diff options
author | tmk <nobody@nowhere> | 2012-06-30 14:44:14 +0900 |
---|---|---|
committer | tmk <nobody@nowhere> | 2012-06-30 14:44:14 +0900 |
commit | 6d79e6579f1b769f3547856b8af56bd357580adf (patch) | |
tree | 68e235f3802d21ac40541446c2c23fdbbeb5c18f | |
parent | 2c5d3ac76f0ef3c72aa0416aef8b775864b50eb1 (diff) |
Add support of USBasp bootloader.
-rw-r--r-- | common/bootloader.c | 30 | ||||
-rw-r--r-- | protocol/vusb.mk | 12 | ||||
-rw-r--r-- | protocol/vusb/bootloader_usbasp.c | 47 |
3 files changed, 37 insertions, 52 deletions
diff --git a/common/bootloader.c b/common/bootloader.c index e45295cd5f..612b949648 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<<FRZCLK); // disable USB UCSR1B = 0; _delay_ms(5); +#else + // This makes custom USBasploader come up. + MCUSR = 0; +#endif + #if defined(__AVR_AT90USB162__) EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0; @@ -52,6 +62,26 @@ void bootloader_jump(void) { PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0; #endif + + // + //USBasp + // +#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P) + // This makes custom USBasploader come up. + MCUSR = 0; + + // 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; +#endif + + // start Bootloader ((void (*)(void))BOOTLOADER_START)(); } diff --git a/protocol/vusb.mk b/protocol/vusb.mk index 9e8e1fb39e..4c5058115b 100644 --- a/protocol/vusb.mk +++ b/protocol/vusb.mk @@ -1,10 +1,12 @@ +VUSB_DIR = protocol/vusb + OPT_DEFS += -DHOST_VUSB -SRC += vusb.c \ - usbdrv.c \ - usbdrvasm.S \ - oddebug.c \ - bootloader_usbasp.c \ +SRC += $(VUSB_DIR)/main.c \ + $(VUSB_DIR)/vusb.c \ + $(VUSB_DIR)/usbdrv/usbdrv.c \ + $(VUSB_DIR)/usbdrv/usbdrvasm.S \ + $(VUSB_DIR)/usbdrv/oddebug.c ifdef NO_UART diff --git a/protocol/vusb/bootloader_usbasp.c b/protocol/vusb/bootloader_usbasp.c deleted file mode 100644 index 6ec99cbf2d..0000000000 --- a/protocol/vusb/bootloader_usbasp.c +++ /dev/null @@ -1,47 +0,0 @@ -/* -Copyright 2011 Jun Wako <wakojun@gmail.com> - -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 <http://www.gnu.org/licenses/>. -*/ - -#include <avr/io.h> -#include <avr/interrupt.h> -#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"); -} |