seven_segment.h File Reference

Driver to use the Seven segment display. More...

#include <c/yggdrasil/types.h>

Include dependency graph for seven_segment.h:

Go to the source code of this file.

Functions
C_LINKAGE void	yggdrasil_SevenSegment_Init (void)
	Initialization function. More...
C_LINKAGE void	yggdrasil_SevenSegment_SetUnsigned (u16 value)
	Display a unsigned value from 0 to 9999 on the 7 segments. More...
C_LINKAGE void	yggdrasil_SevenSegment_SetSigned (i16 value)
	Display a signed value from -999 to 999 on the 7 segments. More...
C_LINKAGE void	yggdrasil_SevenSegment_SetHexadecimal (u16 value)
	Display a unsigned value from 0 to 0xFFFF in hexadecimal on the 7 segments. More...
C_LINKAGE void	yggdrasil_SevenSegment_SetFloatingPoint (float value)
	Display a floating point value from -99.9 to 99.9 on the 7 segments, the function will show as many decimal places as possible. More...
C_LINKAGE void	yggdrasil_SevenSegment_SetDigit (char value)
	Set the segments to the given value, supports hexadecimal, '-' for minus and ' ' for an empty segment. More...
C_LINKAGE void	yggdrasil_SevenSegment_EnableDigit (u8 number)
	Enable one single segment. More...
C_LINKAGE void	yggdrasil_SevenSegment_Disable (void)
	Disable all segments. More...

Detailed Description

Driver to use the Seven segment display.

Author

Fabian Weber, Nikolaij Saegesser

Function Documentation

yggdrasil_SevenSegment_Disable()

C_LINKAGE void yggdrasil_SevenSegment_Disable

(

void

)

Disable all segments.

yggdrasil_SevenSegment_EnableDigit()

C_LINKAGE void yggdrasil_SevenSegment_EnableDigit

(

u8

number

)

Enable one single segment.

Parameters

number

Digit to enable

yggdrasil_SevenSegment_Init()

C_LINKAGE void yggdrasil_SevenSegment_Init

(

void

)

Initialization function.

Returns

Success

yggdrasil_SevenSegment_SetDigit()

C_LINKAGE void yggdrasil_SevenSegment_SetDigit

(

char

value

)

Set the segments to the given value, supports hexadecimal, '-' for minus and ' ' for an empty segment.

Note

The function does not enable any segment

Parameters

value

Digit to set

yggdrasil_SevenSegment_SetFloatingPoint()

C_LINKAGE void yggdrasil_SevenSegment_SetFloatingPoint

(

float

value

)

Display a floating point value from -99.9 to 99.9 on the 7 segments, the function will show as many decimal places as possible.

Note

The function takes care of the multiplexing, but must be called frequently (>= 200Hz recommended)

Parameters

value

Value to display

yggdrasil_SevenSegment_SetHexadecimal()

C_LINKAGE void yggdrasil_SevenSegment_SetHexadecimal

(

u16

value

)

Display a unsigned value from 0 to 0xFFFF in hexadecimal on the 7 segments.

Note

The function takes care of the multiplexing, but must be called frequently (>= 200Hz recommended)

Parameters

value

Value to display in hexadecimal

yggdrasil_SevenSegment_SetSigned()

C_LINKAGE void yggdrasil_SevenSegment_SetSigned

(

i16

value

)

Display a signed value from -999 to 999 on the 7 segments.

Note

The function takes care of the multiplexing, but must be called frequently (>= 200Hz recommended)

Parameters

value

Value to display

yggdrasil_SevenSegment_SetUnsigned()

C_LINKAGE void yggdrasil_SevenSegment_SetUnsigned

(

u16

value

)

Display a unsigned value from 0 to 9999 on the 7 segments.

Note

The function takes care of the multiplexing, but must be called frequently (>= 200Hz recommended)

Parameters

value

Value to display