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feat: add sample command to evalutate dynamic range

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TT 2019-08-12 20:53:33 +09:00
parent dc60e11698
commit e626c581ee
3 changed files with 39 additions and 2 deletions
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25
main.c
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@ -378,6 +378,26 @@ static void cmd_gamma(BaseSequentialStream *chp, int argc, char *argv[])
}
#endif
static void (*sample_func)(float *gamma) = calculate_gamma;
static void cmd_sample(BaseSequentialStream *chp, int argc, char *argv[])
{
if (argc == 1) {
if (strcmp(argv[0], "ref") == 0) {
sample_func = fetch_amplitude_ref;
return;
} else if (strcmp(argv[0], "ampl") == 0) {
sample_func = fetch_amplitude;
return;
} else if (strcmp(argv[0], "gamma") == 0) {
sample_func = calculate_gamma;
return;
}
}
chprintf(chp, "usage: sample {gamma|ampl|ref}\r\n");
}
#if 0
int32_t frequency0 = 1000000;
int32_t frequency1 = 300000000;
@ -485,13 +505,13 @@ void sweep(void)
palClearPad(GPIOC, GPIOC_LED);
/* calculate reflection coeficient */
calculate_gamma(measured[0][i]);
(*sample_func)(measured[0][i]);
tlv320aic3204_select_in1(); // CH1:TRANSMISSION
wait_dsp(delay);
/* calculate transmission coeficient */
calculate_gamma(measured[1][i]);
(*sample_func)(measured[1][i]);
// blink LED while scanning
palSetPad(GPIOC, GPIOC_LED);
@ -1653,6 +1673,7 @@ static const ShellCommand commands[] =
{ "stat", cmd_stat },
{ "gain", cmd_gain },
{ "power", cmd_power },
{ "sample", cmd_sample },
//{ "gamma", cmd_gamma },
//{ "scan", cmd_scan },
{ "sweep", cmd_sweep },