FreeCalypso > hg > freecalypso-tools
view loadtools/labaud.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | 8c011177adb9 |
children |
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/* * This module handles the switching of serial baud rates * in coordination with loadagent. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include "../libserial/baudrate.h" extern int target_fd; extern struct baudrate *current_baud_rate; extern struct baudrate *find_baudrate_by_name(); loadagent_switch_baud(newbr) struct baudrate *newbr; { char *argv[3]; static char U = 'U'; printf("Switching loadagent communication to %s baud\n", newbr->name); argv[0] = "baud"; argv[1] = newbr->name; argv[2] = 0; tpinterf_make_cmd(argv); if (tpinterf_send_cmd() < 0) return(-1); set_serial_baudrate(newbr); usleep(150000); write(target_fd, &U, 1); return tpinterf_pass_output(1); } cmd_baud(argc, argv) char **argv; { struct baudrate *br; if (argc < 2) { printf("Current baud rate is %s\n", current_baud_rate->name); return(0); } br = find_baudrate_by_name(argv[1]); if (!br) return(-1); /* error msg already printed */ return loadagent_switch_baud(br); }