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guides:virtual_modem:section_4 [2022-12-17 19:37] omolini [Skip to other sections] |
guides:virtual_modem:section_4 [2023-11-24 23:16] (current) omolini |
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* If you see the READY text on the Raspberry Pi, the script is ready to accept connections. | * If you see the READY text on the Raspberry Pi, the script is ready to accept connections. | ||
- | * Now, open up a SERIAL terminal on the computer, and issue a few basic Hayes commands. First press ENTER a couple of times to sync up. Then type "AT" and then press ENTER. You should receive an "OK" response. | + | * Now, open up a SERIAL terminal, for example, PuTTY or HyperTerminal on the computer, and issue a few basic Hayes commands. |
+ | * **If you are using HyperTerminal as your serial terminal** | ||
+ | * When you start HyperTerminal, hit cancel when it asks for the phone number. This should take you directly to the serial console | ||
+ | * **If you are using PuTTY as your serial terminal** | ||
+ | * Under Connection type, select Serial. | ||
+ | * In Serial Line text box, type in COM1, COM2, or other COM port that you are using. | ||
+ | * Under Speed, select the connection speed that you are using, by default VModem is set to 57600, so you will match that speed. | ||
+ | * First press ENTER a couple of times to sync up. Then type "AT" and then press ENTER. You should receive an "OK" response. | ||
* If you receive a garbled or no response, the serial speed settings may be wrong. Make sure both computers are set to the same serial speed. | * If you receive a garbled or no response, the serial speed settings may be wrong. Make sure both computers are set to the same serial speed. | ||
* If you do not receive any response, something may be wrong with the serial settings, or with the connection to the Raspberry Pi. Does the computer have a fast 16550 UART and a good USB-to-Serial adapter? (check section 2 of this tutorial). | * If you do not receive any response, something may be wrong with the serial settings, or with the connection to the Raspberry Pi. Does the computer have a fast 16550 UART and a good USB-to-Serial adapter? (check section 2 of this tutorial). |