ePaperDisplay (ePD) gde021a1 driver. This ePD is present on the STMicroelectronics Discovery L053 board (STM32L0538-DISCO).
Dependents: DISCO-L053C8_ePD_demo DISCO-L053C8_ePD_demo Ruche_V1 DISCO-L053C8_ePD_demo ... more
GDE021A1 ePaper display Library.
EPD_GDE021A1.h
- Committer:
- bcostm
- Date:
- 2015-04-28
- Revision:
- 0:5d8241e6bd3b
- Child:
- 1:6ee9c1afd6ec
File content as of revision 0:5d8241e6bd3b:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __EPD_GDE021A1_H #define __EPD_GDE021A1_H #include "mbed.h" #include "fontsepd.h" /** * @brief EPD color */ #define EPD_COLOR_BLACK 0x00 #define EPD_COLOR_DARKGRAY 0x55 #define EPD_COLOR_LIGHTGRAY 0xAA #define EPD_COLOR_WHITE 0xFF /** * @brief Line mode structures definition */ typedef enum { CENTER_MODE = 0x01, RIGHT_MODE = 0x02, LEFT_MODE = 0x03 } Text_AlignModeTypdef; /** * ePaperDisplay on SPI */ class EPD_GDE021A1 { public: /** * Constructor * @param cs EPD CS pin * @param dc EPD DC pin * @param rst EPD RESET pin * @param bsy EPD BUSY pin * @param pwr EPD POWER pin * @param mosi SPI MOSI pin * @param miso SPI MISO pin * @param scl SPI SCLK pin */ EPD_GDE021A1(PinName cs, PinName dc, PinName rst, PinName bsy, PinName pwr, PinName spi_mosi, PinName spi_miso, PinName spi_scl); /** * Destructor */ ~EPD_GDE021A1(); /** * @brief Gets the EPD X size. * @param None * @retval EPD X size */ uint32_t GetXSize(void); /** * @brief Gets the EPD Y size. * @param None * @retval EPD Y size */ uint32_t GetYSize(void); /** * @brief Sets the Text Font. * @param pFonts: specifies the layer font to be used. * @retval None */ void SetFont(sFONT *pFonts); /** * @brief Gets the Text Font. * @param None. * @retval the used layer font. */ sFONT *GetFont(void); /** * @brief Clears the EPD. * @param Color: Color of the background * @retval None */ void Clear(uint16_t Color); /** * @brief Displays one character. * @param Xpos: start column address. * @param Ypos: the Line where to display the character shape. * @param Ascii: character ascii code, must be between 0x20 and 0x7E. * @retval None */ void DisplayChar(uint16_t Xpos, uint16_t Ypos, uint8_t Ascii); /** * @brief Displays characters on the EPD. * @param Xpos: X position * @param Ypos: Y position * @param Text: Pointer to string to display on EPD * @param Mode: Display mode * This parameter can be one of the following values: * @arg CENTER_MODE * @arg RIGHT_MODE * @arg LEFT_MODE * @retval None */ void DisplayStringAt(uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Text_AlignModeTypdef Mode); /** * @brief Displays a character on the EPD. * @param Line: Line where to display the character shape * This parameter can be one of the following values: * @arg 0..8: if the Current fonts is Font8 * @arg 0..5: if the Current fonts is Font12 * @arg 0..3: if the Current fonts is Font16 * @arg 0..2: if the Current fonts is Font20 * @param ptr: Pointer to string to display on EPD * @retval None */ void DisplayStringAtLine(uint16_t Line, uint8_t *ptr, Text_AlignModeTypdef Mode); /** * @brief Draws an horizontal line. * @param Xpos: X position * @param Ypos: Y position * @param Length: line length * @retval None */ void DrawHLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length); /** * @brief Draws a vertical line. * @param Xpos: X position * @param Ypos: Y position * @param Length: line length. * @retval None */ void DrawVLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length); /** * @brief Draws a rectangle. * @param Xpos: X position * @param Ypos: Y position * @param Height: rectangle height * @param Width: rectangle width * @retval None */ void DrawRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height); /** * @brief Displays a full rectangle. * @param Xpos: X position. * @param Ypos: Y position. * @param Height: display rectangle height. * @param Width: display rectangle width. * @retval None */ void FillRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height); /** * @brief Draws an Image. * @param Xpos: X position in the EPD * @param Ypos: Y position in the EPD * @param Xsize: X size in the EPD * @param Ysize: Y size in the EPD * @param pdata: Pointer to the Image address * @retval None */ void DrawImage(uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata); /** * @brief Disables the clock and the charge pump. * @param None * @retval None */ void CloseChargePump(void); /** * @brief Updates the display from the data located into the RAM. * @param None * @retval None */ void RefreshDisplay(void); private: SPI _spi; DigitalOut _cs; DigitalOut _dc; DigitalOut _rst; DigitalIn _bsy; DigitalOut _pwr; sFONT *pFont; void EPD_IO_WriteData(uint16_t RegValue); void EPD_IO_WriteReg(uint8_t Reg); uint16_t EPD_IO_ReadData(void); void gde021a1_Init(void); void gde021a1_WriteReg(uint8_t EPD_Reg, uint8_t EPD_RegValue); uint8_t gde021a1_ReadReg(uint8_t EPD_Reg); void gde021a1_WritePixel(uint8_t HEX_Code); void gde021a1_DrawImage(uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata); void gde021a1_RefreshDisplay(void); void gde021a1_CloseChargePump(void); void gde021a1_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height); uint16_t gde021a1_GetEpdPixelWidth(void); uint16_t gde021a1_GetEpdPixelHeight(void); void DrawChar(uint16_t Xpos, uint16_t Ypos, const uint8_t *c); }; #endif