woo!

Adafruit_STMPE610.cpp

@@ -1,3 +1,20 @@
+/*************************************************** 
+  This is a library for the Adafruit STMPE610 Resistive
+  touch screen controller breakout
+  ----> http://www.adafruit.com/products/1571
+ 
+  Check out the links above for our tutorials and wiring diagrams
+  These breakouts use SPI or I2C to communicate
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+
+
 #if ARDUINO >= 100
  #include "Arduino.h"
 #else
@@ -15,18 +32,21 @@
     @brief  Instantiates a new STMPE610 class
 */
 /**************************************************************************/
+// software SPI
 Adafruit_STMPE610::Adafruit_STMPE610(uint8_t cspin, uint8_t mosipin, uint8_t misopin, uint8_t clkpin) {
   _CS = cspin;
   _MOSI = mosipin;
   _MISO = misopin;
   _CLK = clkpin;
 }
 
+// hardware SPI
 Adafruit_STMPE610::Adafruit_STMPE610(uint8_t cspin) {
   _CS = cspin;
   _MOSI = _MISO = _CLK = -1;
 }
 
+// I2C
 Adafruit_STMPE610::Adafruit_STMPE610() {
 // use i2c
   _CS = -1;

Adafruit_STMPE610.h

@@ -1,3 +1,20 @@
+/*************************************************** 
+  This is a library for the Adafruit STMPE610 Resistive
+  touch screen controller breakout
+  ----> http://www.adafruit.com/products/1571
+ 
+  Check out the links above for our tutorials and wiring diagrams
+  These breakouts use SPI or I2C to communicate
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+
+
 #if ARDUINO >= 100
  #include "Arduino.h"
 #else

examples/TouchTest/TouchTest.ino

@@ -0,0 +1,81 @@
+/*************************************************** 
+  This is an example for the Adafruit STMPE610 Resistive
+  touch screen controller breakout
+  ----> http://www.adafruit.com/products/1571
+ 
+  Check out the links above for our tutorials and wiring diagrams
+  These breakouts use SPI or I2C to communicate
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+
+#include <SPI.h>
+#include <Wire.h>
+
+#include "Adafruit_STMPE610.h"
+
+// Pick one of three wiring options below!
+
+// Option #1 - uses I2C, connect to hardware I2C port only!
+// SCL to I2C clock (#A5 on Uno) and SDA to I2C data (#A4 on Uno)
+// tie MODE to GND and POWER CYCLE (there is no reset pin)
+Adafruit_STMPE610 touch = Adafruit_STMPE610();
+
+// Option #2 - use hardware SPI, connect to hardware SPI port only!
+// SDI to MOSI, SDO to MISO, and SCL to SPI CLOCK
+// on Arduino Uno, that's 11, 12 and 13 respectively
+// Then pick a CS pin, any pin is OK but we suggest #10 on an Uno
+// tie MODE to 3.3V and POWER CYCLE the STMPE610 (there is no reset pin)
+
+//Adafruit_STMPE610 touch = Adafruit_STMPE610(STMPE_CS);
+
+// Option #3 - use software SPI, connect to *any* 4 I/O pins!
+// define the following pins to whatever 4 you want and wire up!
+// Tie MODE to 3.3V and POWER CYCLE the STMPE610 (there is no reset pin)
+// Adafruit_STMPE610 touch = Adafruit_STMPE610(STMPE_CS, STMPE_SDI, STMPE_SDO, STMPE_SCK);
+
+/******************/
+
+void setup() { 
+  Serial.begin(9600);
+  Serial.println("Adafruit STMPE610 example");
+  Serial.flush();
+
+  // if using hardware SPI on an Uno #10 must be an output, remove line
+  // if using software SPI or I2C
+  pinMode(10, OUTPUT);
+
+  // If using I2C you can select the I2C address (there are two options) by calling
+  // touch.begin(0x41), the default, or touch.begin(0x44) if A0 is tied to 3.3V
+  // If no address is passed, 0x41 is used
+  if (! touch.begin()) {
+    Serial.println("STMPE not found!");
+    while(1);
+  }
+  Serial.println("Waiting for touch sense");
+}
+
+void loop() {
+  uint16_t x, y;
+  uint8_t z;
+  if (touch.touched()) {
+    // read x & y & z;
+    while (! touch.bufferEmpty()) {
+      Serial.print(touch.bufferSize());
+      touch.readData(&x, &y, &z);
+      Serial.print("->("); 
+      Serial.print(x); Serial.print(", "); 
+      Serial.print(y); Serial.print(", "); 
+      Serial.print(z);
+      Serial.println(")");
+    }
+    touch.writeRegister8(STMPE_INT_STA, 0xFF); // reset all ints
+  }
+  delay(10);
+}
+