X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=include%2Fscope.inc;h=96422f1bca88fbae0a60f517df62bb919d635bc3;hb=87da1d2ca36220b7e55a80b3825a3cbf96c747b7;hp=0145b2b6bebefa4aa78546366ea6d61724ae71de;hpb=b48a78c1beb65f7ea2e3ae8bfe33859ead122d86;p=sigrok-firmware-fx2lafw.git

diff --git a/include/scope.inc b/include/scope.inc
index 0145b2b6..96422f1b 100644
--- 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))