Update all examples: Add Wire.begin, 115200bps default, link to library.

Author: nseidle

examples/analogWrite/analogWrite.ino

@@ -1,81 +1,87 @@
 /*************************************************************
-analogWrite.ino
-SparkFun SX1509 I/O Expander Example: pwm output (analogWrite)
-Jim Lindblom @ SparkFun Electronics
-Original Creation Date: September 21, 2015
-https://github.com/sparkfun/SparkFun_SX1509_Arduino_Library
+  analogWrite.ino
+  SparkFun SX1509 I/O Expander Example: pwm output (analogWrite)
+  Jim Lindblom @ SparkFun Electronics
+  Original Creation Date: September 21, 2015
+  https://github.com/sparkfun/SparkFun_SX1509_Arduino_Library
 
-This example demonstrates the SX1509's analogWrite function. 
-Connect an LED to the SX1509's pin 15 (or any other pin, they 
-can all PWM!). The SX1509 can either sink or source current, 
-just don't forget your limiting resistor!
+  This example demonstrates the SX1509's analogWrite function.
+  Connect an LED to the SX1509's pin 15 (or any other pin, they
+  can all PWM!). The SX1509 can either sink or source current,
+  just don't forget your limiting resistor!
 
-Hardware Hookup:
-	SX1509 Breakout ------ Arduino -------- Breadboard
-	      GND -------------- GND
-	      3V3 -------------- 3.3V
-		  SDA ------------ SDA (A4)
-		  SCL ------------ SCL (A5)
-		  15 -------------------------------- LED+
-		                                 LED- -/\/\/\- GND
+  Hardware Hookup:
+  SX1509 Breakout ------ Arduino -------- Breadboard
+        GND -------------- GND
+        3V3 -------------- 3.3V
+      SDA ------------ SDA (A4)
+      SCL ------------ SCL (A5)
+      15 -------------------------------- LED+
+                                     LED- -/\/\/\- GND
                                                 330
 
-Development environment specifics:
-	IDE: Arduino 1.6.5
-	Hardware Platform: Arduino Uno
-	SX1509 Breakout Version: v2.0
+  Development environment specifics:
+  IDE: Arduino 1.6.5
+  Hardware Platform: Arduino Uno
+  SX1509 Breakout Version: v2.0
 
-This code is beerware; if you see me (or any other SparkFun 
-employee) at the local, and you've found our code helpful, 
-please buy us a round!
+  This code is beerware; if you see me (or any other SparkFun
+  employee) at the local, and you've found our code helpful,
+  please buy us a round!
 
-Distributed as-is; no warranty is given.
+  Distributed as-is; no warranty is given.
 *************************************************************/
 
-#include <Wire.h> // Include the I2C library (required)
-#include <SparkFunSX1509.h> // Include SX1509 library
+#include <Wire.h>           // Include the I2C library (required)
+#include <SparkFunSX1509.h> //Click here for the library: http://librarymanager/All#SparkFun_SX1509
 
 // SX1509 I2C address (set by ADDR1 and ADDR0 (00 by default):
-const byte SX1509_ADDRESS = 0x3E;  // SX1509 I2C address 
-SX1509 io; // Create an SX1509 object to be used throughout
+const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
+SX1509 io;                        // Create an SX1509 object to be used throughout
 
 // SX1509 Pin definition:
 const byte SX1509_LED_PIN = 15; // LED to SX1509's pin 15
 
-void setup() 
+void setup()
 {
-  // Call io.begin(<address>) to initialize the SX1509. If it 
+  Serial.begin(115200);
+  Serial.println("SX1509 Example");
+
+  Wire.begin();
+
+  // Call io.begin(<address>) to initialize the SX1509. If it
   // successfully communicates, it'll return 1.
-  if (!io.begin(SX1509_ADDRESS))
+  if (io.begin(SX1509_ADDRESS) == false)
   {
-    while (1) ; // If we fail to communicate, loop forever.
+    Serial.println("Failed to communicate. Check wiring and address of SX1509.");
+    while (1)
+      ; // If we fail to communicate, loop forever.
   }
-  
-  // Use the pinMode(<pin>, <mode>) function to set our led 
+
+  // Use the pinMode(<pin>, <mode>) function to set our led
   // pin as an ANALOG_OUTPUT, which is required for PWM output
   io.pinMode(SX1509_LED_PIN, ANALOG_OUTPUT);
 }
 
 void loop()
 {
-  // Ramp brightness up, from 0-255, delay 2ms in between 
+  // Ramp brightness up, from 0-255, delay 2ms in between
   // analogWrite's
-  for (int brightness=0; brightness<256; brightness++)
+  for (int brightness = 0; brightness < 256; brightness++)
   {
-    // Call io.analogWrite(<pin>, <0-255>) to configure the 
+    // Call io.analogWrite(<pin>, <0-255>) to configure the
     // PWM duty cycle
     io.analogWrite(SX1509_LED_PIN, brightness);
     delay(2); // Delay 2 milliseconds
   }
   delay(500); // Delay half-a-second
-  
-  // Ramp brightness down, from 255-0, delay 2ms in between 
+
+  // Ramp brightness down, from 255-0, delay 2ms in between
   // analogWrite's
-  for (int brightness=255; brightness>=0; brightness--)
+  for (int brightness = 255; brightness >= 0; brightness--)
   {
     io.analogWrite(SX1509_LED_PIN, brightness);
     delay(2); // Delay 2 milliseconds
   }
   delay(500); // Delay half-a-second
-  
 }

examples/blink/blink.ino

@@ -32,23 +32,30 @@ please buy us a round!
 Distributed as-is; no warranty is given.
 *************************************************************/
 
-#include <Wire.h> // Include the I2C library (required)
-#include <SparkFunSX1509.h> // Include SX1509 library
+#include <Wire.h>           // Include the I2C library (required)
+#include <SparkFunSX1509.h> //Click here for the library: http://librarymanager/All#SparkFun_SX1509
 
 // SX1509 I2C address (set by ADDR1 and ADDR0 (00 by default):
-const byte SX1509_ADDRESS = 0x3E;  // SX1509 I2C address
-SX1509 io; // Create an SX1509 object to be used throughout
+const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
+SX1509 io;                        // Create an SX1509 object to be used throughout
 
 // SX1509 Pin definition:
 const byte SX1509_LED_PIN = 15; // LED to SX1509's pin 15
 
-void setup() 
+void setup()
 {
-  // Call io.begin(<address>) to initialize the SX1509. If it 
+  Serial.begin(115200);
+  Serial.println("SX1509 Example");
+
+  Wire.begin();
+
+  // Call io.begin(<address>) to initialize the SX1509. If it
   // successfully communicates, it'll return 1.
-  if (!io.begin(SX1509_ADDRESS))
+  if (io.begin(SX1509_ADDRESS) == false)
   {
-    while (1) ; // If we fail to communicate, loop forever.
+    Serial.println("Failed to communicate. Check wiring and address of SX1509.");
+    while (1)
+      ; // If we fail to communicate, loop forever.
   }
 
   // Set up the SX1509's clock to use the internal 2MHz
@@ -57,9 +64,9 @@ void setup()
   // clock by 2 ^ (4-1) (8, ie. 250kHz). The divider parameter
   // can be anywhere between 1-7.
   io.clock(INTERNAL_CLOCK_2MHZ, 4);
-  
+
   io.pinMode(SX1509_LED_PIN, OUTPUT); // Set LED pin to OUTPUT
-  
+
   // Blink the LED pin -- ~1000 ms LOW, ~500 ms HIGH:
   io.blink(SX1509_LED_PIN, 1000, 500);
   // The timing parameters are in milliseconds, but they

examples/breathe/breathe.ino

@@ -33,40 +33,47 @@ please buy us a round!
 Distributed as-is; no warranty is given.
 *************************************************************/
 
-#include <Wire.h> // Include the I2C library (required)
-#include <SparkFunSX1509.h> // Include SX1509 library
+#include <Wire.h>           // Include the I2C library (required)
+#include <SparkFunSX1509.h> //Click here for the library: http://librarymanager/All#SparkFun_SX1509
 
 // SX1509 I2C address (set by ADDR1 and ADDR0 (00 by default):
-const byte SX1509_ADDRESS = 0x3E;  // SX1509 I2C address
-SX1509 io; // Create an SX1509 object to be used throughout
+const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
+SX1509 io;                        // Create an SX1509 object to be used throughout
 
 // SX1509 Pin definition:
 const byte SX1509_LED_PIN = 15; // LED to SX1509's pin 15
 
-void setup() 
+void setup()
 {
+  Serial.begin(115200);
+  Serial.println("SX1509 Example");
+
+  Wire.begin();
+
   // Call io.begin(<address>) to initialize the SX1509. If it
   // successfully communicates, it'll return 1.
-  if (!io.begin(SX1509_ADDRESS))
+  if (io.begin(SX1509_ADDRESS) == false)
   {
-    while (1) ; // If we fail to communicate, loop forever.
+    Serial.println("Failed to communicate. Check wiring and address of SX1509.");
+    while (1)
+      ; // If we fail to communicate, loop forever.
   }
 
   // Use the internal 2MHz oscillator.
   // Set LED clock to 500kHz (2MHz / (2^(3-1)):
   io.clock(INTERNAL_CLOCK_2MHZ, 3);
-  
+
   // To breathe an LED, make sure you set it as an
   // ANALOG_OUTPUT, so we can PWM the pin:
   io.pinMode(SX1509_LED_PIN, ANALOG_OUTPUT);
-  
+
   // Breathe an LED: 1000ms LOW, 500ms HIGH,
   // 500ms to rise from low to high
   // 250ms to fall from high to low
   io.breathe(SX1509_LED_PIN, 1000, 500, 500, 250);
-  // The timing parameters are in milliseconds, but they 
-  // aren't 100% exact. The library will estimate to try to 
-  // get them as close as possible. Play with the clock 
+  // The timing parameters are in milliseconds, but they
+  // aren't 100% exact. The library will estimate to try to
+  // get them as close as possible. Play with the clock
   // divider to maybe get more accurate timing.
 }
 

examples/clock/clock.ino

@@ -30,22 +30,29 @@ please buy us a round!
 Distributed as-is; no warranty is given.
 *************************************************************/
 
-#include <Wire.h> // Include the I2C library (required)
-#include <SparkFunSX1509.h> // Include SX1509 library
+#include <Wire.h>           // Include the I2C library (required)
+#include <SparkFunSX1509.h> //Click here for the library: http://librarymanager/All#SparkFun_SX1509
 
 // SX1509 I2C address (set by ADDR1 and ADDR0 (00 by default):
-const byte SX1509_ADDRESS = 0x3E;  // SX1509 I2C address
-SX1509 io; // Create an SX1509 object to be used throughout
+const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
+SX1509 io;                        // Create an SX1509 object to be used throughout
 
-void setup() 
+void setup()
 {
+  Serial.begin(115200);
+  Serial.println("SX1509 Example");
+
+  Wire.begin();
+
   // Call io.begin(<address>) to initialize the SX1509. If it
   // successfully communicates, it'll return 1.
-  if (!io.begin(SX1509_ADDRESS))
+  if (io.begin(SX1509_ADDRESS) == false)
   {
-    while (1) ; // If we fail to communicate, loop forever.
+    Serial.println("Failed to communicate. Check wiring and address of SX1509.");
+    while (1)
+      ; // If we fail to communicate, loop forever.
   }
-  
+
   // Configure clock:
   // - INTERNAL_CLOCK_2MHZ: Set clock to internal 2MHz
   // - 2: Set LED clock to divide by 2^(2-1) (2)
@@ -58,6 +65,6 @@ void setup()
   io.clock(INTERNAL_CLOCK_2MHZ, 2, OUTPUT, outputFreq);
 }
 
-void loop() 
+void loop()
 {
 }