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git://projects.qi-hardware.com/ben-wpan.git
synced 2024-12-23 05:03:25 +02:00
atrf-txrx: new option -C to control CLKM output
- atrf-txrx.c (usage, main): added option -C mhz to enable the CLKM output and to set its frequency - atrf-txrx.c (init_txrx): if requested, enable CLKM and set to maximum drive strength
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@ -60,7 +60,12 @@ static double tx_pwr_231[] = {
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static volatile int run = 1;
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static struct atrf_dsc *init_txrx(int trim)
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/*
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* clkm: 0 disable CLKM
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* >0 output 2^(clkm-1) MHz signal
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*/
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static struct atrf_dsc *init_txrx(int trim, unsigned clkm)
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{
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struct atrf_dsc *dsc;
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@ -70,13 +75,19 @@ static struct atrf_dsc *init_txrx(int trim)
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atrf_reset_rf(dsc);
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atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TRX_OFF);
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#ifdef HAVE_USB /* @@@ yeah, ugly */
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atrf_reg_write(dsc, REG_XOSC_CTRL,
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(XTAL_MODE_INT << XTAL_MODE_SHIFT) | trim);
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#else
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atrf_reg_write(dsc, REG_XOSC_CTRL, XTAL_MODE_EXT << XTAL_MODE_SHIFT);
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#endif
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atrf_reg_write(dsc, REG_TRX_CTRL_0, 0); /* disable CLKM */
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if (!clkm)
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atrf_reg_write(dsc, REG_TRX_CTRL_0, 0); /* disable CLKM */
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else
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atrf_reg_write(dsc, REG_TRX_CTRL_0,
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(PAD_IO_8mA << PAD_IO_CLKM_SHIFT) | clkm);
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/* We want to see all interrupts, not only the ones we're expecting. */
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atrf_reg_write(dsc, REG_IRQ_MASK, 0xff);
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@ -318,6 +329,7 @@ static void usage(const char *name)
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" command shell command to run while transmitting (default: wait for\n"
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" SIGINT instead)\n\n"
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" -c channel channel number, 11 to 26 (default %d)\n"
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" -C mhz output clock at 1, 2, 4, 8, or 16 MHz (default: off)\n"
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" -f freq frequency in MHz, 2405 to 2480 (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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@ -338,10 +350,11 @@ int main(int argc, char *const *argv)
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uint8_t cont_tx = 0;
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char *end;
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int c, freq;
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unsigned tmp, clkm = 0;
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int status = 0;
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struct atrf_dsc *dsc;
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while ((c = getopt(argc, argv, "c:f:p:t:T:")) != EOF)
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while ((c = getopt(argc, argv, "c:C:f:p:t: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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@ -372,6 +385,17 @@ int main(int argc, char *const *argv)
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if (trim > 15)
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usage(*argv);
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break;
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case 'C':
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tmp = strtol(optarg, &end, 0);
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if (*end)
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usage(*argv);
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if (!tmp)
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usage(*argv);
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for (clkm = 1; !(tmp & 1); tmp >>= 1)
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clkm++;
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if (tmp != 1 || clkm > 5)
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usage(*argv);
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break;
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case 'T':
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if (!strcmp(optarg, "-2"))
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cont_tx = CONT_TX_M2M;
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@ -390,7 +414,7 @@ int main(int argc, char *const *argv)
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switch (argc-optind) {
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case 0:
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dsc = init_txrx(trim);
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dsc = init_txrx(trim, clkm);
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set_channel(dsc, channel);
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if (!cont_tx)
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receive(dsc);
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@ -407,7 +431,7 @@ int main(int argc, char *const *argv)
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usage(*argv);
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/* fall through */
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case 1:
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dsc = init_txrx(trim);
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dsc = init_txrx(trim, clkm);
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set_channel(dsc, channel);
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if (!cont_tx) {
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set_power(dsc, power, 1);
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