Matrix-orbital DD-DB1 LCD/VFD Dev Board Manual do Utilizador descarregar pdf (Página 25)

3.7.Initialize Large

Numbers*

Dec

Hex

ASCII

254 110

FE 6E

n■

Loads the large number custom character bank into memory. Large numbers must be initialized before use.

3.8.Place Large

Number*

Dec

Hex

ASCII

254 35

FE 23

#■

Column Digit

Places a single large decimal digit of 4 row height and 3 column width on the display at the position specified. Medium

numbers must be initialized before being placed.

Column 1 byte, value between 1 and 4

Digit 1 byte, single decimal digit to display

3.9.Initialize

Horizontal Bar

Dec

Hex

ASCII

254 104

FE 68

h■

Loads the horizontal bar graph custom character bank into memory. Horizontal bar characters must be initialized before

a graph is displayed.

3.10.Place Horizontal

Bar Graph

Dec

Hex

254 124

FE 7C

Column Row Direction Length

Places a horizontal bar graph on the screen beginning at the column and row specified. The bar extends either right or

left to the length indicated. New bars will overwrite old.

Column 1 byte, value between 1 and 2 for 20x2 screen or 1 and 4 for 20x4 screen

Row 1 byte, value between 1 and 20

Direction 1 byte, 0 for right and 1 for left

Length 1 byte, length in pixels of the graph (0-100)

*Note: This command is available for 20x4 screens only

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 46 47

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Matrix-orbital DD-DB1 LCD/VFD Dev Board Manual do Utilizador Página 25

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