Author |
Message |
Topic: CCP1 & CCP2 does not work together |
z3ngew
Replies: 1
Views: 4724
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Forum: General CCS C Discussion Posted: Sun Sep 15, 2013 1:16 am Subject: CCP1 & CCP2 does not work together |
Hello everyone,
I am trying to use both ccp1 and ccp2 in the compare mode, the isr of ccp1 is running but the isr of ccp2 only respond one time, i don't know what is the problem, but when i disable i ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Fri Sep 13, 2013 12:42 pm Subject: SOLVED:timer interrupt pwm resolution |
Hello again,
i am sorry i am reopening this thread, but if i want to drive digital servo, 300~400 Hz, how can i do that with the same concept, (after implementing the code inspired by your idea) ? I ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Sat Aug 10, 2013 12:14 pm Subject: SOLVED:timer interrupt pwm resolution |
Hi there RLScott ,
first thank you and the other members for helping me through this problem,
i have to say that there was a lot of things in pic microchip i didn't use before, but thanks to you an ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Sat Aug 10, 2013 7:42 am Subject: SOLVED:timer interrupt pwm resolution |
After following RLScott the code is working great and with no problems
here is the code, but it need some extra work to be finished:
#byte MCU_PORTB = 0xF81
#bit pwm_0 = MCU_PORTB.0
#bit pwm_1 = M ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Fri Aug 09, 2013 9:51 am Subject: SOLVED:timer interrupt pwm resolution |
i found a solution, it is dummy in a way, but it should do it.
if i do the following the code in an infinite loop
output_high(PIN_B0);
delay_us(a);
output_low ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Fri Aug 09, 2013 8:31 am Subject: SOLVED:timer interrupt pwm resolution |
I have a robotic arm 5 DOF with 4 servo motors and 1 stepper 1 dc motor 1FSR sensor.
- the robot arm and the control circuits have already been designed and performed, so i cannot use other pins(ha ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Fri Aug 09, 2013 6:34 am Subject: SOLVED:timer interrupt pwm resolution |
Hello again,
i want to get the maximum resolution of the rc _servo motor, 2000 step,
I used the following function:
crystal = 20Mhz, and no prescaler(divided by 1)
set_timer1(65531);
Th ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Thu Aug 08, 2013 6:03 am Subject: SOLVED:timer interrupt pwm resolution |
thanks for the feedback jay,
handle_read(); uses UART, but about step(2) will you explain it little more, what i have understood is that i should put (handle_read) in another event handler maybe of t ... |
Topic: SOLVED:timer interrupt pwm resolution |
z3ngew
Replies: 18
Views: 35668
|
Forum: General CCS C Discussion Posted: Wed Aug 07, 2013 7:41 pm Subject: SOLVED:timer interrupt pwm resolution |
Hello everyone,
I am designing a code to control 4 servo motor using timer interrupt pwm,
but there is a problem, in the main routine there is a communication protocol designed (handle_read()) this ... |
Topic: Portable Timer Functions |
z3ngew
Replies: 4
Views: 7792
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Forum: General CCS C Discussion Posted: Tue Aug 06, 2013 3:21 am Subject: Portable Timer Functions |
but the hardware pwm is not so useful when low frequencies is need (for example rc servo motor - 50hz)
Thanks,
z3ngew |
Topic: Portable Timer Functions |
z3ngew
Replies: 4
Views: 7792
|
Forum: General CCS C Discussion Posted: Tue Aug 06, 2013 2:37 am Subject: Portable Timer Functions |
Hello everyone,
I want take your opinion in something,
I want to design my own pwm library, but somehow i want all my libs to be generic.(it's a curse)
i guess the best method of pwm is using timer ... |
Topic: multiple compilation unit problem |
z3ngew
Replies: 2
Views: 5627
|
Forum: General CCS C Discussion Posted: Sat Aug 03, 2013 8:15 am Subject: multiple compilation unit problem |
what is (internal Error - contact ccs LABEL SCR = 752)? |
Topic: multiple compilation unit problem |
z3ngew
Replies: 2
Views: 5627
|
Forum: General CCS C Discussion Posted: Fri Aug 02, 2013 9:13 am Subject: multiple compilation unit problem |
Hello everyone,
I have a problem, some time ago i have succeeded to create a multiple compilation unit project, thanks to the members, but now i have a problem there is a function which i have writte ... |
Topic: header and source files linking |
z3ngew
Replies: 5
Views: 8982
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Forum: General CCS C Discussion Posted: Tue Jul 09, 2013 5:12 pm Subject: header and source files linking |
Many thanks my friends ,
Sincerely |
Topic: header and source files linking |
z3ngew
Replies: 5
Views: 8982
|
Forum: General CCS C Discussion Posted: Tue Jul 09, 2013 7:24 am Subject: header and source files linking |
you are correct, but please take a look at the following link:
http://web.cs.swarthmore.edu/~newhall/unixhelp/howto_C_libraries.html
Thanks in advance,
z3ngew |
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