mirror of
git://projects.qi-hardware.com/ben-wpan.git
synced 2024-08-27 12:18:03 +03:00
36e73c4abb
- atrf/tools/: moved to tools/ - tools/Makefile: updated path to Makefile.recurse - tools/atspi-id/Makefile, tools/atspi-reset/Makefile, tools/atspi-rssi/Makefile, tools/atspi-trim/Makefile, tools/atspi-txrx/Makefile, tools/lib/Makefile: updated paths to f32xbase and to atrf/fw/include
63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
/*
|
|
* atspi-trim/atspi-trim.c - AF86RF230 oscillator trim utility
|
|
*
|
|
* Written 2010 by Werner Almesberger
|
|
* Copyright 2010 Werner Almesberger
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <usb.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "at86rf230.h"
|
|
#include "atspi/ep0.h"
|
|
#include "atspi.h"
|
|
|
|
|
|
static void usage(const char *name)
|
|
{
|
|
fprintf(stderr, "%s [trim_value]\n", name);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
usb_dev_handle *dev;
|
|
int trim = -1;
|
|
char *end;
|
|
|
|
switch (argc) {
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
trim = strtoul(argv[1], &end, 0);
|
|
if (*end || trim > 15)
|
|
usage(*argv);
|
|
break;
|
|
default:
|
|
usage(*argv);
|
|
}
|
|
|
|
dev = atspi_open();
|
|
if (!dev)
|
|
return 1;
|
|
|
|
if (trim == -1) {
|
|
trim = atspi_reg_read(dev, REG_XOSC_CTRL) & XTAL_TRIM_MASK;
|
|
printf("%d (%d.%d pF)\n", trim, trim*3/10, trim*3 % 10);
|
|
} else {
|
|
atspi_reg_write(dev, REG_XOSC_CTRL,
|
|
(XTAL_MODE_INT << XTAL_MODE_SHIFT) | trim);
|
|
}
|
|
|
|
return 0;
|
|
}
|