2 files changed, 9 insertions, 0 deletions
diff --git a/pyecsca/codegen/hal/stm32f3/stm32f3_hal.c b/pyecsca/codegen/hal/stm32f3/stm32f3_hal.c
index c07fe87..9f40104 100644
--- a/pyecsca/codegen/hal/stm32f3/stm32f3_hal.c
+++ b/pyecsca/codegen/hal/stm32f3/stm32f3_hal.c
@@ -109,6 +109,14 @@ bool trigger_status(void)
   return trig;
 }
 
+void trigger_flip(void) {
+	if (trig) {
+		trigger_low();
+	} else {
+		trigger_high();
+	}
+}
+
 void trigger_low(void)
 {
   trig = false;
diff --git a/pyecsca/codegen/hal/stm32f3/stm32f3_hal.h b/pyecsca/codegen/hal/stm32f3/stm32f3_hal.h
index 156a012..fb13792 100644
--- a/pyecsca/codegen/hal/stm32f3/stm32f3_hal.h
+++ b/pyecsca/codegen/hal/stm32f3/stm32f3_hal.h
@@ -30,6 +30,7 @@ char getch(void);
 void trigger_setup(void);
 void trigger_low(void);
 bool trigger_status(void);
+void trigger_flip(void);
 void trigger_high(void);
 
 void led_error(unsigned int x);