FreeCalypso > hg > freecalypso-tools

annotate rvinterf/include/limits.h @ 511:0212edcec4d2

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loadtools/flashid.c: added alt ID for 28F320C3T equiv in Mot C139
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 28 May 2019 17:09:24 +0000
parents e7502631a0f9
children ca6e969be6ee
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1 /*
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2 * For sizing our buffers etc in the rvinterf suite, including the local
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3 * UNIX domain socket protocol between rvinterf and fc-tmsh etc, we need
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4 * to have some limits on the message sizes in both host->target and
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5 * target->host directions.
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6 *
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7 * For the host->target direction, the choice of message size limit is
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8 * easy: the packet Rx code in RVT on the target side also has a limit
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9 * (quite naturally, as it needs to use a static buffer to reassemble
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10 * incoming packets as they arrive at the UART in unpredictable interrupt-
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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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14 #define MAX_PKT_TO_TARGET 255
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16 /*
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17 * In the other direction (target->host), there is no fixed limit
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18 * definition easily visible in the target fw code: any fw component
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19 * can call rvt_send_trace_cpy() or rvt_mem_alloc() followed by
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20 * rvt_send_trace_no_cpy(), or some higher-level API that reduces to
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21 * these functions, with a message of any size, subject only to memory
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22 * limits, which obviously aren't as strict as a #define'd maximum
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23 * message size. Hence in this direction we use our own arbitrary
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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 /*
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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.
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32 */