FreeCalypso > hg > freecalypso-sw
annotate target-utils/loadagent/mygetchar.c @ 351:fd015570cacc
os_com_fl.c: os_FindSuspendingQueue() and os_DestroyQueue() done
| author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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| date | Sun, 11 May 2014 20:34:43 +0000 |
| parents | c0e063494194 |
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| rev | line source |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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1 /* |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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2 * The interactive command entry (editing) function in libcommon |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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3 * will call mygetchar() for its character input. It is supposed |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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4 * to be a blocking wait for input, but in some programs other |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
5 * processing can be done while waiting - for example, check for |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
6 * keypad presses as well. This is the basic version which waits |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
7 * for serial input and nothing else. |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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8 */ |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
9 |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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10 extern int serial_in_poll(); |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
11 |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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12 int |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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13 mygetchar() |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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changeset
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14 { |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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15 register int c; |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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16 |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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changeset
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17 do |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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18 c = serial_in_poll(); |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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19 while (c < 0); |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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20 return c; |
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c0e063494194
loadagent built with memory dump commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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21 } |
