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| author | Lars-Dominik Braun <lars@6xq.net> | 2014-09-23 17:24:57 +0200 |
|---|---|---|
| committer | Lars-Dominik Braun <lars@6xq.net> | 2014-09-30 15:15:01 +0200 |
| commit | 6708da2661d693f855b6f56d69af1e2fb8502463 (patch) | |
| tree | 5b8eac0f6f40932417519cbdcd229caeabd8eee8 /i2c.c | |
| parent | 69cb10f51321a2443a3314c40fb2b8556aa804c0 (diff) | |
| download | hourglass-6708da2661d693f855b6f56d69af1e2fb8502463.tar.gz hourglass-6708da2661d693f855b6f56d69af1e2fb8502463.tar.bz2 hourglass-6708da2661d693f855b6f56d69af1e2fb8502463.zip | |
Add wakeup source mechanism
Should reduce amount of cpu wakeups with expensive computations.
Diffstat (limited to 'i2c.c')
| -rw-r--r-- | i2c.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -255,5 +255,8 @@ ISR(TWI_vect) { assert (0 && "nope\n"); break; } + if (twr.status == TWST_ERR || twr.status == TWST_OK) { + enableWakeup (WAKE_I2C); + } } |