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Add faulty MPSEE cmd 8E workaround

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This commit is contained in:
jgroman
2024-01-27 13:02:46 +01:00
parent 308e47c5c0
commit 33eaf58869
4 changed files with 38 additions and 2 deletions
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src/ftdipp_mpsse.cpp
+26
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@@ -91,6 +91,32 @@ FTDIpp_MPSSE::FTDIpp_MPSSE(const cable_t &cable, const string &dev,
printWarn(err);
memset(_iproduct,'\0', 200);
}
ret = (libusb_error)libusb_get_string_descriptor_ascii(_ftdi->usb_dev,
usb_desc.iManufacturer, _imanufacturer, 200);
/* when FTDI device has no iManufacturer, libusb returns an error
* but there is no distinction between real error and empty field
*/
if (ret < 0) {
snprintf(err, sizeof(err),
"Can't read iManufacturer field from FTDI: "
"considered as empty string");
printWarn(err);
memset(_imanufacturer,'\0', 200);
}
ret = (libusb_error)libusb_get_string_descriptor_ascii(_ftdi->usb_dev,
usb_desc.iSerialNumber, _iserialnumber, 200);
/* when FTDI device has no iSerialNumber, libusb returns an error
* but there is no distinction between real error and empty field
*/
if (ret < 0) {
snprintf(err, sizeof(err),
"Can't read iSerialNumber field from FTDI: "
"considered as empty string");
printWarn(err);
memset(_iserialnumber,'\0', 200);
}
}
FTDIpp_MPSSE::~FTDIpp_MPSSE()