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fixed hardware initialization

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This commit is contained in:
Steffen Vogel 2012-04-15 16:18:04 +02:00
parent 03f16494d9
commit cd8699d96b
1 changed files with 10 additions and 20 deletions
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30
firmware/main.c
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@ -17,6 +17,7 @@
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/wdt.h>
#include <util/delay.h>
#include "usbasp.h"
#include "usbdrv.h"
@ -301,30 +302,21 @@ uchar usbFunctionWrite(uchar *data, uchar len) {
}
void hardwareInit(void) {
/* no pullups on USB and ISP pins */
PORTD = 0;
PORTB = 0;
int i;
/* all outputs except PD2 = INT0 */
DDRD = ~(1 << 2);
/* output SE0 for USB reset */
DDRB = ~0;
j = 0;
/* no pullups on USB and ISP pins */
DDRB = DDRC = DDRD = 0xff;
PORTB = PORTC = PORTD = 0xff;
/* USB Reset by device only required on Watchdog Reset */
while (--j) {
i = 0;
/* delay >10ms for USB reset */
while (--i)
;
usbDeviceDisconnect();
for(i = 0; i < 500; i++) {
_delay_ms(1);
}
/* all USB and ISP pins inputs */
DDRB = 0;
usbDeviceConnect();
/* all inputs except PC0, PC1 */
DDRC = 0x03;
DDRC |= 0x03;
ledGreenOn();
ledRedOff();
@ -333,8 +325,6 @@ void hardwareInit(void) {
}
int main(void) {
uchar i, j;
/* init ports */
hardwareInit();