pyfastservo adc: Fix find edge bug
- Fix: if frame changed at 31 tap delay, edge would not get detected
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@ -87,21 +87,18 @@ def perform_bitslip():
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def find_edge():
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prev_frame = read_frame()
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transition = False
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for tap_delay in range(32):
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write_to_memory(ADC_DELAY_ADDR, tap_delay)
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current_frame = read_frame()
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print(f"Tap delay: {tap_delay}, Current frame: 0x{current_frame:02x}")
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print(f"prev_frame: 0x{prev_frame:02x}")
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if current_frame != prev_frame:
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if not transition:
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transition = True
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else:
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final_delay = (tap_delay // 2) + 2
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print(f"Edge detected; setting iDelay to: {final_delay}")
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write_to_memory(ADC_DELAY_ADDR, final_delay)
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return
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final_delay = ((tap_delay+1) // 2) + 2
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print(f"Edge detected; setting iDelay to: {final_delay}")
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write_to_memory(ADC_DELAY_ADDR, final_delay)
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return
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prev_frame = current_frame
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