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authortmk <nobody@nowhere>2012-06-30 14:44:14 +0900
committertmk <nobody@nowhere>2012-06-30 14:44:14 +0900
commit6d79e6579f1b769f3547856b8af56bd357580adf (patch)
tree68e235f3802d21ac40541446c2c23fdbbeb5c18f
parent2c5d3ac76f0ef3c72aa0416aef8b775864b50eb1 (diff)
Add support of USBasp bootloader.
-rw-r--r--common/bootloader.c30
-rw-r--r--protocol/vusb.mk12
-rw-r--r--protocol/vusb/bootloader_usbasp.c47
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");
-}