annotate uart_addon.c @ 47:340a14fcbaeb

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author Matt Johnston <matt@ucc.asn.au>
date Sun, 24 Jun 2012 10:36:12 +0800
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1 /*************************************************************************
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2 Title: UART addon-library
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3 Author: Martin Thomas <[email protected]>
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4 http://www.siwawi.arubi.uni-kl.de/avr_projects
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5 Software: AVR-GCC 3.3/3.4, Peter Fleury's UART-Library
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6
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7 DESCRIPTION:
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8
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9 USAGE:
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10 Refere to the header file uart_addon.h for a description of the routines.
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11
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12 *************************************************************************/
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13
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14 #include <stdlib.h>
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15
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16 #include <avr/io.h>
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17 #include "uart.h"
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18
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19
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20 /*************************************************************************
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21 Function: uart_put_int()
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22 Purpose: transmit integer as ASCII to UART
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23 Input: integer value
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24 Returns: none
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25 **************************************************************************/
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26 void uart_put_int( const int val )
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27 {
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28 char buffer[10];
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29 uart_puts( itoa( val, buffer, 10 ) );
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30 } /* uart_puti */
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31
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32 /*************************************************************************
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33 Function: uart_put_longint()
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34 Purpose: transmit long integer as ASCII to UART
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35 Input: integer value
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36 Returns: none
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37 **************************************************************************/
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38 void uart_put_longint( const long int val )
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39 {
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40 char buffer[15];
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41 uart_puts( ltoa( val, buffer, 10 ) );
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42 } /* uart_puti */
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43
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44 /*************************************************************************
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45 Function: uart_put_ulongint()
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46 Purpose: transmit long integer as ASCII to UART
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47 Input: integer value
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48 Returns: none
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49 **************************************************************************/
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50 void uart_put_ulongint( const unsigned long int val )
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51 {
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52 char buffer[15];
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53 uart_puts( utoa( val, buffer, 10 ) );
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54 } /* uart_puti */
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55
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56 /*************************************************************************
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57 Function: uart_puthex_nibble()
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58 Purpose: transmit lower nibble as ASCII-hex to UART
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59 Input: byte value
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60 Returns: none
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61 **************************************************************************/
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62 void uart_puthex_nibble(const unsigned char b)
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63 {
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64 unsigned char c = b & 0x0f;
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65 if ( c > 9 ) {
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66 c += 'A'-10;
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67 }
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68 else {
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69 c += '0';
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70 }
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71 uart_putc(c);
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72 } /* uart_puthex_nibble */
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73
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74 /*************************************************************************
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75 Function: uart_puthex_byte()
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76 Purpose: transmit upper and lower nibble as ASCII-hex to UART
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77 Input: byte value
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78 Returns: none
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79 **************************************************************************/
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80 void uart_puthex_byte( const unsigned char b )
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81 {
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82 uart_puthex_nibble( b >> 4 );
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83 uart_puthex_nibble( b );
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84 } /* uart_puthex_byte */
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85
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86 /*************************************************************************
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87 Function: uart_puthex_long()
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88 Purpose: transmit unsigned long as ASCII-hex to UART
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89 Input: uint32_t value
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90 Returns: none
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91 **************************************************************************/
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92 void uart_puthex_long( const unsigned long l )
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93 {
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94 uart_puthex_byte( (unsigned char)( l >> 24 ) );
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95 uart_puthex_byte( (unsigned char)( l >> 16 ) );
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96 uart_puthex_byte( (unsigned char)( l >> 8 ) );
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97 uart_puthex_byte( (unsigned char)( l ) );
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98 } /* uart_puthex_byte */
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99
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100
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101 /*************************************************************************
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102 Function: uart_putbin_byte()
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103 Purpose: transmit byte as ASCII-bin to UART
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104 Input: byte value
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105 Returns: none
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106 **************************************************************************/
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107 void uart_putbin_byte( const unsigned char b )
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108 {
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109 signed char i;
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110 for ( i= 7;i >= 0;i-- ) {
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111 if ( b & ( 1 << i ) ) {
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112 uart_putc( '1' );
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113 }
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114 else {
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115 uart_putc( '0' );
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116 }
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117 }
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118 } /* uart_putbin_byte */