| ??? 04/01/08 11:48 Read: times |
#152825 - I am not sure. Responding to: ???'s previous message |
Eric Leung said:
Thx Wlcm. Eric Leung said:
The program should sends a message to a specific mobile when the button(P2.0) is pressed. OK, that's for your expectations. And what is the reality? Eric Leung said:
I said:
"Are you sure you want to send the PDU data as ascii characters? " Do you mean I should send the PDU data as Hex? No. I mean, I don't know. Tell me what's the proper way to do it and why do you think so. Eric Leung said:
MOV R5, 128 I add this code becoz some website suggest sending 55H 128times to initiate the modem No. This line reads content of direct address 128 (which is IIRC PORT0) into R5. You must use '#' to mark a literal (constant, "immediate"). JW |
| Topic | Author | Date |
| interfacing 6210 and AT89S52 | 01/01/70 00:00 | |
| what is the expected behaviour... | 01/01/70 00:00 | |
| Re: what is the expected behaviour... | 01/01/70 00:00 | |
| I am not sure. | 01/01/70 00:00 | |
| Names? Delays? | 01/01/70 00:00 | |
| Re: delay | 01/01/70 00:00 | |
| Maybe try ... | 01/01/70 00:00 | |
| connected to computer | 01/01/70 00:00 | |
problem solved | 01/01/70 00:00 |