diff options
Diffstat (limited to 'avr/cmd_misc.c')
-rw-r--r-- | avr/cmd_misc.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/avr/cmd_misc.c b/avr/cmd_misc.c new file mode 100644 index 0000000..63a510c --- /dev/null +++ b/avr/cmd_misc.c @@ -0,0 +1,110 @@ +/* + * (C) Copyright 2014,2016 Leo C. <erbl259-lmu@yahoo.de> + * + * Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include "cmd_misc.h" +#include "eval_arg.h" +#include <stdbool.h> + +#include "timer.h" +#include "con-utils.h" +#include "getopt-min.h" + + +command_ret_t do_echo(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + bool put_newline = true; + + (void) cmdtp; (void) flag; + + int opt; + while ((opt = getopt(argc, argv, PSTR("n"))) != -1) { + switch (opt) { + case 'n': + put_newline = false; + break; + default: /* '?' */ + return CMD_RET_USAGE; + } + } + + for (uint_fast8_t i = optind; i < argc; i++) { + + if (i != optind) + putchar(' '); + + my_puts(argv[i]); + } + + if (put_newline) + putchar('\n'); + + return CMD_RET_SUCCESS; +} + + +command_ret_t do_sleep(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + unsigned long start = get_timer(0); + unsigned long delay; + char *sp; + uint_fast8_t millisec = 0; + + (void) cmdtp; (void) flag; + + if (argc != 2) + return CMD_RET_USAGE; + + delay = eval_arg(argv[1], &sp); + + if (*sp == 'm') { + millisec = 1; + sp++; + } + if (*sp == 's') + sp++; + if (*sp != '\0') + return CMD_RET_USAGE; + + if (!millisec) + delay *= 1000; + + while (get_timer(start) < delay) { + if (ctrlc()) + return CMD_RET_FAILURE; + + udelay(100); + } + + return CMD_RET_SUCCESS; +} + +command_ret_t do_time(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) +{ + uint32_t elapsed_ms = 0; + command_ret_t retval; + uint_fast8_t repeatable; + + if (argc == 1) + return CMD_RET_USAGE; + + elapsed_ms = get_timer(0); + retval = cmd_process(0, argc - 1, argv + 1, &repeatable); + elapsed_ms = get_timer(elapsed_ms); + + uint32_t min; + uint16_t sec, ms; + + min = elapsed_ms / 1000 / 60; + sec = (elapsed_ms / 1000) % 60; + ms = elapsed_ms % 1000; + + printf_P(PSTR("\ntime: %lum %u.%03us\n"), min, sec, ms); + + return retval; +} |