XASCN — Serial Camera Notifications

Reports asynchronous serial camera state notifications when camera mode 2 is enabled and unsolicited routing is configured.

Qualifier

Where:

Field	Description
`A`	Camera notification state
`BBB`	Photo ID (optional; can be empty)
`C`	Port ID (`0` = device serial port)
`IMEI`	Device modem IMEI included in notification envelope

`A`	Meaning
`0`	Serial camera ready
`3`	Sending photo to FTP server
`4`	Photo successfully sent to FTP server (`G17` becomes momentarily true)
`5`	Serial camera is not responding
`6`	Capture command could not be sent to camera
`7`	Camera did not recognize capture command (temporary communication error)
`8`	Captured photo information could not be read
`9`	Communication error while camera sends photo to device
`10`	Could not create photo file on device
`11`	Could not send photo to FTP server because FTP service is busy
`12`	Could not connect to FTP server (retry policy applies)
`13`	Another photo is being captured (photo queued)
`14`	Error capturing photo: memory full (photo removed from queue)
`15`	Error capturing photo (photo removed from queue)
`16`	Max photo ID reached; no more photos can be captured
`17`	Request limit reached
`19`	FTP not configured

>RXASCN4,598,0;ID=123456789012345<

>RXASCN5,,0;ID=123456789012345<

Notifications are emitted by runtime camera state changes (not by query polling).
XASCM configures mode/route/resolution, while XASCN reports asynchronous camera state.
In current implementation, port ID is 0.