) >> 8); LCD_IO_WriteData((Xpos) & 0xFF); LCD_IO_WriteReg(0x2B); LCD_IO_WriteData((Ypos) >> 8); LCD_IO_WriteData((Ypos) & 0xFF); LCD_IO_WriteReg(0x2C); } /** * @brief Writes pixel. * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param RGBCode: the RGB pixel color * @retval None */ void st7735_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode) { if((Xpos >= ST7735_LCD_PIXEL_WIDTH) || (Ypos >= ST7735_LCD_PIXEL_HEIGHT)) { return; } /* Set Cursor */ st7735_SetCursor(Xpos, Ypos); LCD_IO_WriteData(RGBCode >> 8); LCD_IO_WriteData(RGBCode); } /** * @brief Writes to the selected LCD register. * @param LCDReg: Address of the selected register. * @param LCDRegValue: value to write to the selected register. * @retval None */ void st7735_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue) { LCD_IO_WriteReg(LCDReg); LCD_IO_WriteData(LCDRegValue); } /** * @brief Sets a display window * @param Xpos: specifies the X bottom left position. * @param Ypos: specifies the Y bottom left position. * @param Height: display window height. * @param Width: display window width. * @retval None */ void st7735_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) { /* Column addr set, 4 args, no delay: XSTART = Xpos, XEND = (Xpos + Width - 1) */ LCD_IO_WriteReg(0x2A); LCD_IO_WriteData((Xpos) >> 8); LCD_IO_WriteData((Xpos) & 0xFF); LCD_IO_WriteData((Xpos + Width - 1) >> 8); LCD_IO_WriteData((Xpos + Width - 1) & 0xFF); /* Row addr set, 4 args, no delay: YSTART = Ypos, YEND = (Ypos + Height - 1) */ LCD_IO_WriteReg(0x2B); LCD_IO_WriteData((Ypos) >> 8 ); LCD_IO_WriteData((Ypos) & 0xFF ); LCD_IO_WriteData((Ypos + Height - 1) >> 8 ); LCD_IO_WriteData((Ypos + Height - 1) & 0xFF ); } /** * @brief Draws horizontal line. * @param RGBCode: Specifies the RGB color * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param Length: specifies the line length. * @retval None */ void st7735_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length) { uint8_t counter = 0; if(Xpos + Length > ST7735_LCD_PIXEL_WIDTH) return; /* Set Cursor */ st7735_SetCursor(Xpos, Ypos); for(counter = 0; counter < Length; counter++) { ArrayRGB[counter] = RGBCode; } LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2); } /** * @brief Draws vertical line. * @param RGBCode: Specifies the RGB color * @param Xpos: specifies the X position. * @param Ypos: specifies the Y position. * @param Length: specifies the line length. * @retval None */ void st7735_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length) { uint8_t counter = 0; if(Ypos + Length > ST7735_LCD_PIXEL_HEIGHT) return; for(counter = 0; counter < Length; counter++) { st7735_WritePixel(Xpos, Ypos + counter, RGBCode); } } /** * @brief Gets the LCD pixel Width. * @param None * @retval The Lcd Pixel Width */ uint16_t st7735_GetLcdPixelWidth(void) { return ST7735_LCD_PIXEL_WIDTH; } /** * @brief Gets the LCD pixel Height. * @param None * @retval The Lcd Pixel Height */ uint16_t st7735_GetLcdPixelHeight(void) { return ST7735_LCD_PIXEL_HEIGHT; } /** * @brief Displays a bitmap picture loaded in the internal Flash. * @param BmpAddress: Bmp picture address in the internal Flash. * @retval None */ void st7735_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp) { uint32_t index = 0, size = 0; /* Read bitmap size */ size = *(volatile uint16_t *) (pbmp + 2); size |= (*(volatile uint16_t *) (pbmp + 4)) << 16; /* Get bitmap data address offset */ index = *(volatile uint16_t *) (pbmp + 10); index |= (*(volatile uint16_t *) (pbmp + 12)) << 16; size = (size - index)/2; pbmp += index; /* Set GRAM write direction and BGR = 0 */ /* Memory access control: MY = 0, MX = 1, MV = 0, ML = 0 */ st7735_WriteReg(0x36, 0x40); /* Set Cursor */ st7735_SetCursor(Xpos, Ypos); LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2); /* Set GRAM write direction and BGR = 0 */ /* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */ st7735_WriteReg(0x36, 0xC0); }
#ifndef __ST7735_H #define __ST7735_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "../Common/lcd.h" #include "stm32f1xx_board.h" /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @addtogroup ST7735 * @{ */ /** @defgroup ST7735_Exported_Types * @{ */ /** * @} */ /** @defgroup ST7735_Exported_Constants * @{ */ /** * @brief ST7735 Size */ #define ST7735_LCD_PIXEL_WIDTH ((uint16_t)128) #define ST7735_LCD_PIXEL_HEIGHT ((uint16_t)160) /** * @brief LCD Lines depending on the chosen fonts. */ #define LCD_LINE_0 LINE(0) #define LCD_LINE_1 LINE(1) #define LCD_LINE_2 LINE(2) #define LCD_LINE_3 LINE(3) #define LCD_LINE_4 LINE(4) #define LCD_LINE_5 LINE(5) #define LCD_LINE_6 LINE(6) #define LCD_LINE_7 LINE(7) #define LCD_LINE_8 LINE(8) #define LCD_LINE_9 LINE(9) #define LCD_LINE_10 LINE(10) #define LCD_LINE_11 LINE(11) #define LCD_LINE_12 LINE(12) #define LCD_LINE_13 LINE(13) #define LCD_LINE_14 LINE(14) #define LCD_LINE_15 LINE(15) #define LCD_LINE_16 LINE(16) #define LCD_LINE_17 LINE(17) #define LCD_LINE_18 LINE(18) #define LCD_LINE_19 LINE(19) /** * @} */ /** @defgroup ADAFRUIT_SPI_LCD_Exported_Functions * @{ */ void st7735_Init(void); uint16_t st7735_ReadID(void); void st7735_DisplayOn(void); void st7735_DisplayOff(void); void st7735_SetCursor(uint16_t Xpos, uint16_t Ypos); void st7735_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode); void st7735_WriteReg(uint8_t LCDReg, uint8_t LCDRegValue); uint8_t st7735_ReadReg(uint8_t LCDReg); void st7735_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height); void st7735_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length); void st7735_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length); uint16_t st7735_GetLcdPixelWidth(void); uint16_t st7735_GetLcdPixelHeight(void); void st7735_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp); /* LCD driver structure */ extern LCD_DrvTypeDef st7735_drv; /** * @} */ #ifdef __cplusplus } #endif #endif /* __ST7735_H */