Rev 31 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 31 | Rev 32 | ||
|---|---|---|---|
| Line 56... | Line 56... | ||
| 56 | 56 | ||
| 57 | /* USER CODE BEGIN PV */ |
57 | /* USER CODE BEGIN PV */ |
| 58 | /* Private variables ---------------------------------------------------------*/ |
58 | /* Private variables ---------------------------------------------------------*/ |
| 59 | 59 | ||
| 60 | // with a dwell angle of 45 degrees , 4 cylinders and a maximum RPM of 5000 |
60 | // with a dwell angle of 45 degrees , 4 cylinders and a maximum RPM of 5000 |
| 61 | // freq = 5000/60 * 2 = 166Hz. Because the breaker might bounce , we accept the first pulse longer than 1/300 of a second as being a proper closure . |
61 | // freq = 5000/60 * 2 = 166Hz. |
| 62 | // the TIM2 counter counts in 10uS increments, |
62 | // the TIM2 counter counts in 10uS increments, |
| 63 | // TODO this is wrong algo. Accept FIRST pulse, skip shorter pulses |
63 | // TODO this is wrong algo. Accept FIRST pulse, skip shorter pulses |
| - | 64 | // Accept the first pulse with over 1mS duration as the closure |
|
| 64 | #define BREAKER_MIN (RPM_COUNT_RATE/300) |
65 | #define BREAKER_MIN (RPM_COUNT_RATE/1000) |
| 65 | 66 | ||
| 66 | #define RPM_AVERAGE 4 |
67 | #define RPM_AVERAGE 4 |
| 67 | 68 | ||
| 68 | // wait for about 1 second to decide whether or not starter is on |
69 | // wait for about 1 second to decide whether or not starter is on |
| 69 | 70 | ||