FreeCalypso > hg > freecalypso-tools

annotate target-utils/c139-lldbg/mygetchar.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * The interactive command entry (editing) function in libcommon
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3 * will call mygetchar() for its character input. It is supposed
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4 * to be a blocking wait for input, but in some programs other
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5 * processing can be done while waiting - for example, check for
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6 * keypad presses as well. This is the basic version which waits
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7 * for serial input and nothing else.
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8 */
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10 extern int serial_in_poll();
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12 int
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13 mygetchar()
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14 {
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15 register int c;
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17 do
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18 c = serial_in_poll();
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19 while (c < 0);
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20 return c;
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21 }