DocID022544 Rev 3

5/23

AN4018

Firmware architecture

2

Firmware architecture

Figure 1 shows the firmware architecture:

Figure 1. Firmware architecture

The physical layer of the ST7580 provides a basic MAC service through a serial

communication interface.

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BSP layer:

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The “BSP” layer manages the communication interfaces from the physical layer

(ST7580) and the data link layer. Moreover, this manages the anti-collision

repeating message.

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Data link layer:

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The “Data link” layer manages the framing sent and received, and the power line

modem configuration.

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Service layer:

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The “Service” layer provides the data link services to the application layer; it allows

messages and commands to be sent and received.

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Application layer:

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The “Application” layer can be customized by the user; in this section the user

must design the application to create, manage and maintain the network.