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>

src/lcd/CMakeLists.txt

@@ -1,5 +1,5 @@
 set (libname "i2clcd")
 set (libdescription "upm lcd/oled displays")
-set (module_src lcd.cxx lcm1602.cxx jhd1313m1.cxx ssd1308.cxx ssd1327.cxx)
-set (module_h lcd.h lcm1602.h jhd1313m1.h ssd1308.h ssd1327.h ssd.h)
+set (module_src lcd.cxx lcm1602.cxx jhd1313m1.cxx ssd1308.cxx ssd1327.cxx sainsmartks.cxx)
+set (module_h lcd.h lcm1602.h jhd1313m1.h ssd1308.h ssd1327.h ssd.h sainsmartks.h)
 upm_module_init()

src/lcd/jsupm_i2clcd.i

@@ -33,3 +33,8 @@
 %{
     #include "ssd1308.h"
 %}
+
+%include "sainsmartks.h"
+%{
+    #include "sainsmartks.h"
+%}

src/lcd/pyupm_i2clcd.i

@@ -36,3 +36,8 @@
 %{
     #include "ssd1308.h"
 %}
+
+%include "sainsmartks.h"
+%{
+    #include "sainsmartks.h"
+%}

src/lcd/sainsmartks.cxx

@@ -0,0 +1,48 @@
+/*
+ * 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 <iostream>
+#include <unistd.h>
+
+#include "sainsmartks.h"
+
+using namespace upm;
+
+SAINSMARTKS::SAINSMARTKS(uint8_t rs,  uint8_t enable,
+                         uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
+                         uint8_t keypad)
+  : Lcm1602(rs, enable, d0, d1, d2, d3),
+    m_aioKeypad(keypad)
+{
+  m_name = "Sainsmart LCD Keypad Shield";
+}
+
+SAINSMARTKS::~SAINSMARTKS()
+{
+}
+
+float SAINSMARTKS::getRawKeyValue()
+{
+  return m_aioKeypad.readFloat();
+}

src/lcd/sainsmartks.h

@@ -0,0 +1,88 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/aio.hpp>
+#include "lcm1602.h"
+
+namespace upm
+{
+  /**
+   * @library i2clcd
+   * @sensor sainsmartks
+   * @comname SainSmart LCD Keypad Shield
+   * @type display
+   * @man sainsmart
+   * @web http://www.sainsmart.com/sainsmart-1602-lcd-keypad-shield-for-arduino-duemilanove-uno-mega2560-mega1280.html
+   * @con gpio analog
+   *
+   * @brief API for Sainsmart LCD Keypad Shield
+   *
+   * The Sainsmart LCD Keypad Shield uses 6 digital outputs and 1
+   * analog input (for the keypad).  The outputs are used to drive an
+   * attached LCM1602 LCD controller.
+   *
+   * @snippet sainsmartks.cxx Interesting
+   */
+  class SAINSMARTKS : public Lcm1602
+  {
+  public:
+    /**
+     * SAINSMARTKS constructor
+     *
+     * As this is a shield, you will not likely have any choice over
+     * the pins that are used.  For this reason, we provide defaults
+     * for all of them -- of course they can be changed if your device
+     * is different.
+     *
+     * @param rs register select pin
+     * @param enable enable pin
+     * @param d0 data 0 pin
+     * @param d1 data 1 pin
+     * @param d2 data 2 pin
+     * @param d3 data 3 pin
+     * @param keypad analog pin of the keypad
+     */
+    SAINSMARTKS(uint8_t rs=8,  uint8_t enable=9,
+                uint8_t d0=4, uint8_t d1=5, uint8_t d2=6, uint8_t d3=7,
+                uint8_t keypad=0);
+    /**
+     * SAINSMARTKS destructor
+     */
+    ~SAINSMARTKS();
+
+    /**
+     * returns the floating point representation of the key that is
+     * being pushed.  Each key produces a different value between 0.0
+     * and 1.0, and only one key can be read at a time.
+     *
+     * @return the floating point value representing a key
+     */
+    float getRawKeyValue();
+
+  private:
+    mraa::Aio m_aioKeypad;
+  };
+}