Merge pull request #224 from schneider42/fix-hackrf-disabled-unused-c…

…locks fix(hackrf-core): Disable unused clock outputs
greatscottgadgets · Jan 22, 2016 · b278f05 · b278f05
2 parents 0418d13 + 84d800e
commit b278f05
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/firmware/common/hackrf_core.c b/firmware/common/hackrf_core.c
@@ -815,7 +815,11 @@ void pin_setup(void) {
 	scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_NOPULL);
 
 	scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL);
-
+
+	/* Disable unused clock outputs. They generate noise. */
+	scu_pinmux(CLK0, SCU_CLK_IN | SCU_CONF_FUNCTION7);
+	scu_pinmux(CLK2, SCU_CLK_IN | SCU_CONF_FUNCTION7);
+
 	/* Configure USB indicators */
 #if (defined JELLYBEAN || defined JAWBREAKER)
 	scu_pinmux(SCU_PINMUX_USB_LED0, SCU_CONF_FUNCTION3);