When a Teensy has been programmed with such incorrect code, the reset button must be held down BEFORE the USB cable is connected, and then released only after the USB cable is fully connected. On some PCs, this can "confuse" your USB port and a cold reboot may be required to restore USB functionality. If you load a file built for a different chip, often it will hang while trying to initialize the on-chip USB controller (each chip has a different PLL-based clock generator). Valid options are:Ĭaution: HEX files compiled with USB support must be compiled for the correct chip. This syntax is the same as used by gcc, which makes integrating with your Makefile easier, we also now support passing in a logical name. Teensy_loader_cli -mcu=mk20dx256 -w blink_slow_Teens圓2.hex Usage and Command Line OptionsĪ typical usage from the command line may look like this:
Other Linux systems may require other package installation to compile.
On Ubuntu, you may need to install "libusb-dev" to compile. All versions of NT-based Windows with USB support (2000 and later) are believed to work. Version 2.0 has been tested on Ubuntu 9.04, Mac OS-X 10.5, Windows XP, FreeBSD 8.0, OpenBSD (2 snapshot), and NetBSD 5.0.1. If you have a BSD compatible make, replace "Makefile" with "Makefile.bsd". Edit the Makefile to select your operating system, then just type "make". To compile, you must have gcc or mingw installed. The command line version is provided as source code for most platforms. For most uses, the graphical version in Automatic Mode is much easier. The Teensy Loader is available in a command line version for advanced users who want to automate programming, typically using a Makefile.
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