view target-utils/pln-ppb-test/read_id.c @ 1012:11391cb6bdc0

patch from fixeria: doc change from SE K2x0 to K2xx Since their discovery in late 2022, Sony Ericsson K200 and K220 phones were collectively referred to as SE K2x0 in FreeCalypso documentation. However, now that SE K205 has been discovered as yet another member of the same family (same PCBA in different case), it makes more sense to refer to the whole family as SE K2xx.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Sep 2024 12:23:20 +0000
parents 5a6019ed7e72
children
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/*
 * read-id (Autoselect) command
 */

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

void
cmd_read_id(argbulk)
	char *argbulk;
{
	char *argv[2];
	u_long addr;

	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
		return;
	if (parse_hexarg(argv[0], 8, &addr) < 0) {
		printf("ERROR: argument must be a valid 32-bit hex address\n");
		return;
	}
	if (addr & 0xFFFF) {
		printf("ERROR: address is not on 64 KiB boundary\n");
		return;
	}
	*(volatile u16 *)(addr + 0xAAA) = 0xAA;
	*(volatile u16 *)(addr + 0x554) = 0x55;
	*(volatile u16 *)(addr + 0xAAA) = 0x90;
}