73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
#ifndef _FLOW_H_
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#define _FLOW_H_
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mqttValueTiming timing_flow_a;
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mqttValueTiming timing_flow_b;
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#define FLOW_A_PIN 16
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#define FLOW_B_PIN 17
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uint16_t flow_a_counter=0; //maximum counts/s measured with Eden 128 Pump was 171
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uint16_t flow_b_counter=0; //maximum counts/s measured with Eden 128 Pump was 171
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void IRAM_ATTR isr_flow_a();
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void IRAM_ATTR isr_flow_b();
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unsigned long last_read_flow_a=0;
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unsigned long last_read_flow_b=0;
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#define READINTERVAL_FLOW 10000
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float flow_factor=7.5; //F=7.5*flowrate[L/min]
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float flow_a;
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float flow_b;
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uint32_t flow_a_counter_sum=0;
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uint32_t flow_b_counter_sum=0;
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void flow_setup() {
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timing_flow_a.minchange=0.0;
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timing_flow_a.maxchange=0.3;
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timing_flow_a.mintime=10*000;
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timing_flow_a.maxtime=30*60*1000;
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timing_flow_b.minchange=0.0;
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timing_flow_b.maxchange=0.3;
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timing_flow_b.mintime=10*000;
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timing_flow_b.maxtime=30*60*1000;
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pinMode(FLOW_A_PIN, INPUT_PULLUP);
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pinMode(FLOW_B_PIN, INPUT_PULLUP);
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attachInterrupt(FLOW_A_PIN, isr_flow_a, CHANGE);
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attachInterrupt(FLOW_B_PIN, isr_flow_b, CHANGE);
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}
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void flow_loop(unsigned long loopmillis) {
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if (loopmillis>=last_read_flow_a+READINTERVAL_FLOW) {
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flow_a=flow_a_counter*1000.0/(loopmillis-last_read_flow_a)/2.0; //Frequency [Hz]
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flow_a/=flow_factor; //[L/min]
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flow_a_counter=0;
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last_read_flow_a=loopmillis;
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}
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if (loopmillis>=last_read_flow_b+READINTERVAL_FLOW) {
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flow_b=flow_b_counter*1000.0/(loopmillis-last_read_flow_b)/2.0; //Frequency [Hz]
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flow_b/=flow_factor; //[L/min]
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flow_b_counter=0;
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last_read_flow_b=loopmillis;
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}
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}
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void IRAM_ATTR isr_flow_a() {
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flow_a_counter++;
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flow_a_counter_sum++;
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}
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void IRAM_ATTR isr_flow_b() {
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flow_b_counter++;
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flow_b_counter_sum++;
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}
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#endif |