User`s guide

Architecture

5-40 AT85C51SND3Bx Firmware User’s Guide

7691A–MP3–08/07

Table 5-18. Recorder public routines

5.6.4 Viewer Interface

The Viewer module takes controls the picture decoder features of the chip:

– it interfaces the decoder processor

– it manages the decoding of picture files (start, stop)

The viewer module does not include a command.

Table 5-19. Viewer events

Table 5-20. Viewer public routines

Routines Description

record_on() Initialize the record with:

- microphone or line-in as input.

- current file selected on current file system navigator.

record_off() Stop the recording and close file

record_start() Start the recording

record_gettime() Get the recording time

recorder_task_start() Enable recorder task (it must be call after record_start() successfull)

recorder_task_stop() Disable recorder task (it must be call after record_off() successfull)

Events Description

EVT_VIEWER_EOF End of picture decoding.

Note: viewer_task_stop() is automaticly executed.

EVT_VIEWER_FAIL Error during picture decoding.

Note: viewer_task_stop() is automaticly executed.

EVT_VIEWER_ERR_ACCESS_FILE Error during access file

Note: viewer_task_stop() is automaticly executed.

Routines Description

viewer_set_width() Set the width of the viewer display area.