sainsmartks: Initial Implementation

This driver was developed with a Sainsmart LCD Keypad Shield.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/c++/CMakeLists.txt

@@ -128,6 +128,7 @@ add_executable (rgbringcoder-example rgbringcoder.cxx)
 add_executable (hp20x-example hp20x.cxx)
 add_executable (pn532-example pn532.cxx)
 add_executable (pn532-writeurl-example pn532-writeurl.cxx)
+add_executable (sainsmartks-example sainsmartks.cxx)
 
 include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
 include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@@ -362,3 +363,4 @@ target_link_libraries (rgbringcoder-example rgbringcoder ${CMAKE_THREAD_LIBS_INI
 target_link_libraries (hp20x-example hp20x ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (pn532-example pn532 ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (pn532-writeurl-example pn532 ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (sainsmartks-example i2clcd ${CMAKE_THREAD_LIBS_INIT})

examples/c++/sainsmartks.cxx

@@ -0,0 +1,66 @@
+/*
+ * Author: Jon Trulson <jtrulson@ics.com>
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <signal.h>
+#include <iostream>
+
+#include "sainsmartks.h"
+
+using namespace std;
+
+int shouldRun = true;
+
+void sig_handler(int signo)
+{
+  if (signo == SIGINT)
+    shouldRun = false;
+}
+
+
+int main(int argc, char **argv)
+{
+  signal(SIGINT, sig_handler);
+
+//! [Interesting]
+  // use default pins
+  upm::SAINSMARTKS* lcd = new upm::SAINSMARTKS();
+  lcd->setCursor(0,0);
+  lcd->write("Sainsmart KS");
+  lcd->setCursor(1,2);
+  lcd->write("Hello World");
+
+  // output current key value every second.
+   while (shouldRun)
+     {
+       cout << "Button value: " << lcd->getRawKeyValue() << endl;
+       sleep(1);
+     }
+
+//! [Interesting]
+
+  delete lcd;
+  
+  return 0;
+}

examples/javascript/sainsmartks.js

@@ -0,0 +1,53 @@
+/*jslint node:true, vars:true, bitwise:true, unparam:true */
+/*jshint unused:true */
+
+/*
+ * Author: Jon Trulson <jtrulson@ics.com>
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+var sainsmartObj = require('jsupm_i2clcd');
+
+// Instantiate a Sainsmart LCD Keypad Shield using default pins
+var lcd = new sainsmartObj.SAINSMARTKS();
+
+lcd.setCursor(0,0);
+lcd.write("Sainsmart KS");
+lcd.setCursor(1,2);
+lcd.write("Hello World");
+
+// output current key value every second.
+setInterval(function()
+{
+    console.log("Button value: " + lcd.getRawKeyValue());
+}, 1000);
+
+// exit on ^C
+process.on('SIGINT', function()
+{
+    lcd = null;
+    sainsmartObj.cleanUp();
+    sainsmartObj = null;
+    console.log("Exiting.");
+    process.exit(0);
+});
+

examples/python/sainsmartks.py

@@ -0,0 +1,54 @@
+#!/usr/bin/python
+# Author: Jon Trulson <jtrulson@ics.com>
+# Copyright (c) 2015 Intel Corporation.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import time, sys, signal, atexit
+import pyupm_i2clcd as sainsmartObj
+
+## Exit handlers ##
+# This stops python from printing a stacktrace when you hit control-C
+def SIGINTHandler(signum, frame):
+	raise SystemExit
+
+# This function lets you run code on exit,
+# including functions from ringCoder
+def exitHandler():
+	print "Exiting"
+	sys.exit(0)
+
+# Register exit handlers
+atexit.register(exitHandler)
+signal.signal(signal.SIGINT, SIGINTHandler)
+
+# Instantiate a Sainsmart LCD Keypad Shield using default pins
+lcd = sainsmartObj.SAINSMARTKS()
+
+lcd.setCursor(0,0)
+lcd.write("Sainsmart KS")
+lcd.setCursor(1,2)
+lcd.write("Hello World")
+
+# output current key value every second.
+while(1):
+    print "Button value: ", lcd.getRawKeyValue()
+    time.sleep(1)
+