blob: 8154611b1831249fd5f8ee22f97b754abfb80ed6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE OverloadedStrings #-}
module Hsm.Status
( StatusEnv(..)
, statusEnvDefault
, status
) where
import Foreign.Ptr (Ptr)
import GHC.Records (HasField)
import Hsm.GPIO (GPIO(..), LineRequest, active, inactive, setPins)
import Hsm.Log qualified as L
data StatusEnv = StatusEnv
{ gpioOk :: GPIO
, gpioError :: GPIO
}
statusEnvDefault :: StatusEnv
statusEnvDefault = StatusEnv {gpioOk = GPIO17, gpioError = GPIO27}
status ::
HasField "statusEnv" env StatusEnv
=> Ptr LineRequest
-> env
-> [Bool]
-> IO ()
status lineRequest env signals = do
if and signals
then do
logMsg "All signals OK"
setPins lineRequest [env.statusEnv.gpioError] inactive
setPins lineRequest [env.statusEnv.gpioOk] active
else do
logMsg "Error signal received"
setPins lineRequest [env.statusEnv.gpioError] active
setPins lineRequest [env.statusEnv.gpioOk] inactive
where
logMsg = L.logMsg ["status"]
|
