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Replace double with float, optimize calculation

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This commit is contained in:
etagle
2018-07-01 17:20:28 -03:00
committed by Scott Lahteine
parent d960d448fa
commit 1367df2875
38 changed files with 263 additions and 267 deletions
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6
Marlin/src/gcode/control/M3-M5.cpp
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@ -107,12 +107,12 @@ void GcodeSuite::M3_M4(bool is_M3) {
delay_for_power_down();
}
else {
int16_t ocr_val = (spindle_laser_power - (SPEED_POWER_INTERCEPT)) * (1.0 / (SPEED_POWER_SLOPE)); // convert RPM to PWM duty cycle
int16_t ocr_val = (spindle_laser_power - (SPEED_POWER_INTERCEPT)) * (1.0f / (SPEED_POWER_SLOPE)); // convert RPM to PWM duty cycle
NOMORE(ocr_val, 255); // limit to max the Atmel PWM will support
if (spindle_laser_power <= SPEED_POWER_MIN)
ocr_val = (SPEED_POWER_MIN - (SPEED_POWER_INTERCEPT)) * (1.0 / (SPEED_POWER_SLOPE)); // minimum setting
ocr_val = (SPEED_POWER_MIN - (SPEED_POWER_INTERCEPT)) * (1.0f / (SPEED_POWER_SLOPE)); // minimum setting
if (spindle_laser_power >= SPEED_POWER_MAX)
ocr_val = (SPEED_POWER_MAX - (SPEED_POWER_INTERCEPT)) * (1.0 / (SPEED_POWER_SLOPE)); // limit to max RPM
ocr_val = (SPEED_POWER_MAX - (SPEED_POWER_INTERCEPT)) * (1.0f / (SPEED_POWER_SLOPE)); // limit to max RPM
if (SPINDLE_LASER_PWM_INVERT) ocr_val = 255 - ocr_val;
WRITE(SPINDLE_LASER_ENABLE_PIN, SPINDLE_LASER_ENABLE_INVERT); // turn spindle on (active low)
analogWrite(SPINDLE_LASER_PWM_PIN, ocr_val & 0xFF); // only write low byte