IEEE 802.15.4 subsystem
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IEEE 802.15.4 subsystem Commit Details
| Date: | 2010-08-24 02:49:20 (9 years 11 months ago) |
|---|---|
| Author: | Werner Almesberger |
| Commit: | b7700518d9a2276137e51c7ed8de8373a43007f9 |
| Message: | atspi-trim: utility to set the crystal trimming capacitors. - atrf/tools/Makefile: added atspi-trim - atrf/tools/atspi-trim/Makefile, atrf/tools/atspi-trim/atspi-trim.c: show and adjust the capacitors to trim the crystal oscillator - atrf/tools/atspi-rssi/atspi-rssi.c: removed left-over FROM_DEV and TO_DEV |
| Files: |
atrf/tools/Makefile (1 diff) atrf/tools/atspi-rssi/atspi-rssi.c (1 diff) atrf/tools/atspi-trim/Makefile (1 diff) atrf/tools/atspi-trim/atspi-trim.c (1 diff) |
Change Details
| atrf/tools/Makefile | ||
|---|---|---|
| 11 | 11 | # |
| 12 | 12 | |
| 13 | 13 | |
| 14 | DIRS=atspi-id atspi-reset atspi-rssi | |
| 14 | DIRS=atspi-id atspi-reset atspi-rssi atspi-trim | |
| 15 | 15 | |
| 16 | 16 | include ../../Makefile.recurse |
| atrf/tools/atspi-rssi/atspi-rssi.c | ||
|---|---|---|
| 21 | 21 | #include "atspi.h" |
| 22 | 22 | |
| 23 | 23 | |
| 24 | #define FROM_DEV ATSPI_FROM_DEV(0) | |
| 25 | #define TO_DEV ATSPI_TO_DEV(0) | |
| 26 | ||
| 27 | ||
| 28 | 24 | static struct timeval t0; |
| 29 | 25 | |
| 30 | 26 | |
| atrf/tools/atspi-trim/Makefile | ||
|---|---|---|
| 1 | # | |
| 2 | # atspi-trim/Makefile - Build the oscillator trim utility | |
| 3 | # | |
| 4 | # Written 2010 by Werner Almesberger | |
| 5 | # Copyright 2010 Werner Almesberger | |
| 6 | # | |
| 7 | # This program is free software; you can redistribute it and/or modify | |
| 8 | # it under the terms of the GNU General Public License as published by | |
| 9 | # the Free Software Foundation; either version 2 of the License, or | |
| 10 | # (at your option) any later version. | |
| 11 | # | |
| 12 | ||
| 13 | ||
| 14 | F32XBASE = ../../../../f32xbase | |
| 15 | ||
| 16 | MAIN = atspi-trim | |
| 17 | ||
| 18 | include $(F32XBASE)/lib/Makefile.common | |
| 19 | ||
| 20 | CFLAGS += -I../../fw/include -I../include | |
| 21 | LDLIBS += -L../lib -latspi | |
| atrf/tools/atspi-trim/atspi-trim.c | ||
|---|---|---|
| 1 | /* | |
| 2 | * atspi-trim/atspi-trim.c - AF86RF230 oscillator trim utility | |
| 3 | * | |
| 4 | * Written 2010 by Werner Almesberger | |
| 5 | * Copyright 2010 Werner Almesberger | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | */ | |
| 12 | ||
| 13 | ||
| 14 | #include <stdlib.h> | |
| 15 | #include <stdio.h> | |
| 16 | #include <usb.h> | |
| 17 | #include <sys/time.h> | |
| 18 | ||
| 19 | #include "at86rf230.h" | |
| 20 | #include "atspi/ep0.h" | |
| 21 | #include "atspi.h" | |
| 22 | ||
| 23 | ||
| 24 | static void usage(const char *name) | |
| 25 | { | |
| 26 | fprintf(stderr, "%s [trim_value]\n", name); | |
| 27 | exit(1); | |
| 28 | } | |
| 29 | ||
| 30 | ||
| 31 | int main(int argc, const char **argv) | |
| 32 | { | |
| 33 | usb_dev_handle *dev; | |
| 34 | int trim = -1; | |
| 35 | char *end; | |
| 36 | ||
| 37 | switch (argc) { | |
| 38 | case 1: | |
| 39 | break; | |
| 40 | case 2: | |
| 41 | trim = strtoul(argv[1], &end, 0); | |
| 42 | if (*end || trim > 15) | |
| 43 | usage(*argv); | |
| 44 | break; | |
| 45 | default: | |
| 46 | usage(*argv); | |
| 47 | } | |
| 48 | ||
| 49 | dev = atspi_open(); | |
| 50 | if (!dev) | |
| 51 | return 1; | |
| 52 | ||
| 53 | if (trim == -1) { | |
| 54 | trim = atspi_reg_read(dev, REG_XOSC_CTRL) & XTAL_TRIM_MASK; | |
| 55 | printf("%d (%d.%d pF)\n", trim, trim*3/10, trim*3 % 10); | |
| 56 | } else { | |
| 57 | atspi_reg_write(dev, REG_XOSC_CTRL, | |
| 58 | (XTAL_MODE_INT << XTAL_MODE_SHIFT) | trim); | |
| 59 | } | |
| 60 | ||
| 61 | return 0; | |
| 62 | } | |
