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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 */ |
