From e065cdfe20905d1c4957b6ad12d0fa331b9ea0c0 Mon Sep 17 00:00:00 2001 From: Jared Boone Date: Sat, 11 May 2013 12:13:00 -0700 Subject: [PATCH] Slowed down edges on LED and power enable signals -- they don't need to be fast, and this *might* have a negligible but positive effect on noise. --- firmware/common/hackrf_core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/firmware/common/hackrf_core.c b/firmware/common/hackrf_core.c index f2abd656..9f5806eb 100644 --- a/firmware/common/hackrf_core.c +++ b/firmware/common/hackrf_core.c @@ -368,11 +368,11 @@ void pin_setup(void) { GPIO_DIR(PORT_CPLD_TDI) &= ~PIN_CPLD_TDI; /* Configure SCU Pin Mux as GPIO */ - scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_FAST); - scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_FAST); - scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_FAST); + scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_NOPULL); + scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_NOPULL); + scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_NOPULL); - scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_FAST); + scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL); scu_pinmux(SCU_PINMUX_BOOT0, SCU_GPIO_FAST); scu_pinmux(SCU_PINMUX_BOOT1, SCU_GPIO_FAST);