Unfortunately the driver is still not fixed, so we have developed a compatibility mode in m4cconnect to avoid crashes and the following workaround for manually installing a proper driver.ġ) Install the FTDIUSBSerialDriver from the. This has been a known issue since late 2013 at which point we filed bug reports with Apple. Older versions of m4cconnect included a driver inside the app which now gets blocked, newer versions of m4cconnect use the Apple-forced way of connecting to the USB port and warn the user when detecting Apple's broken driver. That driver simply lacks handshake protocols and is therefore unusable or severely cripples many microcontroller applications. Using a Mac with at least OS X 10.6.8 installed, access the Mac App Store and download the Mavericks (10. m4cconnect v1.11 will not connect to the module, m4cconnect 1.21 and later will report a warning message when connecting and inform the user about the faulty driver.Īpple decided to include their own, severely broken serial driver for FTDI USB serial chips beginning with Mavericks. When installing m4cconnect on Mac OS beginning with Mavericks, proper operation is not possible. Mount your Mavericks dmg image Go to the mounted image, right click on 'Mavericks.app' and choose 'Show Contents' Go to 'Contents/Shared Support' and mount InstallESD.dmg Mount BaseSystem.dmg by typing the following in terminal: open /Volumes/OS X Install ESD/BaseSystem.
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