M7219: MAX7219 Control
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Описание
Set the state of one or more Max7219 matrix displays or 7-segment digital displays.
Примечание
Requires MAX7219_DEBUG.
Использование
M7219 [C<column>] [D<row>] [F] [P] [R<row>] [U<index>] [V<bits>] [X<index>] [Y<index>]
Параметры
[C<column>]
Set the column specified by C to bit pattern V.
[D<row>]
Directly set a Max7219 native row (on the unit specified by U) to the 8-bit pattern V.
[F]
Fill the matrix by turning on all LEDs.
Initialize (clear) all matrixes.
[P]
Print the LED array state for debugging.
[R<row>]
Set the row specified by R to bit pattern V.
[U<index>]
Used with D to specify which matrix unit to set.
[V<bits>]
Value to apply when using the C, R, or X/Y parameters.
[X<index>]
Set a matrix LED at the given X position to the V value. If no V is given, toggle the LED state.
[Y<index>]
Set a matrix LED at the given Y position to the V value. If no V is given, toggle the LED state.
Gallery
Max7219 with 8x8 Matrix
This single-unit Max7219 with 8x8 Matrix is commonly found online in both assembled and kit form for only a few dollars.
Settings for Max7219 Orientation
Use the MAX7219_ROTATE and MAX7219_SIDE_BY_SIDE settings that best suit the orientation of your matrix according to this chart.
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