forked from M-Labs/kirdy
Update Kirdy Driver Example Code
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from driver.kirdy_async import Kirdy
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from pprint import pp
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from driver.kirdy_async import Kirdy, FilterConfig
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import asyncio
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import signal
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"""
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Enter Device Firmware Upgrade(Dfu) mode
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Please see README.md for flash instructions.
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"""
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async def enter_dfu_mode(kirdy: Kirdy):
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print(await kirdy.device.dfu())
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await kirdy.end_session()
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exit()
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"""
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Configure Kirdy to actively report status
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Press Ctrl + C to exit active report mode
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"""
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async def active_report(kirdy: Kirdy):
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class SignalHandler:
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def __init__(self):
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signal.signal(signal.SIGINT, self.exit_gracefully)
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signal.signal(signal.SIGTERM, self.exit_gracefully)
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def exit_gracefully(self, signum, frame):
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kirdy.stop_report_mode()
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signal_handler = SignalHandler()
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async for data in kirdy.report_mode():
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pp(data)
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"""
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Configure Kirdy network and board specific transconductance settings.
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These configs are saved to flash immediately after command is processed.
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"""
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async def device_cfg(kirdy: Kirdy):
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# Kirdy rev0_3's gain and transconductance varies between boards to maximize the
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# PD current range resolution.
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await kirdy.device.set_pd_mon_fin_gain(1.0)
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await kirdy.device.set_pd_mon_transconductance(1/1000.0)
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# Network Settings will be updated on next reboot.
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await kirdy.device.set_ip_settings(
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addr="192.168.1.128",
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port=1337,
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prefix_len=24,
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gateway="192.168.1.1"
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)
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# Hard reset Kirdy.
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await kirdy.device.hard_reset()
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await kirdy.end_session()
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exit()
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"""
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Control and config laser diode and thermostat parameters.
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"""
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async def ld_thermostat_cfg(kirdy: Kirdy):
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# Load the laser diode and thermostat settings from flash
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await kirdy.device.restore_settings_from_flash()
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# Power off the laser diode and thermostat and clear alarm (if any)
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await kirdy.laser.set_power_on(False)
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await kirdy.laser.clear_alarm()
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await kirdy.thermostat.set_power_on(False)
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await kirdy.thermostat.clear_alarm()
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# Set the laser diode terminals not to be shorted
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await kirdy.laser.set_ld_terms_short(False)
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# Do not power up the laser & thermostat during initial startup
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await kirdy.laser.set_default_pwr_on(False)
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await kirdy.thermostat.set_default_pwr_on(False)
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# The laser diode output current range is bounded by this software limit setting
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await kirdy.laser.set_i(0)
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await kirdy.laser.set_i_soft_limit(30.0 / 1000)
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# Configure the laser diode output power limit and photodiode parameters
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# Exceeding the measured power limit triggers overpower protection alarm.
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# The laser diode power will be turned off while the thermostat power remains unchanged.
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await kirdy.laser.set_ld_pwr_limit(0.0)
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await kirdy.laser.set_pd_mon_dark_current(0.0)
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await kirdy.laser.set_pd_mon_responsitivity(0.0)
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# Configure the thermostat NTC thermistor parameters.
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await kirdy.thermostat.set_sh_r0(10.0 * 1000)
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await kirdy.thermostat.set_sh_t0(25)
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await kirdy.thermostat.set_sh_beta(3900)
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# Configure the thermostat output limits.
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# The actual output current is limited by the hardware limit set below.
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await kirdy.thermostat.set_tec_max_cooling_i(1.0)
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await kirdy.thermostat.set_tec_max_heating_i(1.0)
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await kirdy.thermostat.set_tec_max_v(4.0)
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# Configure the thermostat temperature monitor limit.
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# Exceeding the limit will trigger over temperature protection alarm.
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# The laser diode and thermostat power will be turned off.
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await kirdy.thermostat.set_temp_mon_upper_limit(70)
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await kirdy.thermostat.set_temp_mon_lower_limit(0)
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# Configure the thermostat PID related parameter.
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# You can configure the PID parameter with the autotune tool.
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# Here provides an example if it is configured manually.
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await kirdy.thermostat.set_temperature_setpoint(25)
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await kirdy.thermostat.set_pid_kp(0.15668282198105507)
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await kirdy.thermostat.set_pid_ki(0.002135962407793784)
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await kirdy.thermostat.set_pid_kd(0.829254515277143)
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await kirdy.thermostat.set_pid_output_max(1.0)
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await kirdy.thermostat.set_pid_output_min(-1.0)
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# Configure the thermostat ADC Filter Setting / PID Update Rate / Report Rate.
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# The ADC sampling rate determines the report and pid update rate.
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# The chosen filter and sampling rate affects the noise of the readings.
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# For details, please refer to the AD7172 datasheet.
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await kirdy.thermostat.config_temp_adc_filter(FilterConfig.Sinc5Sinc1With50hz60HzRejection.f16sps)
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# Configure thermostat to run in PID control mode
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await kirdy.thermostat.set_pid_control_mode()
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# When control mode is switched from PID to constant current(CC) control mode,
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# the thermostat keeps its instantaneous output current unchanged.
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# Thermostat output current should only be set if it is in CC control mode
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# or the value set will not be overwritten by PID output.
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await kirdy.thermostat.set_constant_current_control_mode()
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await kirdy.thermostat.set_tec_i_out(0.0)
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# Save the above settings configured into the flash
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await kirdy.device.save_current_settings_to_flash()
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# Power on the laser diode and thermostat
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await kirdy.laser.set_power_on(True)
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await kirdy.thermostat.set_power_on(True)
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pp(await kirdy.device.get_settings_summary())
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pp(await kirdy.device.get_status_report())
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async def main():
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kirdy = Kirdy()
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await kirdy.start_session(host='192.168.1.128', port=1337, timeout=0.25)
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await kirdy.device.set_active_report_mode(False)
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await kirdy.laser.set_power_on(False)
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await kirdy.laser.clear_alarm()
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await kirdy.laser.set_i(0)
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await kirdy.laser.set_i_soft_limit(0.25)
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await kirdy.laser.set_power_on(True)
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await kirdy.thermostat.set_power_on(False)
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await kirdy.thermostat.clear_alarm()
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await kirdy.thermostat.set_sh_r0(10.0*1000)
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await kirdy.thermostat.set_sh_t0(25)
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await kirdy.thermostat.set_sh_beta(3900)
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await kirdy.thermostat.set_temperature_setpoint(25)
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await kirdy.thermostat.set_temp_mon_upper_limit(40)
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await kirdy.thermostat.set_temp_mon_lower_limit(10)
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await kirdy.thermostat.set_pid_kp(0.15668282198105507)
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await kirdy.thermostat.set_pid_ki(0.002135962407793784)
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await kirdy.thermostat.set_pid_kd(0.829254515277143)
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await kirdy.thermostat.set_pid_output_max(1.0)
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await kirdy.thermostat.set_pid_output_min(-1.0)
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await kirdy.thermostat.config_temp_adc_filter("Sinc5Sinc1With50hz60HzRejection", "F16SPS")
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await kirdy.thermostat.set_power_on(True)
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await kirdy.thermostat.set_pid_control_mode()
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await kirdy.laser.set_default_pwr_on(False)
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await kirdy.thermostat.set_default_pwr_on(True)
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await kirdy.device.save_current_settings_to_flash()
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async for data in kirdy.report_mode():
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print(data)
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# await ld_thermostat_cfg(kirdy)
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# await active_report(kirdy)
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# await device_cfg(kirdy)
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await enter_dfu_mode(kirdy)
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await kirdy.end_session()
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