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esphome/tests/integration/fixtures/uart_mock_modbus_server.yaml
2026-04-28 10:21:25 -05:00

125 lines
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esphome:
name: uart-mock-modbus-server-test
host:
api:
logger:
level: VERBOSE
external_components:
- source:
type: local
path: EXTERNAL_COMPONENT_PATH
# Dummy uart entry to satisfy modbus's DEPENDENCIES = ["uart"]
# The actual UART bus used is the uart_mock component below
uart:
baud_rate: 115200
port: /dev/null
uart_mock:
- id: virtual_uart_dev
baud_rate: 9600
rx_full_threshold: 120
rx_timeout: 2
auto_start: false
debug:
injections:
- delay: 100ms
inject_rx: [0x01, 0x03, 0x00, 0x03, 0x00, 0x01, 0x74, 0x0A] # Read holding register 3 on device 1 (basic_read)
- delay: 100ms
# Read holding register 7 on device 2
# Reply from device 2
# Read holding register 5 on device 1 (read_after_peer_response)
inject_rx:
[
0x02,
0x03,
0x00,
0x07,
0x00,
0x01,
0x35,
0xF8,
0x02,
0x03,
0x02,
0x00,
0xF0,
0xFC,
0x00,
0x01,
0x03,
0x00,
0x05,
0x00,
0x01,
0x94,
0x0B,
]
- delay: 100ms
inject_rx: [0x02, 0x03, 0x00, 0x07, 0x00, 0x01, 0x35, 0xF8] # Read holding register 7 on device 2, with no response
- delay: 100ms
# Read holding register 7 on device 2, with no response
# Read holding register A on device 1 (read_after_peer_timeout)
inject_rx:
[
0x02,
0x03,
0x00,
0x07,
0x00,
0x01,
0x35,
0xF8,
0x01,
0x03,
0x00,
0x0A,
0x00,
0x01,
0xA4,
0x08,
]
modbus:
uart_id: virtual_uart_dev
role: server
modbus_server:
- address: 1
registers:
- address: 0x03
value_type: U_WORD
read_lambda: |-
id(basic_read).publish_state(1);
return 1;
- address: 0x05
value_type: U_WORD
read_lambda: |-
id(read_after_peer_response).publish_state(1);
return 1;
- address: 0x0A
value_type: U_WORD
read_lambda: |-
id(read_after_peer_timeout).publish_state(1);
return 1;
sensor:
- platform: template
name: "basic_read"
id: basic_read
- platform: template
name: "read_after_peer_response"
id: read_after_peer_response
- platform: template
name: "read_after_peer_timeout"
id: read_after_peer_timeout
button:
- platform: template
name: "Start Scenario"
id: start_scenario_btn
on_press:
- lambda: "id(virtual_uart_dev).start_scenario();"