From 9a80642a3f9072e32b67a0ec705fad0318a04e5e Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Tue, 4 Jul 2017 17:29:02 +0200
Subject: [PATCH] Fix a couple of problems with UART
HW flow control is still not working, probably some low lovel work is needed.
---
variants/mkrgsm1400/variant.cpp | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/variants/mkrgsm1400/variant.cpp b/variants/mkrgsm1400/variant.cpp
index efd368b1..f7de31ed 100644
--- a/variants/mkrgsm1400/variant.cpp
+++ b/variants/mkrgsm1400/variant.cpp
@@ -146,8 +146,8 @@ const PinDescription g_APinDescription[] = {
// DIPO=3 DOPO=0
{ PORTA, 12, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MOSI: SERCOM2/PAD[0]
{ PORTA, 13, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCK: SERCOM2/PAD[1]
- { PORTA, 14, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SS: as GPIO
- { PORTA, 15, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM2/PAD[3]
+ { PORTA, 14, PIO_SERCOM, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SS: as GPIO
+ { PORTA, 15, PIO_SERCOM, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM2/PAD[3]
{ PORTA, 27, PIO_DIGITAL, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_15 },
{ PORTB, 8, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG ), ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
@@ -202,6 +202,13 @@ static inline void set_pmic_safe_defaults() {}
void initVariant() {
set_pmic_safe_defaults();
+ // Workaround for RTS not being controlled correctly
+ pinMode(28, OUTPUT);
+ digitalWrite(28, LOW);
+ pinMode(31, OUTPUT);
+ digitalWrite(31, HIGH);
+ delay(100);
+ digitalWrite(31, LOW);
}
// Serial1
--
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