[RC232] "Is it possible to setup a maximum length for received packages in RC232? I am aware of TX packages can be configured to have a maximum package length. By being able to configure the maximum length of received packages, I can have a smaller rx buffer size to store it in while processing it. "

It is only the TX Packet length that is configurable, but as long as you have control of the Packet length of the transmitter you will indirectly also have control of the RX buffer size.

Last Update: September 14, 2017

September 14, 2017 1536 RC232 Q&A

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[RC232] How can I send a pulse from the module?
[RC232] “I have problem to wake up RS1240 from sleep mode, in fact I can’t wake it up at all. According to documentation, config pin should be asserted when going to sleep mode, and then positive edge should wake ip module This is code I use: Config Portd.3 = Output : Modem_config Alias Portd.3 Modem_config = 1 ‘ ———— PUT MODEM IN SLEEP MODE Modem_config = 0 ‘ Assert Config pin Waitms 5 ‘ MAX Time from CONFIG pin is set low until prompt (“”>””) Print “”Z””; ‘ Goto SLEEP mode . . . Sub Send_packet Modem_config = 1 ‘ Wake up form SLEEP mode Waitms 60 ‘ Wait 60 ms to get out from sleep mode Print “”X””; ‘ Goto idle mode Led_tx = 1 Printbin Paket_start Printbin Data_packet Led_tx = 0 Modem_config = 0 ‘ Assert Config PIN Waitms 5 ‘ MAX Time from CONFIG pin is set low until prompt (“”>””) Print “”Z””; ‘ SLEEP mode End Sub But, module stuck in sleep mode, and dont send enything. When I comment all lines regarding sleep mode, module work fine. Where I’m wrong? I should deliver device this week, and this is only problem I have to resolve. “
[RC232] Maybe you have some documents or test reports about the influence of the data rate to the range in the same system?