root
49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
from .protocol import (
|
|
make_status_request,
|
|
make_set_relay,
|
|
is_status_response,
|
|
is_relay_response,
|
|
is_error,
|
|
)
|
|
|
|
|
|
class CommunicationService:
|
|
def __init__(self, uart_client, app_state):
|
|
self.uart_client = uart_client
|
|
self.app_state = app_state
|
|
self.last_messages = []
|
|
|
|
def request_status(self):
|
|
self.uart_client.send_message(make_status_request())
|
|
|
|
def set_relay(self, relay, enabled):
|
|
self.uart_client.send_message(make_set_relay(relay, enabled))
|
|
|
|
def poll(self):
|
|
messages = self.uart_client.read_available_messages()
|
|
self.last_messages = messages
|
|
|
|
for message in messages:
|
|
self.handle_message(message)
|
|
|
|
return messages
|
|
|
|
def handle_message(self, message):
|
|
if is_status_response(message):
|
|
self.app_state.update_from_status(message)
|
|
return
|
|
|
|
if is_relay_response(message):
|
|
self.app_state.update_from_relay_response(message)
|
|
return
|
|
|
|
if is_error(message):
|
|
self.app_state.set_error(message)
|
|
return
|
|
|
|
self.app_state.set_error({
|
|
"type": "error",
|
|
"message": "unknown_message_type",
|
|
"raw": message,
|
|
})
|