problems with timer1

[Andreas Klittich]

Hallo together,

I am beginning to work with PICs, therefore I have very easy questions to you.
PIC: 16C62A

I try to program timer1, but the timer1_isr is never starting.

First I init timer1:
tmr1l =0x00;
tmr1h =0x00;
t1con = 0b00110000;

Then I enable the interrupts:
ENABLE_INTERRUPTS (GLOBAL);
ENABLE_INTERRUPTS (INT_TIMER1);

Perhaps you can help, and tell me what is missing/wrong.
Thanks in advance.

Andreas
___________________________
This message was ported from CCS's old forum
Original Post ID: 241

[PCM programmer]

:=I am beginning to work with PICs, therefore I have very easy questions to you.
:=PIC: 16C62A
:=I try to program timer1, but the timer1_isr is never starting.
:=First I init timer1:
:= tmr1l =0x00;
:= tmr1h =0x00;
:= t1con = 0b00110000;
:=
:=Then I enable the interrupts:
:= ENABLE_INTERRUPTS (GLOBAL);
:= ENABLE_INTERRUPTS (INT_TIMER1);
-------------------------------------------------------------

You are writing code as if you have Hi-Tech C, where
PIC peripherals have to be handled by low-level code.

But with CCS, you have high-level C functions to handle
these things. For example, CCS has these functions:

setup_timer_1(mode);
set_timer1(value);

These are describe in the manual, and if you look
in the folder for \PICC\Examples, you will see these
files, which show how to do it:
EX_FREQC.C
EX_PATG.C
EX_SPEED.C
___________________________
This message was ported from CCS's old forum
Original Post ID: 242

[Gabriel Caffese]

PCM Programmer,
I haven´t got the Freqc and the Speed examples. Where can I download them from ? (cause can not do it from the CCS web site.)

Gabriel.-

:=:=I am beginning to work with PICs, therefore I have very easy questions to you.
:=:=PIC: 16C62A
:=:=I try to program timer1, but the timer1_isr is never starting.
:=:=First I init timer1:
:=:= tmr1l =0x00;
:=:= tmr1h =0x00;
:=:= t1con = 0b00110000;
:=:=
:=:=Then I enable the interrupts:
:=:= ENABLE_INTERRUPTS (GLOBAL);
:=:= ENABLE_INTERRUPTS (INT_TIMER1);
:=-------------------------------------------------------------
:=
:=You are writing code as if you have Hi-Tech C, where
:=PIC peripherals have to be handled by low-level code.
:=
:=But with CCS, you have high-level C functions to handle
:=these things. For example, CCS has these functions:
:=
:=setup_timer_1(mode);
:=set_timer1(value);
:=
:=These are describe in the manual, and if you look
:=in the folder for \PICC\Examples, you will see these
:=files, which show how to do it:
:=EX_FREQC.C
:=EX_PATG.C
:=EX_SPEED.C
:=
___________________________
This message was ported from CCS's old forum
Original Post ID: 5129