Add support for atmega32u4 chip

This commit is contained in:
Daan Sprenkels 2019-07-13 14:17:04 +02:00
parent 2dd64af033
commit 7e90c06cf9
2 changed files with 5 additions and 3 deletions

View File

@ -54,10 +54,10 @@ justflash: $(HEXFILE)
./scripts/wait_then_flash.sh $(CPU) $(HEXFILE) ./scripts/wait_then_flash.sh $(CPU) $(HEXFILE)
chip_erase: chip_erase:
dfu-programmer atmega32u2 erase dfu-programmer $(CPU) erase
reset: reset:
dfu-programmer atmega32u2 reset dfu-programmer $(CPU) reset
restart: restart:
- ./scripts/enter_bootloader.sh - ./scripts/enter_bootloader.sh

4
usb.c
View File

@ -785,7 +785,7 @@ void usb_doTasks(void)
} }
} }
#if defined(__AVR_ATmega32U2__) #if defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega32U4__)
/* Atmega32u2 datasheet 8.11.6, PLLCSR. /* Atmega32u2 datasheet 8.11.6, PLLCSR.
* But register summary says PLLP0... */ * But register summary says PLLP0... */
@ -851,8 +851,10 @@ void usb_init(const struct usb_parameters *params)
USBCON |= (1<<FRZCLK); // initial value USBCON |= (1<<FRZCLK); // initial value
#ifdef UHWCON #ifdef UHWCON
UHWCON |= (1<<UVREGE); // Enable USB pad regulator UHWCON |= (1<<UVREGE); // Enable USB pad regulator
#if defined(UIDE) && defined(UIMOD)
UHWCON &= ~(1<<UIDE); UHWCON &= ~(1<<UIDE);
UHWCON |= (1<UIMOD); UHWCON |= (1<UIMOD);
#endif
#endif #endif
#ifdef UPOE #ifdef UPOE