Delete 'firmwares' folder

2 files changed, 0 insertions, 1803 deletions

diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.c b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.c
deleted file mode 100644
index b95882a..0000000
--- a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.c
+++ /dev/null
@@ -1,914 +0,0 @@
-/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file is prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief USART driver for AVR32 UC3.
- *
- * This file contains basic functions for the AVR32 USART, with support for all
- * modes, settings and clock speeds.
- *
- * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices:  All AVR32 devices with a USART module can be used.
- * - AppNote:
- *
- * \author               Atmel Corporation: http://www.atmel.com \n
- *                       Support and FAQ: http://support.atmel.no/
- *
- ******************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- */
-
-#include "compiler.h"
-#include "usart.h"
-
-
-//------------------------------------------------------------------------------
-/*! \name Private Functions
- */
-//! @{
-
-
-/*! \brief Checks if the USART is in multidrop mode.
- *
- * \param usart Base address of the USART instance.
- *
- * \return \c 1 if the USART is in multidrop mode, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-static __inline__ int usart_mode_is_multidrop(volatile avr32_usart_t *usart)
-{
-  return ((usart->mr >> AVR32_USART_MR_PAR_OFFSET) & AVR32_USART_MR_PAR_MULTI) == AVR32_USART_MR_PAR_MULTI;
-}
-
-
-/*! \brief Calculates a clock divider (\e CD) and a fractional part (\e FP) for
- *         the USART asynchronous modes to generate a baud rate as close as
- *         possible to the baud rate set point.
- *
- * Baud rate calculation:
- * \f$ Baudrate = \frac{SelectedClock}{Over \times (CD + \frac{FP}{8})} \f$, \e Over being 16 or 8.
- * The maximal oversampling is selected if it allows to generate a baud rate close to the set point.
- *
- * \param usart     Base address of the USART instance.
- * \param baudrate  Baud rate set point.
- * \param pba_hz    USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Baud rate successfully initialized.
- * \retval USART_INVALID_INPUT  Baud rate set point is out of range for the given input clock frequency.
- */
-static int usart_set_async_baudrate(volatile avr32_usart_t *usart, unsigned int baudrate, unsigned long pba_hz)
-{
-  unsigned int over = (pba_hz >= 16 * baudrate) ? 16 : 8;
-  unsigned int cd_fp = ((1 << AVR32_USART_BRGR_FP_SIZE) * pba_hz + (over * baudrate) / 2) / (over * baudrate);
-  unsigned int cd = cd_fp >> AVR32_USART_BRGR_FP_SIZE;
-  unsigned int fp = cd_fp & ((1 << AVR32_USART_BRGR_FP_SIZE) - 1);
-
-  if (cd < 1 || cd > (1 << AVR32_USART_BRGR_CD_SIZE) - 1)
-    return USART_INVALID_INPUT;
-
-  usart->mr = (usart->mr & ~(AVR32_USART_MR_USCLKS_MASK |
-                             AVR32_USART_MR_SYNC_MASK |
-                             AVR32_USART_MR_OVER_MASK)) |
-              AVR32_USART_MR_USCLKS_MCK << AVR32_USART_MR_USCLKS_OFFSET |
-              ((over == 16) ? AVR32_USART_MR_OVER_X16 : AVR32_USART_MR_OVER_X8) << AVR32_USART_MR_OVER_OFFSET;
-
-  usart->brgr = cd << AVR32_USART_BRGR_CD_OFFSET |
-                fp << AVR32_USART_BRGR_FP_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-/*! \brief Calculates a clock divider (\e CD) for the USART synchronous master
- *         modes to generate a baud rate as close as possible to the baud rate
- *         set point.
- *
- * Baud rate calculation:
- * \f$ Baudrate = \frac{SelectedClock}{CD} \f$.
- *
- * \param usart     Base address of the USART instance.
- * \param baudrate  Baud rate set point.
- * \param pba_hz    USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Baud rate successfully initialized.
- * \retval USART_INVALID_INPUT  Baud rate set point is out of range for the given input clock frequency.
- */
-static int usart_set_sync_master_baudrate(volatile avr32_usart_t *usart, unsigned int baudrate, unsigned long pba_hz)
-{
-  unsigned int cd = (pba_hz + baudrate / 2) / baudrate;
-
-  if (cd < 1 || cd > (1 << AVR32_USART_BRGR_CD_SIZE) - 1)
-    return USART_INVALID_INPUT;
-
-  usart->mr = (usart->mr & ~AVR32_USART_MR_USCLKS_MASK) |
-              AVR32_USART_MR_USCLKS_MCK << AVR32_USART_MR_USCLKS_OFFSET |
-              AVR32_USART_MR_SYNC_MASK;
-
-  usart->brgr = cd << AVR32_USART_BRGR_CD_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-/*! \brief Selects the SCK pin as the source of baud rate for the USART
- *         synchronous slave modes.
- *
- * \param usart Base address of the USART instance.
- *
- * \retval USART_SUCCESS  Baud rate successfully initialized.
- */
-static int usart_set_sync_slave_baudrate(volatile avr32_usart_t *usart)
-{
-  usart->mr = (usart->mr & ~AVR32_USART_MR_USCLKS_MASK) |
-              AVR32_USART_MR_USCLKS_SCK << AVR32_USART_MR_USCLKS_OFFSET |
-              AVR32_USART_MR_SYNC_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-/*! \brief Calculates a clock divider (\e CD) for the USART ISO7816 mode to
- *         generate an ISO7816 clock as close as possible to the clock set point.
- *
- * ISO7816 clock calculation:
- * \f$ Clock = \frac{SelectedClock}{CD} \f$.
- *
- * \param usart   Base address of the USART instance.
- * \param clock   ISO7816 clock set point.
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        ISO7816 clock successfully initialized.
- * \retval USART_INVALID_INPUT  ISO7816 clock set point is out of range for the given input clock frequency.
- */
-static int usart_set_iso7816_clock(volatile avr32_usart_t *usart, unsigned int clock, unsigned long pba_hz)
-{
-  unsigned int cd = (pba_hz + clock / 2) / clock;
-
-  if (cd < 1 || cd > (1 << AVR32_USART_BRGR_CD_SIZE) - 1)
-    return USART_INVALID_INPUT;
-
-  usart->mr = (usart->mr & ~(AVR32_USART_MR_USCLKS_MASK |
-                             AVR32_USART_MR_SYNC_MASK |
-                             AVR32_USART_MR_OVER_MASK)) |
-              AVR32_USART_MR_USCLKS_MCK << AVR32_USART_MR_USCLKS_OFFSET |
-              AVR32_USART_MR_OVER_X16 << AVR32_USART_MR_OVER_OFFSET;
-
-  usart->brgr = cd << AVR32_USART_BRGR_CD_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-
-/*! \brief Calculates a clock divider (\e CD) for the USART SPI master mode to
- *         generate a baud rate as close as possible to the baud rate set point.
- *
- * Baud rate calculation:
- * \f$ Baudrate = \frac{SelectedClock}{CD} \f$.
- *
- * \param usart     Base address of the USART instance.
- * \param baudrate  Baud rate set point.
- * \param pba_hz    USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Baud rate successfully initialized.
- * \retval USART_INVALID_INPUT  Baud rate set point is out of range for the given input clock frequency.
- */
-static int usart_set_spi_master_baudrate(volatile avr32_usart_t *usart, unsigned int baudrate, unsigned long pba_hz)
-{
-  unsigned int cd = (pba_hz + baudrate / 2) / baudrate;
-
-  if (cd < 4 || cd > (1 << AVR32_USART_BRGR_CD_SIZE) - 1)
-    return USART_INVALID_INPUT;
-
-  usart->mr = (usart->mr & ~AVR32_USART_MR_USCLKS_MASK) |
-              AVR32_USART_MR_USCLKS_MCK << AVR32_USART_MR_USCLKS_OFFSET;
-
-  usart->brgr = cd << AVR32_USART_BRGR_CD_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-/*! \brief Selects the SCK pin as the source of baud rate for the USART SPI
- *         slave mode.
- *
- * \param usart Base address of the USART instance.
- *
- * \retval USART_SUCCESS  Baud rate successfully initialized.
- */
-static int usart_set_spi_slave_baudrate(volatile avr32_usart_t *usart)
-{
-  usart->mr = (usart->mr & ~AVR32_USART_MR_USCLKS_MASK) |
-              AVR32_USART_MR_USCLKS_SCK << AVR32_USART_MR_USCLKS_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-#endif  // USART rev. >= 4.0.0
-
-
-//! @}
-
-
-//------------------------------------------------------------------------------
-/*! \name Initialization Functions
- */
-//! @{
-
-
-void usart_reset(volatile avr32_usart_t *usart)
-{
-  Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
-  // Disable all USART interrupts.
-  // Interrupts needed should be set explicitly on every reset.
-  if (global_interrupt_enabled) Disable_global_interrupt();
-  usart->idr = 0xFFFFFFFF;
-  usart->csr;
-  if (global_interrupt_enabled) Enable_global_interrupt();
-
-  // Reset mode and other registers that could cause unpredictable behavior after reset.
-  usart->mr = 0;
-  usart->rtor = 0;
-  usart->ttgr = 0;
-
-  // Shutdown TX and RX (will be re-enabled when setup has successfully completed),
-  // reset status bits and turn off DTR and RTS.
-  usart->cr = AVR32_USART_CR_RSTRX_MASK   |
-              AVR32_USART_CR_RSTTX_MASK   |
-              AVR32_USART_CR_RSTSTA_MASK  |
-              AVR32_USART_CR_RSTIT_MASK   |
-              AVR32_USART_CR_RSTNACK_MASK |
-#ifndef AVR32_USART_440_H_INCLUDED
-// Note: Modem Signal Management DTR-DSR-DCD-RI are not included in USART rev.440.
-              AVR32_USART_CR_DTRDIS_MASK  |
-#endif
-              AVR32_USART_CR_RTSDIS_MASK;
-}
-
-
-int usart_init_rs232(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->paritytype > 7 ||
-      opt->stopbits > 2 + 255 ||
-      opt->channelmode > 3 ||
-      usart_set_async_baudrate(usart, opt->baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= opt->paritytype << AVR32_USART_MR_PAR_OFFSET |
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET;
-
-  if (opt->stopbits > USART_2_STOPBITS)
-  {
-    // Set two stop bits
-    usart->mr |= AVR32_USART_MR_NBSTOP_2 << AVR32_USART_MR_NBSTOP_OFFSET;
-    // and a timeguard period gives the rest.
-    usart->ttgr = opt->stopbits - USART_2_STOPBITS;
-  }
-  else
-    // Insert 1, 1.5 or 2 stop bits.
-    usart->mr |= opt->stopbits << AVR32_USART_MR_NBSTOP_OFFSET;
-
-  // Set normal mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_NORMAL << AVR32_USART_MR_MODE_OFFSET;
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_rs232_tx_only(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->paritytype > 7 ||
-      opt->stopbits == 1 || opt->stopbits > 2 + 255 ||
-      opt->channelmode > 3 ||
-      usart_set_sync_master_baudrate(usart, opt->baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= opt->paritytype << AVR32_USART_MR_PAR_OFFSET |
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET;
-
-  if (opt->stopbits > USART_2_STOPBITS)
-  {
-    // Set two stop bits
-    usart->mr |= AVR32_USART_MR_NBSTOP_2 << AVR32_USART_MR_NBSTOP_OFFSET;
-    // and a timeguard period gives the rest.
-    usart->ttgr = opt->stopbits - USART_2_STOPBITS;
-  }
-  else
-    // Insert 1 or 2 stop bits.
-    usart->mr |= opt->stopbits << AVR32_USART_MR_NBSTOP_OFFSET;
-
-  // Set normal mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_NORMAL << AVR32_USART_MR_MODE_OFFSET;
-
-  // Setup complete; enable communication.
-  // Enable only output as input is not possible in synchronous mode without
-  // transferring clock.
-  usart->cr = AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_hw_handshaking(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // First: Setup standard RS232.
-  if (usart_init_rs232(usart, opt, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  // Set hardware handshaking mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_HARDWARE << AVR32_USART_MR_MODE_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_modem(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // First: Setup standard RS232.
-  if (usart_init_rs232(usart, opt, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  // Set modem mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_MODEM << AVR32_USART_MR_MODE_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_sync_master(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->paritytype > 7 ||
-      opt->stopbits == 1 || opt->stopbits > 2 + 255 ||
-      opt->channelmode > 3 ||
-      usart_set_sync_master_baudrate(usart, opt->baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= opt->paritytype << AVR32_USART_MR_PAR_OFFSET |
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET;
-
-  if (opt->stopbits > USART_2_STOPBITS)
-  {
-    // Set two stop bits
-    usart->mr |= AVR32_USART_MR_NBSTOP_2 << AVR32_USART_MR_NBSTOP_OFFSET;
-    // and a timeguard period gives the rest.
-    usart->ttgr = opt->stopbits - USART_2_STOPBITS;
-  }
-  else
-    // Insert 1 or 2 stop bits.
-    usart->mr |= opt->stopbits << AVR32_USART_MR_NBSTOP_OFFSET;
-
-  // Set normal mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_NORMAL << AVR32_USART_MR_MODE_OFFSET |
-              AVR32_USART_MR_CLKO_MASK;
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_sync_slave(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->paritytype > 7 ||
-      opt->stopbits == 1 || opt->stopbits > 2 + 255 ||
-      opt->channelmode > 3 ||
-      usart_set_sync_slave_baudrate(usart) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= opt->paritytype << AVR32_USART_MR_PAR_OFFSET |
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET;
-
-  if (opt->stopbits > USART_2_STOPBITS)
-  {
-    // Set two stop bits
-    usart->mr |= AVR32_USART_MR_NBSTOP_2 << AVR32_USART_MR_NBSTOP_OFFSET;
-    // and a timeguard period gives the rest.
-    usart->ttgr = opt->stopbits - USART_2_STOPBITS;
-  }
-  else
-    // Insert 1 or 2 stop bits.
-    usart->mr |= opt->stopbits << AVR32_USART_MR_NBSTOP_OFFSET;
-
-  // Set normal mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_NORMAL << AVR32_USART_MR_MODE_OFFSET;
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_rs485(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz)
-{
-  // First: Setup standard RS232.
-  if (usart_init_rs232(usart, opt, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  // Set RS485 mode.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MR_MODE_RS485 << AVR32_USART_MR_MODE_OFFSET;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_IrDA(volatile avr32_usart_t *usart, const usart_options_t *opt,
-                    long pba_hz, unsigned char irda_filter)
-{
-  // First: Setup standard RS232.
-  if (usart_init_rs232(usart, opt, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  // Set IrDA filter.
-  usart->ifr = irda_filter;
-
-  // Set IrDA mode and activate filtering of input.
-  usart->mr = (usart->mr & ~AVR32_USART_MR_MODE_MASK) |
-              AVR32_USART_MODE_IRDA << AVR32_USART_MR_MODE_OFFSET |
-              AVR32_USART_MR_FILTER_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_iso7816(volatile avr32_usart_t *usart, const usart_iso7816_options_t *opt, int t, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->paritytype > 1)
-    return USART_INVALID_INPUT;
-
-  if (t == 0)
-  {
-    // Set USART mode to ISO7816, T=0.
-    // The T=0 protocol always uses 2 stop bits.
-    usart->mr = AVR32_USART_MR_MODE_ISO7816_T0 << AVR32_USART_MR_MODE_OFFSET |
-                AVR32_USART_MR_NBSTOP_2 << AVR32_USART_MR_NBSTOP_OFFSET |
-                opt->bit_order << AVR32_USART_MR_MSBF_OFFSET; // Allow MSBF in T=0.
-  }
-  else if (t == 1)
-  {
-    // Only LSB first in the T=1 protocol.
-    // max_iterations field is only used in T=0 mode.
-    if (opt->bit_order != 0 ||
-        opt->max_iterations != 0)
-      return USART_INVALID_INPUT;
-
-    // Set USART mode to ISO7816, T=1.
-    // The T=1 protocol always uses 1 stop bit.
-    usart->mr = AVR32_USART_MR_MODE_ISO7816_T1 << AVR32_USART_MR_MODE_OFFSET |
-                AVR32_USART_MR_NBSTOP_1 << AVR32_USART_MR_NBSTOP_OFFSET;
-  }
-  else
-    return USART_INVALID_INPUT;
-
-  if (usart_set_iso7816_clock(usart, opt->iso7816_hz, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  // Set FIDI register: bit rate = selected clock/FI_DI_ratio/16.
-  usart->fidi = opt->fidi_ratio;
-
-  // Set ISO7816 spesific options in the MODE register.
-  usart->mr |= opt->paritytype << AVR32_USART_MR_PAR_OFFSET |
-               AVR32_USART_MR_CLKO_MASK | // Enable clock output.
-               opt->inhibit_nack << AVR32_USART_MR_INACK_OFFSET |
-               opt->dis_suc_nack << AVR32_USART_MR_DSNACK_OFFSET |
-               opt->max_iterations << AVR32_USART_MR_MAX_ITERATION_OFFSET;
-
-  // Setup complete; enable the receiver by default.
-  usart_iso7816_enable_receiver(usart);
-
-  return USART_SUCCESS;
-}
-
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-
-int usart_init_lin_master(volatile avr32_usart_t *usart, unsigned long baudrate, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (usart_set_async_baudrate(usart, baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  usart->mr |= AVR32_USART_MR_MODE_LIN_MASTER << AVR32_USART_MR_MODE_OFFSET;  // LIN master mode.
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_lin_slave(volatile avr32_usart_t *usart, unsigned long baudrate, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (usart_set_async_baudrate(usart, baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  usart->mr |= AVR32_USART_MR_MODE_LIN_SLAVE << AVR32_USART_MR_MODE_OFFSET; // LIN slave mode.
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_spi_master(volatile avr32_usart_t *usart, const usart_spi_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->spimode > 3 ||
-      opt->channelmode > 3 ||
-      usart_set_spi_master_baudrate(usart, opt->baudrate, pba_hz) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= AVR32_USART_MR_MODE_SPI_MASTER << AVR32_USART_MR_MODE_OFFSET | // SPI master mode.
-               ((opt->spimode & 0x1) ^ 0x1) << AVR32_USART_MR_SYNC_OFFSET |   // SPI clock phase.
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET |             // Channel mode.
-               (opt->spimode >> 1) << AVR32_USART_MR_MSBF_OFFSET |            // SPI clock polarity.
-               AVR32_USART_MR_CLKO_MASK;                                      // Drive SCK pin.
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_init_spi_slave(volatile avr32_usart_t *usart, const usart_spi_options_t *opt, long pba_hz)
-{
-  // Reset the USART and shutdown TX and RX.
-  usart_reset(usart);
-
-  // Check input values.
-  if (!opt || // Null pointer.
-      opt->charlength < 5 || opt->charlength > 9 ||
-      opt->spimode > 3 ||
-      opt->channelmode > 3 ||
-      usart_set_spi_slave_baudrate(usart) == USART_INVALID_INPUT)
-    return USART_INVALID_INPUT;
-
-  if (opt->charlength == 9)
-  {
-    // Character length set to 9 bits. MODE9 dominates CHRL.
-    usart->mr |= AVR32_USART_MR_MODE9_MASK;
-  }
-  else
-  {
-    // CHRL gives the character length (- 5) when MODE9 = 0.
-    usart->mr |= (opt->charlength - 5) << AVR32_USART_MR_CHRL_OFFSET;
-  }
-
-  usart->mr |= AVR32_USART_MR_MODE_SPI_SLAVE << AVR32_USART_MR_MODE_OFFSET |  // SPI slave mode.
-               ((opt->spimode & 0x1) ^ 0x1) << AVR32_USART_MR_SYNC_OFFSET |   // SPI clock phase.
-               opt->channelmode << AVR32_USART_MR_CHMODE_OFFSET |             // Channel mode.
-               (opt->spimode >> 1) << AVR32_USART_MR_MSBF_OFFSET;             // SPI clock polarity.
-
-  // Setup complete; enable communication.
-  // Enable input and output.
-  usart->cr = AVR32_USART_CR_RXEN_MASK |
-              AVR32_USART_CR_TXEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-#endif  // USART rev. >= 4.0.0
-
-
-//! @}
-
-
-//------------------------------------------------------------------------------
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-
-/*! \name SPI Control Functions
- */
-//! @{
-
-
-int usart_spi_selectChip(volatile avr32_usart_t *usart)
-{
-  // Force the SPI chip select.
-  usart->cr = AVR32_USART_CR_RTSEN_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-int usart_spi_unselectChip(volatile avr32_usart_t *usart)
-{
-  int timeout = USART_DEFAULT_TIMEOUT;
-
-  do
-  {
-    if (!timeout--) return USART_FAILURE;
-  } while (!usart_tx_empty(usart));
-
-  // Release the SPI chip select.
-  usart->cr = AVR32_USART_CR_RTSDIS_MASK;
-
-  return USART_SUCCESS;
-}
-
-
-//! @}
-
-
-#endif  // USART rev. >= 4.0.0
-
-
-//------------------------------------------------------------------------------
-/*! \name Transmit/Receive Functions
- */
-//! @{
-
-
-int usart_send_address(volatile avr32_usart_t *usart, int address)
-{
-  // Check if USART is in multidrop / RS485 mode.
-  if (!usart_mode_is_multidrop(usart)) return USART_MODE_FAULT;
-
-  // Prepare to send an address.
-  usart->cr = AVR32_USART_CR_SENDA_MASK;
-
-  // Write the address to TX.
-  usart_bw_write_char(usart, address);
-
-  return USART_SUCCESS;
-}
-
-
-int usart_write_char(volatile avr32_usart_t *usart, int c)
-{
-  if (usart_tx_ready(usart))
-  {
-    usart->thr = (c << AVR32_USART_THR_TXCHR_OFFSET) & AVR32_USART_THR_TXCHR_MASK;
-    return USART_SUCCESS;
-  }
-  else
-    return USART_TX_BUSY;
-}
-
-
-int usart_putchar(volatile avr32_usart_t *usart, int c)
-{
-  int timeout = USART_DEFAULT_TIMEOUT;
-
-  if (c == '\n')
-  {
-    do
-    {
-      if (!timeout--) return USART_FAILURE;
-    } while (usart_write_char(usart, '\r') != USART_SUCCESS);
-
-    timeout = USART_DEFAULT_TIMEOUT;
-  }
-
-  do
-  {
-    if (!timeout--) return USART_FAILURE;
-  } while (usart_write_char(usart, c) != USART_SUCCESS);
-
-  return USART_SUCCESS;
-}
-
-
-int usart_read_char(volatile avr32_usart_t *usart, int *c)
-{
-  // Check for errors: frame, parity and overrun. In RS485 mode, a parity error
-  // would mean that an address char has been received.
-  if (usart->csr & (AVR32_USART_CSR_OVRE_MASK |
-                    AVR32_USART_CSR_FRAME_MASK |
-                    AVR32_USART_CSR_PARE_MASK))
-    return USART_RX_ERROR;
-
-  // No error; if we really did receive a char, read it and return SUCCESS.
-  if (usart_test_hit(usart))
-  {
-    *c = (usart->rhr & AVR32_USART_RHR_RXCHR_MASK) >> AVR32_USART_RHR_RXCHR_OFFSET;
-    return USART_SUCCESS;
-  }
-  else
-    return USART_RX_EMPTY;
-}
-
-
-int usart_getchar(volatile avr32_usart_t *usart)
-{
-  int c, ret;
-
-  while ((ret = usart_read_char(usart, &c)) == USART_RX_EMPTY);
-
-  if (ret == USART_RX_ERROR)
-    return USART_FAILURE;
-
-  return c;
-}
-
-
-void usart_write_line(volatile avr32_usart_t *usart, const char *string)
-{
-  while (*string != '\0')
-    usart_putchar(usart, *string++);
-}
-
-
-int usart_get_echo_line(volatile avr32_usart_t *usart)
-{
-  int rx_char;
-  int retval = USART_SUCCESS;
-
-  while (1)
-  {
-    rx_char = usart_getchar(usart);
-    if (rx_char == USART_FAILURE)
-    {
-      usart_write_line(usart, "Error!!!\n");
-      retval = USART_FAILURE;
-      break;
-    }
-    if (rx_char == '\x03')
-    {
-      retval = USART_FAILURE;
-      break;
-    }
-    usart_putchar(usart, rx_char);
-    if (rx_char == '\r')
-    {
-      usart_putchar(usart, '\n');
-      break;
-    }
-  }
-
-  return retval;
-}
-
-
-//! @}
diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.h b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.h
deleted file mode 100644
index bc1c100..0000000
--- a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/USART/usart.h
+++ /dev/null
@@ -1,889 +0,0 @@
-/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file is prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief USART driver for AVR32 UC3.
- *
- * This file contains basic functions for the AVR32 USART, with support for all
- * modes, settings and clock speeds.
- *
- * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices:  All AVR32 devices with a USART module can be used.
- * - AppNote:
- *
- * \author               Atmel Corporation: http://www.atmel.com \n
- *                       Support and FAQ: http://support.atmel.no/
- *
- ******************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- */
-
-#ifndef _USART_H_
-#define _USART_H_
-
-#include <avr32/io.h>
-#include "compiler.h"
-
-
-/*! \name Return Values
- */
-//! @{
-#define USART_SUCCESS                 0 //!< Successful completion.
-#define USART_FAILURE                -1 //!< Failure because of some unspecified reason.
-#define USART_INVALID_INPUT           1 //!< Input value out of range.
-#define USART_INVALID_ARGUMENT       -1 //!< Argument value out of range.
-#define USART_TX_BUSY                 2 //!< Transmitter was busy.
-#define USART_RX_EMPTY                3 //!< Nothing was received.
-#define USART_RX_ERROR                4 //!< Transmission error occurred.
-#define USART_MODE_FAULT              5 //!< USART not in the appropriate mode.
-//! @}
-
-//! Default time-out value (number of attempts).
-#define USART_DEFAULT_TIMEOUT         10000
-
-/*! \name Parity Settings
- */
-//! @{
-#define USART_EVEN_PARITY             AVR32_USART_MR_PAR_EVEN   //!< Use even parity on character transmission.
-#define USART_ODD_PARITY              AVR32_USART_MR_PAR_ODD    //!< Use odd parity on character transmission.
-#define USART_SPACE_PARITY            AVR32_USART_MR_PAR_SPACE  //!< Use a space as parity bit.
-#define USART_MARK_PARITY             AVR32_USART_MR_PAR_MARK   //!< Use a mark as parity bit.
-#define USART_NO_PARITY               AVR32_USART_MR_PAR_NONE   //!< Don't use a parity bit.
-#define USART_MULTIDROP_PARITY        AVR32_USART_MR_PAR_MULTI  //!< Parity bit is used to flag address characters.
-//! @}
-
-/*! \name Stop Bits Settings
- */
-//! @{
-#define USART_1_STOPBIT               AVR32_USART_MR_NBSTOP_1   //!< Use 1 stop bit.
-#define USART_1_5_STOPBITS            AVR32_USART_MR_NBSTOP_1_5 //!< Use 1.5 stop bits.
-#define USART_2_STOPBITS              AVR32_USART_MR_NBSTOP_2   //!< Use 2 stop bits (for more, just give the number of bits).
-//! @}
-
-/*! \name Channel Modes
- */
-//! @{
-#define USART_NORMAL_CHMODE           AVR32_USART_MR_CHMODE_NORMAL      //!< Normal communication.
-#define USART_AUTO_ECHO               AVR32_USART_MR_CHMODE_ECHO        //!< Echo data.
-#define USART_LOCAL_LOOPBACK          AVR32_USART_MR_CHMODE_LOCAL_LOOP  //!< Local loopback.
-#define USART_REMOTE_LOOPBACK         AVR32_USART_MR_CHMODE_REMOTE_LOOP //!< Remote loopback.
-//! @}
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \name LIN Node Actions
- */
-//! @{
-#define USART_LIN_PUBLISH_ACTION      AVR32_USART_LINMR_NACT_PUBLISH    //!< The USART transmits the response.
-#define USART_LIN_SUBSCRIBE_ACTION    AVR32_USART_LINMR_NACT_SUBSCRIBE  //!< The USART receives the response.
-#define USART_LIN_IGNORE_ACTION       AVR32_USART_LINMR_NACT_IGNORE     //!< The USART does not transmit and does not receive the reponse.
-//! @}
-
-/*! \name LIN Checksum Types
- */
-//! @{
-#define USART_LIN_ENHANCED_CHECKSUM   0 //!< LIN 2.0 "enhanced" checksum.
-#define USART_LIN_CLASSIC_CHECKSUM    1 //!< LIN 1.3 "classic" checksum.
-//! @}
-
-#endif  // USART rev. >= 4.0.0
-
-
-//! Input parameters when initializing RS232 and similar modes.
-typedef struct
-{
-  //! Set baud rate of the USART (unused in slave modes).
-  unsigned long baudrate;
-
-  //! Number of bits to transmit as a character (5 to 9).
-  unsigned char charlength;
-
-  //! How to calculate the parity bit: \ref USART_EVEN_PARITY, \ref USART_ODD_PARITY,
-  //! \ref USART_SPACE_PARITY, \ref USART_MARK_PARITY, \ref USART_NO_PARITY or
-  //! \ref USART_MULTIDROP_PARITY.
-  unsigned char paritytype;
-
-  //! Number of stop bits between two characters: \ref USART_1_STOPBIT,
-  //! \ref USART_1_5_STOPBITS, \ref USART_2_STOPBITS or any number from 3 to 257
-  //! which will result in a time guard period of that length between characters.
-  //! \note \ref USART_1_5_STOPBITS is supported in asynchronous modes only.
-  unsigned short stopbits;
-
-  //! Run the channel in testmode: \ref USART_NORMAL_CHMODE, \ref USART_AUTO_ECHO,
-  //! \ref USART_LOCAL_LOOPBACK or \ref USART_REMOTE_LOOPBACK.
-  unsigned char channelmode;
-} usart_options_t;
-
-//! Input parameters when initializing ISO7816 mode.
-typedef struct
-{
-  //! Set the frequency of the ISO7816 clock.
-  unsigned long iso7816_hz;
-
-  //! The number of ISO7816 clock ticks in every bit period (1 to 2047, 0 = disable clock).
-  //! Bit rate = \ref iso7816_hz / \ref fidi_ratio.
-  unsigned short fidi_ratio;
-
-  //! How to calculate the parity bit: \ref USART_EVEN_PARITY for normal mode or
-  //! \ref USART_ODD_PARITY for inverse mode.
-  unsigned char paritytype;
-
-  //! Inhibit Non Acknowledge:\n
-  //!   - 0: the NACK is generated;\n
-  //!   - 1: the NACK is not generated.
-  //!
-  //! \note This bit will be used only in ISO7816 mode, protocol T = 0 receiver.
-  int inhibit_nack;
-
-  //! Disable successive NACKs.
-  //! Successive parity errors are counted up to the value in the \ref max_iterations field.
-  //! These parity errors generate a NACK on the ISO line. As soon as this value is reached,
-  //! no addititional NACK is sent on the ISO line. The ITERATION flag is asserted.
-  int dis_suc_nack;
-
-  //! Max number of repetitions (0 to 7).
-  unsigned char max_iterations;
-
-  //! Bit order in transmitted characters:\n
-  //!   - 0: LSB first;\n
-  //!   - 1: MSB first.
-  int bit_order;
-} usart_iso7816_options_t;
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-//! Input parameters when initializing SPI mode.
-typedef struct
-{
-  //! Set the frequency of the SPI clock (unused in slave mode).
-  unsigned long baudrate;
-
-  //! Number of bits to transmit as a character (5 to 9).
-  unsigned char charlength;
-
-  //! Which SPI mode to use.
-  unsigned char spimode;
-
-  //! Run the channel in testmode: \ref USART_NORMAL_CHMODE, \ref USART_AUTO_ECHO,
-  //! \ref USART_LOCAL_LOOPBACK or \ref USART_REMOTE_LOOPBACK.
-  unsigned char channelmode;
-} usart_spi_options_t;
-
-#endif  // USART rev. >= 4.0.0
-
-
-//------------------------------------------------------------------------------
-/*! \name Initialization Functions
- */
-//! @{
-
-/*! \brief Resets the USART and disables TX and RX.
- *
- * \param usart   Base address of the USART instance.
- */
-extern void usart_reset(volatile avr32_usart_t *usart);
-
-/*! \brief Sets up the USART to use the standard RS232 protocol.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_rs232(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use the standard RS232 protocol in TX-only mode.
- *
- * Compared to \ref usart_init_rs232, this function allows very high baud rates
- * (up to \a pba_hz instead of \a pba_hz / \c 8) at the expense of full duplex.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- *
- * \note The \c 1.5 stop bit is not supported in this mode.
- */
-extern int usart_init_rs232_tx_only(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use hardware handshaking.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- *
- * \note \ref usart_init_rs232 does not need to be invoked before this function.
- */
-extern int usart_init_hw_handshaking(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use the modem protocol, activating dedicated inputs/outputs.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_modem(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use a synchronous RS232-like protocol in master mode.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_sync_master(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use a synchronous RS232-like protocol in slave mode.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_sync_slave(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use the RS485 protocol.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_rs485(volatile avr32_usart_t *usart, const usart_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use the IrDA protocol.
- *
- * \param usart         Base address of the USART instance.
- * \param opt           Options needed to set up RS232 communication (see \ref usart_options_t).
- * \param pba_hz        USART module input clock frequency (PBA clock, Hz).
- * \param irda_filter   Counter used to distinguish received ones from zeros.
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_IrDA(volatile avr32_usart_t *usart, const usart_options_t *opt,
-                           long pba_hz, unsigned char irda_filter);
-
-/*! \brief Sets up the USART to use the ISO7816 T=0 or T=1 smartcard protocols.
- *
- * The receiver is enabled by default. \ref usart_iso7816_enable_receiver and
- * \ref usart_iso7816_enable_transmitter can be called to change the half-duplex
- * communication direction.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up ISO7816 communication (see \ref usart_iso7816_options_t).
- * \param t       ISO7816 mode to use (T=0 or T=1).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_iso7816(volatile avr32_usart_t *usart, const usart_iso7816_options_t *opt, int t, long pba_hz);
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \brief Sets up the USART to use the LIN master mode.
- *
- * \param usart     Base address of the USART instance.
- * \param baudrate  Baud rate.
- * \param pba_hz    USART module input clock frequency (PBA clock, Hz).
- *
- */
-extern int usart_init_lin_master(volatile avr32_usart_t *usart, unsigned long baudrate, long pba_hz);
-
-/*! \brief Sets up the USART to use the LIN slave mode.
- *
- * \param usart     Base address of the USART instance.
- * \param baudrate  Baud rate.
- * \param pba_hz    USART module input clock frequency (PBA clock, Hz).
- *
- */
-extern int usart_init_lin_slave(volatile avr32_usart_t *usart, unsigned long baudrate, long pba_hz);
-
-/*! \brief Sets up the USART to use the SPI master mode.
- *
- * \ref usart_spi_selectChip and \ref usart_spi_unselectChip can be called to
- * select or unselect the SPI slave chip.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up SPI mode (see \ref usart_spi_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_spi_master(volatile avr32_usart_t *usart, const usart_spi_options_t *opt, long pba_hz);
-
-/*! \brief Sets up the USART to use the SPI slave mode.
- *
- * \param usart   Base address of the USART instance.
- * \param opt     Options needed to set up SPI mode (see \ref usart_spi_options_t).
- * \param pba_hz  USART module input clock frequency (PBA clock, Hz).
- *
- * \retval USART_SUCCESS        Mode successfully initialized.
- * \retval USART_INVALID_INPUT  One or more of the arguments is out of valid range.
- */
-extern int usart_init_spi_slave(volatile avr32_usart_t *usart, const usart_spi_options_t *opt, long pba_hz);
-
-#endif  // USART rev. >= 4.0.0
-
-//! @}
-
-
-//------------------------------------------------------------------------------
-/*! \name Read and Reset Error Status Bits
- */
-//! @{
-
-/*! \brief Resets the error status.
- *
- * This function resets the status bits indicating that a parity error,
- * framing error or overrun has occurred. The RXBRK bit, indicating
- * a start/end of break condition on the RX line, is also reset.
- *
- * \param usart   Base address of the USART instance.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_reset_status(volatile avr32_usart_t *usart)
-{
-  usart->cr = AVR32_USART_CR_RSTSTA_MASK;
-}
-
-/*! \brief Checks if a parity error has occurred since last status reset.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if a parity error has been detected, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_parity_error(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_PARE_MASK) != 0;
-}
-
-/*! \brief Checks if a framing error has occurred since last status reset.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if a framing error has been detected, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_framing_error(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_FRAME_MASK) != 0;
-}
-
-/*! \brief Checks if an overrun error has occurred since last status reset.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if a overrun error has been detected, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_overrun_error(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_OVRE_MASK) != 0;
-}
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \brief Get LIN Error Status
- *
- * \param usart   Base address of the USART instance.
- *
- * \retval The binary value of the error field.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_lin_get_error(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & (AVR32_USART_CSR_LINSNRE_MASK |
-                        AVR32_USART_CSR_LINCE_MASK |
-                        AVR32_USART_CSR_LINIPE_MASK |
-                        AVR32_USART_CSR_LINISFE_MASK |
-                        AVR32_USART_CSR_LINBE_MASK)) >> AVR32_USART_CSR_LINBE_OFFSET;
-}
-
-#endif  // USART rev. >= 4.0.0
-
-//! @}
-
-
-//------------------------------------------------------------------------------
-/*! \name ISO7816 Control Functions
- */
-//! @{
-
-/*! \brief Enables the ISO7816 receiver.
- *
- * The ISO7816 transmitter is disabled.
- *
- * \param usart   Base address of the USART instance.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_iso7816_enable_receiver(volatile avr32_usart_t *usart)
-{
-  usart->cr = AVR32_USART_CR_TXDIS_MASK | AVR32_USART_CR_RXEN_MASK;
-}
-
-/*! \brief Enables the ISO7816 transmitter.
- *
- * The ISO7816 receiver is disabled.
- *
- * \param usart   Base address of the USART instance.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_iso7816_enable_transmitter(volatile avr32_usart_t *usart)
-{
-  usart->cr = AVR32_USART_CR_RXDIS_MASK | AVR32_USART_CR_TXEN_MASK;
-}
-
-//! @}
-
-
-//------------------------------------------------------------------------------
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \name LIN Control Functions
- */
-//! @{
-
-/*! \brief Sets the node action.
- *
- * \param usart   Base address of the USART instance.
- * \param action  The node action: \ref USART_LIN_PUBLISH_ACTION,
- *                \ref USART_LIN_SUBSCRIBE_ACTION or
- *                \ref USART_LIN_IGNORE_ACTION.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_set_node_action(volatile avr32_usart_t *usart, unsigned char action)
-{
-  usart->linmr = (usart->linmr & ~AVR32_USART_LINMR_NACT_MASK) |
-                 action << AVR32_USART_LINMR_NACT_OFFSET;
-}
-
-/*! \brief Enables or disables the Identifier parity.
- *
- * \param usart   Base address of the USART instance.
- * \param parity  Whether to enable the Identifier parity: \c TRUE or \c FALSE.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_enable_parity(volatile avr32_usart_t *usart, unsigned char parity)
-{
-  usart->linmr = (usart->linmr & ~AVR32_USART_LINMR_PARDIS_MASK) |
-                 !parity << AVR32_USART_LINMR_PARDIS_OFFSET;
-}
-
-/*! \brief Enables or disables the checksum.
- *
- * \param usart   Base address of the USART instance.
- * \param parity  Whether to enable the checksum: \c TRUE or \c FALSE.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_enable_checksum(volatile avr32_usart_t *usart, unsigned char checksum)
-{
-  usart->linmr = (usart->linmr & ~AVR32_USART_LINMR_CHKDIS_MASK) |
-                 !checksum << AVR32_USART_LINMR_CHKDIS_OFFSET;
-}
-
-/*! \brief Sets the checksum type.
- *
- * \param usart   Base address of the USART instance.
- * \param chktyp  The checksum type: \ref USART_LIN_ENHANCED_CHEKSUM or
- *                \ref USART_LIN_CLASSIC_CHECKSUM.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_set_checksum(volatile avr32_usart_t *usart, unsigned char chktyp)
-{
-  usart->linmr = (usart->linmr & ~AVR32_USART_LINMR_CHKTYP_MASK) |
-                 chktyp << AVR32_USART_LINMR_CHKTYP_OFFSET;
-}
-
-/*! \brief Gets the response data length.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return The response data length.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ unsigned char usart_lin_get_data_length(volatile avr32_usart_t *usart)
-{
-  if (usart->linmr & AVR32_USART_LINMR_DLM_MASK)
-  {
-    unsigned char data_length = 1 << ((usart->linir >> (AVR32_USART_LINIR_IDCHR_OFFSET + 4)) & 0x03);
-    if (data_length == 1)
-      data_length = 2;
-    return data_length;
-  }
-  else
-    return ((usart->linmr & AVR32_USART_LINMR_DLC_MASK) >> AVR32_USART_LINMR_DLC_OFFSET) + 1;
-}
-
-/*! \brief Sets the response data length for LIN 1.x.
- *
- * \param usart   Base address of the USART instance.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_set_data_length_lin1x(volatile avr32_usart_t *usart)
-{
-  usart->linmr |= AVR32_USART_LINMR_DLM_MASK;
-}
-
-/*! \brief Sets the response data length for LIN 2.x.
- *
- * \param usart         Base address of the USART instance.
- * \param data_length   The response data length.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_set_data_length_lin2x(volatile avr32_usart_t *usart, unsigned char data_length)
-{
-  usart->linmr = (usart->linmr & ~(AVR32_USART_LINMR_DLC_MASK |
-                                   AVR32_USART_LINMR_DLM_MASK)) |
-                 (data_length - 1) << AVR32_USART_LINMR_DLC_OFFSET;
-}
-
-/*! \brief Enables or disables the frame slot mode.
- *
- * \param usart       Base address of the USART instance.
- * \param frameslot   Whether to enable the frame slot mode: \c TRUE or
- *                    \c FALSE.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_enable_frameslot(volatile avr32_usart_t *usart, unsigned char frameslot)
-{
-  usart->linmr = (usart->linmr & ~AVR32_USART_LINMR_FSDIS_MASK) |
-                 !frameslot << AVR32_USART_LINMR_FSDIS_OFFSET;
-}
-
-/*! \brief Gets the Identifier character.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return The Identifier character.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ unsigned char usart_lin_get_id_char(volatile avr32_usart_t *usart)
-{
-  return (usart->linir & AVR32_USART_LINIR_IDCHR_MASK) >> AVR32_USART_LINIR_IDCHR_OFFSET;
-}
-
-/*! \brief Sets the Identifier character.
- *
- * \param usart     Base address of the USART instance.
- * \param id_char   The Identifier character.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_set_id_char(volatile avr32_usart_t *usart, unsigned char id_char)
-{
-  usart->linir = (usart->linir & ~AVR32_USART_LINIR_IDCHR_MASK) |
-                 id_char << AVR32_USART_LINIR_IDCHR_OFFSET;
-}
-
-//! @}
-
-#endif  // USART rev. >= 4.0.0
-
-
-//------------------------------------------------------------------------------
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \name SPI Control Functions
- */
-//! @{
-
-/*! \brief Selects SPI slave chip.
- *
- * \param usart   Base address of the USART instance.
- *
- * \retval USART_SUCCESS        Success.
- */
-extern int usart_spi_selectChip(volatile avr32_usart_t *usart);
-
-/*! \brief Unselects SPI slave chip.
- *
- * \param usart   Base address of the USART instance.
- *
- * \retval USART_SUCCESS        Success.
- * \retval USART_FAILURE        Time-out.
- */
-extern int usart_spi_unselectChip(volatile avr32_usart_t *usart);
-
-//! @}
-
-#endif  // USART rev. >= 4.0.0
-
-
-//------------------------------------------------------------------------------
-/*! \name Transmit/Receive Functions
- */
-//! @{
-
-/*! \brief Addresses a receiver.
- *
- * While in RS485 mode, receivers only accept data addressed to them.
- * A packet/char with the address tag set has to precede any data.
- * This function is used to address a receiver. This receiver should read
- * all the following data, until an address packet addresses another receiver.
- *
- * \param usart     Base address of the USART instance.
- * \param address   Address of the target device.
- *
- * \retval USART_SUCCESS    Address successfully sent (if current mode is RS485).
- * \retval USART_MODE_FAULT Wrong operating mode.
- */
-extern int usart_send_address(volatile avr32_usart_t *usart, int address);
-
-/*! \brief Tests if the USART is ready to transmit a character.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if the USART Transmit Holding Register is free, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_tx_ready(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_TXRDY_MASK) != 0;
-}
-
-/*! \brief Writes the given character to the TX buffer if the transmitter is ready.
- *
- * \param usart   Base address of the USART instance.
- * \param c       The character (up to 9 bits) to transmit.
- *
- * \retval USART_SUCCESS  The transmitter was ready.
- * \retval USART_TX_BUSY  The transmitter was busy.
- */
-extern int usart_write_char(volatile avr32_usart_t *usart, int c);
-
-/*! \brief An active wait writing a character to the USART.
- *
- * \param usart   Base address of the USART instance.
- * \param c       The character (up to 9 bits) to transmit.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_bw_write_char(volatile avr32_usart_t *usart, int c)
-{
-  while (usart_write_char(usart, c) != USART_SUCCESS);
-}
-
-/*! \brief Sends a character with the USART.
- *
- * \param usart   Base address of the USART instance.
- * \param c       Character to write.
- *
- * \retval USART_SUCCESS  The character was written.
- * \retval USART_FAILURE  The function timed out before the USART transmitter became ready to send.
- */
-extern int usart_putchar(volatile avr32_usart_t *usart, int c);
-
-/*! \brief Tests if all requested USART transmissions are over.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if the USART Transmit Shift Register and the USART Transmit
- *         Holding Register are free, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_tx_empty(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_TXEMPTY_MASK) != 0;
-}
-
-/*! \brief Tests if the USART contains a received character.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if the USART Receive Holding Register is full, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_test_hit(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_RXRDY_MASK) != 0;
-}
-
-/*! \brief Checks the RX buffer for a received character, and stores it at the
- *         given memory location.
- *
- * \param usart   Base address of the USART instance.
- * \param c       Pointer to the where the read character should be stored
- *                (must be at least short in order to accept 9-bit characters).
- *
- * \retval USART_SUCCESS  The character was read successfully.
- * \retval USART_RX_EMPTY The RX buffer was empty.
- * \retval USART_RX_ERROR An error was deteceted.
- */
-extern int usart_read_char(volatile avr32_usart_t *usart, int *c);
-
-/*! \brief Waits until a character is received, and returns it.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return The received character, or \ref USART_FAILURE upon error.
- */
-extern int usart_getchar(volatile avr32_usart_t *usart);
-
-/*! \brief Writes one character string to the USART.
- *
- * \param usart   Base address of the USART instance.
- * \param string  String to be written.
- */
-extern void usart_write_line(volatile avr32_usart_t *usart, const char *string);
-
-/*! \brief Gets and echoes characters until end of line.
- *
- * \param usart   Base address of the USART instance.
- *
- * \retval USART_SUCCESS  Success.
- * \retval USART_FAILURE  Low-level error detected or ETX character received.
- */
-extern int usart_get_echo_line(volatile avr32_usart_t *usart);
-
-#if defined(AVR32_USART_400_H_INCLUDED) || \
-    defined(AVR32_USART_410_H_INCLUDED) || \
-    defined(AVR32_USART_420_H_INCLUDED) || \
-    defined(AVR32_USART_440_H_INCLUDED) || \
-    defined(AVR32_USART_602_H_INCLUDED)
-
-/*! \brief Abort LIN transmission.
- *
- * \param usart   Base address of the USART instance.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ void usart_lin_abort(volatile avr32_usart_t *usart)
-{
-  usart->cr = AVR32_USART_LINABT_MASK;
-}
-
-/*! \brief Tests if a LIN transfer has been completed.
- *
- * \param usart   Base address of the USART instance.
- *
- * \return \c 1 if a LIN transfer has been completed, otherwise \c 0.
- */
-#if (defined __GNUC__)
-__attribute__((__always_inline__))
-#endif
-extern __inline__ int usart_lin_transfer_completed(volatile avr32_usart_t *usart)
-{
-  return (usart->csr & AVR32_USART_CSR_LINTC_MASK) != 0;
-}
-
-#endif  // USART rev. >= 4.0.0
-
-//! @}
-
-
-#endif  // _USART_H_