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annotate rvinterf/include/limits.h @ 1015:9ced8e13cf91

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fc-shell tch-dl command implementation: brown paper bag
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sun, 20 Mar 2016 23:07:46 +0000
parents 2f285f20d617
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4d8e4c58df71 rvtdump: implemented Tx extension hack, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * For sizing our buffers etc in the rvinterf suite, including the local
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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3 * UNIX domain socket protocol between rvinterf and fc-tmsh etc, we need
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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4 * to have some limits on the message sizes in both host->target and
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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5 * target->host directions.
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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6 *
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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7 * For the host->target direction, the choice of message size limit is
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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8 * easy: the packet Rx code in RVT on the target side also has a limit
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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9 * (quite naturally, as it needs to use a static buffer to reassemble
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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10 * incoming packets as they arrive at the UART in unpredictable interrupt-
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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11 * sized chunks), so we set our limit to match that in RVT.
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12 */
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4d8e4c58df71 rvtdump: implemented Tx extension hack, compiles
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14 #define MAX_PKT_TO_TARGET 255
4d8e4c58df71 rvtdump: implemented Tx extension hack, compiles
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16 /*
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17 * In the other direction (target->host), there is no fixed limit
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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18 * definition easily visible in the target fw code: any fw component
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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19 * can call rvt_send_trace_cpy() or rvt_mem_alloc() followed by
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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20 * rvt_send_trace_no_cpy(), or some higher-level API that reduces to
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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21 * these functions, with a message of any size, subject only to memory
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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22 * limits, which obviously aren't as strict as a #define'd maximum
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parents: 173
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23 * message size. Hence in this direction we use our own arbitrary
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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parents: 173
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24 * choice of size limit.
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25 */
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27 #define MAX_PKT_FROM_TARGET 512
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29 /*
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
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30 * Both limit definitions above counts all bytes between the opening and
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31 * closing STX flags, but not DLEs inserted for binary transparency.
4d8e4c58df71 rvtdump: implemented Tx extension hack, compiles
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32 */