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# Cortex-M3 Design Start Eval package example on MPS2+ board
This folder includes the port of mbed OS on the example system of the Cortex-M3
This folder includes the port of Mbed OS on the example system of the Cortex-M3
Design Start Eval package. This example is implemented in FPGA on the MPS2+
board. Please check the [Mbed page](https://os.mbed.com/platforms/ARM-CM3DS/) of
this target for more information.
board. Please see this target's [Mbed page](https://os.mbed.com/platforms/ARM-CM3DS/)
for more information.
For convenience, this target is called **CM3DS**.
## Compiling
The target name is `ARM_CM3DS_MPS2`, you should be able to compile Mbed OS
The target name is `ARM_CM3DS_MPS2`. You can compile Mbed OS
projects for CM3DS with:
```bash
mbed compile -t COMPILER -m ARM_CM3DS_MPS2
```
The following compilers are supported (replace `COMPILER` with):
Mbed OS supports the following compilers (replace `COMPILER` with):
* `ARM` for Arm Compiler version 5.
* `GCC_ARM` for GNU Compiler for Arm.
@ -25,9 +25,9 @@ The following compilers are supported (replace `COMPILER` with):
Because of the new memory configuration introduced in commit `CM3DS: switch to
larger memories for code and data`, it
has become easier (and portable amoung all compilers) to use `.elf` files
instead of `.bin`. `.elf` files are now the default for CM3DS projects and only
they will be generated from the compilation.
has become easier (and portable among all compilers) to use `.elf` files
instead of `.bin`. `.elf` files are now the default for CM3DS projects, and compilation
generates only them.
For `.elf` files to work, you need **at least version 2.2.5** of the MPS2+
firmware. For more information, please see the [firmware version 2.2.6 and instructions on how to put it
in the MPS2+ board](https://community.arm.com/processors/designstart/f/discussions/9727/mps2-firmware-for-mbed).
@ -40,6 +40,7 @@ If you want to execute the Mbed OS greentea tests on CM3DS, you need
* `mbedls` does not automatically recognize which serial port is linked to the
board. Check it manually, and create a file named `mbedls.json` containing
(at the same level than where you execute all commands):
```bash
{
"50040200074D652F3828F333": {
@ -47,16 +48,18 @@ board. Check it manually, and create a file named `mbedls.json` containing
}
}
```
Replace `/dev/ttyUSB0` with your correct serial port
(something like `COM6` on Windows).
* `mbedls` does not link CM3DS target ID with its name, so execute the command:
```bash
mbedls --mock 5004:ARM_CM3DS_MPS2
```
* You can now compile and run the tests
* You can now compile and run the tests:
```bash
mbed test -m ARM_CM3DS_MPS2 -t COMPILER
```