FreeCalypso > hg > freecalypso-tools
diff target-utils/simagent/byterx.c @ 782:badc5399d641
simagent: flush_rx_fifo() factored out
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 13 Mar 2021 21:39:34 +0000 |
parents | 9c1d580b50fb |
children | c136a1a2474b |
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--- a/target-utils/simagent/byterx.c Sat Mar 13 21:32:22 2021 +0000 +++ b/target-utils/simagent/byterx.c Sat Mar 13 21:39:34 2021 +0000 @@ -12,6 +12,22 @@ return(-1); } +flush_rx_fifo() +{ + unsigned count; + + for (count = 0; ; ) { + if (SIMREGS.stat & SIM_STAT_FEMPTY) + break; + (void) SIMREGS.drx; + if (++count >= 32) { + printf("ERROR: Rx FIFO flush does not end\n"); + return(-1); + } + } + return(0); +} + void cmd_sertimeout(argbulk) char *argbulk;