Mikrokontrollersystemer-gruppe-4/mikrokontrollersystemer-prosjekt
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Move index incrementation over storage

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This avoids the problem where the current index has outdated data.
It does however mean the first piece of stored data is empty, but it is
a worthwile tradeoff.
This commit is contained in:
Sebastian H. Gabrielli 2024-04-30 11:11:32 +02:00
parent bcd631001b
commit 1671476f41
1 changed files with 4 additions and 4 deletions
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8
prosjekt.X/fan_speeeed.c
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@ -99,10 +99,6 @@ ISR(AC1_AC_vect){ // AC1 vec flag
ISR (TCA0_OVF_vect) {
cli();
// Calculate the fanspeed
fan1_history[fan1_history_index] = RPM_calculation(fan1_edge_counter,timer_period_ms);
fan2_history[fan2_history_index] = RPM_calculation(fan2_edge_counter,timer_period_ms);
// Increment the index, or reset if it is at the top
if (fan1_history_index < 512) {
fan1_history_index++;
@ -116,6 +112,10 @@ ISR (TCA0_OVF_vect) {
fan2_history_index = 0;
}
// Calculate the fanspeed
fan1_history[fan1_history_index] = RPM_calculation(fan1_edge_counter,timer_period_ms);
fan2_history[fan2_history_index] = RPM_calculation(fan2_edge_counter,timer_period_ms);
// Reset the edge counter
fan1_edge_counter = 0;
fan2_edge_counter = 0;