From 6a7213de60e813aa09372c25321b79d0a0fe851e Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Wed, 8 Apr 2020 13:45:14 +0200
Subject: [PATCH] Add statistics reset command

---
 fantemp/statistics.cpp |  8 ++++++++
 fantemp/statistics.hpp |  1 +
 fantemp/terminal.hpp   | 13 ++++++++++++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/fantemp/statistics.cpp b/fantemp/statistics.cpp
index 4af0cb9..915fc59 100644
--- a/fantemp/statistics.cpp
+++ b/fantemp/statistics.cpp
@@ -48,6 +48,14 @@ void Statistics::callback()
 	}
 }
 
+void Statistics::reset()
+{
+	for (uint8_t i = 0; i < TEMPERATURE_RANGE; ++i) {
+		m_temperatureHistogram[i] = 0;
+		g_eepTemperatureHistogram[i] = 0;
+	}
+}
+
 uint8_t Statistics::getMinTemperature()
 {
 	for (uint8_t i = 0; i < TEMPERATURE_RANGE; ++i) {
diff --git a/fantemp/statistics.hpp b/fantemp/statistics.hpp
index e27c598..e9d19c5 100644
--- a/fantemp/statistics.hpp
+++ b/fantemp/statistics.hpp
@@ -8,6 +8,7 @@ class Statistics {
 
 	static void init();
 	static void callback();
+	static void reset();
 
 	static uint8_t getMinTemperature();
 	static uint8_t getMaxTemperature();
diff --git a/fantemp/terminal.hpp b/fantemp/terminal.hpp
index ae4a22d..e9c7550 100644
--- a/fantemp/terminal.hpp
+++ b/fantemp/terminal.hpp
@@ -22,10 +22,11 @@ GF(MONITOR_CMD, "monitor");
 GF(BOOTLOADER_CMD, "bootloader");
 GF(UPTIME_CMD, "uptime");
 GF(STATISTICS_CMD, "statistics");
+GF(RESET_CMD, "reset");
 GF(HISTOGRAM_CMD, "histogram");
 
 GF(VERSION_CMD, "version");
-GF(VERSION, "1.5");
+GF(VERSION, "1.6");
 
 static inline bool substringEquals(const char *str, const ::detail::FlashString *flashStr, const size_t &size)
 {
@@ -149,6 +150,8 @@ class Terminal {
 					printStatistics();
 				} else if (substringEquals(m_inputBuffer, detail::HISTOGRAM_CMD, m_inputSize)) {
 					printHistogram();
+				} else if (stringEquals(m_inputBuffer, detail::RESET_CMD, m_inputSize)) {
+					handleReset();
 				} else if (substringEquals(m_inputBuffer, detail::VERSION_CMD, m_inputSize)) {
 					printVersion();
 				} else {
@@ -179,6 +182,7 @@ class Terminal {
 		m_serial << detail::UPTIME_CMD << F(" .....: shows system uptime") << detail::ENDL;
 		m_serial << detail::STATISTICS_CMD << F(" .: prints overall statistics like min and max temp") << detail::ENDL;
 		m_serial << detail::HISTOGRAM_CMD << F(" ..: prints a histogram of the temperature") << detail::ENDL;
+		m_serial << detail::RESET_CMD << F(" ......: resets statistics to 0 in EEPROM and RAM") << detail::ENDL;
 		m_serial << detail::VERSION_CMD << F(" ....: displays firmware version") << detail::ENDL;
 	}
 
@@ -290,6 +294,13 @@ class Terminal {
 		}
 	}
 
+	static void handleReset()
+	{
+		m_serial << F("Resetting statistics in EEPROM and RAM") << detail::ENDL;
+		Statistics::reset();
+		m_serial << F("Reset statistics") << detail::ENDL;
+	}
+
 	static void printVersion()
 	{
 		m_serial << F("FanTemp v") << detail::VERSION << detail::ENDL;