From 4ca0fda8d7faf45e86ff05eca2c7a3b3a2d5807f Mon Sep 17 00:00:00 2001
From: Pascal <engelerp@phys.ethz.ch>
Date: Tue, 27 Feb 2024 11:16:07 +0100
Subject: [PATCH] Added class for pure temperature observation
---
.../temperature_communicator.cpp | 65 +++++++++++++++++++
.../temperature_communicator.hpp | 26 ++++++++
2 files changed, 91 insertions(+)
create mode 100644 firmware/drivers/temperature_communicator/temperature_communicator.cpp
create mode 100644 firmware/drivers/temperature_communicator/temperature_communicator.hpp
diff --git a/firmware/drivers/temperature_communicator/temperature_communicator.cpp b/firmware/drivers/temperature_communicator/temperature_communicator.cpp
new file mode 100644
index 0000000..465bb41
--- /dev/null
+++ b/firmware/drivers/temperature_communicator/temperature_communicator.cpp
@@ -0,0 +1,65 @@
+#include <temperature_communicator.hpp>
+#include <cstdio> //snprintf
+#include <utility.hpp>
+#include <cstdlib> //std::strtod
+#include <algorithm> //This is necessary to fix a bug that cost me 4h.
+#include <Arduino.h>
+
+char TemperatureCommunicator::outbuf_[256]; //out buffer
+char TemperatureCommunicator::cmd_ = 'X'; //command received
+
+bool TemperatureCommunicator::communicate(){
+ if(!serialCharAvailable_()){ //no communication
+ // if(msElapsedSinceLastTransaction_() > interval_assume_eow_ms_){
+ //no sign of supervision for 30 minutes
+ // }
+ // else{
+ //have supervision
+ // }
+ return false;
+ }
+ else{
+ cmd_ = getSerialChar_();
+ if(cmd_ == 't'){ //getTemperature
+ snprintf( outbuf_,
+ 255,
+ "%f,%f,%f,%f,%f;",
+ Temperatures::temperatures[0],
+ Temperatures::temperatures[1],
+ Temperatures::temperatures[2],
+ Temperatures::temperatures[3],
+ Temperatures::temperatures[4]
+ );
+ sendBuf_();
+ return true;
+ }
+ else{ //invalid command
+ handleInvalidCommand_();
+ return false;
+ }
+ }
+}
+
+bool TemperatureCommunicator::serialCharAvailable_(){
+ return SERCHAN.available() > 0;
+}
+
+char TemperatureCommunicator::getSerialChar_(){
+ int newChar = SERCHAN.read();
+ if(newChar < 0 || newChar >= 128){//invalid char
+ return 'X';
+ }
+ else{
+ return char(newChar);
+ }
+}
+
+void TemperatureCommunicator::sendBuf_(){
+ SERCHAN.write(outbuf_);
+}
+
+void TemperatureCommunicator::handleInvalidCommand_(){
+ snprintf(outbuf_, 255, "!");
+ sendBuf_();
+ return;
+}
\ No newline at end of file
diff --git a/firmware/drivers/temperature_communicator/temperature_communicator.hpp b/firmware/drivers/temperature_communicator/temperature_communicator.hpp
new file mode 100644
index 0000000..0b29e9b
--- /dev/null
+++ b/firmware/drivers/temperature_communicator/temperature_communicator.hpp
@@ -0,0 +1,26 @@
+#ifndef TEMPERATURECOMMUNICATOR_HPP_INCLUDED
+#define TEMPERATURECOMMUNICATOR_HPP_INCLUDED
+#include <algorithm>
+#include <vector>
+
+#define SERCHAN SerialUSB
+
+class TemperatureCommunicator{
+public:
+ static bool communicate();
+
+private:
+ /*Function Members*/
+ static bool serialCharAvailable_();
+
+ static char getSerialChar_();
+ static void sendBuf_();
+
+ static void handleInvalidCommand_();
+
+ /*Data Members*/
+ static char outbuf_[256];
+ static char cmd_;
+};
+
+#endif
\ No newline at end of file
--
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