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ftdi MPSSE / jtag: add option to use neg edge for TDO's sampling

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This commit is contained in:
Gwenhael Goavec-Merou
2022-03-11 07:45:48 +01:00
parent 86b2e14dbd
commit 964c7d6659
7 changed files with 37 additions and 13 deletions
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src/main.cpp
+6 -2
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@@ -45,6 +45,7 @@ struct arguments {
string ftdi_serial;
int ftdi_channel;
uint32_t freq;
bool invert_read_edge;
string board;
bool pin_config;
bool list_cables;
@@ -80,7 +81,7 @@ int main(int argc, char **argv)
/* command line args. */
struct arguments args = {0, false, false, false, 0, "", "", "-", "", -1,
0, "-", false, false, false, false, Device::PRG_NONE, false,
0, false, "-", false, false, false, false, Device::PRG_NONE, false,
false, false, "", "", "", -1, 0, false, -1, 0, 0, 0, false, ""};
/* parse arguments */
try {
@@ -369,7 +370,8 @@ int main(int argc, char **argv)
Jtag *jtag;
try {
jtag = new Jtag(cable, &pins_config, args.device, args.ftdi_serial,
args.freq, args.verbose, args.probe_firmware);
args.freq, args.verbose, args.invert_read_edge,
args.probe_firmware);
} catch (std::exception &e) {
printError("JTAG init failed with: " + string(e.what()));
return EXIT_FAILURE;
@@ -579,6 +581,8 @@ int parse_opt(int argc, char **argv, struct arguments *args, jtag_pins_conf_t *p
("b,board", "board name, may be used instead of cable",
cxxopts::value<string>(args->board))
("c,cable", "jtag interface", cxxopts::value<string>(args->cable))
("invert-read-edge", "JTAG mode / FTDI: read on negative edge instead of positive",
cxxopts::value<bool>(args->invert_read_edge))
("vid", "probe Vendor ID", cxxopts::value<uint16_t>(args->vid))
("pid", "probe Product ID", cxxopts::value<uint16_t>(args->pid))