FreeCalypso > hg > freecalypso-sw

annotate target-utils/loadagent/mygetchar.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents c0e063494194
children
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c0e063494194 loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
c0e063494194 loadagent built with memory dump commands
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2 * The interactive command entry (editing) function in libcommon
c0e063494194 loadagent built with memory dump commands
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3 * will call mygetchar() for its character input. It is supposed
c0e063494194 loadagent built with memory dump commands
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4 * to be a blocking wait for input, but in some programs other
c0e063494194 loadagent built with memory dump commands
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5 * processing can be done while waiting - for example, check for
c0e063494194 loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 * keypad presses as well. This is the basic version which waits
c0e063494194 loadagent built with memory dump commands
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7 * for serial input and nothing else.
c0e063494194 loadagent built with memory dump commands
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8 */
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9
c0e063494194 loadagent built with memory dump commands
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10 extern int serial_in_poll();
c0e063494194 loadagent built with memory dump commands
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c0e063494194 loadagent built with memory dump commands
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12 int
c0e063494194 loadagent built with memory dump commands
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13 mygetchar()
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14 {
c0e063494194 loadagent built with memory dump commands
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15 register int c;
c0e063494194 loadagent built with memory dump commands
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c0e063494194 loadagent built with memory dump commands
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17 do
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18 c = serial_in_poll();
c0e063494194 loadagent built with memory dump commands
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19 while (c < 0);
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20 return c;
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21 }