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esphome/tests/integration/fixtures/uart_mock_modbus_mesh.yaml
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esphome:
name: uart-mock-modbus-mesh
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
# Shared 3-bus mesh (see the shared_yaml markers): addr 1 = typed read-only
# registers, addr 5 = the read/write 0x17 target, addr 2/3 on the second
# server hub. auto_start everywhere: the controller polls at boot, so the
# forwarding must already be live or early requests generate warnings.
# Every test presses Start Scenario, so all merged actions fire in every test.
uart_mock:
- id: virtual_uart_server
baud_rate: 9600
auto_start: true
debug:
on_tx:
- then:
- uart_mock.inject_rx:
id: virtual_uart_controller
data: !lambda return data;
- uart_mock.inject_rx:
id: virtual_uart_server_2
data: !lambda return data;
- id: virtual_uart_server_2
baud_rate: 9600
auto_start: true
debug:
on_tx:
- then:
- uart_mock.inject_rx:
id: virtual_uart_server
data: !lambda return data;
- uart_mock.inject_rx:
id: virtual_uart_controller
data: !lambda return data;
- id: virtual_uart_controller
baud_rate: 9600
auto_start: true
debug:
on_tx:
- then:
- uart_mock.inject_rx:
id: virtual_uart_server
data: !lambda return data;
- uart_mock.inject_rx:
id: virtual_uart_server_2
data: !lambda return data;
globals:
- id: stored_1
type: uint16_t
initial_value: "0"
modbus:
- uart_id: virtual_uart_server
id: virtual_modbus_server
role: server
- uart_id: virtual_uart_server_2
id: virtual_modbus_server_2
role: server
- uart_id: virtual_uart_controller
id: virtual_modbus_client
role: client
turnaround_time: 10ms
modbus_controller:
- address: 1
modbus_id: virtual_modbus_client
id: modbus_controller_1
update_interval: 1s
- address: 2
modbus_id: virtual_modbus_client
id: modbus_controller_2
update_interval: 1s
- address: 3
modbus_id: virtual_modbus_client
id: modbus_controller_3
update_interval: 1s
modbus_server:
- address: 1
modbus_id: virtual_modbus_server
registers:
- address: 0x01
value_type: U_WORD
read_lambda: return 99;
- address: 0x02
value_type: U_WORD_S
read_lambda: return 4660;
- address: 0x03
value_type: S_WORD
read_lambda: return -99;
- address: 0x04
value_type: S_WORD_S
read_lambda: return -2;
- address: 0x05
value_type: U_DWORD
read_lambda: return 16909060;
- address: 0x08
value_type: S_DWORD
read_lambda: return -16909060;
- address: 0x0B
value_type: U_DWORD_R
read_lambda: return 67305985;
- address: 0x0E
value_type: S_DWORD_R
read_lambda: return -67305985;
- address: 0x11
value_type: U_QWORD
read_lambda: return 72623859790382856;
- address: 0x16
value_type: S_QWORD
read_lambda: return -72623859790382856;
- address: 0x1B
value_type: U_QWORD_R
read_lambda: return 578437695752307201;
- address: 0x20
value_type: S_QWORD_R
read_lambda: return -578437695752307201;
- address: 0x25
value_type: FP32
read_lambda: return 3.14;
- address: 0x28
value_type: FP32_R
read_lambda: return 3.14;
- address: 5
modbus_id: virtual_modbus_server
registers:
# Writable + readable register: srv_write_1 plus the client's read-back
# confirm the write half of the 0x17 ran before the read half (Modbus 6.17).
- address: 0x01
value_type: U_WORD
read_lambda: return id(stored_1);
write_lambda: |-
id(stored_1) = x;
id(srv_write_1).publish_state(x);
return true;
# Read-only register, returned together with 0x01 by the 2-register read half.
- address: 0x02
value_type: U_WORD
read_lambda: return 0x00AA;
- address: 2
modbus_id: virtual_modbus_server_2
registers:
- address: 0x01
value_type: U_WORD
read_lambda: return 919;
- address: 3
modbus_id: virtual_modbus_server_2
registers:
- address: 0x01
value_type: U_WORD
read_lambda: return 929;
sensor:
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_word"
address: 0x01
register_type: holding
value_type: U_WORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_word_s"
address: 0x02
register_type: holding
value_type: U_WORD_S
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_word_s_raw"
address: 0x02
register_type: holding
value_type: U_WORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_word"
address: 0x03
register_type: holding
value_type: S_WORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_word_s"
address: 0x04
register_type: holding
value_type: S_WORD_S
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_dword"
address: 0x05
register_type: holding
value_type: U_DWORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_dword"
address: 0x08
register_type: holding
value_type: S_DWORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_dword_r"
address: 0x0B
register_type: holding
value_type: U_DWORD_R
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_dword_r"
address: 0x0E
register_type: holding
value_type: S_DWORD_R
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_qword"
address: 0x11
register_type: holding
value_type: U_QWORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_qword"
address: 0x16
register_type: holding
value_type: S_QWORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_u_qword_r"
address: 0x1B
register_type: holding
value_type: U_QWORD_R
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_s_qword_r"
address: 0x20
register_type: holding
value_type: S_QWORD_R
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_fp32"
address: 0x25
register_type: holding
value_type: FP32
- platform: modbus_controller
modbus_controller_id: modbus_controller_1
name: "reg_fp32_r"
address: 0x28
register_type: holding
value_type: FP32_R
- platform: modbus_controller
modbus_controller_id: modbus_controller_2
name: "multi_reg_a"
address: 0x01
register_type: holding
value_type: U_WORD
- platform: modbus_controller
modbus_controller_id: modbus_controller_3
name: "multi_reg_b"
address: 0x01
register_type: holding
value_type: U_WORD
# client_read_write observations, server- and client-side.
- platform: template
name: "srv_write_1"
id: srv_write_1
- platform: template
name: "client_read_0"
id: client_read_0
- platform: template
name: "client_read_1"
id: client_read_1
button:
- platform: template
name: "Start Scenario"
id: start_scenario_btn
on_press:
# FC 0x17: write reg 0x0001 = 0x1234, then read regs 0x0001..0x0002 back in the same transaction.
- modbus_client.read_write_multiple_registers:
address: 5
read_address: 0x0001
read_count: 2
write_address: 0x0001
values: [0x1234]
on_response:
then:
- lambda: |-
// values is the read-back block: reg 0x0001 (must be the just-written 0x1234) and reg 0x0002.
if (values.size() >= 2) {
id(client_read_0).publish_state(values[0]);
id(client_read_1).publish_state(values[1]);
}
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