From a9dfc68bc0e116be9c657a9317719b76bd947834 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 26 Nov 2011 10:11:14 +1100
Subject: [PATCH] libraries: rename purple to APM2

---
 libraries/APM_BMP085/APM_BMP085.cpp           | 10 +--
 libraries/APM_BMP085/APM_BMP085.h             |  4 +-
 libraries/APM_BMP085/APM_BMP085_hil.cpp       |  2 +-
 libraries/APM_BMP085/APM_BMP085_hil.h         |  2 +-
 .../APM_BMP085_test/APM_BMP085_test.pde       |  8 +--
 .../examples/APM_BMP085_test/Makefile         |  4 +-
 libraries/APM_RC/APM_RC.h                     |  2 +-
 .../{APM_RC_Purple.cpp => APM_RC_APM2.cpp}    | 40 +++++------
 .../APM_RC/{APM_RC_Purple.h => APM_RC_APM2.h} |  8 +--
 .../examples/{Purple_radio => APM2}/Makefile  |  0
 .../{Purple_radio => APM2}/Purple_radio.pde   |  2 +-
 libraries/DataFlash/DataFlash.h               |  2 +-
 ...ataFlash_Purple.cpp => DataFlash_APM2.cpp} | 66 +++++++++----------
 .../{DataFlash_Purple.h => DataFlash_APM2.h}  | 10 +--
 libraries/Desktop/support/sitl_rc.h           |  2 +-
 15 files changed, 81 insertions(+), 81 deletions(-)
 rename libraries/APM_RC/{APM_RC_Purple.cpp => APM_RC_APM2.cpp} (87%)
 rename libraries/APM_RC/{APM_RC_Purple.h => APM_RC_APM2.h} (88%)
 rename libraries/APM_RC/examples/{Purple_radio => APM2}/Makefile (100%)
 rename libraries/APM_RC/examples/{Purple_radio => APM2}/Purple_radio.pde (97%)
 rename libraries/DataFlash/{DataFlash_Purple.cpp => DataFlash_APM2.cpp} (88%)
 rename libraries/DataFlash/{DataFlash_Purple.h => DataFlash_APM2.h} (88%)

diff --git a/libraries/APM_BMP085/APM_BMP085.cpp b/libraries/APM_BMP085/APM_BMP085.cpp
index ecb449a472..fd63d1c8e0 100644
--- a/libraries/APM_BMP085/APM_BMP085.cpp
+++ b/libraries/APM_BMP085/APM_BMP085.cpp
@@ -52,20 +52,20 @@ extern "C" {
 //{
 //}
 
-// the purple hardware needs to check the state of the
+// the apm2 hardware needs to check the state of the
 // chip using a direct IO port
-// On Purple prerelease hw, the data ready port is hooked up to PE7, which
+// On APM2 prerelease hw, the data ready port is hooked up to PE7, which
 // is not available to the arduino digitalRead function.
-#define BMP_DATA_READY() (_purple_hardware?(PINE&0x80):digitalRead(BMP085_EOC))
+#define BMP_DATA_READY() (_apm2_hardware?(PINE&0x80):digitalRead(BMP085_EOC))
 
 
 // Public Methods //////////////////////////////////////////////////////////////
-bool APM_BMP085_Class::Init(int initialiseWireLib, bool purple_hardware)
+bool APM_BMP085_Class::Init(int initialiseWireLib, bool apm2_hardware)
 {
 	byte buff[22];
 	int i = 0;
 
-	_purple_hardware = purple_hardware;
+	_apm2_hardware = apm2_hardware;
 
 	pinMode(BMP085_EOC, INPUT);	 // End Of Conversion (PC7) input
 
diff --git a/libraries/APM_BMP085/APM_BMP085.h b/libraries/APM_BMP085/APM_BMP085.h
index e89a01535f..0a87268c35 100644
--- a/libraries/APM_BMP085/APM_BMP085.h
+++ b/libraries/APM_BMP085/APM_BMP085.h
@@ -19,10 +19,10 @@ class APM_BMP085_Class
 	int32_t Press;
 	//int Altitude;
 	uint8_t oss;
-	bool _purple_hardware;
+	bool _apm2_hardware;
 	//int32_t Press0;  // Pressure at sea level
 
-	bool Init(int initialiseWireLib = 1, bool purple_hardware=false);
+	bool Init(int initialiseWireLib = 1, bool apm2_hardware=false);
 	uint8_t Read();
 
   private:
diff --git a/libraries/APM_BMP085/APM_BMP085_hil.cpp b/libraries/APM_BMP085/APM_BMP085_hil.cpp
index 1bafada55b..821e5e1b2e 100644
--- a/libraries/APM_BMP085/APM_BMP085_hil.cpp
+++ b/libraries/APM_BMP085/APM_BMP085_hil.cpp
@@ -15,7 +15,7 @@ APM_BMP085_HIL_Class::APM_BMP085_HIL_Class()
 }
 
 // Public Methods //////////////////////////////////////////////////////////////
-void APM_BMP085_HIL_Class::Init(int initialiseWireLib, bool purple_hardware)
+void APM_BMP085_HIL_Class::Init(int initialiseWireLib, bool apm2_hardware)
 {
   BMP085_State=1;
 }
diff --git a/libraries/APM_BMP085/APM_BMP085_hil.h b/libraries/APM_BMP085/APM_BMP085_hil.h
index 68f9da07d7..ac515e7b8a 100644
--- a/libraries/APM_BMP085/APM_BMP085_hil.h
+++ b/libraries/APM_BMP085/APM_BMP085_hil.h
@@ -13,7 +13,7 @@ class APM_BMP085_HIL_Class
 	int32_t Press;
 	//int Altitude;
 	uint8_t oss;
-	void Init(int initialiseWireLib = 1, bool purple_hardware=false);
+	void Init(int initialiseWireLib = 1, bool apm2_hardware=false);
 	uint8_t Read();
     void setHIL(float Temp, float Press);
     int32_t _offset_press;
diff --git a/libraries/APM_BMP085/examples/APM_BMP085_test/APM_BMP085_test.pde b/libraries/APM_BMP085/examples/APM_BMP085_test/APM_BMP085_test.pde
index 66f107e9be..ffbd13587e 100644
--- a/libraries/APM_BMP085/examples/APM_BMP085_test/APM_BMP085_test.pde
+++ b/libraries/APM_BMP085/examples/APM_BMP085_test/APM_BMP085_test.pde
@@ -13,10 +13,10 @@ unsigned long timer;
 
 FastSerialPort0(Serial);
 
-#ifdef PURPLE_HARDWARE
-static bool purple_hardware = true;
+#ifdef APM2_HARDWARE
+static bool apm2_hardware = true;
 #else
-static bool purple_hardware = false;
+static bool apm2_hardware = false;
 #endif
 
 void setup()
@@ -24,7 +24,7 @@ void setup()
 	Serial.begin(115200);
 	Serial.println("ArduPilot Mega BMP085 library test");
 	Serial.println("Initialising barometer..."); delay(100);
-	if (!APM_BMP085.Init(1, purple_hardware)) {
+	if (!APM_BMP085.Init(1, apm2_hardware)) {
 		Serial.println("Barometer initialisation FAILED\n");
 	}
 	Serial.println("initialisation complete."); delay(100);
diff --git a/libraries/APM_BMP085/examples/APM_BMP085_test/Makefile b/libraries/APM_BMP085/examples/APM_BMP085_test/Makefile
index 4e3c0e42ba..bd5f874ba2 100644
--- a/libraries/APM_BMP085/examples/APM_BMP085_test/Makefile
+++ b/libraries/APM_BMP085/examples/APM_BMP085_test/Makefile
@@ -1,5 +1,5 @@
 BOARD	=	mega
 include ../../../AP_Common/Arduino.mk
 
-purple:
-	make -f Makefile EXTRAFLAGS="-DPURPLE_HARDWARE=1"
+apm2:
+	make -f Makefile EXTRAFLAGS="-DAPM2_HARDWARE=1"
diff --git a/libraries/APM_RC/APM_RC.h b/libraries/APM_RC/APM_RC.h
index b4921f0747..4f3aaf57b0 100644
--- a/libraries/APM_RC/APM_RC.h
+++ b/libraries/APM_RC/APM_RC.h
@@ -46,6 +46,6 @@ class APM_RC_Class
 };
 
 #include "APM_RC_APM1.h"
-#include "APM_RC_Purple.h"
+#include "APM_RC_APM2.h"
 
 #endif
diff --git a/libraries/APM_RC/APM_RC_Purple.cpp b/libraries/APM_RC/APM_RC_APM2.cpp
similarity index 87%
rename from libraries/APM_RC/APM_RC_Purple.cpp
rename to libraries/APM_RC/APM_RC_APM2.cpp
index 1a3eb4a36d..3add822c94 100644
--- a/libraries/APM_RC/APM_RC_Purple.cpp
+++ b/libraries/APM_RC/APM_RC_APM2.cpp
@@ -1,5 +1,5 @@
 /*
-	APM_RC_Purple.cpp - Radio Control Library for Ardupilot Mega 2.0. Arduino
+	APM_RC_APM2.cpp - Radio Control Library for Ardupilot Mega 2.0. Arduino
 	Code by Jordi Muñoz and Jose Julio. DIYDrones.com
 
 	This library is free software; you can redistribute it and/or
@@ -18,7 +18,7 @@
 		             Automatically resets when we call InputCh to read channels
 
 */
-#include "APM_RC_Purple.h"
+#include "APM_RC_APM2.h"
 
 #include "WProgram.h"
 
@@ -27,13 +27,13 @@
 #else
 
 // Variable definition for Input Capture interrupt
-volatile uint16_t APM_RC_Purple::_PWM_RAW[NUM_CHANNELS] = {2400,2400,2400,2400,2400,2400,2400,2400};
-volatile uint8_t APM_RC_Purple::_radio_status=0;
+volatile uint16_t APM_RC_APM2::_PWM_RAW[NUM_CHANNELS] = {2400,2400,2400,2400,2400,2400,2400,2400};
+volatile uint8_t APM_RC_APM2::_radio_status=0;
 
 /****************************************************
    Input Capture Interrupt ICP5 => PPM signal read
  ****************************************************/
-void APM_RC_Purple::_timer5_capt_cb(void)
+void APM_RC_APM2::_timer5_capt_cb(void)
 {
   static uint16_t prev_icr;
   static uint8_t frame_idx;
@@ -68,12 +68,12 @@ void APM_RC_Purple::_timer5_capt_cb(void)
 
 // Constructors ////////////////////////////////////////////////////////////////
 
-APM_RC_Purple::APM_RC_Purple()
+APM_RC_APM2::APM_RC_APM2()
 {
 }
 
 // Public Methods //////////////////////////////////////////////////////////////
-void APM_RC_Purple::Init( Arduino_Mega_ISR_Registry * isr_reg )
+void APM_RC_APM2::Init( Arduino_Mega_ISR_Registry * isr_reg )
 {
   // --------------------- TIMER1: OUT1 and OUT2 -----------------------
   pinMode(12,OUTPUT); // OUT1 (PB6/OC1B)
@@ -147,7 +147,7 @@ void APM_RC_Purple::Init( Arduino_Mega_ISR_Registry * isr_reg )
   TIMSK5 |= (1<<ICIE5);
 }
 
-void APM_RC_Purple::OutputCh(unsigned char ch, uint16_t pwm)
+void APM_RC_APM2::OutputCh(unsigned char ch, uint16_t pwm)
 {
   pwm=constrain(pwm,MIN_PULSEWIDTH,MAX_PULSEWIDTH);
   pwm<<=1;   // pwm*2;
@@ -165,7 +165,7 @@ void APM_RC_Purple::OutputCh(unsigned char ch, uint16_t pwm)
   }
 }
 
-uint16_t APM_RC_Purple::InputCh(unsigned char ch)
+uint16_t APM_RC_APM2::InputCh(unsigned char ch)
 {
   uint16_t result;
   uint16_t result2;
@@ -187,24 +187,24 @@ uint16_t APM_RC_Purple::InputCh(unsigned char ch)
   return(result);
 }
 
-unsigned char APM_RC_Purple::GetState(void)
+unsigned char APM_RC_APM2::GetState(void)
 {
   return(_radio_status);
 }
 
 // InstantPWM is not implemented!
 
-void APM_RC_Purple::Force_Out(void) { }
-void APM_RC_Purple::Force_Out0_Out1(void) { }
-void APM_RC_Purple::Force_Out2_Out3(void) { }
-void APM_RC_Purple::Force_Out6_Out7(void) { }
+void APM_RC_APM2::Force_Out(void) { }
+void APM_RC_APM2::Force_Out0_Out1(void) { }
+void APM_RC_APM2::Force_Out2_Out3(void) { }
+void APM_RC_APM2::Force_Out6_Out7(void) { }
 
 /* ---------------- OUTPUT SPEED CONTROL ------------------ */
 // Output rate options:
 #define OUTPUT_SPEED_50HZ 0
 #define OUTPUT_SPEED_200HZ 1
 
-void APM_RC_Purple::SetFastOutputChannels(uint32_t chmask)
+void APM_RC_APM2::SetFastOutputChannels(uint32_t chmask)
 {
     if ((chmask & ( MSK_CH_1 | MSK_CH_2 )) != 0)
         _set_speed_ch1_ch2(OUTPUT_SPEED_200HZ);
@@ -216,7 +216,7 @@ void APM_RC_Purple::SetFastOutputChannels(uint32_t chmask)
         _set_speed_ch6_ch7_ch8(OUTPUT_SPEED_200HZ);
 }
 
-void APM_RC_Purple::_set_speed_ch1_ch2(uint8_t speed)
+void APM_RC_APM2::_set_speed_ch1_ch2(uint8_t speed)
 {
   switch(speed) {
   case OUTPUT_SPEED_200HZ:
@@ -229,7 +229,7 @@ void APM_RC_Purple::_set_speed_ch1_ch2(uint8_t speed)
   }
 }
 
-void APM_RC_Purple::_set_speed_ch3_ch4_ch5(uint8_t speed)
+void APM_RC_APM2::_set_speed_ch3_ch4_ch5(uint8_t speed)
 {
   switch(speed) {
   case OUTPUT_SPEED_200HZ:
@@ -243,7 +243,7 @@ void APM_RC_Purple::_set_speed_ch3_ch4_ch5(uint8_t speed)
 
 }
 
-void APM_RC_Purple::_set_speed_ch6_ch7_ch8(uint8_t speed)
+void APM_RC_APM2::_set_speed_ch6_ch7_ch8(uint8_t speed)
 {
   switch(speed) {
   case OUTPUT_SPEED_200HZ:
@@ -260,7 +260,7 @@ void APM_RC_Purple::_set_speed_ch6_ch7_ch8(uint8_t speed)
 // allow HIL override of RC values
 // A value of -1 means no change
 // A value of 0 means no override, use the real RC values
-bool APM_RC_Purple::setHIL(int16_t v[NUM_CHANNELS])
+bool APM_RC_APM2::setHIL(int16_t v[NUM_CHANNELS])
 {
 	uint8_t sum = 0;
 	for (unsigned char i=0; i<NUM_CHANNELS; i++) {
@@ -279,7 +279,7 @@ bool APM_RC_Purple::setHIL(int16_t v[NUM_CHANNELS])
 	_radio_status = 1;
 }
 
-void APM_RC_Purple::clearOverride(void)
+void APM_RC_APM2::clearOverride(void)
 {
 	for (unsigned char i=0; i<NUM_CHANNELS; i++) {
 		_HIL_override[i] = 0;
diff --git a/libraries/APM_RC/APM_RC_Purple.h b/libraries/APM_RC/APM_RC_APM2.h
similarity index 88%
rename from libraries/APM_RC/APM_RC_Purple.h
rename to libraries/APM_RC/APM_RC_APM2.h
index 298dbf5f9a..c93b0f51bd 100644
--- a/libraries/APM_RC/APM_RC_Purple.h
+++ b/libraries/APM_RC/APM_RC_APM2.h
@@ -1,5 +1,5 @@
-#ifndef __APM_RC_PURPLE_H__
-#define __APM_RC_PURPLE_H__
+#ifndef __APM_RC_APM2_H__
+#define __APM_RC_APM2_H__
 
 #define NUM_CHANNELS 8
 #define MIN_PULSEWIDTH 900
@@ -8,11 +8,11 @@
 #include "APM_RC.h"
 #include "../Arduino_Mega_ISR_Registry/Arduino_Mega_ISR_Registry.h"
 
-class APM_RC_Purple : public APM_RC_Class
+class APM_RC_APM2 : public APM_RC_Class
 {
   private:
   public:
-	APM_RC_Purple();
+	APM_RC_APM2();
 	void Init( Arduino_Mega_ISR_Registry * isr_reg );
 	void OutputCh(unsigned char ch, uint16_t pwm);
 	uint16_t InputCh(unsigned char ch);
diff --git a/libraries/APM_RC/examples/Purple_radio/Makefile b/libraries/APM_RC/examples/APM2/Makefile
similarity index 100%
rename from libraries/APM_RC/examples/Purple_radio/Makefile
rename to libraries/APM_RC/examples/APM2/Makefile
diff --git a/libraries/APM_RC/examples/Purple_radio/Purple_radio.pde b/libraries/APM_RC/examples/APM2/Purple_radio.pde
similarity index 97%
rename from libraries/APM_RC/examples/Purple_radio/Purple_radio.pde
rename to libraries/APM_RC/examples/APM2/Purple_radio.pde
index be1871526e..2dcb8c77ef 100644
--- a/libraries/APM_RC/examples/Purple_radio/Purple_radio.pde
+++ b/libraries/APM_RC/examples/APM2/Purple_radio.pde
@@ -10,7 +10,7 @@
 #include <APM_RC.h> // ArduPilot Mega RC Library
 
 Arduino_Mega_ISR_Registry isr_registry;
-APM_RC_Purple APM_RC;
+APM_RC_APM2 APM_RC;
 
 void setup()
 {
diff --git a/libraries/DataFlash/DataFlash.h b/libraries/DataFlash/DataFlash.h
index 879e779b4d..37388feb7d 100644
--- a/libraries/DataFlash/DataFlash.h
+++ b/libraries/DataFlash/DataFlash.h
@@ -37,6 +37,6 @@ class DataFlash_Class
 };
 
 #include "DataFlash_APM1.h"
-#include "DataFlash_Purple.h"
+#include "DataFlash_APM2.h"
 
 #endif
diff --git a/libraries/DataFlash/DataFlash_Purple.cpp b/libraries/DataFlash/DataFlash_APM2.cpp
similarity index 88%
rename from libraries/DataFlash/DataFlash_Purple.cpp
rename to libraries/DataFlash/DataFlash_APM2.cpp
index 27cb341bc8..f0946cfde5 100644
--- a/libraries/DataFlash/DataFlash_Purple.cpp
+++ b/libraries/DataFlash/DataFlash_APM2.cpp
@@ -1,6 +1,6 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 /*
-	DataFlash_Purple.cpp - DataFlash log library for AT45DB321D
+	DataFlash_APM2.cpp - DataFlash log library for AT45DB321D
 	Code by Jordi Muñoz and Jose Julio. DIYDrones.com
 	This code works only on ATMega2560. It uses Serial port 3 in SPI MSPI mdoe.
 
@@ -39,7 +39,7 @@ extern "C" {
   #include "WConstants.h"
 }
 
-#include "DataFlash_Purple.h"
+#include "DataFlash_APM2.h"
 
 // DataFlash is connected to Serial Port 3 (we will use SPI mode)
 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
@@ -79,7 +79,7 @@ extern "C" {
 #define OVERWRITE_DATA 0 // 0: When reach the end page stop, 1: Start overwritten from page 1
 
 // *** INTERNAL FUNCTIONS ***
-unsigned char DataFlash_Purple::SPI_transfer(unsigned char data)
+unsigned char DataFlash_APM2::SPI_transfer(unsigned char data)
 {
 	/* Wait for empty transmit buffer */
 	while ( !( UCSR3A & (1<<UDRE3)) );
@@ -91,23 +91,23 @@ unsigned char DataFlash_Purple::SPI_transfer(unsigned char data)
 	return UDR3;
 }
 
-void DataFlash_Purple::CS_inactive()
+void DataFlash_APM2::CS_inactive()
 {
   digitalWrite(DF_SLAVESELECT,HIGH); //disable device
 }
 
-void DataFlash_Purple::CS_active()
+void DataFlash_APM2::CS_active()
 {
   digitalWrite(DF_SLAVESELECT,LOW); //enable device
 }
 
 // Constructors ////////////////////////////////////////////////////////////////
-DataFlash_Purple::DataFlash_Purple()
+DataFlash_APM2::DataFlash_APM2()
 {
 }
 
 // Public Methods //////////////////////////////////////////////////////////////
-void DataFlash_Purple::Init(void)
+void DataFlash_APM2::Init(void)
 {
   pinMode(DF_DATAOUT, OUTPUT);
   pinMode(DF_DATAIN, INPUT);
@@ -139,7 +139,7 @@ void DataFlash_Purple::Init(void)
 }
 
 // This function is mainly to test the device
-void DataFlash_Purple::ReadManufacturerID()
+void DataFlash_APM2::ReadManufacturerID()
 {
   CS_inactive();    // Reset dataflash command decoder
   CS_active();
@@ -154,13 +154,13 @@ void DataFlash_Purple::ReadManufacturerID()
 }
 
 // This function return 1 if Card is inserted on SD slot
-bool DataFlash_Purple::CardInserted()
+bool DataFlash_APM2::CardInserted()
 {
     return (digitalRead(DF_CARDDETECT) != 0);
 }
 
 // Read the status register
-byte DataFlash_Purple::ReadStatusReg()
+byte DataFlash_APM2::ReadStatusReg()
 {
   CS_inactive();    // Reset dataflash command decoder
   CS_active();
@@ -172,26 +172,26 @@ byte DataFlash_Purple::ReadStatusReg()
 
 // Read the status of the DataFlash
 inline
-byte DataFlash_Purple::ReadStatus()
+byte DataFlash_APM2::ReadStatus()
 {
   return(ReadStatusReg()&0x80);  // We only want to extract the READY/BUSY bit
 }
 
 
 inline
-uint16_t DataFlash_Purple::PageSize()
+uint16_t DataFlash_APM2::PageSize()
 {
   return(528-((ReadStatusReg()&0x01)<<4));  // if first bit 1 trhen 512 else 528 bytes
 }
 
 
 // Wait until DataFlash is in ready state...
-void DataFlash_Purple::WaitReady()
+void DataFlash_APM2::WaitReady()
 {
   while(!ReadStatus());
 }
 
-void DataFlash_Purple::PageToBuffer(unsigned char BufferNum, uint16_t PageAdr)
+void DataFlash_APM2::PageToBuffer(unsigned char BufferNum, uint16_t PageAdr)
 {
   CS_inactive();
   CS_active();
@@ -215,7 +215,7 @@ void DataFlash_Purple::PageToBuffer(unsigned char BufferNum, uint16_t PageAdr)
   while(!ReadStatus());  //monitor the status register, wait until busy-flag is high
 }
 
-void DataFlash_Purple::BufferToPage (unsigned char BufferNum, uint16_t PageAdr, unsigned char wait)
+void DataFlash_APM2::BufferToPage (unsigned char BufferNum, uint16_t PageAdr, unsigned char wait)
 {
   CS_inactive();     // Reset dataflash command decoder
   CS_active();
@@ -242,7 +242,7 @@ void DataFlash_Purple::BufferToPage (unsigned char BufferNum, uint16_t PageAdr,
 	while(!ReadStatus());  //monitor the status register, wait until busy-flag is high
 }
 
-void DataFlash_Purple::BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data)
+void DataFlash_APM2::BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data)
 {
   CS_inactive();   // Reset dataflash command decoder
   CS_active();
@@ -257,7 +257,7 @@ void DataFlash_Purple::BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr
   SPI_transfer(Data);				 //write data byte
 }
 
-unsigned char DataFlash_Purple::BufferRead (unsigned char BufferNum, uint16_t IntPageAdr)
+unsigned char DataFlash_APM2::BufferRead (unsigned char BufferNum, uint16_t IntPageAdr)
 {
   byte tmp;
 
@@ -278,7 +278,7 @@ unsigned char DataFlash_Purple::BufferRead (unsigned char BufferNum, uint16_t In
 }
 // *** END OF INTERNAL FUNCTIONS ***
 
-void DataFlash_Purple::PageErase (uint16_t PageAdr)
+void DataFlash_APM2::PageErase (uint16_t PageAdr)
 {
   CS_inactive();																//make sure to toggle CS signal in order
   CS_active();																//to reset Dataflash command decoder
@@ -299,7 +299,7 @@ void DataFlash_Purple::PageErase (uint16_t PageAdr)
 }
 
 
-void DataFlash_Purple::ChipErase ()
+void DataFlash_APM2::ChipErase ()
 {
   CS_inactive();																//make sure to toggle CS signal in order
   CS_active();																//to reset Dataflash command decoder
@@ -315,7 +315,7 @@ void DataFlash_Purple::ChipErase ()
 }
 
 // *** DATAFLASH PUBLIC FUNCTIONS ***
-void DataFlash_Purple::StartWrite(int16_t PageAdr)
+void DataFlash_APM2::StartWrite(int16_t PageAdr)
 {
   df_BufferNum=1;
   df_BufferIdx=4;
@@ -330,7 +330,7 @@ void DataFlash_Purple::StartWrite(int16_t PageAdr)
   BufferWrite(df_BufferNum,3,df_FilePage&0xFF); // Low byte
 }
 
-void DataFlash_Purple::FinishWrite(void)
+void DataFlash_APM2::FinishWrite(void)
 {
 	df_BufferIdx=0;
 	BufferToPage(df_BufferNum,df_PageAdr,0);  // Write Buffer to memory, NO WAIT
@@ -353,7 +353,7 @@ void DataFlash_Purple::FinishWrite(void)
 }
 
 
-void DataFlash_Purple::WriteByte(byte data)
+void DataFlash_APM2::WriteByte(byte data)
 {
   if (!df_Stop_Write)
     {
@@ -389,13 +389,13 @@ void DataFlash_Purple::WriteByte(byte data)
     }
 }
 
-void DataFlash_Purple::WriteInt(int16_t data)
+void DataFlash_APM2::WriteInt(int16_t data)
 {
   WriteByte(data>>8);   // High byte
   WriteByte(data&0xFF); // Low byte
 }
 
-void DataFlash_Purple::WriteLong(int32_t data)
+void DataFlash_APM2::WriteLong(int32_t data)
 {
   WriteByte(data>>24);   // First byte
   WriteByte(data>>16);
@@ -404,18 +404,18 @@ void DataFlash_Purple::WriteLong(int32_t data)
 }
 
 // Get the last page written to
-int16_t DataFlash_Purple::GetWritePage()
+int16_t DataFlash_APM2::GetWritePage()
 {
   return(df_PageAdr);
 }
 
 // Get the last page read
-int16_t DataFlash_Purple::GetPage()
+int16_t DataFlash_APM2::GetPage()
 {
   return(df_Read_PageAdr-1);
 }
 
-void DataFlash_Purple::StartRead(int16_t PageAdr)
+void DataFlash_APM2::StartRead(int16_t PageAdr)
 {
   df_Read_BufferNum=1;
   df_Read_BufferIdx=4;
@@ -431,7 +431,7 @@ void DataFlash_Purple::StartRead(int16_t PageAdr)
   df_FilePage = (df_FilePage<<8) | BufferRead(df_Read_BufferNum,3); // Low byte
 }
 
-byte DataFlash_Purple::ReadByte()
+byte DataFlash_APM2::ReadByte()
 {
   byte result;
 
@@ -458,7 +458,7 @@ byte DataFlash_Purple::ReadByte()
   return result;
 }
 
-int16_t DataFlash_Purple::ReadInt()
+int16_t DataFlash_APM2::ReadInt()
 {
   uint16_t result;
 
@@ -467,7 +467,7 @@ int16_t DataFlash_Purple::ReadInt()
   return (int16_t)result;
 }
 
-int32_t DataFlash_Purple::ReadLong()
+int32_t DataFlash_APM2::ReadLong()
 {
   uint32_t result;
 
@@ -478,18 +478,18 @@ int32_t DataFlash_Purple::ReadLong()
   return (int32_t)result;
 }
 
-void DataFlash_Purple::SetFileNumber(uint16_t FileNumber)
+void DataFlash_APM2::SetFileNumber(uint16_t FileNumber)
 {
 	df_FileNumber = FileNumber;
 	df_FilePage = 1;
 }
 
-uint16_t DataFlash_Purple::GetFileNumber()
+uint16_t DataFlash_APM2::GetFileNumber()
 {
 	return df_FileNumber;
 }
 
-uint16_t DataFlash_Purple::GetFilePage()
+uint16_t DataFlash_APM2::GetFilePage()
 {
 	return df_FilePage;
 }
diff --git a/libraries/DataFlash/DataFlash_Purple.h b/libraries/DataFlash/DataFlash_APM2.h
similarity index 88%
rename from libraries/DataFlash/DataFlash_Purple.h
rename to libraries/DataFlash/DataFlash_APM2.h
index 95665bbd3c..3fec545c4f 100644
--- a/libraries/DataFlash/DataFlash_Purple.h
+++ b/libraries/DataFlash/DataFlash_APM2.h
@@ -1,12 +1,12 @@
 /* ************************************************************ */
-/* DataFlash_Purple Log library                                 */
+/* DataFlash_APM2 Log library                                 */
 /* ************************************************************ */
-#ifndef __DATAFLASH_PURPLE_H__
-#define __DATAFLASH_PURPLE_H__
+#ifndef __DATAFLASH_APM2_H__
+#define __DATAFLASH_APM2_H__
 
 #include "DataFlash.h"
 
-class DataFlash_Purple : public DataFlash_Class
+class DataFlash_APM2 : public DataFlash_Class
 {
   private:
 	// DataFlash Log variables...
@@ -43,7 +43,7 @@ class DataFlash_Purple : public DataFlash_Class
 	unsigned char df_device_1;
 	uint16_t df_PageSize;
 
-	DataFlash_Purple(); // Constructor
+	DataFlash_APM2(); // Constructor
 	void Init();
 	void ReadManufacturerID();
 	bool CardInserted();
diff --git a/libraries/Desktop/support/sitl_rc.h b/libraries/Desktop/support/sitl_rc.h
index a7fb35a394..efffc0c095 100644
--- a/libraries/Desktop/support/sitl_rc.h
+++ b/libraries/Desktop/support/sitl_rc.h
@@ -34,7 +34,7 @@ struct RC_ICR4 {
 
 
 	/*
-	   ignore rate assignment for now (needed for purple
+	   ignore rate assignment for now (needed for apm2
 	   emulation)
 	*/
 	RC_ICR4& operator=(uint16_t rate) {