bugfix in hantek 6022BL voltage range selection

[sigrok-firmware-fx2lafw.git] / include / scope.inc

diff --git a/include/scope.inc b/include/scope.inc
index 0145b2b6bebefa4aa78546366ea6d61724ae71de..96422f1bca88fbae0a60f517df62bb919d635bc3 100644 (file)
--- a/include/scope.inc
+++ b/include/scope.inc
@@ -74,6 +74,7 @@ void suspend_isr(void) __interrupt SUSPEND_ISR
 
 void timer2_isr(void) __interrupt TF2_ISR
 {
+       /* Toggle the probe calibration pin, only accurate up to ca. 8MHz. */
        TOGGLE_CALIBRATION_PIN();
 
        if (ledcounter && (--ledcounter == 0))