smd.iotkit.ch
/
FernsehSimulatorLED
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Dependencies: mbed
Fork of
FernsehSimulator
by 
smd.iotkit1.ch
Revision 4:f6840272e341, committed 2016-04-08
- Comitter:
- marcel1691
- Date:
- Fri Apr 08 12:17:43 2016 +0000
- Parent:
- 3:e612c5f0c23d
- Commit message:
- Fernsehsimulator mit LED auf Shield
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Mar 31 13:04:58 2016 +0000
+++ b/main.cpp Fri Apr 08 12:17:43 2016 +0000
@@ -3,45 +3,25 @@
#include "mbed.h"
#include <time.h>
-SPI spi(D11, NC, D13); // mosi, miso, sclk
+DigitalOut led[] = { DigitalOut( D10 ), DigitalOut( D11 ), DigitalOut( D12 ), DigitalOut( D13 ) };
AnalogIn poti( A0 );
-/** 3 x 3 Werte */
-unsigned int strip[9];
-
-void writeLED()
-{
- for ( int p = 0; p < 9; p++ )
- spi.write( strip[p] );
-}
-
-void clearLED()
-{
- for ( int p = 0; p < 9; p++ )
- {
- strip[p] = 0;
- spi.write( strip[p] );
- }
-}
-
int main()
{
- printf( "LED Strip Test \n" );
+ printf( "Fernsehsimulator\n" );
- spi.format( 8,0 );
- spi.frequency( 800000 );
-
- clearLED();
time_t t;
time(&t);
srand( (unsigned int)t ); /* Zufallsgenerator initialisieren */
while ( 1 )
{
- for ( int i = 0; i < 9; i++ )
- strip[i] = rand() % 64 + 1;
+ for ( int i = 0; i < 4; i++ )
+ {
+ int r = rand();
+ led[i] = ( (r % (i+2) ) != 0 ) ? 1 : 0;
+ }
- writeLED();
wait( poti.read() );
}
}
\ No newline at end of file