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PCD
printf("Error is over 500 points\r\n");
Example Files:
Also See:
None
abs()
lcd_contrast( )
Syntax:
lcd_contrast ( contrast )
Parameters: contrast is used to set the internal contrast control resistance ladder.
Returns:
Function:
Availability:
Requires:
undefined.
This function controls the contrast of the LCD segments with a value passed in
between 0 and 7. A value of 0 will produce the minimum contrast, 7 will produce
the maximum contrast.
Only on select devices with built-in LCD Driver Module hardware.
None.
Examples:
Example
Files:
lcd_contrast( 0 );
lcd_contrast( 7 );
None.
// Minimum Contrast
// Maximum Contrast
Also See:
lcd_load( ), lcd_symbol( ), setup_lcd( ), Internal LCD Overview
lcd_load( )
Syntax:
lcd_load ( buffer_pointer , offset , length );
Parameters: buffer_pointer points to the user data to send to the LCD, offset is the offset into
the LCD segment memory to write the data, length is the number of bytes to
transfer to the LCD segment memory.
Returns:
Function:
undefined.
This function will load length bytes from buffer_pointer into the LCD segment
memory beginning at offset . The lcd_symbol( ) function provides as easier way to
write data to the segment memory.
200
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