From c596dd198c36cd4c9e82cfbc93d0dd003fdc4b4c Mon Sep 17 00:00:00 2001
From: tzlil <tzlils@protonmail.com>
Date: Mon, 26 Feb 2024 18:53:34 +0200
Subject: add I2C

---
 src/Main.hs | 71 -------------------------------------------------------------
 1 file changed, 71 deletions(-)
 delete mode 100644 src/Main.hs

(limited to 'src/Main.hs')

diff --git a/src/Main.hs b/src/Main.hs
deleted file mode 100644
index 43f4746..0000000
--- a/src/Main.hs
+++ /dev/null
@@ -1,71 +0,0 @@
-{-# LANGUAGE ImplicitParams #-}
-{-# LANGUAGE NumericUnderscores #-}
-{-# LANGUAGE AllowAmbiguousTypes #-}
-{-# LANGUAGE FlexibleContexts #-}
-{-# LANGUAGE LambdaCase #-}
-{-# OPTIONS_GHC -option #-}
-module Main where
-
-import Clash.Prelude
-import Clash.Annotations.SynthesisAttributes
-import Clash.Cores.UART
-import Data.Char (ord)
-import Control.Monad.Trans.State.Strict
-
--- 50 MHz
-createDomain vSystem{vName="Input", vPeriod=20_000}
-
-{-# ANN topEntity
-  (Synthesize
-    { t_name   = "Main"
-    , t_inputs = [
-      PortName "CLK0",
-      PortName "UART_RX"
-       ]
-    , t_output = PortName "UART_TX"
-    }) #-}
-topEntity ::
-  "CLK" ::: Clock Input
-    `Annotate` 'StringAttr "chip_pin" "R20"
-    `Annotate` 'StringAttr
-                "altera_attribute" "-name IO_STANDARD \"3.3-V LVTTL\""
-  -> "RX" ::: Signal Input Bit
-    `Annotate` 'StringAttr
-                "chip_pin" "M9"
-    `Annotate` 'StringAttr
-                "altera_attribute" "-name IO_STANDARD \"2.5V\""
-  -> "KEY0" ::: Signal Input Bit
-    `Annotate` 'StringAttr
-                "chip_pin" "P11"
-    `Annotate` 'StringAttr
-                "altera_attribute" "-name IO_STANDARD \"1.2V\""
-  -> Signal Input Bit
-    `Annotate` 'StringAttr
-                "chip_pin" "L9"
-    `Annotate` 'StringAttr
-                "altera_attribute" "-name IO_STANDARD \"2.5V\""
-topEntity clk rx key0 = txBit
-  where
-    baud = SNat @115200
-    uart' = exposeClockResetEnable (uart baud) clk resetGen enableGen
-    (rxWord, txBit, ack) = uart' rx txM
-    txM = (exposeClockResetEnable mealyS clk resetGen enableGen) cpu Listening (CPUIn <$> key0 <*> ack <*> rxWord)
-
-
-data CPUIn = CPUIn {
-  key0 :: Bit,
-  ack :: Bool,
-  rx :: Maybe (BitVector 8)
-}
-
-data CPUState = Transmitting (BitVector 8) | Listening deriving (Generic, NFDataX)
-cpu :: CPUIn -> State CPUState (Maybe (BitVector 8))
-cpu CPUIn{rx=Just rx} = do
-  put $ Transmitting $ rx
-  return Nothing
-
-cpu CPUIn{ack=True} = put Listening >> return Nothing
-
-cpu CPUIn{ack=False,rx=Nothing} = get >>= \case 
-  Transmitting s -> return $ Just s
-  Listening -> return Nothing
\ No newline at end of file
-- 
cgit 1.4.1