EpdByte()
… visits
EpdByte(wColumn As Word, wRow As Word, bData As Byte, bPlane As Byte)
|
Parameter |
Description |
|
wColumn |
X-position, byte-aligned (i.e. wColumn addresses a full 8-pixel-wide byte, not an individual pixel column) |
|
wRow |
Y-position, pixel-aligned |
|
bData |
Byte to write |
|
bPlane |
Which GRAM plane to write to (EPD_Plane_BW/EPD_Plane_OLD or EPD_Plane_RY/EPD_Plane_NEW) |
Sends a byte to the given position in the corresponding driver IC GRAM plane.
This is the smallest unit of data (8 pixels/bits) that the driver GRAM actually accepts — every write to the display, whether from a frame buffer or built pixel-by-pixel via EpdPixel(), ultimately comes down to a sequence of EpdByte() calls like this one.
It's the true low-level primitive this whole library's EPD output is built on.
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