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fix power change timer micros overflow

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This commit is contained in:
Harald Barth 2023-06-19 00:33:53 +02:00
parent f83be05220
commit 6dd175f63b
2 changed files with 5 additions and 4 deletions
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2
GITHUB_SHA.h
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@ -1 +1 @@
#define GITHUB_SHA "devel-202306181725Z"
#define GITHUB_SHA "devel-202306182233Z"

7
MotorDriver.h
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@ -190,9 +190,10 @@ class MotorDriver {
// was really long ago (approx > 52min) advance counter approx 35 min so that
// we are at 18 minutes again. Times for 32 bit unsigned long.
inline unsigned long microsSinceLastPowerChange() {
unsigned long diff = micros() - lastPowerChange;
if (diff > (1UL << (6 *sizeof(unsigned long))))
lastPowerChange += 1UL << (4 * sizeof(unsigned long));
unsigned long now = micros();
unsigned long diff = now - lastPowerChange;
if (diff > (1UL << (7 *sizeof(unsigned long)))) // 2^(4*7)us = 268.4 seconds
lastPowerChange = now - 30000000UL; // 30 seconds ago
return diff;
};
#ifdef ANALOG_READ_INTERRUPT