FreeCalypso > hg > freecalypso-tools
view target-utils/flash-boot-test/mygetchar.c @ 277:4469d73bbc60
etmsync l1tmops module: need to return on errors, not exit
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 17 Nov 2017 00:37:52 +0000 |
parents | dbb54db721d1 |
children |
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/* * The interactive command entry (editing) function in libcommon * will call mygetchar() for its character input. It is supposed * to be a blocking wait for input, but in some programs other * processing can be done while waiting - for example, check for * keypad presses as well. This is the basic version which waits * for serial input and nothing else. */ extern int serial_in_poll(); int mygetchar() { register int c; do c = serial_in_poll(); while (c < 0); return c; }