From f12d265653719924d59c774312ff506dc16ea261 Mon Sep 17 00:00:00 2001
From: Federico Fissore <f.fissore@arduino.cc>
Date: Thu, 9 May 2013 11:14:59 +0200
Subject: Bridge lib moved bridge branch embedded into ide discovery branch

---
 libraries/Bridge/Process.cpp | 115 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 libraries/Bridge/Process.cpp

(limited to 'libraries/Bridge/Process.cpp')

diff --git a/libraries/Bridge/Process.cpp b/libraries/Bridge/Process.cpp
new file mode 100644
index 0000000..7265119
--- /dev/null
+++ b/libraries/Bridge/Process.cpp
@@ -0,0 +1,115 @@
+/*
+  Copyright (c) 2013 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <Process.h>
+
+Process::~Process() {
+  close();
+}
+
+size_t Process::write(uint8_t c) {
+  bridge.writeCommandInput(handle, &c, 1);
+  return 1;
+}
+
+void Process::flush() {
+}
+
+int Process::available() {
+  // Look if there is new data available
+  doBuffer();
+  return buffered;
+}
+
+int Process::read() {
+  doBuffer();
+  if (buffered == 0)
+    return -1; // no chars available
+  else {
+    buffered--;
+    return buffer[readPos++];
+  }
+}
+
+int Process::peek() {
+  doBuffer();
+  if (buffered == 0)
+    return -1; // no chars available
+  else
+    return buffer[readPos];
+}
+
+void Process::doBuffer() {
+  // If there are already char in buffer exit
+  if (buffered > 0)
+    return;
+
+  // Try to buffer up to 32 characters
+  readPos = 0;
+  buffered = bridge.readCommandOutput(handle, buffer, sizeof(buffer));
+}
+
+void Process::begin(String &command) {
+  close();
+  cmdline = new String(command);
+}
+
+void Process::begin(const char *command) {
+  close();
+  cmdline = new String(command);
+}
+
+void Process::addParameter(const char *param) {
+  *cmdline += "\xFE";
+  *cmdline += param;
+}
+
+void Process::addParameter(String &param) {
+  *cmdline += "\xFE";
+  *cmdline += param;
+}
+
+void Process::runAsynchronously() {
+  handle = bridge.runCommand(*cmdline);
+  delete cmdline;
+  cmdline = NULL;
+  
+  started = true;
+}
+
+boolean Process::running() {
+  return bridge.commandIsRunning(handle);
+}
+
+unsigned int Process::exitValue() {
+  return bridge.commandExitValue(handle);
+}
+
+unsigned int Process::run() {
+  runAsynchronously();
+  while (running())
+    delay(100);
+  return exitValue();
+}
+
+void Process::close() {
+  if (started)
+    bridge.cleanCommand(handle);
+  started = false;
+}
+
-- 
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