mirror of
git://projects.qi-hardware.com/ben-wpan.git
synced 2025-04-21 12:27:27 +03:00
Moved tools/ out of atrf, in preparation of merge with atusd.
- 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
This commit is contained in:
Werner Almesberger
217
tools/atspi-txrx/atspi-txrx.c
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217
tools/atspi-txrx/atspi-txrx.c
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/*
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* atspi-txrx/atspi-txrx.c - ben-wpan AF86RF230 TX/RX
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*
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* Written 2010 by Werner Almesberger
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* Copyright 2010 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <usb.h>
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#include "at86rf230.h"
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#include "atspi/ep0.h"
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#include "atspi.h"
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/*
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* According to IEEE 802.15.4-2003 section E.2.6, channel 15 is the only
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* channel that falls into the 802.11 guard bands in North America an Europe.
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*/
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#define DEFAULT_CHANNEL 15 /* channel 15, 2425 MHz */
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/*
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* Transmit power, dBm. IEEE 802.15.4-2003 section E.3.1.3 specifies a transmit
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* power of 0 dBm for IEEE 802.15.4. We assume an antenna gain of 3 dB or
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* better.
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*/
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#define DEFAULT_POWER -3.2 /* transmit power, dBm */
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static double tx_pwr[] = {
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3.0, 2.6, 2.1, 1.6,
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1.1, 0.5, -0.2, -1.2,
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-2.2, -3.2, -4.2, -5.2,
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-7.2, -9.2, -12.2, -17.2
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};
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static usb_dev_handle *init_txrx(int trim)
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{
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usb_dev_handle *dev;
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dev = atspi_open();
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if (!dev)
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exit(1);
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atspi_reset_rf(dev);
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atspi_reg_write(dev, REG_TRX_STATE, TRX_CMD_TRX_OFF);
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atspi_reg_write(dev, REG_XOSC_CTRL,
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(XTAL_MODE_INT << XTAL_MODE_SHIFT) | trim);
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atspi_reg_write(dev, REG_TRX_CTRL_0, 0); /* disable CLKM */
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return dev;
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}
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static void set_channel(usb_dev_handle *dev, int channel)
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{
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atspi_reg_write(dev, REG_PHY_CC_CCA, (1 << CCA_MODE_SHIFT) | channel);
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}
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static void set_power(usb_dev_handle *dev, double power)
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{
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int n;
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for (n = 0; n != sizeof(tx_pwr)/sizeof(*tx_pwr)-1; n++)
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if (tx_pwr[n] <= power)
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break;
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atspi_reg_write(dev, REG_PHY_TX_PWR, TX_AUTO_CRC_ON | n);
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}
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static void receive(usb_dev_handle *dev)
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{
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uint8_t irq;
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uint8_t buf[MAX_PSDU+1]; /* PSDU+LQI */
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int n, ok, i;
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uint8_t lq;
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atspi_reg_write(dev, REG_TRX_STATE, TRX_CMD_RX_ON);
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(void) atspi_reg_read(dev, REG_IRQ_STATUS);
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fprintf(stderr, "Ready.\n");
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while (1) {
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irq = atspi_reg_read(dev, REG_IRQ_STATUS);
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if (atspi_error())
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exit(1);
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if (!irq)
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continue;
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if (irq == IRQ_TRX_END)
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break;
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fprintf(stderr, "IRQ (0x%02x):", irq);
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if (irq & IRQ_PLL_LOCK)
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fprintf(stderr, " PLL_LOCK");
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if (irq & IRQ_PLL_UNLOCK)
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fprintf(stderr, " PLL_UNLOCK");
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if (irq & IRQ_RX_START)
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fprintf(stderr, " RX_START");
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if (irq & IRQ_TRX_UR)
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fprintf(stderr, " TRX_UR");
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if (irq & IRQ_BAT_LOW)
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fprintf(stderr, " BAT_LOW");
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fprintf(stderr, "\n");
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if (irq & IRQ_TRX_END)
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break;
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}
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n = atspi_buf_read(dev, buf, sizeof(buf));
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if (n < 0)
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exit(1);
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if (n < 3) {
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fprintf(stderr, "%d bytes received\n", n);
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exit(1);
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}
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ok = !!(atspi_reg_read(dev, REG_PHY_RSSI) & RX_CRC_VALID);
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lq = buf[n-1];
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fprintf(stderr, "%d bytes payload, CRC %s, LQI %u\n",
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n-3, ok ? "OK" : "BAD", lq);
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for (i = 0; i != n-3; i++)
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putchar(buf[i] < ' ' || buf[i] > '~' ? '?' : buf[i]);
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putchar('\n');
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}
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static void transmit(usb_dev_handle *dev, const char *msg)
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{
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uint8_t buf[MAX_PSDU];
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atspi_reg_write(dev, REG_TRX_STATE, TRX_CMD_PLL_ON);
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/*
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* We need to copy the message to append the CRC placeholders.
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*/
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strcpy((void *) buf, msg);
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atspi_buf_write(dev, buf, strlen(msg)+2);
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/* @@@ should wait for clear channel */
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atspi_reg_write(dev, REG_TRX_STATE, TRX_CMD_TX_START);
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/* @@@ should wait for TX done */
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}
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static void usage(const char *name)
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{
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fprintf(stderr,
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"usage: %s [-c channel] [-p power] [-t trim] [message]\n"
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" -c channel channel number, 11 to 26 (default %d)\n"
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" -p power transmit power, -17.2 to 3.0 dBm (default %.1f)\n"
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" -t trim trim capacitor, 0 to 15 (default 0)\n"
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, name , DEFAULT_CHANNEL, DEFAULT_POWER);
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exit(1);
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}
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int main(int argc, char *const *argv)
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{
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int channel = DEFAULT_CHANNEL;
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double power = DEFAULT_POWER;
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int trim = 0;
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char *end;
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int c;
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usb_dev_handle *dev;
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while ((c = getopt(argc, argv, "c:p:t:")) != EOF)
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switch (c) {
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case 'c':
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channel = strtoul(optarg, &end, 0);
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if (*end)
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usage(*argv);
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if (channel < 11 || channel > 26)
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usage(*argv);
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break;
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case 'p':
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power = strtod(optarg, &end);
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if (*end)
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usage(*argv);
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break;
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case 't':
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trim = strtoul(optarg, &end, 0);
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if (*end)
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usage(*argv);
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if (trim > 15)
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usage(*argv);
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break;
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default:
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usage(*argv);
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}
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switch (argc-optind) {
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case 0:
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dev = init_txrx(trim);
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set_channel(dev, channel);
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receive(dev);
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break;
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case 1:
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dev = init_txrx(trim);
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set_channel(dev, channel);
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set_power(dev, power);
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transmit(dev, argv[optind]);
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break;
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default:
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usage(*argv);
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}
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return 0;
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}
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