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#271 Problem with PWM BAL mode and low clock settings removed

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mstroh76
2024-08-31 20:15:42 +02:00
parent 856aef80d6
commit 6c57a7dcbf
1 changed files with 5 additions and 4 deletions
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9
wiringPi/test/wiringpi_test8_pwm.c
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@@ -120,7 +120,7 @@ int main (void) {
pwmr = 256;
pwm = 171;
duty_fact = (double)pwm/(double)pwmr;
printf("\n==> set mode MS, pwmc=%d, pwmr=%d, pwm%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
printf("\n==> set mode MS, pwmc=%d, pwmr=%d, pwm=%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
pwmSetClock(pwmc);
pwmSetRange(pwmr);
pwmWrite(PWM, pwm);
@@ -138,7 +138,7 @@ int main (void) {
pwmr = 2048;
pwm = 768;
duty_fact = (double)pwm/(double)pwmr;
printf("\n==> set mode PWM_BAL_OUTPUT, pwmc=%d, pwmr=%d, pwm%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
printf("\n==> set mode PWM_BAL_OUTPUT, pwmc=%d, pwmr=%d, pwm=%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
pwmSetRange(pwmr);
pwmSetClock(pwmc);
pwmWrite(PWM, pwm);
@@ -154,11 +154,12 @@ int main (void) {
MeasureAndCheckFreq("PMW off", 0.0);
printf("Set pwm settings and enable PWM\n");
pwmc = 5;
//pwmc = 5; //Problem with Pi0/1 after setting, PWM stops working, maybe IRQ problem or PWM BAL with that high freq (>2 MHz)
pwmc = 35; //PWM BAL would be >400 kHz
pwmr = 1024;
pwm = 768;
duty_fact = (double)pwm/(double)pwmr;
printf("\n==> set mode PWM_MS_OUTPUT, pwmc=%d, pwmr=%d, pwm%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
printf("\n==> set mode PWM_MS_OUTPUT, pwmc=%d, pwmr=%d, pwm=%d, duty=%g%%\n", pwmc, pwmr, pwm, duty_fact*100);
pwmSetRange(pwmr);
pwmSetClock(pwmc);
pwmWrite(PWM, pwm);