diff --git a/src/codal_app/microbithal.cpp b/src/codal_app/microbithal.cpp
index 67ec283..c675108 100644
--- a/src/codal_app/microbithal.cpp
+++ b/src/codal_app/microbithal.cpp
@@ -213,6 +213,10 @@ void microbit_hal_pin_write_analog_u10(int pin, int value) {
     pin_obj[pin]->setAnalogValue(value);
 }
 
+void microbit_hal_pin_touch_calibrate(int pin) {
+    pin_obj[pin]->touchCalibrate();
+}
+
 int microbit_hal_pin_touch_state(int pin, int *was_touched, int *num_touches) {
     if (was_touched != NULL || num_touches != NULL) {
         int pin_state_index;
diff --git a/src/codal_app/microbithal.h b/src/codal_app/microbithal.h
index 2ebeaf0..114e67c 100644
--- a/src/codal_app/microbithal.h
+++ b/src/codal_app/microbithal.h
@@ -132,6 +132,7 @@ int microbit_hal_pin_read(int pin);
 void microbit_hal_pin_write(int pin, int value);
 int microbit_hal_pin_read_analog_u10(int pin);
 void microbit_hal_pin_write_analog_u10(int pin, int value);
+void microbit_hal_pin_touch_calibrate(int pin);
 int microbit_hal_pin_touch_state(int pin, int *was_touched, int *num_touches);
 void microbit_hal_pin_write_ws2812(int pin, const uint8_t *buf, size_t len);