mjb/altos/src/drivers/ao_matrix.c, branch telefire-4-no-addr AltOS - the operating system for Altus Metrum products https://git.ethernal.org/mjb/altos/atom?h=telefire-4-no-addr 2017-04-09T19:53:34+00:00 altos: Drive row low instead of high in matrix driver 2017-04-09T19:53:34+00:00 Keith Packard keithp@keithp.com 2017-04-09T19:53:34+00:00 urn:sha1:24cd5dd33ccf65c1b277911c460a89ec2b52e421 Driving it high won't work all that well as we're looking for zero bits. Signed-off-by: Keith Packard <keithp@keithp.com> altos: add button matrix driver 2017-04-03T02:30:57+00:00 Keith Packard keithp@keithp.com 2017-04-03T02:30:57+00:00 urn:sha1:09f8710eb320f37f20dda8c635497c2b505d25e2 Scans the matrix once per clock tick queuing events for changed keys. Signed-off-by: Keith Packard <keithp@keithp.com>