diff --git a/src/tempsense.c b/src/tempsense.c
new file mode 100644
--- /dev/null
+++ b/src/tempsense.c
@@ -0,0 +1,53 @@
+//
+// TempSense: read temperature from TC, RTD, or NTC
+//
+
+#include "tempsense.h"
+#include "flash.h"
+#include "ssd1306/ssd1306.h"
+#include "max31856/max31856.h"
+
+
+void tempsense_init(void)
+{
+	// TODO: Rework SPI stuff... init the port in a sharedlib then pass ref to display and tempsense
+
+	max31856_init(spi_get(), TEMPSENSE_MAX_CS_PORT, TEMPSENSE_MAX_CS_PIN, 0);
+
+	// Maybe don't perform temp sensor setup in here, but in readtemp?
+	// what happens if the user changes the tempsense type while running?
+	// we need to re-init...
+
+
+}
+
+// Returns the latest reading from the configured temperature sensor
+float tempsense_readtemp(void)
+{
+
+	switch(flash_getsettings()->val.sensor_type)
+	{
+		case SENSOR_TC_K:
+		case SENSOR_TC_E:
+		case SENSOR_TC_N:
+		case SENSOR_TC_R:
+		case SENSOR_TC_S:
+		case SENSOR_TC_T:
+		{
+			// Read MAX31856
+		} break;
+
+		case SENSOR_NTC:
+		{
+			// Read analog value from internal ADC, linearize the reading, etc
+		} break;
+
+	}
+
+	// either return latest reading from DMA loop (NTC, etc)
+	// or initiate a blocking read and return it.
+	// Need to gracefully handle the timeout...
+}
+
+
+