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Add bootmagic.c and fix bootloader_jump

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This commit is contained in:
tmk 2013-03-09 11:22:27 +09:00
parent 359b68d35f
commit 4d64fd8faa
9 changed files with 182 additions and 58 deletions
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1
common.mk
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@ -10,6 +10,7 @@ SRC += $(COMMON_DIR)/host.c \
$(COMMON_DIR)/print.c \
$(COMMON_DIR)/debug.c \
$(COMMON_DIR)/bootloader.c \
$(COMMON_DIR)/bootmagic.c \
$(COMMON_DIR)/eeconfig.c \
$(COMMON_DIR)/util.c

108
common/bootloader.c
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@ -1,15 +1,16 @@
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/wdt.h>
#include <util/delay.h>
#include "bootloader.h"
/* Start Bootloader from Application
* See
* http://www.pjrc.com/teensy/jump_to_bootloader.html
* http://www.fourwalledcubicle.com/files/LUFA/Doc/120219/html/_page__software_bootloader_start.html
*/
#ifdef PROTOCOL_LUFA
#include <LUFA/Drivers/USB/USB.h>
#endif
// TODO: support usbasp
/* Boot Section Size in bytes
* Teensy halfKay 512
* Atmel DFU loader 4096
@ -18,28 +19,82 @@
#ifndef BOOT_SIZE
#define BOOT_SIZE 512
#endif
#define FLASH_SIZE (FLASHEND + 1)
#define BOOTLOADER_START (FLASHEND - BOOT_SIZE)
#define BOOTLOADER_START (FLASH_SIZE - BOOT_SIZE)
/*
* Entering the Bootloader via Software
* http://www.fourwalledcubicle.com/files/LUFA/Doc/120730/html/_page__software_bootloader_start.html
*/
#define BOOTLOADER_RESET_KEY 0xB007B007
uint32_t reset_key __attribute__ ((section (".noinit")));
/* initialize MCU status by watchdog reset */
void bootloader_jump(void) {
#ifdef PROTOCOL_LUFA
USB_Disable();
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;
_delay_ms(2000);
#endif
#ifdef PROTOCOL_PJRC
cli();
UDCON = 1;
USBCON = (1<<FRZCLK);
UCSR1B = 0;
_delay_ms(5);
#endif
// watchdog reset
reset_key = BOOTLOADER_RESET_KEY;
wdt_enable(WDTO_250MS);
for (;;);
}
/* this runs before main() */
void bootloader_jump_after_watchdog_reset(void) __attribute__ ((used, naked, section (".init3")));
void bootloader_jump_after_watchdog_reset(void)
{
if ((MCUSR & (1<<WDRF)) && reset_key == BOOTLOADER_RESET_KEY) {
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
// This makes custom USBasploader come up.
MCUSR = 0;
#endif
reset_key = 0;
((void (*)(void))BOOTLOADER_START)();
}
}
#if 0
/* Jumping To The Bootloader
* http://www.pjrc.com/teensy/jump_to_bootloader.html
*
* This method doen't work when using LUFA. idk why.
* - needs to initialize more regisers or interrupt setting?
*/
void bootloader_jump(void) {
#ifdef PROTOCOL_LUFA
USB_Disable();
cli();
_delay_ms(2000);
#endif
#ifdef PROTOCOL_PJRC
cli();
UDCON = 1;
USBCON = (1<<FRZCLK);
UCSR1B = 0;
_delay_ms(5);
#endif
/*
* Initialize
*/
#if defined(__AVR_AT90USB162__)
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0;
TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0;
@ -62,10 +117,9 @@ void bootloader_jump(void) {
PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
#endif
//
//USBasp
//
/*
* USBaspLoader
*/
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
// This makes custom USBasploader come up.
MCUSR = 0;
@ -81,7 +135,7 @@ void bootloader_jump(void) {
ADCSRA = 0; TWCR = 0; UCSR0B = 0;
#endif
// start Bootloader
((void (*)(void))BOOTLOADER_START)();
}
#endif

45
common/bootmagic.c Normal file
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@ -0,0 +1,45 @@
#include <stdint.h>
#include <stdbool.h>
#include <util/delay.h>
#include "matrix.h"
#include "keymap.h"
#include "eeconfig.h"
#include "bootloader.h"
#include "bootmagic.h"
void bootmagic(void)
{
/* do scans in case of bounce */
uint8_t scan = 100;
while (scan--) { matrix_scan(); _delay_ms(1); }
if (!BOOTMAGIC_IS_ENABLE()) { return; }
if (bootmagic_scan_keycode(BOOTMAGIC_BOOTLOADER_KEY)) {
bootloader_jump();
}
if (bootmagic_scan_keycode(BOOTMAGIC_DEBUG_ENABLE_KEY)) {
eeconfig_write_debug(eeconfig_read_debug() ^ EECONFIG_DEBUG_ENABLE);
}
if (bootmagic_scan_keycode(BOOTMAGIC_EEPROM_CLEAR_KEY)) {
eeconfig_init();
}
}
bool bootmagic_scan_keycode(uint8_t keycode)
{
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
matrix_row_t matrix_row = matrix_get_row(r);
for (uint8_t c = 0; c < MATRIX_COLS; c++) {
if (matrix_row & ((matrix_row_t)1<<c)) {
if (keycode == keymap_key_to_keycode(0, (key_t){ .row = r, .col = c })) {
return true;
}
}
}
}
return false;
}

39
common/bootmagic.h Normal file
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@ -0,0 +1,39 @@
#ifndef BOOTMAGIC_H
#define BOOTMAGIC_H
#ifndef BOOTMAGIC_IS_ENABLE
#define BOOTMAGIC_IS_ENABLE() true
#endif
/* bootloader */
#ifndef BOOTMAGIC_BOOTLOADER_KEY
#define BOOTMAGIC_BOOTLOADER_KEY KC_B
#endif
/* debug enable */
#ifndef BOOTMAGIC_DEBUG_ENABLE_KEY
#define BOOTMAGIC_DEBUG_ENABLE_KEY KC_D
#endif
/* eeprom clear */
#ifndef BOOTMAGIC_EEPROM_CLEAR_KEY
#define BOOTMAGIC_EEPROM_CLEAR_KEY KC_BSPACE
#endif
/* change default layer */
#ifndef BOOTMAGIC_DEFAULT_LAYER_0_KEY
#define BOOTMAGIC_DEFAULT_LAYER_0_KEY KC_0
#endif
#ifndef BOOTMAGIC_DEFAULT_LAYER_1_KEY
#define BOOTMAGIC_DEFAULT_LAYER_1_KEY KC_1
#endif
#ifndef BOOTMAGIC_DEFAULT_LAYER_2_KEY
#define BOOTMAGIC_DEFAULT_LAYER_2_KEY KC_2
#endif
#ifndef BOOTMAGIC_DEFAULT_LAYER_3_KEY
#define BOOTMAGIC_DEFAULT_LAYER_3_KEY KC_3
#endif
void bootmagic(void);
bool bootmagic_scan_keycode(uint8_t keycode);
#endif

4
common/command.c
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@ -109,7 +109,7 @@ static void command_common_help(void)
print("v: print device version & info\n");
print("t: print timer count\n");
print("s: print status\n");
print("e: print eeprom config\n");
print("e: print eeprom boot config\n");
#ifdef NKRO_ENABLE
print("n: toggle NKRO\n");
#endif
@ -127,8 +127,6 @@ static void print_eeprom_config(void)
{
uint8_t eebyte;
print("magic: "); print_hex16(eeprom_read_word((uint16_t)0)); print("\n");
eebyte = eeconfig_read_debug();
print("debug: "); print_hex8(eebyte); print("\n");

25
common/keyboard.c
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@ -28,7 +28,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "command.h"
#include "util.h"
#include "sendchar.h"
#include "bootloader.h"
#include "bootmagic.h"
#ifdef MOUSEKEY_ENABLE
#include "mousekey.h"
#endif
@ -64,27 +64,7 @@ void keyboard_init(void)
ps2_mouse_init();
#endif
/* matrix scan for boot magic keys */
#ifdef DEBOUNCE
uint8_t scan = DEBOUNCE * 2;
while (scan--) { matrix_scan(); _delay_ms(1); }
#else
matrix_scan();
#endif
/* boot magic keys */
#ifdef IS_BOOTMAGIC_BOOTLOADER
/* kick up bootloader */
if (IS_BOOTMAGIC_BOOTLOADER()) bootloader_jump();
#endif
#ifdef IS_BOOTMAGIC_DEBUG
if (IS_BOOTMAGIC_DEBUG()) {
eeconfig_write_debug(eeconfig_read_debug() ^ EECONFIG_DEBUG_ENABLE);
}
#endif
#ifdef IS_BOOTMAGIC_EEPROM_CLEAR
if (IS_BOOTMAGIC_EEPROM_CLEAR()) eeconfig_init();
#endif
bootmagic();
if (eeconfig_initialized()) {
uint8_t config;
@ -96,7 +76,6 @@ void keyboard_init(void)
} else {
eeconfig_init();
}
}
/*

6
keyboard/gh60/keymap.c
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@ -231,7 +231,8 @@ uint8_t keymap_key_to_keycode(uint8_t layer, key_t key)
if (layer < OVERLAYS_SIZE) {
return pgm_read_byte(&overlays[(layer)][(key.row)][(key.col)]);
} else {
debug("key_to_keycode: overlay "); debug_dec(layer); debug(" is invalid.\n");
// XXX: this may cuaes bootlaoder_jump incositent fail.
//debug("key_to_keycode: overlay "); debug_dec(layer); debug(" is invalid.\n");
return KC_TRANSPARENT;
}
}
@ -240,8 +241,9 @@ uint8_t keymap_key_to_keycode(uint8_t layer, key_t key)
if (layer < KEYMAPS_SIZE) {
return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
} else {
// XXX: this may cuaes bootlaoder_jump incositent fail.
//debug("key_to_keycode: base "); debug_dec(layer); debug(" is invalid.\n");
// fall back to layer 0
debug("key_to_keycode: base "); debug_dec(layer); debug(" is invalid.\n");
return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]);
}
}

4
protocol/lufa.mk
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@ -39,4 +39,6 @@ LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENAB
OPT_DEFS += -DF_USB=$(F_USB)UL
OPT_DEFS += -DARCH=ARCH_$(ARCH)
OPT_DEFS += $(LUFA_OPTS)
OPT_DEFS += -DHOST_LUFA
# This indicates using LUFA stack
OPT_DEFS += -DPROTOCOL_LUFA

8
protocol/pjrc.mk
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@ -1,7 +1,5 @@
PJRC_DIR = protocol/pjrc
OPT_DEFS += -DHOST_PJRC
SRC += $(PJRC_DIR)/main.c \
$(PJRC_DIR)/pjrc.c \
$(PJRC_DIR)/usb_keyboard.c \
@ -19,3 +17,9 @@ endif
# Search Path
VPATH += $(TOP_DIR)/$(PJRC_DIR)
# This indicates using LUFA stack
# TODO: remove HOST_PJRC
OPT_DEFS += -DHOST_PJRC
OPT_DEFS += -DPROTOCOL_PJRC