STM32L0538-Discovery BSP User Manual: STM32L0538_DISCOVERY_EPD_Exported_Functions

STM32L0538-Discovery BSP Drivers

STM32L0538-Discovery BSP User Manual
STM32L0538_DISCOVERY_EPD_Exported_Functions

Functions

uint8_t BSP_EPD_Init (void)
 Initializes the EPD.
uint32_t BSP_EPD_GetXSize (void)
 Gets the EPD X size.
uint32_t BSP_EPD_GetYSize (void)
 Gets the EPD Y size.
void BSP_EPD_SetFont (sFONT *pFonts)
 Sets the Text Font.
sFONTBSP_EPD_GetFont (void)
 Gets the Text Font.
void BSP_EPD_Clear (uint16_t Color)
 Clears the hole EPD.
void BSP_EPD_DisplayStringAtLine (uint16_t Line, uint8_t *ptr)
 Displays a character on the EPD.
void BSP_EPD_DisplayStringAt (uint16_t Xpos, uint16_t Ypos, uint8_t *pText, Text_AlignModeTypdef mode)
 Displays characters on the EPD.
void BSP_EPD_DisplayChar (uint16_t Xpos, uint16_t Ypos, uint8_t Ascii)
 Displays one character.
void BSP_EPD_DrawHLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
 Draws an horizontal line.
void BSP_EPD_DrawVLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
 Draws a vertical line.
void BSP_EPD_DrawRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
 Draws a rectangle.
void BSP_EPD_FillRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
 Displays a full rectangle.
void BSP_EPD_RefreshDisplay (void)
 Updates the display from the data located into the RAM.
void BSP_EPD_CloseChargePump (void)
 Disables the clock and the charge pump.
void BSP_EPD_DrawImage (uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata)
 Draws an Image.

Function Documentation

void BSP_EPD_Clear ( uint16_t  Color)

Clears the hole EPD.

Parameters:
Color,:Color of the background
Return values:
None

Definition at line 166 of file stm32l0538_discovery_epd.c.

References epd_drv.

Referenced by BSP_EPD_Init().

void BSP_EPD_CloseChargePump ( void  )

Disables the clock and the charge pump.

Parameters:
None
Return values:
None

Definition at line 375 of file stm32l0538_discovery_epd.c.

References EPD_Delay(), and epd_drv.

void BSP_EPD_DisplayChar ( uint16_t  Xpos,
uint16_t  Ypos,
uint8_t  Ascii 
)

Displays one character.

Parameters:
Xpos,:start column address.
Ypos,:the Line where to display the character shape.
Ascii,:character ascii code, must be between 0x20 and 0x7E.
Return values:
None

Definition at line 185 of file stm32l0538_discovery_epd.c.

References DrawChar(), _tFont::Height, _tFont::table, and _tFont::Width.

Referenced by BSP_EPD_DisplayStringAt().

void BSP_EPD_DisplayStringAt ( uint16_t  Xpos,
uint16_t  Ypos,
uint8_t *  Text,
Text_AlignModeTypdef  Mode 
)

Displays characters on the EPD.

Parameters:
Xpos,:X position
Ypos,:Y position
Text,:Pointer to string to display on EPD
Mode,:Display mode This parameter can be one of the following values:
  • CENTER_MODE
  • RIGHT_MODE
  • LEFT_MODE
Return values:
None

Definition at line 204 of file stm32l0538_discovery_epd.c.

References BSP_EPD_DisplayChar(), BSP_EPD_GetXSize(), CENTER_MODE, LEFT_MODE, RIGHT_MODE, and _tFont::Width.

Referenced by BSP_EPD_DisplayStringAtLine().

void BSP_EPD_DisplayStringAtLine ( uint16_t  Line,
uint8_t *  ptr 
)

Displays a character on the EPD.

Parameters:
Line,:Line where to display the character shape This parameter can be one of the following values:
  • 0..8: if the Current fonts is Font8
  • 0..5: if the Current fonts is Font12
  • 0..3: if the Current fonts is Font16
  • 0..2: if the Current fonts is Font20
ptr,:Pointer to string to display on EPD
Return values:
None

Definition at line 264 of file stm32l0538_discovery_epd.c.

References BSP_EPD_DisplayStringAt(), LEFT_MODE, and LINE.

void BSP_EPD_DrawHLine ( uint16_t  Xpos,
uint16_t  Ypos,
uint16_t  Length 
)

Draws an horizontal line.

Parameters:
Xpos,:X position
Ypos,:Y position
Length,:line length
Return values:
None

Definition at line 276 of file stm32l0538_discovery_epd.c.

References epd_drv.

Referenced by BSP_EPD_DrawRect().

void BSP_EPD_DrawImage ( uint16_t  Xpos,
uint16_t  Ypos,
uint16_t  Xsize,
uint16_t  Ysize,
uint8_t *  pdata 
)

Draws an Image.

Parameters:
Xpos,:X position in the EPD
Ypos,:Y position in the EPD
Xsize,:X size in the EPD
Ysize,:Y size in the EPD
pdata,:Pointer to the Image address
Return values:
None

Definition at line 358 of file stm32l0538_discovery_epd.c.

References BSP_EPD_GetXSize(), BSP_EPD_GetYSize(), and epd_drv.

void BSP_EPD_DrawRect ( uint16_t  Xpos,
uint16_t  Ypos,
uint16_t  Width,
uint16_t  Height 
)

Draws a rectangle.

Parameters:
Xpos,:X position
Ypos,:Y position
Height,:rectangle height
Width,:rectangle width
Return values:
None

Definition at line 317 of file stm32l0538_discovery_epd.c.

References BSP_EPD_DrawHLine(), and BSP_EPD_DrawVLine().

void BSP_EPD_DrawVLine ( uint16_t  Xpos,
uint16_t  Ypos,
uint16_t  Length 
)

Draws a vertical line.

Parameters:
Xpos,:X position
Ypos,:Y position
Length,:line length.
Return values:
None

Definition at line 296 of file stm32l0538_discovery_epd.c.

References epd_drv.

Referenced by BSP_EPD_DrawRect().

void BSP_EPD_FillRect ( uint16_t  Xpos,
uint16_t  Ypos,
uint16_t  Width,
uint16_t  Height 
)

Displays a full rectangle.

Parameters:
Xpos,:X position.
Ypos,:Y position.
Height,:display rectangle height.
Width,:display rectangle width.
Return values:
None

Definition at line 336 of file stm32l0538_discovery_epd.c.

References epd_drv.

sFONT* BSP_EPD_GetFont ( void  )

Gets the Text Font.

Parameters:
None.
Return values:
theused layer font.

Definition at line 156 of file stm32l0538_discovery_epd.c.

References pFont.

uint32_t BSP_EPD_GetXSize ( void  )

Gets the EPD X size.

Parameters:
None
Return values:
EPDX size

Definition at line 126 of file stm32l0538_discovery_epd.c.

References epd_drv.

Referenced by BSP_EPD_DisplayStringAt(), and BSP_EPD_DrawImage().

uint32_t BSP_EPD_GetYSize ( void  )

Gets the EPD Y size.

Parameters:
None
Return values:
EPDY size

Definition at line 136 of file stm32l0538_discovery_epd.c.

References epd_drv.

Referenced by BSP_EPD_DrawImage().

uint8_t BSP_EPD_Init ( void  )

Initializes the EPD.

Parameters:
None
Return values:
EPDstate

Definition at line 98 of file stm32l0538_discovery_epd.c.

References BSP_EPD_Clear(), BSP_EPD_SetFont(), EPD_COLOR_WHITE, EPD_DEFAULT_FONT, epd_drv, EPD_ERROR, EPD_OK, and Font16.

void BSP_EPD_RefreshDisplay ( void  )

Updates the display from the data located into the RAM.

Parameters:
None
Return values:
None

Definition at line 389 of file stm32l0538_discovery_epd.c.

References EPD_BUSY_GPIO_PORT, EPD_BUSY_PIN, EPD_Delay(), epd_drv, and EPD_RESET_HIGH.

void BSP_EPD_SetFont ( sFONT pFonts)

Sets the Text Font.

Parameters:
pFonts,:specifies the layer font to be used.
Return values:
None

Definition at line 146 of file stm32l0538_discovery_epd.c.

Referenced by BSP_EPD_Init().

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