Basic alarm using low power interrupts
Changes
| Revision | Date | Who | Commit message |
|---|---|---|---|
| 4:503239af19b8 | 2018-10-18 | kgilbert | Add better sleep in main thread |
| 3:0f0f89079c95 | 2018-10-04 | kgilbert | Flip external alarm pin logic |
| 2:8e6c336d4e32 | 2018-10-04 | kgilbert | Change select to hard disable pins rather than toggle them |
| 1:aa3c38eaaeff | 2018-10-04 | kgilbert | Update main thread sleep entry |
| 0:d31de7b879e3 | 2018-10-03 | kgilbert | First pass at alarm example |