FreeCalypso > hg > freecalypso-tools

annotate target-utils/flash-boot-test/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 dbb54db721d1
children
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dbb54db721d1 target-utils/flash-boot-test written
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1 /*
dbb54db721d1 target-utils/flash-boot-test written
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2 * The interactive command entry (editing) function in libcommon
dbb54db721d1 target-utils/flash-boot-test written
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3 * will call mygetchar() for its character input. It is supposed
dbb54db721d1 target-utils/flash-boot-test written
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4 * to be a blocking wait for input, but in some programs other
dbb54db721d1 target-utils/flash-boot-test written
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5 * processing can be done while waiting - for example, check for
dbb54db721d1 target-utils/flash-boot-test written
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6 * keypad presses as well. This is the basic version which waits
dbb54db721d1 target-utils/flash-boot-test written
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7 * for serial input and nothing else.
dbb54db721d1 target-utils/flash-boot-test written
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8 */
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9
dbb54db721d1 target-utils/flash-boot-test written
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10 extern int serial_in_poll();
dbb54db721d1 target-utils/flash-boot-test written
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11
dbb54db721d1 target-utils/flash-boot-test written
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12 int
dbb54db721d1 target-utils/flash-boot-test written
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13 mygetchar()
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14 {
dbb54db721d1 target-utils/flash-boot-test written
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15 register int c;
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16
dbb54db721d1 target-utils/flash-boot-test written
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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;
dbb54db721d1 target-utils/flash-boot-test written
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21 }