126 lines
2.0 KiB
C
126 lines
2.0 KiB
C
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/*
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* Mainboard.c
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*
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* Created: 06.10.2013 19:12:35
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* Author: netz
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*/
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#define F_CPU 16000000
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//#define F_CPU 8000000
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//#define F_CPU 2000000
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#include <avr/io.h>
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#include <util/delay.h>
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//#include "config.h"
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//#include <avr/io.h>
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//#include "led.h"
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//#include "rs232.h"
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//#include "usb.h"
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/*void wait_for_usb() {
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while(true) {
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if(usb_getstatus() == USB_STATUS_DISCONNECTED) {
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led(YELLOW);
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if(!(PINC & (1<<PINC7))) {
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return;
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}
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}
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if(usb_getstatus() == USB_STATUS_ENUMERATED) {
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led(CYAN);
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}
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if(usb_getstatus() == USB_STATUS_CONFIGURED) {
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led(GREEN);
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return;
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}
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}
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}
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void init()
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{
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led(YELLOW);
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sei();
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init_led();
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init_rs232();
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//init_usb();
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DDRC &= ~(1<<PINC7);
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PORTC |= (1<<PINC7);
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//wait_for_usb();
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}
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void send(char * text) {
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uint8_t l = strlen(text);
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if(l >= 29) {
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text[29] = 13;
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text[30] = 10;
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text[31] = 0;
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} else {
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text[l] = 13;
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text[l+1] = 10;
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text[l+2] = 0;
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}
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led(MAGENTA);
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rs232_send(text);
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if(usb_getstatus() == USB_STATUS_CONFIGURED && usb_ready()) {
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usb_send(text);
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}
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led(GREEN);
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}
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void resi(char * text) {
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_delay_ms(10);
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send("Nachricht bekommen!");
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//send(text);
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led(RED);
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_delay_ms(2000);
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}*/
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uint8_t spi_putc( uint8_t data ) {
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SPDR = data;
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while(!(SPSR & (1<<SPIF))) {
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PORTB ^= (1<<PINB6);
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_delay_ms(100);
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}
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return SPDR;
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}
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int main(void)
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{
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DDRB = (1<<PINB1) | (1<<PINB2) | (0<<PINB3) | (1<<PINB4) | (1<<PINB7) | (1<<PINB6);
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PORTB = 0 | (1<<PINB4);
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SPSR = 0;//(1<<SPI2X);
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SPCR = (1<<SPE) | (1<<MSTR) | (1<<SPR1) | (1<<SPR0);
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_delay_ms(10);
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PORTB &= ~(1<<PINB4);
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spi_putc( 0xC0 );
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_delay_ms(1);
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PORTB |= (1<<PINB4);
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PORTB &= ~(1<<PINB4);
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spi_putc( 0xC0 );
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_delay_ms(1);
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PORTB |= (1<<PINB4);
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PORTB |= (1<<PINB7);
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/*init();
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led(GREEN);
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char text[32];
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uint16_t i=0;
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while(1)
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{
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snprintf(text, 32, "blafoo %d ich bin ein lager doofer text",i++);
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send(text);
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_delay_ms(100);
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led_rainbow(5);
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}*/
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while(1) {
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}
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}
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