view rvinterf/etmsync/piradccal.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 886f65760d09
children
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/*
 * This module is linked into fc-tmsync and implements a command for
 * retrieving Pirelli's VBAT ADC calibration.
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "localtypes.h"
#include "exitcodes.h"

get_pirelli_vbat_cal()
{
	u_char bytes[2];
	int a, b;
	int rc;

	rc = do_memory_read(0x027F06E5, bytes, 2);
	if (rc)
		return(rc);
	a = bytes[0] | (bytes[1] << 8);
	rc = do_memory_read(0x027F06F7, bytes, 2);
	if (rc)
		return(rc);
	b = bytes[0] | (bytes[1] << 8);
	if (b >= 32768)
		b -= 65536;
	printf("A=%d B=%d\n", a, b);
	return(0);
}