mirror of
git://projects.qi-hardware.com/ben-wpan.git
synced 2024-09-18 07:33:41 +03:00
8934c062a9
- atrf-txrx/atrf-txrx.c (tx_pwr_230, tx_pwr_231, set_power): moved to lib/misctxrx.c - include/misctxrx.h, lib/misctxr.c (set_power_step, set_power_dBm): separated dBm to index conversion from the actual operation - atrf-txrx/atrf-txrx.c (main): use new set_power_dBm instead of old set_power
159 lines
3.2 KiB
C
159 lines
3.2 KiB
C
/*
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* lib/misctxrx.c - Miscellaenous transceiver helper functions
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*
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* Written 2010-2011 by Werner Almesberger
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* Copyright 2010-2011 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 <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <signal.h>
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#include <math.h>
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#include "at86rf230.h"
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#include "atrf.h"
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#include "misctxrx.h"
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/* ----- Interrupts -------------------------------------------------------- */
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static volatile int run = 1;
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static void die(int sig)
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{
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run = 0;
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}
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uint8_t wait_for_interrupt(struct atrf_dsc *dsc, uint8_t wait_for,
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uint8_t ignore, int sleep_us, int timeout)
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{
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uint8_t irq = 0, show;
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void (*old_sig)(int);
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run = 1;
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old_sig = signal(SIGINT, die);
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while (run) {
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while (run && !atrf_interrupt(dsc)) {
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usleep(sleep_us);
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if (timeout && !--timeout) {
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irq = 0;
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goto out;
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}
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}
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irq = atrf_reg_read(dsc, REG_IRQ_STATUS);
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if (atrf_error(dsc))
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exit(1);
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if (!irq)
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continue;
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show = irq & ~ignore;
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if (!show) {
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if (irq & wait_for)
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break;
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continue;
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}
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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_END)
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fprintf(stderr, " TRX_END");
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if (irq & IRQ_CCA_ED_DONE)
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fprintf(stderr, " CCA_ED_DONE");
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if (irq & IRQ_AMI)
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fprintf(stderr, " AMI");
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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 & wait_for)
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break;
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}
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out:
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signal(SIGINT, old_sig);
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if (!run)
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raise(SIGINT);
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return irq;
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}
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/* ----- Transmit power ---------------------------------------------------- */
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static double tx_pwr_230[] = {
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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 double tx_pwr_231[] = {
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3.0, 2.8, 2.3, 1.8,
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1.3, 0.7, 0.0, -1,
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-2, -3, -4, -5,
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-7, -9, -12, -17
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};
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void set_power_step(struct atrf_dsc *dsc, int power, int crc)
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{
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uint8_t tmp;
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switch (atrf_identify(dsc)) {
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case artf_at86rf230:
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atrf_reg_write(dsc, REG_PHY_TX_PWR,
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(crc ? TX_AUTO_CRC_ON_230 : 0) | power);
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break;
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case artf_at86rf231:
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tmp = atrf_reg_read(dsc, REG_PHY_TX_PWR);
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tmp = (tmp & ~TX_PWR_MASK) | power;
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atrf_reg_write(dsc, REG_PHY_TX_PWR, tmp);
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atrf_reg_write(dsc, REG_TRX_CTRL_1,
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crc ? TX_AUTO_CRC_ON : 0);
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break;
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default:
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abort();
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}
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}
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void set_power_dBm(struct atrf_dsc *dsc, double power, int crc)
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{
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const double *tx_pwr;
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int n;
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switch (atrf_identify(dsc)) {
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case artf_at86rf230:
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tx_pwr = tx_pwr_230;
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break;
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case artf_at86rf231:
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tx_pwr = tx_pwr_231;
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break;
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default:
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abort();
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}
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for (n = 0; n != sizeof(tx_pwr_230)/sizeof(*tx_pwr_230)-1; n++)
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if (tx_pwr[n] <= power)
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break;
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if (fabs(tx_pwr[n]-power) > 0.01)
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fprintf(stderr, "TX power %.1f dBm\n", tx_pwr[n]);
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set_power_step(dsc, n, crc);
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}
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