projects / OpenSPARC-T2-SAM / blame
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| 54 | <H2><A NAME="SECTION0022120000000000000000"></A><A NAME="al-port-objects"></A> | |
| 55 | <BR> | |
| 56 | 20.1.2 Port Objects | |
| 57 | </H2> | |
| 58 | ||
| 59 | <P> | |
| 60 | Port objects, as returned by <tt class="function">openport()</tt>, have the following | |
| 61 | methods: | |
| 62 | ||
| 63 | <P> | |
| 64 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 65 | <td><nobr><b><tt id='l2h-5054' xml:id='l2h-5054' class="method">closeport</tt></b>(</nobr></td> | |
| 66 | <td><var></var>)</td></tr></table></dt> | |
| 67 | <dd> | |
| 68 | Close the port. | |
| 69 | </dl> | |
| 70 | ||
| 71 | <P> | |
| 72 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 73 | <td><nobr><b><tt id='l2h-5055' xml:id='l2h-5055' class="method">getfd</tt></b>(</nobr></td> | |
| 74 | <td><var></var>)</td></tr></table></dt> | |
| 75 | <dd> | |
| 76 | Return the file descriptor as an int. | |
| 77 | </dl> | |
| 78 | ||
| 79 | <P> | |
| 80 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 81 | <td><nobr><b><tt id='l2h-5056' xml:id='l2h-5056' class="method">getfilled</tt></b>(</nobr></td> | |
| 82 | <td><var></var>)</td></tr></table></dt> | |
| 83 | <dd> | |
| 84 | Return the number of filled samples. | |
| 85 | </dl> | |
| 86 | ||
| 87 | <P> | |
| 88 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 89 | <td><nobr><b><tt id='l2h-5057' xml:id='l2h-5057' class="method">getfillable</tt></b>(</nobr></td> | |
| 90 | <td><var></var>)</td></tr></table></dt> | |
| 91 | <dd> | |
| 92 | Return the number of fillable samples. | |
| 93 | </dl> | |
| 94 | ||
| 95 | <P> | |
| 96 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 97 | <td><nobr><b><tt id='l2h-5058' xml:id='l2h-5058' class="method">readsamps</tt></b>(</nobr></td> | |
| 98 | <td><var>nsamples</var>)</td></tr></table></dt> | |
| 99 | <dd> | |
| 100 | Read a number of samples from the queue, blocking if necessary. | |
| 101 | Return the data as a string containing the raw data, (e.g., 2 bytes per | |
| 102 | sample in big-endian byte order (high byte, low byte) if you have set | |
| 103 | the sample width to 2 bytes). | |
| 104 | </dl> | |
| 105 | ||
| 106 | <P> | |
| 107 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 108 | <td><nobr><b><tt id='l2h-5059' xml:id='l2h-5059' class="method">writesamps</tt></b>(</nobr></td> | |
| 109 | <td><var>samples</var>)</td></tr></table></dt> | |
| 110 | <dd> | |
| 111 | Write samples into the queue, blocking if necessary. The samples are | |
| 112 | encoded as described for the <tt class="method">readsamps()</tt> return value. | |
| 113 | </dl> | |
| 114 | ||
| 115 | <P> | |
| 116 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 117 | <td><nobr><b><tt id='l2h-5060' xml:id='l2h-5060' class="method">getfillpoint</tt></b>(</nobr></td> | |
| 118 | <td><var></var>)</td></tr></table></dt> | |
| 119 | <dd> | |
| 120 | Return the `fill point'. | |
| 121 | </dl> | |
| 122 | ||
| 123 | <P> | |
| 124 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 125 | <td><nobr><b><tt id='l2h-5061' xml:id='l2h-5061' class="method">setfillpoint</tt></b>(</nobr></td> | |
| 126 | <td><var>fillpoint</var>)</td></tr></table></dt> | |
| 127 | <dd> | |
| 128 | Set the `fill point'. | |
| 129 | </dl> | |
| 130 | ||
| 131 | <P> | |
| 132 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 133 | <td><nobr><b><tt id='l2h-5062' xml:id='l2h-5062' class="method">getconfig</tt></b>(</nobr></td> | |
| 134 | <td><var></var>)</td></tr></table></dt> | |
| 135 | <dd> | |
| 136 | Return a configuration object containing the current configuration of | |
| 137 | the port. | |
| 138 | </dl> | |
| 139 | ||
| 140 | <P> | |
| 141 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 142 | <td><nobr><b><tt id='l2h-5063' xml:id='l2h-5063' class="method">setconfig</tt></b>(</nobr></td> | |
| 143 | <td><var>config</var>)</td></tr></table></dt> | |
| 144 | <dd> | |
| 145 | Set the configuration from the argument, a configuration object. | |
| 146 | </dl> | |
| 147 | ||
| 148 | <P> | |
| 149 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 150 | <td><nobr><b><tt id='l2h-5064' xml:id='l2h-5064' class="method">getstatus</tt></b>(</nobr></td> | |
| 151 | <td><var>list</var>)</td></tr></table></dt> | |
| 152 | <dd> | |
| 153 | Get status information on last error. | |
| 154 | </dl> | |
| 155 | ||
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