79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
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#include <stdio.h>
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#include <conio.h>
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enum signals { RUBL_1, RUBL_2, CANCEL};
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enum states { READY, PREPFRE, WAIT, CHANGE, RETURN };
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enum signals GetUserSignal(void)
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{
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char Choice;
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while(1)
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{
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printf("1.Put 1 rubl\n2.Put 2 rubl\n0.Cancel\n");
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Choice = _getch();
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switch(Choice)
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{
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case '1':
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return RUBL_1;
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case '2':
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return RUBL_2;
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case '0':
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return CANCEL;
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}
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}
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}
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int main()
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{
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enum states state = READY;
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while (1)
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{
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switch (state)
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{
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case READY:
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printf("Ready\n");
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switch(GetUserSignal())
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{
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case (RUBL_2):
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state = PREPFRE;
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break;
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case(RUBL_1):
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state = WAIT;
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break;
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case(CANCEL):
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printf("Error signal CANCEL\n");
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break;
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}
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break;
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case PREPFRE:
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printf("Preapare cofee\n");
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state = READY;
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break;
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case WAIT:
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printf("Wait\n");
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switch(GetUserSignal())
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{
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case(RUBL_2):
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state = CHANGE;
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break;
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case(RUBL_1):
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state = PREPFRE;
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break;
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case(CANCEL):
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state = RETURN;
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break;
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}
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break;
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case CHANGE:
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printf("Change 1 Rubl\n");
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state = PREPFRE;
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break;
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case RETURN:
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printf("Change 1 Rubl\n");
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state = READY;
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break;
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}
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}
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return 0;
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}
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