Update Kirdy Driver Example Code

pykirdy/asyncio_exmaple.py

@@ -1,45 +1,148 @@
-from driver.kirdy_async import Kirdy
+from pprint import pp
+from driver.kirdy_async import Kirdy, FilterConfig
 import asyncio
+import signal
 
-async def main():
+"""
-    kirdy = Kirdy()
+    Enter Device Firmware Upgrade(Dfu) mode
-    await kirdy.start_session(host='192.168.1.128', port=1337, timeout=0.25)
+    Please see README.md for flash instructions.
-    await kirdy.device.set_active_report_mode(False)
+"""
+async def enter_dfu_mode(kirdy: Kirdy):
+    print(await kirdy.device.dfu())
+    await kirdy.end_session()
+    exit()
 
+"""
+    Configure Kirdy to actively report status
+    Press Ctrl + C to exit active report mode
+"""
+async def active_report(kirdy: Kirdy):
+    class SignalHandler:
+        def __init__(self):
+            signal.signal(signal.SIGINT, self.exit_gracefully)
+            signal.signal(signal.SIGTERM, self.exit_gracefully)
+        def exit_gracefully(self, signum, frame):
+            kirdy.stop_report_mode()
+
+    signal_handler = SignalHandler()
+
+    async for data in kirdy.report_mode():
+        pp(data)
+
+"""
+    Configure Kirdy network and board specific transconductance settings.
+    These configs are saved to flash immediately after command is processed. 
+"""
+async def device_cfg(kirdy: Kirdy):
+    # Kirdy rev0_3's gain and transconductance varies between boards to maximize the
+    # PD current range resolution.
+    await kirdy.device.set_pd_mon_fin_gain(1.0)
+    await kirdy.device.set_pd_mon_transconductance(1/1000.0)
+
+    # Network Settings will be updated on next reboot.
+    await kirdy.device.set_ip_settings(
+        addr="192.168.1.128",
+        port=1337,
+        prefix_len=24,
+        gateway="192.168.1.1"
+    )
+    # Hard reset Kirdy.
+    await kirdy.device.hard_reset()
+    await kirdy.end_session()
+    exit()
+
+"""
+    Control and config laser diode and thermostat parameters.
+"""
+async def ld_thermostat_cfg(kirdy: Kirdy):
+    # Load the laser diode and thermostat settings from flash
+    await kirdy.device.restore_settings_from_flash()
+
+    # Power off the laser diode and thermostat and clear alarm (if any)
     await kirdy.laser.set_power_on(False)
     await kirdy.laser.clear_alarm()
-    await kirdy.laser.set_i(0)
-    await kirdy.laser.set_i_soft_limit(0.25)
-    await kirdy.laser.set_power_on(True)
-
     await kirdy.thermostat.set_power_on(False)
     await kirdy.thermostat.clear_alarm()
 
+    # Set the laser diode terminals not to be shorted
+    await kirdy.laser.set_ld_terms_short(False)
+
+    # Do not power up the laser & thermostat during initial startup
+    await kirdy.laser.set_default_pwr_on(False)
+    await kirdy.thermostat.set_default_pwr_on(False)
+
+    # The laser diode output current range is bounded by this software limit setting
+    await kirdy.laser.set_i(0)
+    await kirdy.laser.set_i_soft_limit(30.0 / 1000)
+
+    # Configure the laser diode output power limit and photodiode parameters
+    # Exceeding the measured power limit triggers overpower protection alarm.
+    # The laser diode power will be turned off while the thermostat power remains unchanged.
+    await kirdy.laser.set_ld_pwr_limit(0.0)
+    await kirdy.laser.set_pd_mon_dark_current(0.0)
+    await kirdy.laser.set_pd_mon_responsitivity(0.0)
+
+    # Configure the thermostat NTC thermistor parameters.
     await kirdy.thermostat.set_sh_r0(10.0 * 1000)
     await kirdy.thermostat.set_sh_t0(25)
     await kirdy.thermostat.set_sh_beta(3900)
 
-    await kirdy.thermostat.set_temperature_setpoint(25)
+    # Configure the thermostat output limits.
-    await kirdy.thermostat.set_temp_mon_upper_limit(40)
+    # The actual output current is limited by the hardware limit set below. 
-    await kirdy.thermostat.set_temp_mon_lower_limit(10)
+    await kirdy.thermostat.set_tec_max_cooling_i(1.0)
+    await kirdy.thermostat.set_tec_max_heating_i(1.0)
+    await kirdy.thermostat.set_tec_max_v(4.0)
 
+    # Configure the thermostat temperature monitor limit.
+    # Exceeding the limit will trigger over temperature protection alarm.
+    # The laser diode and thermostat power will be turned off.
+    await kirdy.thermostat.set_temp_mon_upper_limit(70)
+    await kirdy.thermostat.set_temp_mon_lower_limit(0)
+
+    # Configure the thermostat PID related parameter.
+    # You can configure the PID parameter with the autotune tool.
+    # Here provides an example if it is configured manually.
+    await kirdy.thermostat.set_temperature_setpoint(25)
     await kirdy.thermostat.set_pid_kp(0.15668282198105507)
     await kirdy.thermostat.set_pid_ki(0.002135962407793784)
     await kirdy.thermostat.set_pid_kd(0.829254515277143)
-
     await kirdy.thermostat.set_pid_output_max(1.0)
     await kirdy.thermostat.set_pid_output_min(-1.0)
 
-    await kirdy.thermostat.config_temp_adc_filter("Sinc5Sinc1With50hz60HzRejection", "F16SPS")
+    # Configure the thermostat ADC Filter Setting / PID Update Rate / Report Rate.
-    await kirdy.thermostat.set_power_on(True)
+    # The ADC sampling rate determines the report and pid update rate.
+    # The chosen filter and sampling rate affects the noise of the readings.
+    # For details, please refer to the AD7172 datasheet.
+    await kirdy.thermostat.config_temp_adc_filter(FilterConfig.Sinc5Sinc1With50hz60HzRejection.f16sps)
+
+    # Configure thermostat to run in PID control mode
     await kirdy.thermostat.set_pid_control_mode()
     
-    await kirdy.laser.set_default_pwr_on(False)
+    # When control mode is switched from PID to constant current(CC) control mode,
-    await kirdy.thermostat.set_default_pwr_on(True)
+    # the thermostat keeps its instantaneous output current unchanged.
+    # Thermostat output current should only be set if it is in CC control mode
+    # or the value set will not be overwritten by PID output. 
+    await kirdy.thermostat.set_constant_current_control_mode()
+    await kirdy.thermostat.set_tec_i_out(0.0)
+
+    # Save the above settings configured into the flash
     await kirdy.device.save_current_settings_to_flash()
 
-    async for data in kirdy.report_mode():
+    # Power on the laser diode and thermostat
-        print(data)
+    await kirdy.laser.set_power_on(True)
+    await kirdy.thermostat.set_power_on(True)
+
+    pp(await kirdy.device.get_settings_summary())
+    pp(await kirdy.device.get_status_report())
+
+async def main():
+    kirdy = Kirdy()
+    await kirdy.start_session(host='192.168.1.128', port=1337, timeout=0.25)
+
+    # await ld_thermostat_cfg(kirdy)
+    # await active_report(kirdy)
+    # await device_cfg(kirdy)
+    await enter_dfu_mode(kirdy)
 
     await kirdy.end_session()