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irqhandler.h: bugfix mask_user_IRQ mutex

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This commit is contained in:
Verkehrsrot 2019-07-16 21:17:13 +02:00
parent ddaf15d61f
commit 1117dc5520
1 changed files with 6 additions and 3 deletions
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9
src/irqhandler.cpp
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@ -121,13 +121,16 @@ void IRAM_ATTR GpsIRQ() {
int mask_user_IRQ() {
// begin of time critical section: lock I2C bus to ensure accurate timing
if (!I2C_MUTEX_LOCK())
if (I2C_MUTEX_LOCK()) {
xTaskNotify(irqHandlerTask, MASK_IRQ, eSetBits);
return 0;
} else
return 1; // failure
xTaskNotify(irqHandlerTask, MASK_IRQ, eSetBits);
}
int unmask_user_IRQ() {
// end of time critical section: release I2C bus
I2C_MUTEX_UNLOCK();
xTaskNotify(irqHandlerTask, UNMASK_IRQ, eSetBits);
}
return 0;
}