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path: root/src/drivers/ao_vga.c
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* altos: Document a few more SPI mode bits in VGA driverKeith Packard2017-04-09
| | | | | | Just comment changes Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add VGA driver for STM32L processorsKeith Packard2017-02-20
Generates vsync/hsync using timers and pixel data using the SPI port. 320x240 video using 640x480 mode and a 24MHz "pixel" clock. Signed-off-by: Keith Packard <keithp@keithp.com>