92 lines
1.4 KiB
C
92 lines
1.4 KiB
C
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/*
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* test1.c:
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* Simple test program to test the wiringPi functions
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*/
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#include <wiringPi.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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// Simple sequencer data
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// Triplets of LED, On/Off and delay
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uint8_t data [] =
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{
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0, 1, 1,
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1, 1, 1,
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0, 0, 0, 2, 1, 1,
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1, 0, 0, 3, 1, 1,
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2, 0, 0, 4, 1, 1,
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3, 0, 0, 5, 1, 1,
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4, 0, 0, 6, 1, 1,
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5, 0, 0, 7, 1, 1,
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6, 0, 1,
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7, 0, 1,
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0, 0, 1, // Extra delay
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// Back again
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7, 1, 1,
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6, 1, 1,
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7, 0, 0, 5, 1, 1,
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6, 0, 0, 4, 1, 1,
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5, 0, 0, 3, 1, 1,
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4, 0, 0, 2, 1, 1,
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3, 0, 0, 1, 1, 1,
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2, 0, 0, 0, 1, 1,
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1, 0, 1,
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0, 0, 1,
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0, 0, 1, // Extra delay
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9, 9, 9, // End marker
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} ;
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int main (void)
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{
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int pin ;
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int dataPtr ;
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int l, s, d ;
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printf ("Raspberry Pi wiringPi test program\n") ;
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if (wiringPiSetup () == -1)
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exit (1) ;
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for (pin = 0 ; pin < 8 ; ++pin)
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pinMode (pin, OUTPUT) ;
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pinMode (8, INPUT) ; // Pin 8 SDA0 - Has on-board 2k2 pull-up resistor
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dataPtr = 0 ;
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for (;;)
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{
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l = data [dataPtr++] ; // LED
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s = data [dataPtr++] ; // State
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d = data [dataPtr++] ; // Duration (10ths)
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if ((l + s + d) == 27)
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{
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dataPtr = 0 ;
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continue ;
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}
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digitalWrite (l, s) ;
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if (digitalRead (8) == 0) // Pressed as our switch shorts to ground
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delay (d * 10) ; // Faster!
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else
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delay (d * 100) ;
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}
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return 0 ;
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}
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