| ??? 09/18/03 13:33 Read: times |
#54913 - RE: Using P0 port as data/cmd lines for lcd? Responding to: ???'s previous message |
I did not understand above. Disabling the interrupts momentarily (Critical sections) is a normaly followed. I do not think it is a DISASTER.
Your post seems to indicate that you disable interrupts during a routine. While disabling the interrups during the execution of a few instructions is sometimes necessary, disabling the interrupts for a longer time is extremely hazardous. May be you do not like the mention of 82C55 ?. I have no problem, you have one. Erik |
| Topic | Author | Date |
| Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: correction | 01/01/70 00:00 | |
| RE: correction | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| RE: Using P0 port as data/cmd lines for lcd? | 01/01/70 00:00 | |
| Salam LCD + Code | 01/01/70 00:00 | |
RE: Salam LCD + Code | 01/01/70 00:00 |