From 0cdf271d01acd455435f4d7d0c5b8969a52dc499 Mon Sep 17 00:00:00 2001
From: Alex Alvarado <931857-alexb737@users.noreply.gitlab.com>
Date: Tue, 17 May 2022 12:21:13 +0200
Subject: [PATCH] Implemented send-lock for 'thread-safety' Implemented
 incoming command handling

---
 src/main.cpp | 46 +++++++++++++++++++++++++++++-----------------
 1 file changed, 29 insertions(+), 17 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 8572170..f2c6e11 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -41,25 +41,38 @@ void requestHandler()
 
 void receiveHandler(int length)
 {
-  for (uint8_t i = 0; i < length; i++)
+  sendLock = true;
+  int i = 0;
+  while (Wire.available() > 0)
+  {
     master_data[i] = Wire.read();
+    i++;
+  }
 
+  sendLock = false;
   // El mensaje es un comando de cronómetro
-  //if (master_data[0] == ChronoAPICommand::type)
-  //{
-  //  switch ((ChronoCommands)master_data)
-  //  {
-  //  case (ChronoCommands::ForceStart):
-  //    started = true;
-  //    break;
-  //  case (ChronoCommands::ForceStop):
-  //    started = false;
-  //    break;
-  //  case (ChronoCommands::ForceReset):
-  //    reference = millis();
-  //    break;
-  //  }
-  //}
+  if (master_data[0] == DATAGRAM_HDR)
+  {
+    buffer<ChronoAPICommand> comBuffer;
+    for (size_t i = 0; i < sizeof(comBuffer.data); i++)
+      comBuffer.buffer[i] = master_data[i];
+
+    switch (comBuffer.data.command)
+    {
+    case (ChronoCommands::ForceStart):
+      reference = millis();
+      ms.data = 0;
+      started = true;
+      break;
+    case (ChronoCommands::ForceStop):
+      started = false;
+      break;
+    case (ChronoCommands::ForceReset):
+      reference = millis();
+      ms.data = 0;
+      break;
+    }
+  }
 }
 
 // Vector INT0 para detectar interrupciones
@@ -110,7 +123,6 @@ void setup()
 
 void loop()
 {
-
   if (started)                      // Si el cronómetro está funcionando:
     ms.data = millis() - reference; //   Actualizar marca de tiempo
   delay(1);                         // Darle tiempo al attiny para que se haga un café