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hackrf_transfer: accept CW amplitude up to 128

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This commit is contained in:
Michael Ossmann
2022-09-08 15:58:22 -04:00
parent 755ca960e5
commit e7b19ef2c2
1 changed files with 4 additions and 4 deletions
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8
host/hackrf-tools/src/hackrf_transfer.c
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@ -506,7 +506,7 @@ int tx_callback(hackrf_transfer* transfer)
}
for (i = 0; i < bytes_to_read; i++)
transfer->buffer[i] = amplitude;
transfer->buffer[i] = -(uint8_t) amplitude;
if (limit_num_samples && (bytes_to_xfer == 0)) {
stop_main_loop();
@ -628,7 +628,7 @@ static void usage()
printf("\t[-S buf_size] # Enable receive streaming with buffer size buf_size.\n");
#endif
printf("\t[-B] # Print buffer statistics during transfer\n");
printf("\t[-c amplitude] # CW signal source mode, amplitude 0-127 (DC value to DAC).\n");
printf("\t[-c amplitude] # CW signal source mode, amplitude 0-128 (DC value to DAC).\n");
printf("\t[-R] # Repeat TX mode (default is off) \n");
printf("\t[-b baseband_filter_bw_hz] # Set baseband filter bandwidth in Hz.\n");
printf("\tPossible values: 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28MHz, default <= 0.75 * sample_rate_hz.\n");
@ -1015,9 +1015,9 @@ int main(int argc, char** argv)
if (signalsource) {
transceiver_mode = TRANSCEIVER_MODE_SS;
if (amplitude > 127) {
if (amplitude > 128) {
fprintf(stderr,
"argument error: amplitude shall be in between 0 and 127.\n");
"argument error: amplitude must be between 0 and 128.\n");
usage();
return EXIT_FAILURE;
}