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main: add option to specify device index

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This commit is contained in:
Gwenhael Goavec-Merou
2021-05-15 15:26:09 +02:00
parent acf4ab270c
commit 27af85dc19
2 changed files with 58 additions and 37 deletions
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src/main.cpp
+29 -12
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@@ -64,6 +64,7 @@ struct arguments {
string file_type;
string fpga_part;
string probe_firmware;
int index_chain;
};
int parse_opt(int argc, char **argv, struct arguments *args, jtag_pins_conf_t *pins_config);
@@ -79,7 +80,7 @@ int main(int argc, char **argv)
/* command line args. */
struct arguments args = {0, false, false, 0, "", "", "-", "", -1, 6000000, "-",
false, false, false, false, Device::WR_SRAM, false, false, "",
"", ""};
"", "", 0};
/* parse arguments */
try {
if (parse_opt(argc, argv, &args, &pins_config))
@@ -274,19 +275,30 @@ int main(int argc, char **argv)
}
if (found != 0) {
for (int i = 0; i < found; i++) {
if (fpga_list.find(listDev[i]) != fpga_list.end()) {
index = i;
if (idcode != -1) {
printError("Error: currently only one device is supported");
for (int i = 0; i < found; i++)
printf("0x%08x\n", listDev[i]);
delete(jtag);
return EXIT_FAILURE;
} else {
idcode = listDev[i];
if (args.index_chain == -1) {
for (int i = 0; i < found; i++) {
if (fpga_list.find(listDev[i]) != fpga_list.end()) {
index = i;
if (idcode != -1) {
printError("Error: more than one FPGA found");
printError("Use --index-chain to force selection");
for (int i = 0; i < found; i++)
printf("0x%08x\n", listDev[i]);
delete(jtag);
return EXIT_FAILURE;
} else {
idcode = listDev[i];
}
}
}
} else {
index = args.index_chain;
if (index > found || index < 0) {
printError("wrong index for device in JTAG chain");
delete(jtag);
return EXIT_FAILURE;
}
idcode = listDev[index];
}
} else {
printError("Error: no device found");
@@ -296,6 +308,9 @@ int main(int argc, char **argv)
jtag->device_select(index);
/* check if selected device is supported
* mainly used in conjunction with --index-chain
*/
if (fpga_list.find(idcode) == fpga_list.end()) {
cerr << "Error: device " << hex << idcode << " not supported" << endl;
delete(jtag);
@@ -413,6 +428,8 @@ int parse_opt(int argc, char **argv, struct arguments *args, jtag_pins_conf_t *p
("freq", "jtag frequency (Hz)", cxxopts::value<string>(freqo))
("f,write-flash",
"write bitstream in flash (default: false, only for Gowin and ECP5 devices)")
("index-chain", "device index in JTAG-chain",
cxxopts::value<int>(args->index_chain))
("list-boards", "list all supported boards",
cxxopts::value<bool>(args->list_boards))
("list-cables", "list all supported cables",