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103 lines
3.6 KiB
YAML
103 lines
3.6 KiB
YAML
esphome:
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name: uart-mock-modbus-test
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host:
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api:
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logger:
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level: VERBOSE
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external_components:
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- source:
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type: local
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path: EXTERNAL_COMPONENT_PATH
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# Dummy uart entry to satisfy modbus's DEPENDENCIES = ["uart"]
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# The actual UART bus used is the uart_mock component below
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uart:
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baud_rate: 115200
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port: /dev/null
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uart_mock:
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- id: virtual_uart_dev
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baud_rate: 9600
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rx_full_threshold: 120
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rx_timeout: 2
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# auto_start must be false to avoid races: the test presses the
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# "Start Scenario" button only after subscribing to states.
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auto_start: false
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debug:
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responses:
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- expect_tx: [0x01, 0x03, 0x00, 0x03, 0x00, 0x01, 0x74, 0x0A] # Read holding register 3 on device 1 (basic_register)
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inject_rx: [0x01, 0x03, 0x02, 0x01, 0x03, 0xF9, 0xD5] # Return value 0x0103 (hex) = 259 (dec)
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- expect_tx: [0x01, 0x03, 0x00, 0x05, 0x00, 0x01, 0x94, 0x0B] # Read holding register 5 on device 1 (delayed_response)
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delay: 100ms # Shorter than modbus send_wait_time of 200ms, should succeed
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inject_rx: [0x01, 0x03, 0x02, 0x00, 0xFF, 0xF8, 0x04] # Return value 0x00FF (hex) = 255 (dec)
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- expect_tx: [0x02, 0x03, 0x00, 0x07, 0x00, 0x01, 0x35, 0xF8] # Read holding register 7 on device 2 (late_response)
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delay: 300ms # Longer than modbus send_wait_time of 200ms, should cause timeout
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inject_rx: [0x02, 0x03, 0x02, 0x00, 0xF0, 0xFC, 0x00] # Return value 0x00F0 (hex) = 240 (dec)
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- expect_tx: [0x03, 0x03, 0x00, 0x09, 0x00, 0x01, 0x55, 0xEA] # Read holding register 9 on device 3 (no_response)
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inject_rx: [] # No response, should cause timeout
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- expect_tx: [0x01, 0x03, 0x00, 0x0A, 0x00, 0x01, 0xA4, 0x08] # Read holding register A on device 1 (exception_response)
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inject_rx: [0x01, 0x83, 0x02, 0xC0, 0xF1] # Exception response with code 2 (illegal data address)
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modbus:
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uart_id: virtual_uart_dev
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send_wait_time: 200ms
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turnaround_time: 10ms
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modbus_controller:
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- address: 1
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id: modbus_controller_ok
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max_cmd_retries: 2
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# Update interval is set to never to prevent automatic polling: the test will trigger requests by pressing the "Start Scenario" button
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update_interval: never
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- address: 2
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id: modbus_controller_slow
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max_cmd_retries: 0
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update_interval: never
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- address: 3
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id: modbus_controller_offline
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max_cmd_retries: 0
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update_interval: never
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sensor:
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- platform: modbus_controller
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name: "basic_register"
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address: 0x03
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register_type: holding
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modbus_controller_id: modbus_controller_ok
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- platform: modbus_controller
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name: "delayed_response"
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address: 0x05
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register_type: holding
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modbus_controller_id: modbus_controller_ok
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- platform: modbus_controller
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name: "late_response"
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address: 0x07
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register_type: holding
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modbus_controller_id: modbus_controller_slow
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- platform: modbus_controller
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name: "no_response"
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address: 0x09
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register_type: holding
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modbus_controller_id: modbus_controller_offline
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- platform: modbus_controller
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name: "exception_response"
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address: 0x0A
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register_type: holding
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modbus_controller_id: modbus_controller_ok
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button:
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- platform: template
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name: "Start Scenario"
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id: start_scenario_btn
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on_press:
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- lambda: |-
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id(virtual_uart_dev).start_scenario();
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id(modbus_controller_ok).set_update_interval(1000);
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id(modbus_controller_ok).start_poller();
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id(modbus_controller_slow).set_update_interval(1000);
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id(modbus_controller_slow).start_poller();
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id(modbus_controller_offline).set_update_interval(1000);
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id(modbus_controller_offline).start_poller();
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