First working version of the ISR to control the LEDs.
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15c681c7e3
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0a316aaed9
3 changed files with 38 additions and 14 deletions
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@ -8,10 +8,6 @@
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#define FALSE 0
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#define TRUE 1
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// Definitionen
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#define PIXEL_TON 30
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#define PIXEL_TOFF 10
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#define sleep_nop(cnt) for (uint8_t i = 0; i < cnt; i++) { asm volatile("nop"::); }
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// Pixelmakros
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@ -16,6 +16,8 @@ int main(void)
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init();
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init_usb();
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uint8_t anim = 0;
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// Hauptschleife
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//while (1)
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for (;;)
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@ -26,6 +28,19 @@ int main(void)
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// hier pause einfügen
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_delay_ms(50); // beispielsweise 50 ms => muss angepasst werden an usb kommunikation
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anim++;
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if (anim == 40)
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{
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if (cube == 0xffffffff)
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cube = 0x07007007;
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else if (cube == 0x07007007)
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cube = 0x00000000;
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else if (cube == 0x00000000)
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cube = 0xffffffff;
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anim = 0;
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}
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}
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}
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@ -36,8 +51,8 @@ void init()
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DDRB = 0b11111111; // PB0-PB7: LED 1-8 (Kathoden)
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PORTB = 0b11111111; // HIGH
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DDRD = 0b1111000; // PD6: LED 9 (Kathode); PD5-PD3: A-C (Anoden)
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PORTD = 0b1000000;
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DDRD = 0b01111000; // PD6: LED 9 (Kathode); PD5-PD3: A-C (Anoden)
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PORTD = 0b01000000;
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// Timer-Interrupt "TIMER1" vorbereiten
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//cli(); //
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@ -67,17 +82,28 @@ void init()
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ISR (TIMER1_COMPA_vect)
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{
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// PORTD = __, 9, C, B, A,D+,D-,__
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PORTD &= 0b11000111; // Reset durch Bitmaske
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PORTD |= ((1 << (cube_level))<< 3); // Level setzen (A=0, B=1, C=2)
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PORTD &= 0b10000111; // 7tes Bit löschen (Leitung 9) und alle Ebenen deaktivieren
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PORTD |= ((1 << cube_level) << 3); // cube_level setzen (Ebene A=0, B=1, C=2)
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uint32_t tmp = cube_level * 9;
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uint32_t tmp1 = tmp + 8;
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// PORTB = 1..8
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// 0 = leuchtet, 1 = leuchtet nicht (invertiert!)
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PORTB = ~(cube & (0b11111111 << (cube_level*9)));
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//PORTB = ~((uint32_t)(cube & (0b11111111 << tmp)) >> tmp);
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//PORTB = ((uint32_t)(~cube & (uint32_t)(0xff << tmp)) >> tmp);
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PORTB = ~((cube >> tmp) & 0xff);
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PORTD &= 0b10111111; // 7tes Bit löschen (9)
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PORTD |= ~((cube & (1 << (cube_level*9+8))) << 6);
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// PORTD &= 0b10111111; // bereits oben erledigt
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//PORTD |= ~(((uint32_t)(cube & (1 << (tmp+8))) >> (tmp+8)) << 6);
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//PORTD |= (((~cube & (1 << tmp)) >> tmp) << 6);
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if ( (((cube >> tmp) >> 8) & 0x01) == 1 )
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PORTD &= ~(1 << 6);
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else
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PORTD |= (1 << 6);
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//PORTD |= (1 << 6); // test to always off
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//cube_level++;
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//if (cube_level > 2) cube_level = 0;
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cube_level++;
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if (cube_level > 2) cube_level = 0;
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}
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@ -20,7 +20,9 @@
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//#include <avr/wdt.h>
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// Cube-Data
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volatile uint32_t cube = 0x0000000F; // Aktuelle Frame
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//volatile uint32_t cube = 0x07007007; // Aktuelles Frame
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volatile uint32_t cube = 0xffffffff; // Aktuelles Frame
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//volatile uint32_t cube = 0x00000000; // Aktuelles Frame
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// Bit Offset in Cube-Data
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volatile uint8_t cube_level = 0; // Ebene
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