STR71xF Embedded Flash Programming with ADS

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2

Programming procedure

The following section takes you step by step through the process of downloading a binary file to Flash

memory.

The STR710-Eval board is used as an example to illustrate the hardware set up, however the same

fundamental procedure can be applied to other application/evaluation boards featuring ST ARM core-based

microcontrollers.

The example in this procedure also refers to ARM Multi-ICE, however it is possible to use the ARM Angel

Debug Monitor. For more information refer to the

2.1

Converting ELF image file into plain binary format

The file that you will program to internal Flash must be in plain binary format suitable for direct download into

Flash memory. You can convert your image files in Executable Linkable Format (ELF) to plain binary format

using the fromELF utility.

To convert an ELF file to a binary (.bin) file, invoke the fromELF utility using the command line as shown

below:

-bin: specifies the output file format

-o outfile.bin: specifies the name of the output file

infile.axf: specifies the ELF file to be translated

For a detailed explanation of the fromELF command line and options, you can refer to the

ARM Developer

2.2

Configuring and connecting to hardware

The target board should be configured to boot from RAM prior to invoking the Flash downloader utility. This

is to ensure that the memory where the Flash programming routine will be downloaded is mapped to RAM.

If you are using the STR710-Eval board, configure the boot mode as follows:

1

Configure switches SW13, SW14 and SW15 to RAM Mode (RAM mapped at 0h).

Note:

You can refer to STR710-Eval Board Datasheet for detailed descriptions of switch positions and

boot modes.

2

Connect the target board to your host PC via the Multi-ICE interface device and power on your

target board.

fromelf -bin -o outfile.bin infile.axf

Table 1: STR710-EVAL switch configuration

Switch

Description

Position

• SW13

Boot mode 1:

Execute code from internal RAM

RAM mapped at 0h

2-3

• SW14

Boot mode 0:

1-2

• SW15

Boot mode EN:

2-3