8 commits

Author	SHA1	Message	Date
Ondrej Jirman	04ca071b09	Fixup/document I2C	2021-06-19 02:51:23 +02:00
Ondrej Jirman	fbfa245ad4	Allow to use debug printing from interrupt handlers	2021-06-19 02:50:34 +02:00
Ondrej Jirman	2725248532	Add USB stack for easier printf() based debugging of the firmware	2021-06-18 19:43:11 +02:00
Ondrej Jirman	c8d8eef090	Fix key release change detection in polling mode	2021-06-18 18:28:56 +02:00
Ondrej Jirman	b9b02a5e73	Update some comments	2021-06-16 14:44:18 +02:00
Ondrej Jirman	bca8c47f46	Implement polled mode and key bitmap change signalling via external interrupt ... - this firmware consumes about 4-5 mA (can be probably made lower)	2021-06-16 14:09:25 +02:00
Ondrej Jirman	e59f647d83	Allow to switch to bootloader mode via FN+PINE+F	2021-06-15 09:21:31 +02:00
Ondrej Jirman	d3c45f58a4	Initial commit	2021-06-14 00:10:49 +02:00