FreeCalypso > hg > freecalypso-tools
view ffstools/newcomp/compile-fc-batt.c @ 619:f82551c77e58
libserial-newlnx: ASYNC_LOW_LATENCY patch reverted
Reports from Das Signal indicate that loadtools performance on Debian
is about the same as on Slackware, and that including or omitting the
ASYNC_LOW_LATENCY patch from Serg makes no difference. Because the
patch in question does not appear to be necessary, it is being reverted
until and unless someone other than Serg reports an actual real-world
system on which loadtools operation times are slowed compared to the
Mother's Slackware reference and on which Slackware-like performance
can be restored by setting the ASYNC_LOW_LATENCY flag.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 27 Feb 2020 01:09:48 +0000 |
parents | 182c3ae209f6 |
children | c79aaed75bd8 |
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/* * This utility compiles a table of battery thresholds for the new FreeCalypso * battery management code from ASCII source into the binary form suitable * for uploading into /etc/batterytab on a FreeCalypso device. */ #include <ctype.h> #include <string.h> #include <strings.h> #include <stdio.h> #include <stdlib.h> #include "../../rvinterf/include/exitcodes.h" char *infname; FILE *inf, *outf; char linebuf[256]; int lineno, record_count; unsigned last_mv, last_percent; process_line() { char *cp; unsigned mv, percent; for (cp = linebuf; isspace(*cp); cp++) ; if (*cp == '\0' || *cp == '#') return(0); if (!isdigit(*cp)) { inv: fprintf(stderr, "%s line %d: invalid syntax\n", infname, lineno); exit(ERROR_USAGE); } mv = strtoul(cp, 0, 10); while (isdigit(*cp)) cp++; if (!isspace(*cp)) goto inv; while (isspace(*cp)) cp++; if (!isdigit(*cp)) goto inv; percent = strtoul(cp, 0, 10); while (isdigit(*cp)) cp++; while (isspace(*cp)) cp++; if (*cp != '\0' && *cp != '#') goto inv; if (mv > 0xFFFF) { fprintf(stderr, "%s line %d: the millivolt value is invalid\n", infname, lineno); exit(ERROR_USAGE); } if (percent > 100) { fprintf(stderr, "%s line %d: the percent value is invalid\n", infname, lineno); exit(ERROR_USAGE); } if (record_count) { if (mv >= last_mv) { fprintf(stderr, "%s line %d: millivolt numbers must be decreasing\n", infname, lineno); exit(ERROR_USAGE); } if (percent >= last_percent) { fprintf(stderr, "%s line %d: percent numbers must be decreasing\n", infname, lineno); exit(ERROR_USAGE); } } putc(mv, outf); putc(mv >> 8, outf); putc(percent, outf); putc(0, outf); last_mv = mv; last_percent = percent; record_count++; return(1); } main(argc, argv) char **argv; { if (argc != 3) { fprintf(stderr, "usage: %s srcfile output-binfile\n", argv[0]); exit(ERROR_USAGE); } infname = argv[1]; inf = fopen(infname, "r"); if (!inf) { perror(infname); exit(ERROR_UNIX); } outf = fopen(argv[2], "w"); if (!outf) { perror(argv[2]); exit(ERROR_UNIX); } for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) process_line(); fclose(inf); fclose(outf); if (record_count) exit(0); fprintf(stderr, "error: %s is empty\n", infname); exit(ERROR_USAGE); }