From 4cfabde4253a7bb1b0baafb836374ae9d17e038c Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@phys.ethz.ch>
Date: Thu, 20 Mar 2025 17:06:39 +0100
Subject: [PATCH] Now also flush buffer when waiting for read
---
firmware/drivers/communicator/communicator.cpp | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/firmware/drivers/communicator/communicator.cpp b/firmware/drivers/communicator/communicator.cpp
index 1fdde41..46ac787 100644
--- a/firmware/drivers/communicator/communicator.cpp
+++ b/firmware/drivers/communicator/communicator.cpp
@@ -30,6 +30,10 @@ double checkFreeMemory() {
bool Communicator::communicate(){
+ if (SERCHAN.available() >= SERIAL_BUFFER_SIZE) {
+ Serial.println("Warning: Serial buffer overflow!");
+ flushSerialBuffer_(); // Clear it to prevent overflow issues
+ }
if(!serialCharAvailable_()){ //no communication
if(msElapsedSinceLastTransaction_() > interval_assume_eow_ms_){
//no sign of supervision for 30 minutes, shut down
@@ -255,3 +259,9 @@ unsigned long Communicator::msElapsedSinceLastTransaction_(){
}
+void Communicator::flushSerialBuffer_(){
+ while (SERCHAN.available()) {
+ SERCHAN.read(); // Dump any remaining data
+ }
+}
+
--
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