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45 Threads found on Ccs Pwm
Zip and post complete ccs C project files. Also post circuit.
Hi, Hello Everyone this forum has been instrumental in my design work on FPGA/8051 and now PIC. But Im stuck in a strange situation where iam required to read the status of External Interrupt and on every rising pulse I have to create a pwm of 50hz using Timer 0 to fire a thyristor. Let me explain the circuit a little bit Im reading th
I am trying to send a pwm signal on PortC5 (pwm1) using the latest ccs compiler(5.026). This is the manual method of sending a pwm and it doesn't seem to be working. I have followed the pwm Setup and generation on page 221 of PIC16f1503 datasheet. I just couldn't get it to work. Anyone have anyidea what (...)
This is to slow down the pwm ramp up. It is an unusual procedure. By the way, had you used PIC Wizard tool which come with ccs toolset to get the values that you configured for pwm registers ? +++
peace be upon you. can somebody please share any example of dspic30f4011 3 pwm code in ccs PICC compiler. i need fuse setting and initialization of pwm modules. suppose frequency is 10khz and 50% duty cycle on every channel . Thanks
hi, i made a project in high schooll like that. but i used ccs c compiler and pic18f4550, but as far as i remember. the frequency doesnt affect your rpm, it just gives an option for your switching devices such as h-bridge mosfets or transistors. you can set your frequency according to your h-bridge devices. the only thing that changes the rpm
Hello, How can I get inverted pwm in 16F73. I am using ccs C compiler for programming. Actually I need both inverted and non inverted outputs. So ideal solution for me is to have one module operating in normal mode and the second one in inverted mode.
pls explain me the following functions... // Mpwm Functions: setup_motor_pwm(), set_motor_unit(), // set_motor_pwm_duty(), set_motor_pwm_event(), // get_motor_pwm_count() // Mpwm Prototypes: _bif void setup_motor_pwm(unsigned int8 (...)
Why not read the compiler manual? Please consider that when passing a 16-bit variable, the expected maximum pulse width value is 4*period. This is essentially a PIC hardware thing and not particularly related to ccs C. The ccs specific point is to scale 8-bit and 16-bit variables differently in the built-in function. Writes the 10-bit val
You could simply set the appropriate registers, instead of utilizing routines such as setup_timer_2(). Or write your own library of routines which can be easily ported from one compiler to the next. Also, unlike mikroC, if I remember correctly, ccs provides the source code for its routines. Take a look in the directories for the source code file
i try to generate pwm signal using pic18F4431 how i would get requiered frequency ccs code pls? thanks
Hello All kind experts, I am a newbie for PIC24F series. :-(:-(:-( Does anyone can give me the sample code for the application as mentioned on thread subject? I want to have the pwm period about 10 kHz approximately. I planned to use the internal RC oscillator. Machine frequency is 8MHz. below is my starting code but the rest I need your help
To control the speed, pwm is the easy and efficient method. Here you can find a circuit and an example code for DC motor control with PIC16F877A, using pwm. While the program has been written for mikroC compiler, you should have no problem in "porting" it to ccs. From there: //----------------------
Successfully simulated the following code for normal pwm (ccp1) in Proteus. How ever I m interested to use the ECCP capability of Pic18f4520 and Tried all the configuration modes given in the ccs c manual, but could not get pulses at the out put pins(P1A,P1B,P1C,P1D). In PROTEUS i connected pic to oscilloscope directly (pulling up MC
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HI everyone, I am using PIC 16F887 and ccs-C compiler(version 4.093) plugin in MPLAB IDE ... i ve connected LCD to port D and it is working , i am using LCD.C driver to implement lcd functions in which LCD is configured as port i want to use pin 5 of port d for pwm(half bridge mode) which is already being used as LCD data do i
I am using ccs compiler. an example. //this is a little test pwm program to drive a DC fan. // the fan allready has some control circuit built into it. //I susspect it has PIC and MOSFET controlling it. //Some have been failing on site so I need to test it in the workshop. //The fan manufacturers specified the pwm should be 1Khz
how to generate the sinewave pwm using compare mode in ccp for ccs compiler.. please help me :-D You want to generate Spwm by comparing sinusoidal and triangular wave. But, triangular wave at frequency 1kHz is high that PIC speed can't generate using DAC
Hello Dear All, I have a unipolar 5V stepper motor and I want to drive it with a 16f877a. I have connected 2 pieces of tc4427 mosfet drivers and 4 pieces of IRF2807 to the pic and, as I see they are working properly. I supply 50V to the motor and I am trying to use microstepping techniques. Because the motor is 5V, pwm output of the pic neve