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MuditaOS/module-cellular/modem/doc/ATStream.md
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Channel implementation

Table of contents

  1. History
  2. Scope
  3. Current implementation

History

Authors Change description Status Modification date
Bartosz Reichel Initial version Draft 2021.02.10

Scope

Description of dependencies for channel and ATStream usage

Current implementation

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When initializing the modem, communication is direct via the UART channel through the ATParser channel (AT commands). At CMUX configuration, the channel for AT commands is represented by DLC_Channel (see Channel::Commands and also Channel::Notifications and Channel::Data).

Both ATParser and DLC_Channel use ATStream (in Channel) for parsing AT command. ATStream parse AT commands in terms of correctness /return (not the selected command)

below way of how ATStream parse command (especially such strange like QPING)

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