| ??? 04/04/05 06:24 Read: times |
#90932 - Cable? Speed? Responding to: ???'s previous message |
Pradeep Kumar said:
I am able to communicate betwee two PCs as well as between two microcontrollers using three wires.(Rx,Tx & Gnd). But unable to communicate between microcontroller and Pc. 1. Are you sure you have the correct cable? Between 2 PCs, you will need a crossover cable between them; If the 2 microcrontrollers have the same pinout as each other, you will need a crossover cable between them; But if the microcontrollers & PC have different pinout (pins 2 & 3 reversed), you will need a "straight-through" cable! 2. Maybe your serial interface code is just too slow to keep up with a PC? Is it polled, or interrupt-driven? How are you testing PC-to-micro? Can you get any communication at all between PC & micro? eg, can the PC received from micro, but not micro from PC? |
| Topic | Author | Date |
| Comm. Between 8052 & PC | 01/01/70 00:00 | |
| Whats the baud rate? Is it PC compatible | 01/01/70 00:00 | |
| Baud rate error | 01/01/70 00:00 | |
| baud rate tolerances | 01/01/70 00:00 | |
| some thoughts | 01/01/70 00:00 | |
| Baud rate errors | 01/01/70 00:00 | |
| baud rate errors/2 | 01/01/70 00:00 | |
| How about this? | 01/01/70 00:00 | |
| Serial Timing | 01/01/70 00:00 | |
| additional error | 01/01/70 00:00 | |
| plausible | 01/01/70 00:00 | |
| Oops! | 01/01/70 00:00 | |
| Cable? Speed? | 01/01/70 00:00 | |
| More on cables | 01/01/70 00:00 | |
Check cable pins | 01/01/70 00:00 | |
| PC Software? | 01/01/70 00:00 | |
| Really? | 01/01/70 00:00 | |
| Line termination: Some - not most | 01/01/70 00:00 | |
| Line termination | 01/01/70 00:00 | |
| GetLine ?! | 01/01/70 00:00 | |
| Exactly | 01/01/70 00:00 | |
| VB6 | 01/01/70 00:00 | |
| Some How!! | 01/01/70 00:00 | |
| another option | 01/01/70 00:00 | |
| Unspecific English | 01/01/70 00:00 | |
| Platform-Specific Line Termination | 01/01/70 00:00 | |
| Extra Line | 01/01/70 00:00 | |
| Lines, Platforms, and dead-end threads | 01/01/70 00:00 |