Commit graph

102 commits

Author SHA1 Message Date
7f7d7b628a Interact with the display
Enable the SPI bus to configure the display and program its ram. For
that the fastest available SPI clock is used. To configure the display
a minimal config is used which is not identical but similar to the
displays datasheet. The display can only be filled columnwise so far.
2021-02-27 02:26:57 +01:00
0065fb630f Generate a PWM signal for the display
Generate a variable duty cycle PWM signal for the dimmable display
backlight at a frequency of 1.25kHz.

For demo und testing purposes PD5 is currently fading between 0 and
100%.
2021-02-19 15:46:36 +01:00