Implement pump control via port register

firmware/atmega/source/main.c

@@ -3,8 +3,11 @@
 #include <avr/sleep.h>
 #include <avr/wdt.h>
 #include <avr/interrupt.h>
-#include "moisture.h"
 #include "adc.h"
+#include "moisture.h"
+#include "pump.h"
+
+
 
 ISR(WDT_vect) {
     triggerRead();
@@ -27,8 +30,8 @@ void enterSleep(void) {
 
 void setup(void) {
     adcInit();
-    //pumpsInit();
     sensorsInit();
+    //pumpsInit();
     watchdogs();
 }
 

firmware/atmega/source/pump.c

@@ -10,17 +10,15 @@ void pumpsInit(void) {
               (1 << PUMP_D4) |
               (1 << PUMP_D3) |
               0 | 0 | 0 ));
-    // Disable pullup
-    PORTD &= ~((1 << PUMP_D7) |
-               (1 << PUMP_D6) |
-               (1 << PUMP_D5) |
-               (1 << PUMP_D4) |
-               (1 << PUMP_D3) |
-               0 | 0 | 0 ));
 }
 
 void triggerPump(int8_t pump_pin, int16_t milliseconds) {
-    // turn on pump
-    // watchdog for n milliseconds
-    // turn of pump
+    // Turn on pump
+    PORTD |= (1 << pump_pin);
+
+    // timer for n milliseconds
+    // NOTE: watchout for overflows!! create a safety net.
+
+    // Turn off pump
+    PORTD &= ~(1 << pump_pin);
 }