prosjekt.X/eeprom.h

@@ -23,7 +23,7 @@ extern "C" {
 
 // Struct for information on the controller.
 typedef struct {
-    uint8_t fanSpeed;
+    uint16_t ms_fanspeed_sample_rate;
 } config_t;
 
 // Check if EEPROM is ready to be written in

prosjekt.X/i2c.c

@@ -68,7 +68,7 @@ void i2c_stop_handler() {
     // Parse the received command data
     parse_command(i2c_recv, i2c_recv_len);
     
-    if (i2c_recv[0] == 0x22) {
+    if (i2c_recv[0] == CLEAR_BULK_FAN_SPEED || i2c_recv[0] == WRITE_CONFIG) {
         route_command(0);
     }
   }

prosjekt.X/main.c

@@ -27,18 +27,30 @@
 volatile uint16_t fan1_history[512] = {1, 2, 3, 4};
 volatile uint16_t fan2_history[512] = {2, 3, 4, 5};
 
+// Default config is 500ms sample rate
+volatile config_t config = { 500 };
+volatile bool store_config = false;
+
 int main() {
+  // Initialize functionality
   init_uart((uint16_t)9600);
   ADC0_init();
   init_led();
   init_i2c();
   stdout = &USART_stream;
 
+  // Read the stored config struct
+  config = read_struct_from_EEPROM();
+  
   PORTB.DIRSET = PIN3_bm;
   
   sei();
 
   while (1) {
-    ;
+      // If we have made a config change, store it.
+      if (store_config) {
+          write_struct_from_EEPROM(config);
+          store_config = false;
+      }
   }
 }