1 -- OpenOCD RPC example, covered by GNU GPLv3 or later
2 -- Copyright (C) 2014 Paul Fertser
6 -- Halting the target, full log output captured:
7 -- target state: halted
8 -- target halted due to debug-request, current mode: Thread
9 -- xPSR: 0x21000000 pc: 0x00003352 msp: 0x20000fe8
11 -- Read memory, parse the result and show as a list of strings:
12 -- ["0x20001000","0x0000334d","0x00002abb","0x0000118f","0x00002707","0x00002707","0x00002707","0x00000000","0x00000000","0x00000000","0x00000000","0x00002707","0x00002707","0x00000000","0x00002707","0x00002781"]
15 {-# LANGUAGE OverloadedStrings #-}
20 import System.IO.Streams.Core hiding (connect)
21 import System.IO.Streams.Network
22 import System.IO.Streams.Attoparsec
23 import Data.Attoparsec.ByteString.Char8
24 import Data.ByteString.Char8 hiding (putStrLn, concat, map)
27 ocdReply = manyTill anyChar (char '\x1a')
29 ocdExec (oistream, oostream) command = do
30 write (Just $ pack $ command ++ "\x1a") oostream
31 parseFromStream ocdReply oistream
33 -- For each line: dispose of address, then match hex values
34 mdwParser = (manyTill anyChar (string ": ") *>
35 hexadecimal `sepBy` char ' ')
38 ocdMdw :: (InputStream ByteString, OutputStream ByteString) -> Integer -> Integer -> IO [Integer]
39 ocdMdw s start qnt = do
40 res <- ocdExec s $ "mdw " ++ show start ++ " " ++ show qnt
41 case parseOnly mdwParser (pack res) of
42 Right r -> return $ concat r
45 osock <- socket AF_INET Stream defaultProtocol
46 connect osock (SockAddrInet 6666 $ tupleToHostAddress (127,0,0,1))
47 ostreams <- socketToStreams osock
48 putStrLn "Halting the target, full log output captured:"
49 ocdExec ostreams "capture \"halt\"" >>= putStrLn
50 putStrLn "Read memory, parse the result and show as a list of strings:"
51 ocdMdw ostreams 0 16 >>= putStrLn . (show :: [String] -> String) . map (printf "0x%08x")
53 ocdExec ostreams "resume"