sravan/Marlin-Firmware
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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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14
Marlin/src/module/temperature.cpp
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@ -393,13 +393,13 @@ uint8_t Temperature::soft_pwm_amount[HOTENDS];
SERIAL_PROTOCOLPAIR(MSG_T_MIN, min);
SERIAL_PROTOCOLPAIR(MSG_T_MAX, max);
if (cycles > 2) {
Ku = (4.0 * d) / (M_PI * (max - min) * 0.5);
Tu = ((float)(t_low + t_high) * 0.001);
Ku = (4.0f * d) / (float(M_PI) * (max - min) * 0.5f);
Tu = ((float)(t_low + t_high) * 0.001f);
SERIAL_PROTOCOLPAIR(MSG_KU, Ku);
SERIAL_PROTOCOLPAIR(MSG_TU, Tu);
workKp = 0.6 * Ku;
workKp = 0.6f * Ku;
workKi = 2 * workKp / Tu;
workKd = workKp * Tu * 0.125;
workKd = workKp * Tu * 0.125f;
SERIAL_PROTOCOLLNPGM("\n" MSG_CLASSIC_PID);
SERIAL_PROTOCOLPAIR(MSG_KP, workKp);
SERIAL_PROTOCOLPAIR(MSG_KI, workKi);
@ -644,7 +644,7 @@ float Temperature::get_pid_output(const int8_t e) {
#if ENABLED(PIDTEMP)
#if DISABLED(PID_OPENLOOP)
pid_error[HOTEND_INDEX] = target_temperature[HOTEND_INDEX] - current_temperature[HOTEND_INDEX];
dTerm[HOTEND_INDEX] = PID_K2 * PID_PARAM(Kd, HOTEND_INDEX) * (current_temperature[HOTEND_INDEX] - temp_dState[HOTEND_INDEX]) + PID_K1 * dTerm[HOTEND_INDEX];
dTerm[HOTEND_INDEX] = PID_K2 * PID_PARAM(Kd, HOTEND_INDEX) * (current_temperature[HOTEND_INDEX] - temp_dState[HOTEND_INDEX]) + float(PID_K1) * dTerm[HOTEND_INDEX];
temp_dState[HOTEND_INDEX] = current_temperature[HOTEND_INDEX];
#if HEATER_IDLE_HANDLER
if (heater_idle_timeout_exceeded[HOTEND_INDEX]) {
@ -1098,7 +1098,7 @@ void Temperature::updateTemperaturesFromRawValues() {
// Convert raw Filament Width to millimeters
float Temperature::analog2widthFil() {
return current_raw_filwidth * 5.0 * (1.0 / 16383.0);
return current_raw_filwidth * 5.0f * (1.0f / 16383.0f);
}
/**
@ -1111,7 +1111,7 @@ void Temperature::updateTemperaturesFromRawValues() {
*/
int8_t Temperature::widthFil_to_size_ratio() {
if (ABS(filament_width_nominal - filament_width_meas) <= FILWIDTH_ERROR_MARGIN)
return int(100.0 * filament_width_nominal / filament_width_meas) - 100;
return int(100.0f * filament_width_nominal / filament_width_meas) - 100;
return 0;
}