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dmitrboristuk
Joined: 26 Sep 2020 Posts: 51
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How to use #use pwm() |
Posted: Thu Jun 24, 2021 1:32 am |
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How to use #use pwm() on devices with multiple independent PWMs ?
For example: is it possible to apply this directive for separate control of PWM1, PWM2, PWM3, PWM4 ? And if so, then how exactly to do it for BIF pwm_off() and pwm_on() ? |
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Ttelmah
Joined: 11 Mar 2010 Posts: 19358
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dmitrboristuk
Joined: 26 Sep 2020 Posts: 51
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Posted: Thu Jun 24, 2021 3:20 am |
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Code: |
#use delay ( clock = 16000000 )
#USE PWM(CCP1, OUTPUT=PIN_C1, TIMER=2, FREQUENCY=10kHz, DUTY=50, PWM_OFF, STREAM=1)
#USE PWM(PWM3, OUTPUT=PIN_C2, TIMER=4, FREQUENCY=5kHz, DUTY=25, PWM_OFF, STREAM=2)
#USE PWM(PWM4, OUTPUT=PIN_C3, TIMER=6, FREQUENCY=3.33kHz, DUTY=16.6, PWM_OFF, STREAM=3)
// for example
void main(void)
{
pwm_on (1);
pwm_on (2);
pwm_off (3);
delay_ms (20);
pwm_off (1);
pwm_off (2);
pwm_on (3);
while(TRUE)
{}
}
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is it right? |
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Ttelmah
Joined: 11 Mar 2010 Posts: 19358
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Posted: Thu Jun 24, 2021 3:55 am |
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Stream names, need to be unique names, not just numbers.
Without knowing what chip you are using, can't know if it supports
the pins and timers you are specifying. |
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