Library for initializing, configuring, and acquiring data from the Atmel QT2100 device. The QT2100 is a capacitive touch controller with 10 configurable QTouch® channels, supporting up to seven buttons, and either one slider or one wheel.

Revision:
0:2d6c5d39b4de
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QT2100.h	Tue Jan 13 00:11:41 2015 +0000
@@ -0,0 +1,67 @@
+
+/*
+Copyright (c) 2015 John Magyar
+
+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.
+*/
+
+#ifndef QT2100_H
+#define QT2100_H
+
+#include "mbed.h"
+
+/*
+
+Header file for the Atmel QT2100 Capacative Touch sensor device Mbed library.
+
+The QT2100 is a capacitive touch controller device with 10 configurable QTouch channels,
+supporting up to seven touch buttons, and either a single slider (or wheel).
+
+Datasheet: http://www.atmel.com/images/at42qt2100_e_level0%2013ww04.pdf
+
+*/
+
+class QT2100
+{
+public:
+    QT2100(PinName mosi,
+           PinName miso,
+           PinName sck,
+           PinName cs,
+           PinName tx,
+           PinName rx);
+    ~QT2100();
+
+public:
+    void init();
+    void terminalDisplay();
+    void xfer3bytes(int byte0, int byte1, int byte2);
+    void verifyChannels();
+    void devId();
+    int8_t keys();
+    int8_t slider();
+    int8_t wheel();
+
+private:
+    SPI        _spi;
+    DigitalOut _cs;
+    Serial     _pc;
+};
+
+#endif // QT2100_H