67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
/**** Includes ****/
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#include "../utils/utils.h"
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#include "fuse.h"
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using namespace hw;
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/**** Private definitions ****/
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/**** Private constants ****/
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/**** Private variables ****/
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/**** Private function declarations ****/
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/**** Public function definitions ****/
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hw::Fuse::Fuse(bsp::AnalogIn* ain_ch)
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{
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this->hold_current = 0;
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this->trip_cycles = 0;
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this->warning = 0;
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this->fault = 0;
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this->cooldown_counter = 0;
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this->cooldown_cycles = 0;
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this->retry_cnt = 0;
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}
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hw::Fuse::~Fuse(void)
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{
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return;
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}
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void hw::Fuse::update(void)
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{
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// Under threshold
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if(this->ain_ch->last_read <= this->hold_current)
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{
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// Clear warning flag
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this->warning = 0;
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// OC energy counter
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if(this->oc_counter > 0) this->oc_counter--;
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// Cool down fuse
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if(this->cooldown_counter > 0) this->cooldown_counter--;
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// Auto reset logic
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if((this->fault)&&(this->cooldown_counter==0))
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{
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this->fault = 0;
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this->retry_cnt = util::sat_add(this->retry_cnt, 1);
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};
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return;
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};
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// Over current condition
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this->warning = 1;
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// PC energy counter
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this->oc_counter = util::sat_add(this->oc_counter, 1);
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// Check for trip threshold
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if(this->oc_counter < this->trip_cycles) return;
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// Trip fuse
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this->fault = 1;
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this->cooldown_counter = this->cooldown_cycles;
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}
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/**** Private function definitions ****/
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