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Refactor PWM rate and make it configurable only for brushed protocols

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This commit is contained in:
Pawel Spychalski (DzikuVx) 2022-06-07 13:04:01 +02:00
parent 3914c4f02e
commit 283ebd22c7
7 changed files with 43 additions and 44 deletions
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34
src/main/fc/config.c
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@ -237,40 +237,8 @@ void validateAndFixConfig(void)
}
#endif
#ifdef BRUSHED_MOTORS
motorConfigMutable()->motorPwmRate = constrain(motorConfig()->motorPwmRate, 500, 32000);
#else
switch (motorConfig()->motorPwmProtocol) {
default:
case PWM_TYPE_STANDARD: // Limited to 490 Hz
motorConfigMutable()->motorPwmRate = MIN(motorConfig()->motorPwmRate, 490);
break;
case PWM_TYPE_ONESHOT125: // Limited to 3900 Hz
motorConfigMutable()->motorPwmRate = MIN(motorConfig()->motorPwmRate, 3900);
break;
case PWM_TYPE_MULTISHOT: // 2-16 kHz
motorConfigMutable()->motorPwmRate = constrain(motorConfig()->motorPwmRate, 2000, 16000);
break;
case PWM_TYPE_BRUSHED: // 500Hz - 32kHz
motorConfigMutable()->motorPwmRate = constrain(motorConfig()->motorPwmRate, 500, 32000);
break;
#ifdef USE_DSHOT
// One DSHOT packet takes 16 bits x 19 ticks + 2uS = 304 timer ticks + 2uS
case PWM_TYPE_DSHOT150:
motorConfigMutable()->motorPwmRate = MIN(motorConfig()->motorPwmRate, 4000);
break;
case PWM_TYPE_DSHOT300:
motorConfigMutable()->motorPwmRate = MIN(motorConfig()->motorPwmRate, 8000);
break;
// Although DSHOT 600+ support >16kHz update rate it's not practical because of increased CPU load
// It's more reasonable to use slower-speed DSHOT at higher rate for better reliability
case PWM_TYPE_DSHOT600:
motorConfigMutable()->motorPwmRate = MIN(motorConfig()->motorPwmRate, 16000);
break;
#endif
}
#endif
// Call target-specific validation function
validateAndFixTargetConfig();