From 05cad893a2b713827cf4cdc9afe49675f18afcc7 Mon Sep 17 00:00:00 2001
From: Robin Mueller <muellerr@irs.uni-stuttgart.de>
Date: Tue, 6 Dec 2022 10:05:23 +0100
Subject: [PATCH] introduce error counter to avoid spam

---
 src/fsfw_hal/linux/i2c/I2cComIF.cpp | 11 +++++++----
 src/fsfw_hal/linux/i2c/I2cCookie.h  |  2 ++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/fsfw_hal/linux/i2c/I2cComIF.cpp b/src/fsfw_hal/linux/i2c/I2cComIF.cpp
index 1ad19e82..08151c03 100644
--- a/src/fsfw_hal/linux/i2c/I2cComIF.cpp
+++ b/src/fsfw_hal/linux/i2c/I2cComIF.cpp
@@ -109,14 +109,17 @@ ReturnValue_t I2cComIF::sendMessage(CookieIF* cookie, const uint8_t* sendData, s
   }
 
   if (write(fd, sendData, sendLen) != static_cast<int>(sendLen)) {
+    i2cCookie->errorCounter++;
+    if (i2cCookie->errorCounter < 3) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
-    sif::error << "I2cComIF::sendMessage: Failed to send data to I2C "
-                  "device with error code "
-               << errno << ". Error description: " << strerror(errno) << std::endl;
+      sif::error << "I2cComIF::sendMessage: Failed to send data to I2C "
+                    "device with error code "
+                 << errno << ". Error description: " << strerror(errno) << std::endl;
 #endif
+    }
     return returnvalue::FAILED;
   }
-
+  i2cCookie->errorCounter = 0;
 #if FSFW_HAL_I2C_WIRETAPPING == 1
   sif::info << "Sent I2C data to bus " << deviceFile << ":" << std::endl;
   arrayprinter::print(sendData, sendLen);
diff --git a/src/fsfw_hal/linux/i2c/I2cCookie.h b/src/fsfw_hal/linux/i2c/I2cCookie.h
index 84a1873c..8be71205 100644
--- a/src/fsfw_hal/linux/i2c/I2cCookie.h
+++ b/src/fsfw_hal/linux/i2c/I2cCookie.h
@@ -27,6 +27,8 @@ class I2cCookie : public CookieIF {
   size_t getMaxReplyLen() const;
   std::string getDeviceFile() const;
 
+  uint8_t errorCounter = 0;
+
  private:
   address_t i2cAddress = 0;
   size_t maxReplyLen = 0;