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feat: option to use an extra GPIO as the status indicator

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This commit is contained in:
chenzhuoyu
2023-04-11 00:36:16 +08:00
parent 9e65ebb821
commit cf04d64377
4 changed files with 44 additions and 4 deletions
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src/main.cpp
+21 -2
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@@ -52,6 +52,7 @@ struct arguments {
string cable;
string ftdi_serial;
int ftdi_channel;
int status_pin;
uint32_t freq;
bool invert_read_edge;
string board;
@@ -108,7 +109,7 @@ int main(int argc, char **argv)
/* command line args. */
struct arguments args = {0, false, false, false, false, 0, "", "", "", "-", "", -1,
0, false, "-", false, false, false, false, Device::PRG_NONE, false,
-1, 0, false, "-", false, false, false, false, Device::PRG_NONE, false,
/* spi dfu file_type fpga_part bridge_path probe_firmware */
false, false, "", "", "", "",
/* index_chain file_size target_flash external_flash altsetting */
@@ -220,6 +221,13 @@ int main(int argc, char **argv)
}
}
if (args.status_pin != -1) {
if (cable.type != MODE_FTDI_SERIAL){
printError("Error: FTDI status pin is for FTDI MPSSE cables.");
return EXIT_FAILURE;
}
}
if (args.vid != 0) {
printInfo("Cable VID overridden");
cable.vid = args.vid;
@@ -232,8 +240,9 @@ int main(int argc, char **argv)
cable.bus_addr = args.bus_addr;
cable.device_addr = args.device_addr;
// always set this
// always set these
cable.config.index = args.cable_index;
cable.config.status_pin = args.status_pin;
/* FLASH direct access */
if (args.spi || (board && board->mode == COMM_SPI)) {
@@ -701,6 +710,9 @@ int parse_opt(int argc, char **argv, struct arguments *args,
"bitstream(intel/xilinx)",
cxxopts::value<string>(args->bridge_path))
("c,cable", "jtag interface", cxxopts::value<string>(args->cable))
("status-pin",
"JTAG mode / FTDI: GPIO pin number to use as a status indicator (active low)",
cxxopts::value<int>(args->status_pin))
("invert-read-edge",
"JTAG mode / FTDI: read on negative edge instead of positive",
cxxopts::value<bool>(args->invert_read_edge))
@@ -857,6 +869,13 @@ int parse_opt(int argc, char **argv, struct arguments *args,
args->freq = static_cast<uint32_t>(freq);
}
if (result.count("status-pin")) {
if (args->status_pin < 4 || args->status_pin > 15) {
printError("Error: valid status pin numbers are 4-15.");
throw std::exception();
}
}
if (result.count("ftdi-channel")) {
if (args->ftdi_channel < 0 || args->ftdi_channel > 3) {
printError("Error: valid FTDI channels are 0-3.");