54 lines
2.0 KiB
Haskell
54 lines
2.0 KiB
Haskell
-- OpenOCD RPC example, covered by GNU GPLv3 or later
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-- Copyright (C) 2014 Paul Fertser
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--
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-- Example output:
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-- $ ./ocdrpc
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-- Halting the target, full log output captured:
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-- target state: halted
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-- target halted due to debug-request, current mode: Thread
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-- xPSR: 0x21000000 pc: 0x00003352 msp: 0x20000fe8
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--
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-- Read memory, parse the result and show as a list of strings:
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-- ["0x20001000","0x0000334d","0x00002abb","0x0000118f","0x00002707","0x00002707","0x00002707","0x00000000","0x00000000","0x00000000","0x00000000","0x00002707","0x00002707","0x00000000","0x00002707","0x00002781"]
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-- Resuming
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{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Prelude
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import Network.Socket
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import System.IO.Streams.Core hiding (connect)
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import System.IO.Streams.Network
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import System.IO.Streams.Attoparsec
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import Data.Attoparsec.ByteString.Char8
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import Data.ByteString.Char8 hiding (putStrLn, concat, map)
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import Text.Printf
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ocdReply = manyTill anyChar (char '\x1a')
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ocdExec (oistream, oostream) command = do
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write (Just $ pack $ command ++ "\x1a") oostream
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parseFromStream ocdReply oistream
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-- For each line: dispose of address, then match hex values
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mdwParser = (manyTill anyChar (string ": ") *>
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hexadecimal `sepBy` char ' ')
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`sepBy` string " \n"
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ocdMdw :: (InputStream ByteString, OutputStream ByteString) -> Integer -> Integer -> IO [Integer]
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ocdMdw s start qnt = do
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res <- ocdExec s $ "mdw " ++ show start ++ " " ++ show qnt
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case parseOnly mdwParser (pack res) of
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Right r -> return $ concat r
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main = do
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osock <- socket AF_INET Stream defaultProtocol
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connect osock (SockAddrInet 6666 $ tupleToHostAddress (127,0,0,1))
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ostreams <- socketToStreams osock
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putStrLn "Halting the target, full log output captured:"
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ocdExec ostreams "capture \"halt\"" >>= putStrLn
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putStrLn "Read memory, parse the result and show as a list of strings:"
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ocdMdw ostreams 0 16 >>= putStrLn . (show :: [String] -> String) . map (printf "0x%08x")
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putStrLn "Resuming"
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ocdExec ostreams "resume"
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