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/**
* \file
*
* \brief USART Serial wrapper service for the SAM D/L/C/R devices.
*
* Copyright (c) 2009-2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* 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 microcontroller 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.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef _USART_SERIAL_H_
#define _USART_SERIAL_H_
#include "compiler.h"
#include "status_codes.h"
#include "usart.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \name Serial Management Configuration */
typedef Sercom * usart_inst_t;
//struct usart_module usart;
/*! \brief Initializes the Usart in serial mode.
*
* \param[in,out] module Software instance of the USART to initialize.
* \param[in] hw Base address of the hardware USART.
* \param[in] config Configuration settings for the USART.
*
* \retval true if the initialization was successful
* \retval false if initialization failed (error in baud rate calculation)
*/
static inline bool usart_serial_init(
struct usart_module *const module,
usart_inst_t const hw,
const struct usart_config *const config)
{
if (usart_init(module, hw, config) == STATUS_OK) {
return true;
}
else {
return false;
}
}
/** \brief Sends a character with the USART.
*
* \param[in,out] module Software instance of the USART.
* \param[in] c Character to write.
*
* \return Status code
*/
static inline enum status_code usart_serial_putchar(
struct usart_module *const module,
uint8_t c)
{
while(STATUS_OK !=usart_write_wait(module, c));
return STATUS_OK;
}
/** \brief Waits until a character is received, and returns it.
*
* \param[in,out] module Software instance of the USART.
* \param[out] c Destination for the read character.
*/
static inline void usart_serial_getchar(
struct usart_module *const module,
uint8_t *c)
{
uint16_t temp = 0;
while(STATUS_OK != usart_read_wait(module, &temp));
*c = temp;
}
/**
* \brief Send a sequence of bytes to USART device
*
* \param[in,out] module Software instance of the USART.
* \param[in] tx_data Data buffer to read the data to write from.
* \param[in] length Length of data to write.
*/
static inline enum status_code usart_serial_write_packet(
struct usart_module *const module,
const uint8_t *tx_data,
uint16_t length)
{
return usart_write_buffer_wait(module, tx_data, length);
}
/**
* \brief Receive a sequence of bytes from USART device
*
* \param[in,out] module Software instance of the USART.
* \param[out] rx_data Data buffer to store the read data into.
* \param[in] length Length of data to read.
*/
static inline enum status_code usart_serial_read_packet(
struct usart_module *const module,
uint8_t *rx_data,
uint16_t length)
{
return usart_read_buffer_wait(module, rx_data, length);
}
#ifdef __cplusplus
}
#endif
#endif // _USART_SERIAL_H_
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