FreeCalypso > hg > freecalypso-tools
view target-utils/libcommon/buzzer.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 | 4be951811791 |
children |
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/* * Commands for exercising the Calypso's buzzer output, whatever * actual hardware (piezo buzzer or vibrator) it may be driving * on a given Calypso device. */ #include <sys/types.h> #include "types.h" extern u_long strtoul(); #define ARMIO_LOAD_TIM (*(volatile u16 *) 0xFFFE4808) #define BUZZ_LIGHT_REG (*(volatile u16 *) 0xFFFE480E) #define BUZZ_LEVEL_REG (*(volatile u16 *) 0xFFFE4812) void cmd_buzlev(argbulk) char *argbulk; { char *argv[2]; u32 arg; if (parse_args(argbulk, 0, 1, argv, 0) < 0) return; if (argv[0]) { arg = strtoul(argv[0], 0, 0); if (arg > 0xFFFF) { printf("ERROR: argument out of range\n"); return; } BUZZ_LEVEL_REG = arg; } else printf("%04X\n", BUZZ_LEVEL_REG); } void cmd_buz(argbulk) char *argbulk; { char *argv[2]; u32 arg; int c; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; arg = strtoul(argv[0], 0, 0); if (arg > 0xFFFF) { printf("ERROR: argument out of range\n"); return; } ARMIO_LOAD_TIM = arg; BUZZ_LIGHT_REG = 1; for (;;) { c = serial_in_poll(); if (c >= 0) break; } BUZZ_LIGHT_REG = 0; }