| ??? 04/19/09 06:49 Read: times |
#164719 - Yes they are set - Why? Responding to: ???'s previous message |
Immediately before EA is enabled the SSTAT register is 0xE0
Meaning that the BR and FE flags have been not been set Immediately after EA is set the SSTAT register is 0xEC Meaning that the BR and FE flags have been set, I don't have STINT enabled as I wasn't concerned about these BR and FE flags, but of course that would indicate that something came in the serial port even if it was noise. Still what to do about it? Marshall |
| Topic | Author | Date |
| RI always set after EA Set | 01/01/70 00:00 | |
| I don't know, but... | 01/01/70 00:00 | |
| your application should be designed so as to be tolerant | 01/01/70 00:00 | |
| Check if the Rx pin is pulled low? | 01/01/70 00:00 | |
| Ports are set as: | 01/01/70 00:00 | |
| without looking at the datasheet, I can say it is wrong | 01/01/70 00:00 | |
| Why? | 01/01/70 00:00 | |
| I did not clean my glasses | 01/01/70 00:00 | |
| Config Registers | 01/01/70 00:00 | |
| Check the BR and FE bits in SSTAT. | 01/01/70 00:00 | |
| Yes they are set - Why? | 01/01/70 00:00 | |
| When do you start the BRG? | 01/01/70 00:00 | |
| BRG set as part of UART Init (before EA) | 01/01/70 00:00 | |
| I would... | 01/01/70 00:00 | |
Thanks - Done | 01/01/70 00:00 | |
| aren't the LPC9xx's pins... | 01/01/70 00:00 | |
| Yes but - it also happens in the real hardware | 01/01/70 00:00 | |
| the point of asking nonsense questions... | 01/01/70 00:00 | |
| Understood, appreciate being 2nd guessed | 01/01/70 00:00 | |
| The Teddy Bear Effect | 01/01/70 00:00 |