/*
 * 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"

#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;
}