diff options
Diffstat (limited to 'LUFA/Drivers/Peripheral')
| -rw-r--r-- | LUFA/Drivers/Peripheral/ADC.h | 87 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/AT90USBXXX67/ADC.h | 185 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/SPI.h | 149 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/Serial.c | 65 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/Serial.h | 125 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/Serial_Stream.c | 45 | ||||
| -rw-r--r-- | LUFA/Drivers/Peripheral/Serial_Stream.h | 93 |
7 files changed, 749 insertions, 0 deletions
diff --git a/LUFA/Drivers/Peripheral/ADC.h b/LUFA/Drivers/Peripheral/ADC.h new file mode 100644 index 000000000..02d2d0838 --- /dev/null +++ b/LUFA/Drivers/Peripheral/ADC.h @@ -0,0 +1,87 @@ +/*
+ 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
+ *
+ * This file is the master dispatch header file for the device-specific ADC driver, for AVRs containing an ADC.
+ *
+ * User code should include this file, which will in turn include the correct ADC driver header file for the
+ * currently selected AVR model.
+ */
+
+/** \ingroup Group_SubsystemDrivers
+ * @defgroup Group_ADC ADC Driver - LUFA/Drivers/Peripheral/ADC.h
+ */
+
+#ifndef __ADC_H__
+#define __ADC_H__
+
+ /* Macros: */
+ #if !defined(__DOXYGEN__)
+ #define INCLUDE_FROM_ADC_H
+ #define INCLUDE_FROM_CHIP_DRIVER
+ #endif
+
+ /* Includes: */
+ #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \
+ defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) || \
+ defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || \
+ defined(__AVR_ATmega32U6__))
+ #include "AT90USBXXX67/ADC.h"
+ #else
+ #error "ADC is not available for the currently selected AVR model."
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Inline Functions: */
+ /** 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 ADC_IsReadingComplete() macro and
+ * the result read via the ADC_GetResult() macro.
+ *
+ * \param MUXMask Mask comprising of an ADC channel number, reference mask and adjustment mask
+ */
+ static inline void ADC_StartReading(const uint8_t MUXMask);
+
+ /** 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 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;
+
+ /** 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 Channel ADC channel number to set up for conversions
+ */
+ static inline void ADC_SetupChannel(const uint8_t Channel);
+
+#endif
diff --git a/LUFA/Drivers/Peripheral/AT90USBXXX67/ADC.h b/LUFA/Drivers/Peripheral/AT90USBXXX67/ADC.h new file mode 100644 index 000000000..a5bf03734 --- /dev/null +++ b/LUFA/Drivers/Peripheral/AT90USBXXX67/ADC.h @@ -0,0 +1,185 @@ +/*
+ 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_AT90USBXXX67 AT90USBXXX6 and AT90USBXXX7 Models
+ *
+ * @{
+ */
+
+#ifndef __ADC_AT90USBXXX67_H__
+#define __ADC_AT90USBXXX67_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: */
+ /** 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.
+ */
+ #define ADC_Init(mode) MACROS{ ADCSRA = ((1 << ADEN) | mode); }MACROE
+
+ /** Turns off the ADC. If this is called, any further ADC operations will require a call to the
+ * ADC_Init() macro before the ADC can be used again.
+ */
+ #define ADC_Off() MACROS{ ADCSRA = 0; }MACROE
+
+ /** Indicates if the ADC is enabled. This macro will return boolean true if the ADC subsystem is
+ * currently enabled, or false otherwise.
+ */
+ #define ADC_GetStatus() ((ADCSRA & (1 << ADEN)) ? true : false)
+
+ /** Indicates if the current ADC conversion is completed, or still in progress. This returns boolean
+ * false if the reading is still taking place, or true if the conversion is complete and ready to be
+ * read out with ADC_GetResult().
+ */
+ #define ADC_IsReadingComplete() (!(ADCSRA & (1 << ADSC)))
+
+ /** Returns the result of the last conversion, as a 16-bit wide integer. */
+ #define ADC_GetResult() ADC
+
+ /** 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))
+
+ /* 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 Channel ADC channel number to set up for conversions
+ */
+ static inline void ADC_SetupChannel(const uint8_t Channel)
+ {
+ DDRF &= ~(1 << Channel);
+ DIDR0 |= (1 << Channel);
+ }
+
+ /** 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 ADC_IsReadingComplete() macro and
+ * the result read via the ADC_GetResult() macro.
+ *
+ * \param 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 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
+
+/** @} */
diff --git a/LUFA/Drivers/Peripheral/SPI.h b/LUFA/Drivers/Peripheral/SPI.h new file mode 100644 index 000000000..4ada7935c --- /dev/null +++ b/LUFA/Drivers/Peripheral/SPI.h @@ -0,0 +1,149 @@ +/*
+ 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
+ *
+ * Hardware SPI subsystem driver for the supported USB AVRs models.
+ */
+
+/** \ingroup Group_SubsystemDrivers
+ * @defgroup Group_SPI SPI Driver - LUFA/Drivers/Peripheral/SPI.h
+ *
+ * Functions, macros, variables, enums and types related to the setup of a the SPI port.
+ *
+ * @{
+ */
+
+#ifndef __SPI_H__
+#define __SPI_H__
+
+ /* Includes: */
+ #include <stdbool.h>
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Macros: */
+ #define SPI_USE_DOUBLESPEED (1 << 7)
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 2. */
+ #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 4. */
+ #define SPI_SPEED_FCPU_DIV_4 0
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 8. */
+ #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0))
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 16. */
+ #define SPI_SPEED_FCPU_DIV_16 (1 << SPR0)
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 32. */
+ #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1))
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 64. */
+ #define SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0))
+
+ /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 128. */
+ #define SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0))
+
+ /* Inline Functions: */
+ /** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
+ * SPI routines.
+ *
+ * \param PrescalerMask Prescaler mask to set the SPI clock speed
+ * \param Master If true, sets the SPI system to use master mode, slave if false
+ */
+ static inline void SPI_Init(const uint8_t PrescalerMask, const bool Master)
+ {
+ DDRB |= ((1 << 1) | (1 << 2));
+ PORTB |= ((1 << 0) | (1 << 3));
+
+ SPCR = ((1 << SPE) | (Master << MSTR) | (1 << CPOL) | (1 << CPHA) |
+ (PrescalerMask & ~SPI_USE_DOUBLESPEED));
+
+ if (PrescalerMask & SPI_USE_DOUBLESPEED)
+ SPSR = (1 << SPI2X);
+ }
+
+ /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
+ *
+ * \param Byte Byte to send through the SPI interface
+ *
+ * \return Response byte from the attached SPI device
+ */
+ static inline uint8_t SPI_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+ static inline uint8_t SPI_TransferByte(const uint8_t Byte)
+ {
+ SPDR = Byte;
+ while (!(SPSR & (1 << SPIF)));
+ return SPDR;
+ }
+
+ /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
+ * byte sent to from the attached SPI device is ignored.
+ *
+ * \param Byte Byte to send through the SPI interface
+ */
+ static inline void SPI_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+ static inline void SPI_SendByte(const uint8_t Byte)
+ {
+ SPDR = Byte;
+ while (!(SPSR & (1 << SPIF)));
+ }
+
+ /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
+ * byte from the attached SPI device is returned.
+ *
+ * \return The response byte from the attached SPI device
+ */
+ static inline uint8_t SPI_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+ static inline uint8_t SPI_ReceiveByte(void)
+ {
+ SPDR = 0x00;
+ while (!(SPSR & (1 << SPIF)));
+ return SPDR;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
diff --git a/LUFA/Drivers/Peripheral/Serial.c b/LUFA/Drivers/Peripheral/Serial.c new file mode 100644 index 000000000..e1c744922 --- /dev/null +++ b/LUFA/Drivers/Peripheral/Serial.c @@ -0,0 +1,65 @@ +/*
+ 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.
+*/
+
+#include "Serial.h"
+
+void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed)
+{
+ UCSR1A = ((DoubleSpeed) ? (1 << U2X1) : 0);
+ UCSR1B = ((1 << RXEN1) | (1 << TXEN1));
+ UCSR1C = ((1 << UCSZ11) | (1 << UCSZ10));
+
+ DDRD |= (1 << 3);
+ PORTD |= (1 << 2);
+
+ UBRR1 = SERIAL_UBBRVAL(BaudRate);
+}
+
+void Serial_TxString_P(const char *FlashStringPtr)
+{
+ uint8_t CurrByte;
+
+ while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00)
+ {
+ Serial_TxByte(CurrByte);
+ FlashStringPtr++;
+ }
+}
+
+void Serial_TxString(const char *StringPtr)
+{
+ uint8_t CurrByte;
+
+ while ((CurrByte = *StringPtr) != 0x00)
+ {
+ Serial_TxByte(CurrByte);
+ StringPtr++;
+ }
+}
diff --git a/LUFA/Drivers/Peripheral/Serial.h b/LUFA/Drivers/Peripheral/Serial.h new file mode 100644 index 000000000..d83761f3f --- /dev/null +++ b/LUFA/Drivers/Peripheral/Serial.h @@ -0,0 +1,125 @@ +/*
+ 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
+ *
+ * Driver for the USART subsystem on supported USB AVRs.
+ */
+
+/** \ingroup Group_SubsystemDrivers
+ * @defgroup Group_Serial Serial USART Driver - LUFA/Drivers/Peripheral/Serial.h
+ *
+ * Functions, macros, variables, enums and types related to the setup of the USART for serial communications.
+ *
+ * @{
+ */
+
+#ifndef __SERIAL_H__
+#define __SERIAL_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+ #include <stdbool.h>
+
+ #include "../../Common/Common.h"
+ #include "../Misc/TerminalCodes.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Indicates whether a character has been received through the USART - boolean false if no character
+ * has been received, or non-zero if a character is waiting to be read from the reception buffer.
+ */
+ #define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
+
+ /** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
+ * not set.
+ */
+ #define SERIAL_UBBRVAL(baud) (((F_CPU / 16) / baud) - 1)
+
+ /** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
+ * set.
+ */
+ #define SERIAL_2X_UBBRVAL(baud) (((F_CPU / 8) / baud) - 1)
+
+ /* Function Prototypes: */
+ /** Initializes the USART, ready for serial data transmission and reception.
+ *
+ * \param BaudRate Baud rate to configure the USART to
+ * \param DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate
+ */
+ void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed);
+
+ /** Transmits a given string located in program space (FLASH) through the USART.
+ *
+ * \param FlashStringPtr Pointer to a string located in program space
+ */
+ void Serial_TxString_P(const char *FlashStringPtr) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Transmits a given string located in SRAM memory through the USART.
+ *
+ * \param StringPtr Pointer to a string located in SRAM space
+ */
+ void Serial_TxString(const char *StringPtr) ATTR_NON_NULL_PTR_ARG(1);
+
+ /* Inline Functions: */
+ /** Transmits a given byte through the USART.
+ *
+ * \param DataByte Byte to transmit through the USART
+ */
+ static inline void Serial_TxByte(const char DataByte)
+ {
+ while (!(UCSR1A & (1 << UDRE1)));
+ UDR1 = DataByte;
+ }
+
+ /** Receives a byte from the USART.
+ *
+ * \return Byte received from the USART
+ */
+ static inline char Serial_RxByte(void)
+ {
+ while (!(UCSR1A & (1 << RXC1)));
+ return UDR1;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
diff --git a/LUFA/Drivers/Peripheral/Serial_Stream.c b/LUFA/Drivers/Peripheral/Serial_Stream.c new file mode 100644 index 000000000..d986af424 --- /dev/null +++ b/LUFA/Drivers/Peripheral/Serial_Stream.c @@ -0,0 +1,45 @@ +/*
+ 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.
+*/
+
+#include "Serial_Stream.h"
+
+FILE USARTStream = FDEV_SETUP_STREAM(SerialStream_TxByte, SerialStream_RxByte, _FDEV_SETUP_RW);
+
+int SerialStream_TxByte(char DataByte, FILE *Stream)
+{
+ Serial_TxByte(DataByte);
+
+ return 0;
+}
+
+int SerialStream_RxByte(FILE *Stream)
+{
+ return Serial_RxByte();
+}
diff --git a/LUFA/Drivers/Peripheral/Serial_Stream.h b/LUFA/Drivers/Peripheral/Serial_Stream.h new file mode 100644 index 000000000..406cbed88 --- /dev/null +++ b/LUFA/Drivers/Peripheral/Serial_Stream.h @@ -0,0 +1,93 @@ +/*
+ 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
+ *
+ * Serial stream driver for the USART subsystem on supported USB AVRs. This makes use of the functions in the
+ * regular USART driver, but allows the avr-libc standard stream functions (printf, puts, etc.) to work with the
+ * USART.
+ **/
+
+/** \ingroup Group_SubsystemDrivers
+ * @defgroup Group_SerialStream Serial Stream Driver - LUFA/Drivers/Peripheral/Serial_Stream.h
+ *
+ * Functions, macros, variables, enums and types related to the setup of a serial stream, so that standard printf and other
+ * C stream functions can be used on the serial port.
+ *
+ * @{
+ */
+
+#ifndef __SERIAL_STREAM_H__
+#define __SERIAL_STREAM_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <stdio.h>
+
+ #include "Serial.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* External Variables: */
+ extern FILE USARTStream;
+
+ /* Function Prototypes: */
+ int SerialStream_TxByte(char DataByte, FILE *Stream) ATTR_NON_NULL_PTR_ARG(2);
+ int SerialStream_RxByte(FILE *Stream) ATTR_NON_NULL_PTR_ARG(1);
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Inline Functions: */
+ /** Initializes the serial stream (and regular USART driver) so that both the stream and regular
+ * USART driver functions can be used. Must be called before any stream or regular USART functions.
+ *
+ * \param BaudRate Baud rate to configure the USART to
+ * \param DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate
+ */
+ static inline void SerialStream_Init(const uint32_t BaudRate, const bool DoubleSpeed)
+ {
+ Serial_Init(BaudRate, DoubleSpeed);
+
+ stdout = &USARTStream;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
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