freecalypso-tools: rvinterf/old/before-rvinterf/txpkt.h annotate

annotate rvinterf/old/before-rvinterf/txpkt.h @ 854:74331b35b1da

ringtools/examples/ring.pwt: PWT equivalent of ring.buz

author	Mychaela Falconia <falcon@freecalypso.org>
date	Tue, 09 Nov 2021 16:39:52 +0000
parents	e7502631a0f9
children

rev	line source
0 e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 * For sizing our buffers etc in rvinterf, we need a limit on the size of
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 * message packets we can send to the target. As it happens, the packet
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 * Rx code in RVT on the target side also has a limit (quite naturally,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 * as it needs to use a static buffer to reassemble incoming packets as
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 * they arrive at the UART in unpredictable interrupt-sized chunks), so
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 * we set our limit to match that in RVT.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 #define MAX_PKT_TO_TARGET 255
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 /*
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 * The above limit definition counts all bytes between the opening and
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 * closing STX flags, but not DLEs inserted for binary transparency.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7 Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 */