Read Scan Line

\i D N R word::no_of_pixels

Parameter	Type	Range	Description
no_of_pixels	word	1 ... display width	number of pixel to be scanned

Reads the color information of no_of_pixels pixels in a horizontal line from left to right, starting from the current cursor position.

Data for any reported pixel is made up as 16-Bit Color Value.
If no_of_pixels + the current column value exceeds the right margin, a [NACK] is sent instead of reporting the data.

Response:

[ACK] p0 ... [ACK]

Parameter	Type	Range	Description
p0 ...	word	0x0000 ... 0xFFFF	color value for pixels

Response Example

[ACK][00][00][00][00][FF][FF][FF][FF][FF][FF][ACK]

In this example a line of 5 pixels has been scanned. The first two pixels are black and pixels 3 to 5 are white.