hydroponic-controller/include/pump.h
2025-07-12 13:26:29 +02:00

128 lines
No EOL
3.3 KiB
C

#ifndef _PUMP_H_
#define _PUMP_H_
#include "wifi_functions.h"
const int pin_relais[]=PIN_RELAIS;
unsigned long valveOffTime[VALVECOUNT]; //array with millis when to turn off valve. 0->off, >0 -> turn valveid index off at this millis. Index offset by 1!
uint8_t srdata=0;
unsigned long relaisOffTime[RELAISCOUNT]; //array with millis when to turn off valve. 0->off, >0 -> turn valveid index off at this millis. Index offset by 1!
void srEnableValve(int valveid);
void srDisableValve(int valveid);
void srOutputOff();
bool enableValve(int valveid,unsigned long duration);
bool enableRelais(int relaisid,unsigned long duration);
void shiftOutSlow(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
#define MICROS_SHIFTDELAY 50
#define MICROS_SHIFT_LATCH 200
void pump_setup() {
pinMode(PIN_SERIAL_LATCH, OUTPUT);
pinMode(PIN_SERIAL_CLOCK, OUTPUT);
pinMode(PIN_SERIAL_DATA, OUTPUT);
for (uint8_t i=0;i<RELAISCOUNT;i++) {
pinMode(pin_relais[i], OUTPUT);
digitalWrite(pin_relais[i], HIGH); //active low
}
srOutputOff();
}
void pump_loop(unsigned long loopmillis) {
for (uint8_t i=0;i<VALVECOUNT;i++){
if (valveOffTime[i]!=0 && loopmillis>=valveOffTime[i]) { //time to turn off
valveOffTime[i]=0;
srDisableValve(i+1);
}
}
for (uint8_t i=0;i<RELAISCOUNT;i++){
if (relaisOffTime[i]!=0 && loopmillis>=relaisOffTime[i]) { //time to turn off
relaisOffTime[i]=0;
digitalWrite(pin_relais[i],HIGH); //active low
}
}
}
bool enableValve(int valveid,unsigned long duration) { //duration in ms
if (valveid>=1 && valveid<=VALVECOUNT) {
valveOffTime[valveid-1]=millis()+duration;
srEnableValve(valveid);
return true;
}else{
return false;
}
}
void srOutputOff() {
srdata=0;
digitalWrite(PIN_SERIAL_LATCH, LOW);
shiftOutSlow(PIN_SERIAL_DATA, PIN_SERIAL_CLOCK, MSBFIRST, srdata);
digitalWrite(PIN_SERIAL_LATCH, HIGH);
}
void srEnableValve(int valveid) {
if (valveid>=1 && valveid<=VALVECOUNT) {
srdata|= 1<<(valveid-1);
digitalWrite(PIN_SERIAL_LATCH, LOW);
shiftOutSlow(PIN_SERIAL_DATA, PIN_SERIAL_CLOCK, MSBFIRST, srdata);
digitalWrite(PIN_SERIAL_LATCH, HIGH);
}
Serial.print("enabled. srdata="); Serial.print(srdata); Serial.println();
}
void srDisableValve(int valveid) {
if (valveid>=1 && valveid<=VALVECOUNT) {
srdata&= ~(1<<(valveid-1));
digitalWrite(PIN_SERIAL_LATCH, LOW);
shiftOutSlow(PIN_SERIAL_DATA, PIN_SERIAL_CLOCK, MSBFIRST, srdata);
digitalWrite(PIN_SERIAL_LATCH, HIGH);
}
Serial.print("disabled. srdata="); Serial.print(srdata); Serial.println();
}
void shiftOutSlow(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val)
{
uint8_t i;
for (i = 0; i < 8; i++) {
if (bitOrder == LSBFIRST)
digitalWrite(dataPin, !!(val & (1 << i)));
else
digitalWrite(dataPin, !!(val & (1 << (7 - i))));
delayMicroseconds(MICROS_SHIFTDELAY);
digitalWrite(clockPin, HIGH);
delayMicroseconds(MICROS_SHIFTDELAY);
digitalWrite(clockPin, LOW);
}
}
bool enableRelais(int relaisid,unsigned long duration) { //duration in ms
if (relaisid>=1 && relaisid<=VALVECOUNT) {
relaisOffTime[relaisid-1]=millis()+duration;
digitalWrite(pin_relais[relaisid-1],LOW); //active low
return true;
}else{
return false;
}
}
#endif