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61 lines
2.3 KiB
61 lines
2.3 KiB
What: /sys/bus/counter/devices/counterX/signalY/cable_fault |
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KernelVersion: 5.7 |
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Contact: [email protected] |
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Description: |
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Read-only attribute that indicates whether a differential |
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encoder cable fault (not connected or loose wires) is detected |
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for the respective channel of Signal Y. Valid attribute values |
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are boolean. Detection must first be enabled via the |
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corresponding cable_fault_enable attribute. |
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What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable |
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KernelVersion: 5.7 |
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Contact: [email protected] |
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Description: |
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Whether detection of differential encoder cable faults for the |
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respective channel of Signal Y is enabled. Valid attribute |
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values are boolean. |
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What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler |
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KernelVersion: 5.7 |
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Contact: [email protected] |
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Description: |
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Filter clock factor for input Signal Y. This prescaler value |
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affects the inputs of both quadrature pair signals. |
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What: /sys/bus/counter/devices/counterX/signalY/index_polarity |
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KernelVersion: 5.2 |
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Contact: [email protected] |
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Description: |
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Active level of index input Signal Y; irrelevant in |
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non-synchronous load mode. |
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What: /sys/bus/counter/devices/counterX/signalY/index_polarity_available |
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What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_available |
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KernelVersion: 5.2 |
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Contact: [email protected] |
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Description: |
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Discrete set of available values for the respective Signal Y |
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configuration are listed in this file. |
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What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode |
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KernelVersion: 5.2 |
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Contact: [email protected] |
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Description: |
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Configure the counter associated with Signal Y for |
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non-synchronous or synchronous load mode. Synchronous load mode |
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cannot be selected in non-quadrature (Pulse-Direction) clock |
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mode. |
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non-synchronous: |
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A logic low level is the active level at this index |
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input. The index function (as enabled via preset_enable) |
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is performed directly on the active level of the index |
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input. |
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synchronous: |
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Intended for interfacing with encoder Index output in |
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quadrature clock mode. The active level is configured |
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via index_polarity. The index function (as enabled via |
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preset_enable) is performed synchronously with the |
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quadrature clock on the active level of the index input.
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