clang and add #13

adafruit · Jun 1, 2020 · df5c601 · df5c601
1 parent 47adab4
commit df5c601
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Showing 2 changed files with 45 additions and 41 deletions.
diff --git a/Adafruit_MCP4725.cpp b/Adafruit_MCP4725.cpp
@@ -1,19 +1,19 @@
 /**************************************************************************/
-/*! 
+/*!
     @file     Adafruit_MCP4725.cpp
     @author   K.Townsend (Adafruit Industries)
-	@license  BSD (see license.txt)
-	
-	I2C Driver for Microchip's MCP4725 I2C DAC
+        @license  BSD (see license.txt)
 
-	This is a library for the Adafruit MCP4725 breakout
-	----> http://www.adafruit.com/products/935
-		
-	Adafruit invests time and resources providing this open source code, 
-	please support Adafruit and open-source hardware by purchasing 
-	products from Adafruit!
+        I2C Driver for Microchip's MCP4725 I2C DAC
 
-	@section  HISTORY
+        This is a library for the Adafruit MCP4725 breakout
+        ----> http://www.adafruit.com/products/935
+
+        Adafruit invests time and resources providing this open source code,
+        please support Adafruit and open-source hardware by purchasing
+        products from Adafruit!
+
+        @section  HISTORY
 
     v1.0 - First release
 */
@@ -22,15 +22,14 @@
 #include "Adafruit_MCP4725.h"
 
 /**************************************************************************/
-/*! 
+/*!
     @brief  Instantiates a new MCP4725 class
 */
 /**************************************************************************/
-Adafruit_MCP4725::Adafruit_MCP4725() {
-}
+Adafruit_MCP4725::Adafruit_MCP4725() {}
 
 /**************************************************************************/
-/*! 
+/*!
     @brief  Setups the hardware and checks the DAC was found
     @param i2c_address The I2C address of the DAC, defaults to 0x62
     @param wire The I2C TwoWire object to use, defaults to &Wire
@@ -51,9 +50,8 @@ bool Adafruit_MCP4725::begin(uint8_t i2c_address, TwoWire *wire) {
   return true;
 }
 
-
 /**************************************************************************/
-/*! 
+/*!
     @brief  Sets the output voltage to a fraction of source vref.  (Value
             can be 0..4095)
 
@@ -70,9 +68,8 @@ bool Adafruit_MCP4725::begin(uint8_t i2c_address, TwoWire *wire) {
     @returns True if able to write the value over I2C
 */
 /**************************************************************************/
-bool Adafruit_MCP4725::setVoltage(uint16_t output, bool writeEEPROM, 
-                                  uint32_t i2c_frequency)
-{
+bool Adafruit_MCP4725::setVoltage(uint16_t output, bool writeEEPROM,
+                                  uint32_t i2c_frequency) {
   i2c_dev->setSpeed(i2c_frequency); // Set I2C frequency to desired speed
 
   uint8_t packet[3];
@@ -82,10 +79,10 @@ bool Adafruit_MCP4725::setVoltage(uint16_t output, bool writeEEPROM,
   } else {
     packet[0] = MCP4725_CMD_WRITEDAC;
   }
-  packet[1] = output / 16;                   // Upper data bits          (D11.D10.D9.D8.D7.D6.D5.D4)
-  packet[2] = (output % 16) << 4;            // Lower data bits          (D3.D2.D1.D0.x.x.x.x)
+  packet[1] = output / 16;        // Upper data bits (D11.D10.D9.D8.D7.D6.D5.D4)
+  packet[2] = (output % 16) << 4; // Lower data bits (D3.D2.D1.D0.x.x.x.x)
 
-  if (! i2c_dev->write(packet, 3)) {
+  if (!i2c_dev->write(packet, 3)) {
     return false;
   }
 

diff --git a/Adafruit_MCP4725.h b/Adafruit_MCP4725.h
@@ -1,38 +1,45 @@
 /**************************************************************************/
-/*! 
+/*!
     @file     Adafruit_MCP4725.h
     @author   K. Townsend (Adafruit Industries)
-	@license  BSD (see license.txt)
-	
-	This is a library for the Adafruit MCP4725 breakout board
-	----> http://www.adafruit.com/products/935
-	
-	Adafruit invests time and resources providing this open source code, 
-	please support Adafruit and open-source hardware by purchasing 
-	products from Adafruit!
+        @license  BSD (see license.txt)
 
-	@section  HISTORY
+        This is a library for the Adafruit MCP4725 breakout board
+        ----> http://www.adafruit.com/products/935
+
+        Adafruit invests time and resources providing this open source code,
+        please support Adafruit and open-source hardware by purchasing
+        products from Adafruit!
+
+        @section  HISTORY
 
     v1.0  - First release
 */
 /**************************************************************************/
 
+#ifndef _ADAFRUIT_MCP4725_H_
+#define _ADAFRUIT_MCP4725_H_
+
 #include <Adafruit_BusIO_Register.h>
 #include <Adafruit_I2CDevice.h>
 #include <Wire.h>
 
-#define MCP4725_I2CADDR_DEFAULT         (0x62)  // Default i2c address
-#define MCP4725_CMD_WRITEDAC            (0x40)  // Writes data to the DAC
-#define MCP4725_CMD_WRITEDACEEPROM      (0x60)  // Writes data to the DAC and the EEPROM (persisting the assigned value after reset)
+#define MCP4725_I2CADDR_DEFAULT (0x62) // Default i2c address
+#define MCP4725_CMD_WRITEDAC (0x40)    // Writes data to the DAC
+#define MCP4725_CMD_WRITEDACEEPROM                                             \
+  (0x60) // Writes data to the DAC and the EEPROM (persisting the assigned value
+         // after reset)
 
-class Adafruit_MCP4725{
- public:
+class Adafruit_MCP4725 {
+public:
   Adafruit_MCP4725();
   bool begin(uint8_t i2c_address = MCP4725_I2CADDR_DEFAULT,
              TwoWire *wire = &Wire);
-  bool setVoltage(uint16_t output, bool writeEEPROM, 
-                  uint32_t dac_frequency=400000);
+  bool setVoltage(uint16_t output, bool writeEEPROM,
+                  uint32_t dac_frequency = 400000);
 
- private:
+private:
   Adafruit_I2CDevice *i2c_dev = NULL;
 };
+
+#endif