| ??? 12/15/06 17:14 Read: times |
#129559 - Initialization Responding to: ???'s previous message |
Look at the following diagram for initialization. You'll notice they send the #38h (function set) more than once.
Your program only sends #38h once. ACALL ZERO ; fill P1 and P3 with 0 ACALL TIMER_75MS ; wait 75 milliseconds MOV LCDdata,#38h ; set display on, two lines ACALL ENABLE ; send command to LCD ACALL TIMER_75MS ; wait again MOV LCDdata,#0Fh ; set display on, cursor on, blink on ACALL ENABLE ; enable command ACALL TIMER_1MS ; wait MOV LCDdata,#01h ; display clear ACALL ENABLE ; enable ACALL TIMER_30MS MOV LCDdata,06h ; entry mod set = increment mode ACALL ENABLE ACALL TIMER_30MS ; end of initialization SETB RS ; I set the bus for data, from now i ;can send DATA ACALL ENABLE ACALL TIMER_30MS MOV LCDdata,'a' ACALL ENABLE ACALL TIMER_30MS MOV LCDdata,'A' ACALL ENABLE LOOP: NOP AJMP LOOP END Jon |
| Topic | Author | Date |
| LCD+error | 01/01/70 00:00 | |
| sure, about what | 01/01/70 00:00 | |
| LCD+error | 01/01/70 00:00 | |
| Initialization | 01/01/70 00:00 | |
| Thank you | 01/01/70 00:00 | |
| Post all of your display code | 01/01/70 00:00 | |
| Oops... try this | 01/01/70 00:00 | |
| LCD+error | 01/01/70 00:00 | |
| usually it's the program, not the hardware | 01/01/70 00:00 | |
| 99% SOLVED | 01/01/70 00:00 | |
| Are you still... | 01/01/70 00:00 | |
| strange coding | 01/01/70 00:00 | |
| Sorry for mistake | 01/01/70 00:00 | |
fortunately happy end | 01/01/70 00:00 |