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/* 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 Strings and integers print module for debug purposes.
*
* - Compiler: IAR EWAVR32 and GNU GCC for AVR32
* - Supported devices: All AVR32 devices with a USART module can be used.
*
* \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 "gpio.h"
#include "usart.h"
#include "print_funcs.h"
//! ASCII representation of hexadecimal digits.
static const char HEX_DIGITS[16] = "0123456789ABCDEF";
void init_dbg_rs232(long pba_hz)
{
init_dbg_rs232_ex(DBG_USART_BAUDRATE, pba_hz);
}
void init_dbg_rs232_ex(unsigned long baudrate, long pba_hz)
{
static const gpio_map_t DBG_USART_GPIO_MAP =
{
{DBG_USART_RX_PIN, DBG_USART_RX_FUNCTION},
{DBG_USART_TX_PIN, DBG_USART_TX_FUNCTION}
};
// Options for debug USART.
usart_options_t dbg_usart_options =
{
.baudrate = baudrate,
.charlength = 8,
.paritytype = USART_NO_PARITY,
.stopbits = USART_1_STOPBIT,
.channelmode = USART_NORMAL_CHMODE
};
// Setup GPIO for debug USART.
gpio_enable_module(DBG_USART_GPIO_MAP,
sizeof(DBG_USART_GPIO_MAP) / sizeof(DBG_USART_GPIO_MAP[0]));
// Initialize it in RS232 mode.
usart_init_rs232(DBG_USART, &dbg_usart_options, pba_hz);
}
void print_dbg(const char *str)
{
// Redirection to the debug USART.
print(DBG_USART, str);
}
void print_dbg_char(int c)
{
// Redirection to the debug USART.
print_char(DBG_USART, c);
}
void print_dbg_ulong(unsigned long n)
{
// Redirection to the debug USART.
print_ulong(DBG_USART, n);
}
void print_dbg_char_hex(unsigned char n)
{
// Redirection to the debug USART.
print_char_hex(DBG_USART, n);
}
void print_dbg_short_hex(unsigned short n)
{
// Redirection to the debug USART.
print_short_hex(DBG_USART, n);
}
void print_dbg_hex(unsigned long n)
{
// Redirection to the debug USART.
print_hex(DBG_USART, n);
}
void print(volatile avr32_usart_t *usart, const char *str)
{
// Invoke the USART driver to transmit the input string with the given USART.
usart_write_line(usart, str);
}
void print_char(volatile avr32_usart_t *usart, int c)
{
// Invoke the USART driver to transmit the input character with the given USART.
usart_putchar(usart, c);
}
void print_ulong(volatile avr32_usart_t *usart, unsigned long n)
{
char tmp[11];
int i = sizeof(tmp) - 1;
// Convert the given number to an ASCII decimal representation.
tmp[i] = '\0';
do
{
tmp[--i] = '0' + n % 10;
n /= 10;
} while (n);
// Transmit the resulting string with the given USART.
print(usart, tmp + i);
}
void print_char_hex(volatile avr32_usart_t *usart, unsigned char n)
{
char tmp[3];
int i;
// Convert the given number to an ASCII hexadecimal representation.
tmp[2] = '\0';
for (i = 1; i >= 0; i--)
{
tmp[i] = HEX_DIGITS[n & 0xF];
n >>= 4;
}
// Transmit the resulting string with the given USART.
print(usart, tmp);
}
void print_short_hex(volatile avr32_usart_t *usart, unsigned short n)
{
char tmp[5];
int i;
// Convert the given number to an ASCII hexadecimal representation.
tmp[4] = '\0';
for (i = 3; i >= 0; i--)
{
tmp[i] = HEX_DIGITS[n & 0xF];
n >>= 4;
}
// Transmit the resulting string with the given USART.
print(usart, tmp);
}
void print_hex(volatile avr32_usart_t *usart, unsigned long n)
{
char tmp[9];
int i;
// Convert the given number to an ASCII hexadecimal representation.
tmp[8] = '\0';
for (i = 7; i >= 0; i--)
{
tmp[i] = HEX_DIGITS[n & 0xF];
n >>= 4;
}
// Transmit the resulting string with the given USART.
print(usart, tmp);
}
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