mirror of
https://github.com/naruxde/revpimodio2.git
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2eac69b7bd
Created topic-based documentation: - basics.rst: core concepts and fundamental usage - cyclic_programming.rst: PLC-style programming with Cycletools - event_programming.rst: event-driven patterns and callbacks - advanced.rst: gateway IOs, replace_io_file, watchdog management - installation.rst and quickstart.rst: getting started guides Added complete API reference in docs/api/: - All device classes including ModularBaseConnect_4_5 and GatewayMixin - I/O, helper, and main class documentation Enhanced Sphinx configuration with RTD theme and improved autodoc settings. Removed auto-generated modules.rst and revpimodio2.rst.
3.1 KiB
3.1 KiB
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Helper Classes
Helper classes for cyclic and event-driven programming.
System Message: ERROR/3 (<stdin>, line 7)
Unknown directive type "currentmodule".
.. currentmodule:: revpimodio2.helper
Cycletools
System Message: ERROR/3 (<stdin>, line 12)
Unknown directive type "autoclass".
.. autoclass:: Cycletools
:members:
:undoc-members:
:show-inheritance:
:special-members: __init__
Toolkit provided to cyclic functions via ``.cycleloop()``.
This class provides tools for cyclic functions including timing flags
and edge markers. Note that edge markers (flank flags) are all True
during the first cycle!
**Attributes:**
Reference to RevPiModIO core object
Reference to RevPiModIO device object
Reference to RevPiModIO io object
True only on first cycle
True when shutdown signal received
Current function execution time in seconds
Container for cycle-persistent variables
**Toggle Flags** - Alternate between True/False:
1 cycle True, 1 cycle False
2 cycles True, 2 cycles False
5 cycles True, 5 cycles False
10 cycles True, 10 cycles False
20 cycles True, 20 cycles False
**Flank Flags** - True every nth cycle:
True every 5 cycles
True every 10 cycles
True every 15 cycles
True every 20 cycles
**Example:**
.. code-block:: python
def main(ct: revpimodio2.Cycletools):
if ct.first:
# Initialize
ct.var.counter = 0
# Main logic
if ct.changed(ct.io.sensor):
ct.var.counter += 1
# Blink LED using timing flag
ct.io.led.value = ct.flag5c
if ct.last:
# Cleanup
print(f"Final: {ct.var.counter}")
Change Detection
Timer Functions
On-Delay Timers
Off-Delay Timers
Pulse Timers
EventCallback
System Message: ERROR/3 (<stdin>, line 136)
Unknown directive type "autoclass".
.. autoclass:: EventCallback
:members:
:undoc-members:
:show-inheritance:
:special-members: __init__
Thread for internal event function calls.
This class is passed to threaded event handlers registered with
``as_thread=True``. The event function receives this thread object
as a parameter to access event information and control execution.
**Attributes:**
Name of IO that triggered the event
Value of IO when event was triggered
Threading event for abort conditions
**Example:**
.. code-block:: python
def threaded_handler(eventcallback: revpimodio2.EventCallback):
print(f"{eventcallback.ioname} = {eventcallback.iovalue}")
# Interruptible wait (3 seconds)
if eventcallback.exit.wait(3):
print("Wait interrupted!")
return
# Check if stop was called
if eventcallback.exit.is_set():
return
# Register as threaded event
rpi.io.button.reg_event(threaded_handler, as_thread=True)
Methods
ProcimgWriter
System Message: ERROR/3 (<stdin>, line 188)
Unknown directive type "autoclass".
.. autoclass:: ProcimgWriter :members: :undoc-members: :show-inheritance: :special-members: __init__ Internal thread for process image writing and event management.