| #include "aos/util/wrapping_counter.h" | |
| namespace aos { | |
| namespace util { | |
| WrappingCounter::WrappingCounter(int32_t initial_count) | |
| : count_(initial_count), last_count_(0) {} | |
| int32_t WrappingCounter::Update(uint8_t current) { | |
| if (last_count_ > current) { | |
| count_ += 0x100; | |
| } | |
| count_ = (count_ & 0xffffff00) | current; | |
| last_count_ = current; | |
| return count_; | |
| } | |
| } // namespace util | |
| } // namespace aos |