From 23fad0b55c9387a1e65f0175ce321a9e13bb51e8 Mon Sep 17 00:00:00 2001 From: tmk Date: Sat, 30 Jun 2012 14:44:14 +0900 Subject: [PATCH] Add support of USBasp bootloader. --- common/bootloader.c | 30 ++++++++++++++++++++ protocol/vusb.mk | 12 ++++---- protocol/vusb/bootloader_usbasp.c | 47 ------------------------------- 3 files changed, 37 insertions(+), 52 deletions(-) delete mode 100644 protocol/vusb/bootloader_usbasp.c diff --git a/common/bootloader.c b/common/bootloader.c index e45295cd..612b9496 100644 --- a/common/bootloader.c +++ b/common/bootloader.c @@ -24,12 +24,22 @@ void bootloader_jump(void) { cli(); + + // + //Teensy + // +#if defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) // disable watchdog, if enabled // disable all peripherals UDCON = 1; USBCON = (1< - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see . -*/ - -#include -#include -#include "bootloader.h" - - -void bootloader_jump(void) { - cli(); - // This makes custom USBasploader come up. - MCUSR = 0; - - // ATmega168PA - // initialize ports - PORTB = 0; PORTC= 0; PORTD = 0; - DDRB = 0; DDRC= 0; DDRD = 0; - - // disable interrupts - EIMSK = 0; EECR = 0; SPCR = 0; - ACSR = 0; SPMCSR = 0; WDTCSR = 0; PCICR = 0; - TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; - ADCSRA = 0; TWCR = 0; UCSR0B = 0; - - // Boot Loader Section Start Address: - // BOOTSZ Size Address - // (lock bit) (word) (word) (byte) - // '11' 128 0x1F80 0x3F00 - // '10' 256 0x1F00 0x3E00 - // '01' 512 0x1E00 0x3C00 - // '00' 1024 0x1C00 0x3800 - asm volatile("jmp 0x3800"); -}