guides:gsm_modules
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| guides:gsm_modules [2009/06/12 21:57] – danielrichman | guides:gsm_modules [2009/06/12 21:58] (current) – danielrichman | ||
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| ===== Protocols ===== | ===== Protocols ===== | ||
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| ==== Serial/AT commands ==== | ==== Serial/AT commands ==== | ||
| * ASCII interface | * ASCII interface | ||
| * Phone may or may not accept SMSes in plain text - you may need to convert to PDU code. This is relatively easy, and the binary result is hex-dumped as ASCII before being sent to the phone. | * Phone may or may not accept SMSes in plain text - you may need to convert to PDU code. This is relatively easy, and the binary result is hex-dumped as ASCII before being sent to the phone. | ||
| + | * REQUIRES \r\n (CRLF)!!! Linux users beware, don't waste your time wondering why it doesn' | ||
| ==== FBUS ==== | ==== FBUS ==== | ||
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| * Exposed contacts for FBUS are usually available on the outside of the phone only for older models. New Nokias have gold pads on the inside which are incredibly difficult to solder as they are gold plated. | * Exposed contacts for FBUS are usually available on the outside of the phone only for older models. New Nokias have gold pads on the inside which are incredibly difficult to solder as they are gold plated. | ||
| * Recommended to get a cable rather then soldering to the pins | * Recommended to get a cable rather then soldering to the pins | ||
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| * The w800 accepts AT commands over a 9600 baud serial. | * The w800 accepts AT commands over a 9600 baud serial. | ||
| * Although a USB cable can be used to connect this phone to the computer and harness the serial, connecting the phone to a microprocessor' | * Although a USB cable can be used to connect this phone to the computer and harness the serial, connecting the phone to a microprocessor' | ||
| - | * the T86i has 2.8v 9600 baud serial broken out - This is the easiest solution, as the UART is physically exposed. [[http:// | + | * the T86i has 2.8v 9600 baud serial broken out - This is the easiest solution, as the UART is physically exposed. [[http:// |
| ==== Telit GM862 ==== | ==== Telit GM862 ==== | ||
guides/gsm_modules.1244843864.txt.gz · Last modified: 2009/06/12 21:57 by danielrichman