119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/*************************************************************************
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Title: UART addon-library
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Author: Martin Thomas <eversmith@heizung-thomas.de>
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http://www.siwawi.arubi.uni-kl.de/avr_projects
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Software: AVR-GCC 3.3/3.4, Peter Fleury's UART-Library
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DESCRIPTION:
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USAGE:
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Refere to the header file uart_addon.h for a description of the routines.
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*************************************************************************/
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#include <stdlib.h>
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#include <avr/io.h>
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#include "uart.h"
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/*************************************************************************
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Function: uart_put_int()
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Purpose: transmit integer as ASCII to UART
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Input: integer value
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Returns: none
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**************************************************************************/
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void uart_put_int( const int val )
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{
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char buffer[10];
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uart_puts( itoa( val, buffer, 10 ) );
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} /* uart_puti */
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/*************************************************************************
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Function: uart_put_longint()
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Purpose: transmit long integer as ASCII to UART
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Input: integer value
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Returns: none
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**************************************************************************/
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void uart_put_longint( const long int val )
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{
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char buffer[15];
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uart_puts( ltoa( val, buffer, 10 ) );
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} /* uart_puti */
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/*************************************************************************
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Function: uart_put_ulongint()
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Purpose: transmit long integer as ASCII to UART
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Input: integer value
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Returns: none
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**************************************************************************/
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void uart_put_ulongint( const unsigned long int val )
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{
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char buffer[15];
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uart_puts( utoa( val, buffer, 10 ) );
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} /* uart_puti */
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/*************************************************************************
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Function: uart_puthex_nibble()
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Purpose: transmit lower nibble as ASCII-hex to UART
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Input: byte value
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Returns: none
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**************************************************************************/
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void uart_puthex_nibble(const unsigned char b)
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{
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unsigned char c = b & 0x0f;
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if ( c > 9 ) {
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c += 'A'-10;
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}
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else {
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c += '0';
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}
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uart_putc(c);
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} /* uart_puthex_nibble */
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/*************************************************************************
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Function: uart_puthex_byte()
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Purpose: transmit upper and lower nibble as ASCII-hex to UART
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Input: byte value
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Returns: none
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**************************************************************************/
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void uart_puthex_byte( const unsigned char b )
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{
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uart_puthex_nibble( b >> 4 );
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uart_puthex_nibble( b );
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} /* uart_puthex_byte */
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/*************************************************************************
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Function: uart_puthex_long()
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Purpose: transmit unsigned long as ASCII-hex to UART
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Input: uint32_t value
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Returns: none
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**************************************************************************/
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void uart_puthex_long( const unsigned long l )
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{
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uart_puthex_byte( (unsigned char)( l >> 24 ) );
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uart_puthex_byte( (unsigned char)( l >> 16 ) );
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uart_puthex_byte( (unsigned char)( l >> 8 ) );
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uart_puthex_byte( (unsigned char)( l ) );
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} /* uart_puthex_byte */
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/*************************************************************************
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Function: uart_putbin_byte()
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Purpose: transmit byte as ASCII-bin to UART
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Input: byte value
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Returns: none
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**************************************************************************/
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void uart_putbin_byte( const unsigned char b )
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{
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signed char i;
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for ( i= 7;i >= 0;i-- ) {
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if ( b & ( 1 << i ) ) {
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uart_putc( '1' );
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}
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else {
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uart_putc( '0' );
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}
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}
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} /* uart_putbin_byte */
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