Added the stoplight task (part 1)
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@ -18,6 +18,13 @@ void task1 (void);
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void task2 (void);
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void task3 (void);
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/* enums */
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enum{
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S1_GREEN, S1_YELLOW, S1_RED, S1_RED_YELLOW,
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S2_GREEN, S2_YELLOW, S2_RED, S2_RED_YELLOW,
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INIT,
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} StoplightState = INIT; /* Emus for the stoplight task (task 3) */
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/* global variables */
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volatile int g_counter = 0;
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int g_ledStatus = 0;
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@ -38,10 +45,10 @@ main (void)
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while (1)
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{
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buttonTest();
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//buttonTest();
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//task1();
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//task2();
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//task3();
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task3();
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}
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}
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@ -107,8 +114,87 @@ task2 (void)
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}
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}
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void
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/* Task 3 */
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void
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task3 (void)
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{
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// beep boop
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/* Programmieren eine Ampelsteuerung auf einer Straßenkreuzung */
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/*
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int delayShort = 5000;
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int delayLong = 30000;
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//*/
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int delayShort = 2500;
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int delayLong = 7500;
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/* Stoplight and the corresponding Leds
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| GREEN | YELLOW | RED
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----------------------------------
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SL 1 | Led1 | Led4 | Led6
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SL 2 | Led2 | Led5 | Led7
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*/
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switch(StoplightState){
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case INIT:
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Led1_On(); // Set stoplight 1 to green
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Led2_Off();
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Led3_Off();
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Led4_Off();
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Led5_Off();
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Led6_Off();
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Led7_On(); // Set stoplight 2 to red
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Led8_Off();
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StoplightState = S1_YELLOW;
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case S1_YELLOW: // Set stoplight 2 to yellow
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_delay_ms(delayLong);
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Led1_Off();
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Led4_On();
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StoplightState = S1_RED;
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case S1_RED: // Set stoplight 2 to red
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_delay_ms(delayShort);
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Led4_Off();
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Led6_On();
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StoplightState = S2_RED_YELLOW;
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case S2_RED_YELLOW:
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_delay_ms(delayShort);
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Led5_On();
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Led7_On();
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StoplightState = S2_GREEN;
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case S2_GREEN:
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_delay_ms(delayShort);
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Led5_Off();
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Led7_Off();
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Led2_On();
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StoplightState = S2_YELLOW;
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case S2_YELLOW:
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_delay_ms(delayLong);
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Led2_Off();
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Led5_On();
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StoplightState = S2_RED;
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case S2_RED:
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_delay_ms(delayShort);
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Led5_Off();
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Led7_On();
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StoplightState = S1_RED_YELLOW;
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case S1_RED_YELLOW:
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_delay_ms(delayShort);
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Led4_On();
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Led6_On();
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StoplightState = S1_GREEN;
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case S1_GREEN:
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_delay_ms(delayShort);
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Led4_Off();
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Led6_Off();
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Led1_On();
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StoplightState = S1_YELLOW;
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}
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}
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