From 20cfad1d63500e640cd802d8bc88e934305b0ac9 Mon Sep 17 00:00:00 2001
From: janakelarsson <jan-ake.larsson@liu.se>
Date: Fri, 5 Jun 2020 07:34:42 +0200
Subject: [PATCH] Don't use RESET_N pin
Data sheet discourages use of SARA modem reset pin, use may lead to irrecoverable state of modem
---
variants/mkrnb1500/variant.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/variants/mkrnb1500/variant.cpp b/variants/mkrnb1500/variant.cpp
index acaf9cdf2..5e61669e5 100644
--- a/variants/mkrnb1500/variant.cpp
+++ b/variants/mkrnb1500/variant.cpp
@@ -252,9 +252,10 @@ void initVariant() {
pinMode(SARA_PWR_ON, OUTPUT);
digitalWrite(SARA_PWR_ON, LOW);
- // put SARA modem in reset on start to conserve power if it's not used
+ // data sheet discourages use of SARA modem reset pin
+ // use may lead to irrecoverable state of modem
pinMode(SARA_RESETN, OUTPUT);
- digitalWrite(SARA_RESETN, HIGH);
+ digitalWrite(SARA_RESETN, LOW);
// set RTS to LOW
pinMode(SARA_RTS, OUTPUT);