fix escape codes splitting across getBlockOfChars
#161
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- fixes issue haskell#160 and maybe issue haskell#77. - 20ms delay worked well for 9600bps serial port, 10ms did not.
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This patch adds a 20ms timeout to
getBlockOfCharswhen an ESC character is seen. This forcesgetBlockOfCharsto wait for a whole escape sequence which could otherwise get fragmented on a slow connection.Some useful reference information on this topic:
https://stackoverflow.com/a/3219355/398021
Fixes issue #160