A tu działający kod dla potomnych.
[syntax=c]#include <avr/io.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
//display
#define DISP_PINS 0xFF
#define DISP_DDR DDRD
#define DISP_PORT PORTD
//multiplexer
#define MUX_DDR DDRB
#define MUX_PORT PORTB
#define MUX_PINS 0x0F
#define MUX_CLR PORTB &= ~MUX_PINS
#define MUX0 PB3
#define MUX1 PB2
#define MUX2 PB1
#define MUX3 PB0
//display fonts
const uint8_t font[] PROGMEM =
{
0xC0,// 0
0xF9,// 1
0xA4,// 2
0xB0,// 3
0x99,// 4
0x92,// 5
0x82,// 6
0xD8,// 7
0x80,// 8
0x90// 9
};
int main(void)
{
MUX_DDR |= MUX_PINS; //multiplexer pins as outputs
MUX_PORT |= MUX_PINS; //multiplexer pins set
DISP_DDR |= DISP_PINS; //display pins as outputs
DISP_PORT |= DISP_PINS; //display pins set
uint8_t i = 0;
while(1)
{
_delay_ms(1000);
++i;
if(i == 10) i = 0;
DISP_PORT = pgm_read_byte(&font[i]);
}
}[/syntax]Statystyki: Napisane przez resonator — 20 kwi 2016, o 21:32
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