56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
import csv
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import time
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from hil_lib import SCD30_HIL_Lib
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# Device paths from your environment
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EMULATOR = '/dev/i2c_emulator'
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TARGET = '/dev/esp_sensor_test'
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LOG_FILE = 'hil_validation_results.csv'
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# Initialize HIL
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hil = SCD30_HIL_Lib(EMULATOR, TARGET)
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print(f"--- SCD30 HIL Test Started ---")
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print(f"Logging to: {LOG_FILE}")
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with open(LOG_FILE, mode='w', newline='') as f:
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writer = csv.writer(f)
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writer.writerow(["Timestamp", "Simulated_CO2", "Target_Received_Msg", "Status"])
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# Test cases: varying CO2 levels
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test_points = [400.0, 850.5, 1200.0, 2500.0, 5000.0]
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try:
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for co2 in test_points:
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print(f"\n[PHASE] Setting Simulated CO2 to {co2} ppm")
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# 1. Feed the bridge until the Target performs a successful Read
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# We loop briefly to wait for the Target's polling interval
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timeout = time.time() + 10
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data_served = False
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while time.time() < timeout:
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if hil.process_bridge(co2, 24.0, 50.0):
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data_served = True
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break
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if not data_served:
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print("Error: Target didn't request data within 10s.")
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continue
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# 2. Capture what the Target actually saw
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# Wait for Target to print the result to Serial
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time.sleep(0.5)
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target_msg = hil.get_target_reading()
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# 3. Simple Validation
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status = "PASS" if str(int(co2)) in target_msg else "CHECK"
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print(f"[RESULT] Target Output: {target_msg}")
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writer.writerow([time.strftime("%H:%M:%S"), co2, target_msg, status])
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f.flush()
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except KeyboardInterrupt:
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print("\nTest Aborted.")
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finally:
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hil.close()
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print("--- HIL Terminated ---") |