Rename the AT90USBXXX67 internal driver directory to AVRU4U6U7.

1 files changed, 230 insertions, 0 deletions

diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
new file mode 100644
index 000000000..3824145bf
--- /dev/null
+++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
@@ -0,0 +1,230 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2009.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, and distribute this software

+  and its documentation for any purpose and without fee is hereby

+  granted, provided that the above copyright notice appear in all

+  copies and that both that the copyright notice and this

+  permission notice and warranty disclaimer appear in supporting

+  documentation, and that the name of the author not be used in

+  advertising or publicity pertaining to distribution of the

+  software without specific, written prior permission.

+

+  The author disclaim all warranties with regard to this

+  software, including all implied warranties of merchantability

+  and fitness.  In no event shall the author be liable for any

+  special, indirect or consequential damages or any damages

+  whatsoever resulting from loss of use, data or profits, whether

+  in an action of contract, negligence or other tortious action,

+  arising out of or in connection with the use or performance of

+  this software.

+*/

+

+/** \file

+ *

+ *  ADC driver for the AT90USB1287, AT90USB1286, AT90USB647, AT90USB646, ATMEGA16U4 and ATMEGA32U4 AVRs.

+ *

+ *  \note This file should not be included directly. It is automatically included as needed by the ADC driver

+ *        dispatch header located in LUFA/Drivers/Peripheral/ADC.h.

+ */

+

+/** \ingroup Group_ADC

+ *  @defgroup Group_ADC_AVRU4U6U7 Series U4, U6 and U7 Model ADC Driver

+ *

+ *  @{

+ */

+ 

+#ifndef __ADC_AVRU4U6U7_H__

+#define __ADC_AVRU4U6U7_H__

+

+	/* Includes: */

+		#include "../../../Common/Common.h"

+		

+		#include <avr/io.h>

+		#include <stdbool.h>

+		

+	/* Enable C linkage for C++ Compilers: */

+		#if defined(__cplusplus)

+			extern "C" {

+		#endif

+

+	/* Preprocessor Checks: */

+		#if !defined(INCLUDE_FROM_ADC_H)

+			#error Do not include this file directly. Include LUFA/Drivers/Peripheral/ADC.h instead.

+		#endif

+

+	/* Public Interface - May be used in end-application: */

+		/* Macros: */			

+			/** Reference mask, for using the voltage present at the AVR's AREF pin for the ADC reference. */

+			#define  ADC_REFERENCE_AREF              0

+

+			/** Reference mask, for using the voltage present at the AVR's AVCC pin for the ADC reference. */

+			#define  ADC_REFERENCE_AVCC              (1 << REFS0)

+

+			/** Reference mask, for using the internally generated 2.56V reference voltage as the ADC reference. */

+			#define  ADC_REFERENCE_INT2560MV         ((1 << REFS1)| (1 << REFS0))

+			

+			/** Left-adjusts the 10-bit ADC result, so that the upper 8 bits of the value returned by the

+			 *  ADC_GetResult() macro contain the 8 most significant bits of the result. */

+			#define  ADC_LEFT_ADJUSTED               (1 << ADLAR)

+

+			/** Right-adjusts the 10-bit ADC result, so that the lower 8 bits of the value returned by the

+			 *  ADC_GetResult() macro contain the 8 least significant bits of the result. */

+			#define  ADC_RIGHT_ADJUSTED              (0 << ADLAR)

+			

+			/** Sets the ADC mode to free running, so that conversions take place continuously as fast as the ADC

+			 *  is capable of at the given input clock speed. */

+			#define  ADC_FREE_RUNNING                (1 << ADATE)

+

+			/** Sets the ADC mode to single conversion, so that only a single conversion will take place before

+			 *  the ADC returns to idle. */

+			#define  ADC_SINGLE_CONVERSION           (0 << ADATE)

+			

+			/** Sets the ADC input clock to prescale by a factor of 2 the AVR's system clock. */

+			#define  ADC_PRESCALE_2                  (1 << ADPS0)

+

+			/** Sets the ADC input clock to prescale by a factor of 4 the AVR's system clock. */

+			#define  ADC_PRESCALE_4                  (1 << ADPS1)

+

+			/** Sets the ADC input clock to prescale by a factor of 8 the AVR's system clock. */

+			#define  ADC_PRESCALE_8                  ((1 << ADPS0) | (1 << ADPS1))

+

+			/** Sets the ADC input clock to prescale by a factor of 16 the AVR's system clock. */

+			#define  ADC_PRESCALE_16                 (1 << ADPS2)

+

+			/** Sets the ADC input clock to prescale by a factor of 32 the AVR's system clock. */

+			#define  ADC_PRESCALE_32                 ((1 << ADPS2) | (1 << ADPS0))

+

+			/** Sets the ADC input clock to prescale by a factor of 64 the AVR's system clock. */

+			#define  ADC_PRESCALE_64                 ((1 << ADPS2) | (1 << ADPS1))

+

+			/** Sets the ADC input clock to prescale by a factor of 128 the AVR's system clock. */

+			#define  ADC_PRESCALE_128                ((1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0))

+

+		/* Pseudo-Function Macros: */

+			#if defined(__DOXYGEN__)

+				/** Initializes the ADC, ready for conversions. This must be called before any other ADC operations.

+				 *  The "mode" parameter should be a mask comprised of a conversion mode (free running or single) and

+				 *  prescaler masks.

+				 *

+				 *  \param[in] Mode  Mask of ADC settings, including adjustment, prescale, mode and reference

+				 */

+				static inline void ADC_Init(uint8_t Mode);

+

+				/** Turns off the ADC. If this is called, any further ADC operations will require a call to

+				 *  \ref ADC_Init() before the ADC can be used again.

+				 */

+				static inline void ADC_ShutDown(void);

+				

+				/** Indicates if the ADC is currently enabled.

+				 *

+				 *  \return Boolean true if the ADC subsystem is currently enabled, false otherwise.

+				 */

+				static inline bool ADC_GetStatus(void);

+				

+				/** Indicates if the current ADC conversion is completed, or still in progress.

+				 *

+				 *  \return Boolean false if the reading is still taking place, or true if the conversion is

+				 *          complete and ready to be read out with \ref ADC_GetResult()

+				 */

+				static inline bool ADC_IsReadingComplete(void);

+				

+				/** Retrieves the conversion value of the last completed ADC conversion.

+				 *

+				 *  \return The result of the last ADC conversion

+				 */

+				static inline uint16_t ADC_GetResult(void);

+			#else

+				#define  ADC_Init(mode)          MACROS{ ADCSRA = ((1 << ADEN) | mode);         }MACROE

+

+				#define  ADC_ShutDown()          MACROS{ ADCSRA = 0;                            }MACROE

+				

+				#define  ADC_GetStatus()               ((ADCSRA & (1 << ADEN)) ? true : false)

+

+				#define  ADC_IsReadingComplete()         (!(ADCSRA & (1 << ADSC)))

+				

+				#define  ADC_GetResult()                 ADC			

+			#endif

+			

+		/* Inline Functions: */

+			/** Configures the given ADC channel, ready for ADC conversions. This function sets the

+			 *  associated port pin as an input and disables the digital portion of the I/O to reduce

+			 *  power consumption.

+			 *

+			 *  \param[in] Channel  ADC channel number to set up for conversions

+			 */

+			static inline void ADC_SetupChannel(const uint8_t Channel)

+			{

+				#if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \

+					 defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) || \

+					 defined(__AVR_ATmega32U6__))				

+				DDRF  &= ~(1 << Channel);

+				DIDR0 |=  (1 << Channel);

+				#elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))

+				if (Channel < 8)

+				{

+					DDRF  &= ~(1 << Channel);

+					DIDR0 |=  (1 << Channel);

+				}

+				else if (Channel == 8)

+				{

+					DDRD  &= ~(1 << 4);

+					DIDR2 |=  (1 << 0);

+				}

+				else if (Channel < 11)

+				{

+					DDRD  &= ~(1 << (Channel - 3));

+					DIDR2 |=  (1 << (Channel - 8));

+				}

+				else

+				{

+					DDRB  &= ~(1 << (Channel - 7));

+					DIDR2 |=  (1 << (Channel - 8));

+				}

+				#endif

+			}

+			

+			/** Starts the reading of the given channel, but does not wait until the conversion has completed.

+			 *  Once executed, the conversion status can be determined via the \ref ADC_IsReadingComplete() macro and

+			 *  the result read via the \ref ADC_GetResult() macro.

+			 *

+			 *  \param[in] MUXMask  Mask comprising of an ADC channel number, reference mask and adjustment mask

+			 */

+			static inline void ADC_StartReading(const uint8_t MUXMask)

+			{

+				ADMUX = MUXMask;

+			

+				ADCSRA |= (1 << ADSC);

+			}

+

+			/** Performs a complete single reading from channel, including a polling spinloop to wait for the

+			 *  conversion to complete, and the returning of the converted value.

+			 *

+			 *  \param[in] MUXMask  Mask comprising of an ADC channel number, reference mask and adjustment mask

+			 */

+			static inline uint16_t ADC_GetChannelReading(const uint8_t MUXMask) ATTR_WARN_UNUSED_RESULT;

+			static inline uint16_t ADC_GetChannelReading(const uint8_t MUXMask)

+			{

+				ADC_StartReading(MUXMask);

+	

+				while (!(ADC_IsReadingComplete()));

+	

+				return ADC_GetResult();

+			}

+

+	/* Disable C linkage for C++ Compilers: */

+		#if defined(__cplusplus)

+			}

+		#endif

+		

+#endif

+

+/** @} */