From 4eb4e43cbe1c0d331586c3cd69c365a3306f4f3f Mon Sep 17 00:00:00 2001 From: Silvano Seva Date: Sat, 20 Nov 2021 08:36:22 +0100 Subject: [PATCH] Activated GPIO pull-up resistors on MD3x0 PTT lines, as it seems that RT3 radios lack a physical pull-up resistor on those GPIOs. See #52 --- platform/targets/MD-3x0/platform.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/platform/targets/MD-3x0/platform.c b/platform/targets/MD-3x0/platform.c index 561b2e48..8fde08b4 100644 --- a/platform/targets/MD-3x0/platform.c +++ b/platform/targets/MD-3x0/platform.c @@ -43,8 +43,8 @@ void platform_init() gpio_setMode(CH_SELECTOR_2, INPUT); gpio_setMode(CH_SELECTOR_3, INPUT); - gpio_setMode(PTT_SW, INPUT); - gpio_setMode(PTT_EXT, INPUT); + gpio_setMode(PTT_SW, INPUT_PULL_UP); + gpio_setMode(PTT_EXT, INPUT_PULL_UP); gpio_setMode(PWR_SW, OUTPUT); gpio_setPin(PWR_SW);