diff --git a/max31865.h b/max31865.h
--- a/max31865.h
+++ b/max31865.h
@@ -1,6 +1,15 @@
 #ifndef MAX31865_H 
-#define MAX31865_H 
+#define MAX31865_H
 
+#include "stm32f0xx_hal.h"
+#include "config.h"
+#include "stringhelpers.h"
+#include "states.h"
+#include "gpio.h"
+#include "spi.h"
+
+void max31865_config(SPI_HandleTypeDef* hspi1);
+void max31865_clear_errors(SPI_HandleTypeDef* hspi1);
 void max31865_readtemp(SPI_HandleTypeDef* hspi1, therm_settings_t* set, therm_status_t* status);
 
 #endif