target-utils: added 10 ms delay at the end of abb_power_off() The deosmification of the ABB access code (replacement of osmo_delay_ms() bogus delays with correctly-timed ones, which are significantly shorter) had one annoying side effect: when executing the poweroff command from any of the programs, one last '=' prompt character was being sent (and received by the x86 host) as the Calypso board powers off. With delays being shorter now, the abb_power_off() function was returning and the standalone program's main loop was printing its prompt before the Iota chip fully executed the switch-off sequence! I thought about inserting an endless tight loop at the end of the abb_power_off() function, but the implemented solution of a 10 ms delay is a little nicer IMO because if the DEVOFF operation doesn't happen for some reason in a manual hacking scenario, there won't be an artificial blocker in the form of a tight loop keeping us from further poking around.

#include <sys/types.h>
#include <strings.h>
#include "types.h"
#include "abbdefs.h"

#define	GPIO_OUT_REG		(*(volatile u16 *) 0xfffe4802)
#define	BACKLIGHT_GPIO_MASK	0x0002

#define	AUXLED_KPBL_OFF	0x000
#define	AUXLED_KPBL_ON	0x002

void
cmd_dbl(argbulk)
	char *argbulk;
{
	char *argv[2];

	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
		return;
	if (!strcmp(argv[0], "on"))
		GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK;
	else if (!strcmp(argv[0], "off"))
		GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK;
	else
		printf("ERROR: \"on\" or \"off\" argument expected\n");
}

void
cmd_kpbl(argbulk)
	char *argbulk;
{
	char *argv[2];

	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
		return;
	if (!strcmp(argv[0], "on"))
		abb_reg_write(AUXLED, AUXLED_KPBL_ON);
	else if (!strcmp(argv[0], "off"))
		abb_reg_write(AUXLED, AUXLED_KPBL_OFF);
	else
		printf("ERROR: \"on\" or \"off\" argument expected\n");
}