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Add hackrf_debug option to read ADC

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Co-authored-by: Martin Ling <martin-git@earth.li>
This commit is contained in:
Michael Ossmann
2025-11-25 20:08:20 -05:00
parent 692da36d76
commit 29be31bf71
12 changed files with 233 additions and 22 deletions
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30
host/hackrf-tools/src/hackrf_debug.c
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@@ -577,6 +577,7 @@ static void usage()
printf("\t-u, --ui <1/0>: enable/disable UI\n");
printf("\t-l, --leds <state>: configure LED state (0 for all off, 1 for default)\n");
printf("\t-t, --selftest: read self-test report\n");
printf("\t-a, --adc <channel>: read value from an ADC channel. Add 0x80 for alternate pin\n");
printf("\nExamples:\n");
printf("\thackrf_debug --si5351c -n 0 -r # reads from si5351c register 0\n");
printf("\thackrf_debug --si5351c -c # displays si5351c multisynth configuration\n");
@@ -608,6 +609,7 @@ static struct option long_options[] = {
{"ui", required_argument, 0, 'u'},
{"leds", required_argument, 0, 'l'},
{"selftest", no_argument, 0, 't'},
{"adc", required_argument, 0, 'a'},
{0, 0, 0, 0},
};
@@ -636,6 +638,7 @@ int main(int argc, char** argv)
uint32_t clkin_state;
uint32_t narrowband_state;
uint32_t bitstream_index;
uint32_t adc_channel;
bool set_tx_limit = false;
bool set_rx_limit = false;
bool set_p1 = false;
@@ -644,6 +647,7 @@ int main(int argc, char** argv)
bool set_narrowband = false;
bool set_fpga_bitstream = false;
bool read_selftest = false;
bool read_adc = false;
int result = hackrf_init();
if (result) {
@@ -656,7 +660,7 @@ int main(int argc, char** argv)
while ((opt = getopt_long(
argc,
argv,
"n:rw:d:cmsfg1:2:C:N:P:ST:R:h?u:l:t",
"n:rw:d:cmsfg1:2:C:N:P:ST:R:h?u:l:ta:",
long_options,
&option_index)) != EOF) {
switch (opt) {
@@ -764,6 +768,11 @@ int main(int argc, char** argv)
read_selftest = true;
break;
case 'a':
read_adc = true;
result = parse_int(optarg, &adc_channel);
break;
case 'h':
case '?':
usage();
@@ -803,7 +812,7 @@ int main(int argc, char** argv)
if (!(write || read || dump_config || dump_state || set_tx_limit ||
set_rx_limit || set_ui || set_leds || set_p1 || set_p2 || set_clkin ||
set_narrowband || set_fpga_bitstream || read_selftest)) {
set_narrowband || set_fpga_bitstream || read_selftest || read_adc)) {
fprintf(stderr, "Specify read, write, or config option.\n");
usage();
return EXIT_FAILURE;
@@ -811,7 +820,7 @@ int main(int argc, char** argv)
if (part == PART_NONE && !set_ui && !dump_state && !set_tx_limit &&
!set_rx_limit && !set_leds && !set_p1 && !set_p2 && !set_clkin &&
!set_narrowband && !set_fpga_bitstream && !read_selftest) {
!set_narrowband && !set_fpga_bitstream && !read_selftest && !read_adc) {
fprintf(stderr, "Specify a part to read, write, or print config from.\n");
usage();
return EXIT_FAILURE;
@@ -964,6 +973,21 @@ int main(int argc, char** argv)
printf("%s", selftest.msg);
}
if (read_adc) {
uint16_t value;
result = hackrf_read_adc(device, adc_channel, &value);
if (result != HACKRF_SUCCESS) {
printf("hackrf_read_adc() failed: %s (%d)\n",
hackrf_error_name(result),
result);
return EXIT_FAILURE;
}
printf("ADC0_%d (%s pin): %d\n",
adc_channel & 0x7,
adc_channel & 0x80 ? "alternate" : "dedicated",
value);
}
result = hackrf_close(device);
if (result) {
printf("hackrf_close() failed: %s (%d)\n",