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this SIM5218 AT command manual - Cooking Hacks

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<strong>SIM5218</strong> Serial <strong>AT</strong> Command Set<br />

10.21 <strong>AT</strong>+CUDLOADS Switch to UART download mode<br />

Description<br />

The <strong>command</strong> switch upgrade mode from USB download mode to UART download mode.<br />

Notice:<br />

1. The default download mode is through USB, <strong>this</strong> <strong>command</strong> is used when one wants to use<br />

UART to upgrade firmware.<br />

2. When use <strong>AT</strong>+CUDLOADS=1, USB can never be used to upgrade firmware.<br />

3. When one set <strong>this</strong> <strong>command</strong> “1”, after UART download finished, <strong>this</strong> <strong>command</strong> will be “0”,<br />

and next download mode will be USB download mode.<br />

SIM PIN References<br />

NO Vendor<br />

Syntax<br />

Test Command<br />

Responses<br />

<strong>AT</strong>+CUDLOADS= +CUDLOADS: (0-1)<br />

OK<br />

Read Command<br />

<strong>AT</strong>+CUDLOADS<br />

Write Command<br />

<strong>AT</strong>+CUDLOADS=<br />

Execution Command<br />

<strong>AT</strong>+CUDLOADS<br />

Responses<br />

+CUDLOADS: <br />

OK<br />

Responses<br />

OK<br />

ERROR<br />

Responses<br />

Set default value:<br />

OK<br />

Defined values<br />

<br />

The download mode which will be set.<br />

0 – USB download mode.<br />

1 – UART download mode.<br />

Examples<br />

<strong>AT</strong>+CUDLOADS<br />

+CUDLOADS: 0<br />

OK<br />

<strong>AT</strong>+CUDLOADS=<br />

+CUDLOADS: (0-1)<br />

<strong>SIM5218</strong>_Serial _<strong>AT</strong>C_V1.36 226<br />

5/15/2012

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