This is a simple command line utility for programming ARM-based MCUs (currently only Atmel) through CMSIS-DAP SWD interface. It works on Linux, Mac OS X and Windows. It was tested with Atmel mEDBG- and EDBG-based boards, Atmel-ICE, LPC-Link2 and IBDAP.
Binary releases can be downloaded here. Binary releases are not tested, they are a result of automated build process.
If you want to build from the source code, simply run make all and you will get a small binary, called edbg.
The dependencies are minimal. In addition to normal development tools (GCC, make, etc) you will need:
- Windows: none
- Linux: libudev-dev
- Mac OS X: libhidapi (built automatically by a Makefile)
Usage: edbg [options]
Options:
-h, --help print this help message and exit
-b, --verbose print verbose messages
-e, --erase perform a chip erase before programming
-p, --program program the chip
-v, --verify verify memory
-k, --lock lock the chip (set security bit)
-r, --read read the contents of the chip
-f, --file <file> binary file to be programmed or verified; also read output file name
-t, --target <name> specify a target type (use '-t list' for a list of supported target types)
-l, --list list all available debuggers
-s, --serial <number> use a debugger with a specified serial number
-c, --clock <freq> interface clock frequency in kHz (default 16000)
-o, --offset <offset> offset for the operation
-z, --size <size> size for the operation
-F, --fuse <options> operations on the fuses (use '-h fuse' for details)
Fuse operations format: <actions>,<index/range>,<value>
<actions> - any combination of 'r' (read), 'w' (write), 'v' (verify)
<index/range> - index of the fuse, or a range of fuses (limits separated by ':')
specify ':' to read all fuses
specify '*' to read and write values from a file
<value> - fuses value or file name for write and verify operations
immediate values must be 32 bits or less
Exact fuse bits locations and values are target-dependent.
> edbg -bpv -t atmel_cm7 -f build/Demo.bin
Debugger: ATMEL EDBG CMSIS-DAP ATML2407060200000332 02.01.0157 (S)
Target type: Cortex-M7
Target: SAM V71J21
Programming....,.. done.
Verification....... done.
Fuse operations:
-F w,1,1 -- set fuse bit 1
-F w,8:7,0 -- clear fuse bits 8 and 7
-F v,31:0,0x12345678 -- verify that fuse bits 31-0 are equal to 0x12345678
-F wv,5,1 -- set and verify fuse bit 5
-F r,:, -- read all fuses
-F wv,*,fuses.bin -- write and verify all fuses from a file
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