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change fuses , always watchdog and 2048 words bootloader section

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This commit is contained in:
David Voswinkel 2009-07-20 23:13:21 +02:00
parent 9e1a9fffc5
commit e45b08a5fb
2 changed files with 32 additions and 20 deletions
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11
avr/usbload/Makefile
View File

@ -2,8 +2,7 @@
TTY = /dev/tty.PL2303-00002126 TTY = /dev/tty.PL2303-00002126
DEVICE = atmega644 DEVICE = atmega644
F_CPU = 20000000 # in Hz F_CPU = 20000000 # in Hz
FUSE_L = 0xf7
FUSE_H = 0xdd
AVRDUDE = avrdude -c usbasp -p $(DEVICE) AVRDUDE = avrdude -c usbasp -p $(DEVICE)
CFLAGS = -Iusbdrv -I. -DDEBUG_LEVEL=0 CFLAGS = -Iusbdrv -I. -DDEBUG_LEVEL=0
@ -16,12 +15,8 @@ COMPILE = avr-gcc -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE)
# Fuse values for particular devices # Fuse values for particular devices
############################################################################## ##############################################################################
# http://www.engbedded.com/fusecalc/ # http://www.engbedded.com/fusecalc/
################################## ATMega644 ################################## FUSE_L = 0xf7
# ATMega644 FUSE_L (Fuse low byte): FUSE_H = 0xda
# 0xf7 = 1 1 1 1 0 1 1 1
# ATMega644 FUSE_H (Fuse high byte):
# 0xdd = 1 1 0 1 1 1 0 0
# symbolic targets: # symbolic targets:

37
avr/usbload/main.c
View File

@ -408,21 +408,38 @@ int main(void)
#if 0 #if 0
i = 20; i = 20;
while (--i) { /* fake USB disconnect for > 250 ms */ while (--i) { /* fake USB disconnect for > 250 ms */
_delay_ms(100); _delay_ms(500);
printf("Wait to switch to avr mode %i\n", i);
} }
printf("Send IRQ\n"); printf("Send IRQ\n");
snes_irq_lo(); //snes_irq_lo();
snes_irq_on(); //snes_irq_on();
_delay_ms(1); //_delay_ms(1);
//avr_bus_active(); avr_bus_active();
//c = sram_bulk_read();
//snes_bus_active();
snes_irq_off(); sram_bulk_read_start(0x003000);
c = sram_bulk_read();
i = 5;
while (--i) { /* fake USB disconnect for > 250 ms */
_delay_ms(500);
printf("Wait to switch to snes mode %i\n", i);
}
//sram_bulk_read_start(0x003000); if (req_bank_size == 0x8000){
//printf("Read 0x3000=%c\n",c); snes_lorom();
printf("Set Snes lowrom \n");
} else {
snes_hirom();
printf("Set Snes hirom \n");
}
snes_wr_disable();
printf("Disable snes WR\n");
snes_bus_active();
printf("Activate Snes bus\n");
printf("Read 0x3000=%c\n",c);
#endif #endif
} }
} }