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STM32L476G_DISCOVERY_LCD_Exported_Functions
Functions

STM32L476G_DISCOVERY_LCD_Exported_Functions
[STM32L476G-DISCOVERY GLASS LCD]

Functions

void BSP_LCD_GLASS_Init (void)
 Initialize the LCD GLASS relative GPIO port IOs and LCD peripheral.
void BSP_LCD_GLASS_DeInit (void)
 DeInitialize the LCD GLASS relative GPIO port IOs and LCD peripheral.
void BSP_LCD_GLASS_BlinkConfig (uint32_t BlinkMode, uint32_t BlinkFrequency)
 Configure the LCD Blink mode and Blink frequency.
void BSP_LCD_GLASS_Contrast (uint32_t Contrast)
 Configure the LCD contrast.
void BSP_LCD_GLASS_DisplayBar (uint32_t BarId)
 Display one or several bar in LCD frame buffer.
void BSP_LCD_GLASS_ClearBar (uint32_t BarId)
 Clear one or several bar in LCD frame buffer.
void BSP_LCD_GLASS_BarLevelConfig (uint8_t BarLevel)
 Configure the bar level on LCD by writing bar value in LCD frame buffer.
void BSP_LCD_GLASS_DisplayChar (uint8_t *ch, Point_Typedef Point, DoublePoint_Typedef Colon, DigitPosition_Typedef Position)
 Write a character in the LCD RAM buffer.
void BSP_LCD_GLASS_DisplayString (uint8_t *ptr)
 Write a character string in the LCD RAM buffer.
void BSP_LCD_GLASS_DisplayStrDeci (uint16_t *ptr)
 Write a character string with decimal point in the LCD RAM buffer.
void BSP_LCD_GLASS_Clear (void)
 Clear the whole LCD RAM buffer.
void BSP_LCD_GLASS_ScrollSentence (uint8_t *ptr, uint16_t nScroll, uint16_t ScrollSpeed)
 Display a string in scrolling mode.

Function Documentation

void BSP_LCD_GLASS_BarLevelConfig ( uint8_t  BarLevel )

Configure the bar level on LCD by writing bar value in LCD frame buffer.

Parameters:
BarLevel,:specifies the LCD GLASS Battery Level. This parameter can be one of the following values:

  • BATTERYLEVEL_OFF: LCD GLASS Battery Empty
  • BATTERYLEVEL_1_4: LCD GLASS Battery 1/4 Full
  • BATTERYLEVEL_1_2: LCD GLASS Battery 1/2 Full
  • BATTERYLEVEL_3_4: LCD GLASS Battery 3/4 Full
  • BATTERYLEVEL_FULL: LCD GLASS Battery Full
Return values:
None

Definition at line 380 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_BlinkConfig ( uint32_t  BlinkMode,
uint32_t  BlinkFrequency 
)

Configure the LCD Blink mode and Blink frequency.

Parameters:
BlinkMode,:specifies the LCD blink mode. This parameter can be one of the following values:

  • LCD_BLINKMODE_OFF: Blink disabled
  • LCD_BLINKMODE_SEG0_COM0: Blink enabled on SEG[0], COM[0] (1 pixel)
  • LCD_BLINKMODE_SEG0_ALLCOM: Blink enabled on SEG[0], all COM (up to 8 pixels according to the programmed duty)
  • LCD_BLINKMODE_ALLSEG_ALLCOM: Blink enabled on all SEG and all COM (all pixels)
BlinkFrequency,:specifies the LCD blink frequency.

  • LCD_BLINKFREQUENCY_DIV8: The Blink frequency = fLcd/8
  • LCD_BLINKFREQUENCY_DIV16: The Blink frequency = fLcd/16
  • LCD_BLINKFREQUENCY_DIV32: The Blink frequency = fLcd/32
  • LCD_BLINKFREQUENCY_DIV64: The Blink frequency = fLcd/64
  • LCD_BLINKFREQUENCY_DIV128: The Blink frequency = fLcd/128
  • LCD_BLINKFREQUENCY_DIV256: The Blink frequency = fLcd/256
  • LCD_BLINKFREQUENCY_DIV512: The Blink frequency = fLcd/512
  • LCD_BLINKFREQUENCY_DIV1024: The Blink frequency = fLcd/1024
Return values:
None

Definition at line 237 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_Clear ( void   )

Clear the whole LCD RAM buffer.

Return values:
None

Definition at line 531 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_ClearBar ( uint32_t  BarId )

Clear one or several bar in LCD frame buffer.

Parameters:
BarId,:specifies the LCD GLASS Bar to display This parameter can be combination of one of the following values:

  • LCD_BAR_0: LCD GLASS Bar 0
  • LCD_BAR_1: LCD GLASS Bar 1
  • LCD_BAR_2: LCD GLASS Bar 2
  • LCD_BAR_3: LCD GLASS Bar 3
Return values:
None

Definition at line 325 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_Contrast ( uint32_t  Contrast )

Configure the LCD contrast.

Parameters:
Contrast,:specifies the LCD contrast value. This parameter can be one of the following values:

  • LCD_CONTRASTLEVEL_0: Maximum Voltage = 2.60V
  • LCD_CONTRASTLEVEL_1: Maximum Voltage = 2.73V
  • LCD_CONTRASTLEVEL_2: Maximum Voltage = 2.86V
  • LCD_CONTRASTLEVEL_3: Maximum Voltage = 2.99V
  • LCD_CONTRASTLEVEL_4: Maximum Voltage = 3.12V
  • LCD_CONTRASTLEVEL_5: Maximum Voltage = 3.25V
  • LCD_CONTRASTLEVEL_6: Maximum Voltage = 3.38V
  • LCD_CONTRASTLEVEL_7: Maximum Voltage = 3.51V
Return values:
None

Definition at line 256 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_DeInit ( void   )

DeInitialize the LCD GLASS relative GPIO port IOs and LCD peripheral.

Return values:
None

Definition at line 208 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_DisplayBar ( uint32_t  BarId )

Display one or several bar in LCD frame buffer.

Parameters:
BarId,:specifies the LCD GLASS Bar to display This parameter can be one of the following values:

  • BAR0: LCD GLASS Bar 0
  • BAR0: LCD GLASS Bar 1
  • BAR0: LCD GLASS Bar 2
  • BAR0: LCD GLASS Bar 3
Return values:
None

Definition at line 271 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_DisplayChar ( uint8_t *  ch,
Point_Typedef  Point,
DoublePoint_Typedef  Colon,
DigitPosition_Typedef  Position 
)

Write a character in the LCD RAM buffer.

Parameters:
ch,:The character to display.
Point,:A point to add in front of char. This parameter can be one of the following values:

  • POINT_OFF: No point to add in front of char.
  • POINT_ON: Add a point in front of char.
Colon,:Flag indicating if a colon character has to be added in front of displayed character. This parameter can be one of the following values:

  • DOUBLEPOINT_OFF: No colon to add in back of char.
  • DOUBLEPOINT_ON: Add an colon in back of char.
Position,:Position in the LCD of the character to write. This parameter can be any value in range [1:6].
Return values:
None
Note:
Required preconditions: The LCD should be cleared before to start the write operation.

Definition at line 455 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_DisplayStrDeci ( uint16_t *  ptr )

Write a character string with decimal point in the LCD RAM buffer.

Parameters:
ptr,:Pointer to string to display on the LCD Glass.
Return values:
None
Note:
Required preconditions: Char is ASCCI value "ORed" with decimal point or Colon flag

Definition at line 494 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_DisplayString ( uint8_t *  ptr )

Write a character string in the LCD RAM buffer.

Parameters:
ptr,:Pointer to string to display on the LCD Glass.
Return values:
None

Definition at line 468 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_Init ( void   )

Initialize the LCD GLASS relative GPIO port IOs and LCD peripheral.

Return values:
None

Definition at line 177 of file stm32l476g_discovery_glass_lcd.c.

void BSP_LCD_GLASS_ScrollSentence ( uint8_t *  ptr,
uint16_t  nScroll,
uint16_t  ScrollSpeed 
)

Display a string in scrolling mode.

Parameters:
ptr,:Pointer to string to display on the LCD Glass.
nScroll,:Specifies how many time the message will be scrolled
ScrollSpeed: Specifies the speed of the scroll, low value gives higher speed
Return values:
None
Note:
Required preconditions: The LCD should be cleared before to start the write operation.

Definition at line 546 of file stm32l476g_discovery_glass_lcd.c.

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