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https://github.com/Rockbox/rockbox.git
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Samsung YP-R0/YP-R1 Safe Mode improvement
This is an improvement for the special mode present in the samsung ypr0 target. Apart adding new useful functionalities, it fixes a random disconnection bug, solved by debouncing and fully support to YP-R1 target. This opens also the possibility to interface this operating mode to rockbox USB functionality. Change-Id: Id70541541fcfaa1234328485fab0696a3bd491c9
This commit is contained in:
Lorenzo Miori
Thomas Martitz
parent
5ef1e2dcfa
commit
66aa00d3e0
15 changed files with 412 additions and 146 deletions
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@ -1,20 +1,41 @@
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DEFINES=
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CC=gcc
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LD=gcc
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CFLAGS=-g -std=c99 -W -Wall $(DEFINES)
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LDFLAGS=
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BINS=fwcrypt fwdecrypt
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.PHONY: all clean dirs bmp2rb
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CFLAGS += -O1 -g -std=c99 -W -Wall $(DEFINES)
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PROGS = bmp2rb fwcrypt fwdecrypt
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CROSS_COMPILE = arm-ypr0-linux-gnueabi-
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R1_SAFEMODE_DIR = files/r1/etc/safemode
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R0_SAFEMODE_DIR = files/r0/etc/safemode
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DIRS = $(R1_SAFEMODE_DIR) $(R0_SAFEMODE_DIR)
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R1_IMAGES = $(subst .bmp,.raw,$(addprefix $(R1_SAFEMODE_DIR)/,$(notdir $(wildcard files/images/r1/*.bmp))))
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R0_IMAGES = $(subst .bmp,.raw,$(addprefix $(R0_SAFEMODE_DIR)/,$(notdir $(wildcard files/images/r0/*.bmp))))
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BMP2RB = ../../tools/bmp2rb
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all: $(BINS)
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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all: $(R1_SAFEMODE_DIR)/cable_detect $(PROGS) $(R1_IMAGES) $(R0_IMAGES)
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$(MAKE) -C cramfs-1.1
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fwdecrypt: fwdecrypt.o common.o ../../tools/fwpatcher/md5.o
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$(LD) -o $@ $^ $(LDFLAGS)
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fwcrypt: fwcrypt.o common.o ../../tools/fwpatcher/md5.o
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$(LD) -o $@ $^ $(LDFLAGS)
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$(BMP2RB):
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$(MAKE) -C ../../tools/ bmp2rb
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$(R1_SAFEMODE_DIR)/cable_detect: cable_detect.c $(R1_SAFEMODE_DIR)
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$(CROSS_COMPILE)$(CC) $(CFLAGS) $< -o $@
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$(R1_SAFEMODE_DIR)/%.raw: files/images/r1/%.bmp $(BMP2RB) $(R1_SAFEMODE_DIR)
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$(BMP2RB) -r -f 9 $< > $@
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$(R0_SAFEMODE_DIR)/%.raw: files/images/r0/%.bmp $(BMP2RB) $(R0_SAFEMODE_DIR)
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$(BMP2RB) -r -f 9 $< > $@
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$(DIRS):
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$(SILENT)mkdir -p $@
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dirs: $(DIRS)
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bmp2rb: $(BMP2RB)
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clean:
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rm -fr *.o $(BINS)
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$(MAKE) -C cramfs-1.1 clean
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rm -f *.o fwdecrypt fwcrypt
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rm -rf $(R1_SAFEMODE_DIR)/../../etc $(R0_SAFEMODE_DIR)/../../etc
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63
utils/ypr0tools/cable_detect.c
Normal file
63
utils/ypr0tools/cable_detect.c
Normal file
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@ -0,0 +1,63 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Samsung YP-R1 runtime USB cable detection
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*
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* Copyright (C) 2013 Lorenzo Miori
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <unistd.h>
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#define IOCTL_PMU_MAGIC 'A'
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#define E_IOCTL_PMU_GET_BATT_LVL 0
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#define E_IOCTL_PMU_GET_CHG_STATUS 1
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#define E_IOCTL_PMU_IS_EXT_PWR 2
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#define E_IOCTL_PMU_STOP_CHG 3
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#define E_IOCTL_PMU_START_CHG 4
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#define E_IOCTL_PMU_IS_EXT_PWR_OVP 5
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#define E_IOCTL_PMU_LCD_DIM_CTRL 6
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#define E_IOCTL_PMU_CORE_CTL_HIGH 7
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#define E_IOCTL_PMU_CORE_CTL_LOW 8
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#define E_IOCTL_PMU_TSP_USB_PWR_OFF 9
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#define IOCTL_PMU_GET_BATT_LVL _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_GET_BATT_LVL)
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#define IOCTL_PMU_GET_CHG_STATUS _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_GET_CHG_STATUS)
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#define IOCTL_PMU_IS_EXT_PWR _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_IS_EXT_PWR)
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#define IOCTL_PMU_STOP_CHG _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_STOP_CHG)
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#define IOCTL_PMU_START_CHG _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_START_CHG)
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#define IOCTL_PMU_IS_EXT_PWR_OVP _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_IS_EXT_PWR_OVP)
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#define IOCTL_PMU_LCD_DIM_CTRL _IOW(IOCTL_PMU_MAGIC, E_IOCTL_PMU_LCD_DIM_CTRL, int)
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#define IOCTL_PMU_CORE_CTL_HIGH _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_CORE_CTL_HIGH)
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#define IOCTL_PMU_CORE_CTL_LOW _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_CORE_CTL_LOW)
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#define IOCTL_PMU_TSP_USB_PWR_OFF _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_TSP_USB_PWR_OFF)
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/*
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* This is a very simple program that runs on device.
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* It returns error code either 0 when (power/usb) cable
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* is not connected or >= 1 if connected.
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*/
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int main(void)
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{
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int state = -1;
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int dev = open("/dev/r1Pmu", O_RDONLY);
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state = ioctl(dev, IOCTL_PMU_IS_EXT_PWR);
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close(dev);
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return state;
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}
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@ -15,8 +15,8 @@ hwclock -s
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alias ls='ls --color=auto'
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alias ll='ls -l --color=auto'
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# Start with lorenzo92's safe mode
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SCRIPT="/etc/mods/safe_mode.sh"
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# Start with safe mode
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SCRIPT="/etc/safemode/smode"
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if [ -f $SCRIPT ]
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then
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/bin/sh $SCRIPT
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@ -29,24 +29,16 @@ then
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fi
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fi
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if [ -e "/mnt/media1/r0" ]
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# Ironically, r1's ROM contains a lot of r0's executables, including the main one.
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# So we need to check against r1 before!
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if [ -e "/usr/local/bin/r1" ]
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then
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MAINFILE="/mnt/media1/r0"
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elif [ -f "/mnt/media0/r0" ]
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then
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# copy to media1 since USB wouldn't work
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cp /mnt/media0/r0 /mnt/media1/r0_media0
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if [ "$?" = "0" ]
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then # perhaps cp failed due to insufficient storage or so
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MAINFILE="/mnt/media1/r0_media0"
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else
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MAINFILE="/usr/local/bin/r0"
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fi
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MAINFILE="/usr/local/bin/r1"
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else
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MAINFILE="/usr/local/bin/r0"
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fi
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# Parameters for r0
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# Parameters for the application
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MAINFILE_ARGV="Application AppMain"
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# source the rockbox loader script
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250
utils/ypr0tools/files/common/etc/safemode/smode
Executable file
250
utils/ypr0tools/files/common/etc/safemode/smode
Executable file
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@ -0,0 +1,250 @@
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#!/bin/sh
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######################################################################
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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#
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# * Safe Mode for Samsung YP-R0 / YP-R1 *
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# * Copyright (C) 2013 Lorenzo Miori and VanniX
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######################################################################
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# 0 = R0 ; 1 = R1
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PLATFORM=0
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BUTTON_DEVICE="/dev/r0Btn"
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PMK=$(echo -e -n "\x01") # same for both devices
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STORAGES="/dev/stl3,/dev/stl2,/dev/mmcblk0"
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MODE="normal"
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if [ $# -eq 1 ]
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then
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MODE=$1
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fi
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# rather simple but effective check
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# different key codes to trigger safe mode
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if [ -e "/usr/local/bin/r1" ]
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then
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# running on YP-R1 model
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BACK=$(echo -e -n "\x02")
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PLATFORM=1
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BUTTON_DEVICE="/dev/r1Button"
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STORAGES="/dev/stl3,/dev/stl2"
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else
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BACK=$(echo -e -n "\x08")
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PLATFORM=0
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BUTTON_DEVICE="/dev/r0Btn"
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STORAGES="/dev/stl3,/dev/stl2,/dev/mmcblk0"
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fi
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power_pressed()
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{
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VAR=$(dd if=$BUTTON_DEVICE bs=4 count=1)
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[[ "$VAR" = "$PMK" ]]
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return $?
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}
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cable_disconnected()
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{
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if [ $PLATFORM -eq 0 ]
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then
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/usr/local/bin/minird 0x0a | grep -q 0x00
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return $?
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else
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/etc/safemode/cable_detect
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return $?
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fi
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}
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enable_display()
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{
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echo -n "0" > /sys/devices/platform/afe.0/bli
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echo -n "1" > /sys/class/graphics/fb0/blank
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echo -n "0" >> /sys/class/graphics/fb0/blank
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echo -n "1" > /sys/devices/platform/afe.0/bli
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}
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display_image()
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{
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cat $1 > "/dev/fb0"
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}
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if [ $MODE != "forced" ]
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then
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KEY=$(dd if=$BUTTON_DEVICE bs=4 count=1)
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if [[ "$KEY" != "$BACK" ]]; then
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# do not enter safe mode and continue normal boot
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exit 0
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fi
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fi
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# Here we entered safe mode, so first clean the display
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# and turn on backlight at minimum level
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enable_display
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# there are different ROMs around...
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if [ -e "/etc/safemode/safemode.raw" ]
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then
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DefIMG="/etc/safemode/safemode.raw"
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else
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DefIMG="/etc/mods/safe_mode.raw"
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fi
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RbtIMG="/etc/safemode/post_smode.raw"
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PreIMG="/etc/safemode/pre_smode.raw"
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NOUSB=true
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if cable_disconnected
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then
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display_image $PreIMG
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while $NOUSB
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do
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# User aborts safe mode before mounting anything, just exit
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# and continue normal boot
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if power_pressed
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then
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sleep 1
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if power_pressed
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then
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exit 1
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fi
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fi
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if cable_disconnected
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then
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echo "USB not connected - Waiting"
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else
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sleep 1
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if cable_disconnected
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then
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echo "USB first check OK - Waiting"
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else
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sleep 1
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if cable_disconnected
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then
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echo "USB second check OK - Waiting"
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else
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NOUSB=false
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USB=true
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fi
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fi
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fi
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done
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else
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while $NOUSB
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do
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if cable_disconnected
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then
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echo "USB not connected - Waiting"
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else
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sleep 1
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if cable_disconnected
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then
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echo "USB first check OK - Waiting"
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else
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NOUSB=false
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USB=true
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fi
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fi
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done
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fi
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display_image $DefIMG
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echo "Enabling usb storage..."
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lsmod | grep g_file_storage
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if [ $? == 0 ]
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then
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umount /mnt/media1/dev/gadget
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fi
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umount /mnt/media1
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umount /mnt/media0
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lsmod | grep rfs
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if [ $? == 0 ]
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then
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rmmod rfs
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fi
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lsmod | grep g_file_storage
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if [ $? == 0 ]
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then
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rmmod gadgetfs
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rmmod g_file_storage
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rmmod arcotg_udc
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fi
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lsmod | grep g_serial
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if [ $? == 0 ]
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then
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rmmod g_serial
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fi
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lsmod | grep g_file_storage
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if [ $? != 0 ]
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then
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modprobe g-file-storage file=$STORAGES removable=1
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fi
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SAFE=true
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while $SAFE
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do
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if power_pressed
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then
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sleep 1
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if power_pressed
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then
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SAFE=false
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fi
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fi
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done
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echo "Removing loaded modules..."
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rmmod g_file_storage
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rmmod arcotg_udc
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display_image $RbtIMG
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USB=true
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while $USB
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do
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if cable_disconnected
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then
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sleep 1
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if cable_disconnected
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then
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if cable_disconnected
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then
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sleep 1
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if cable_disconnected
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then
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USB=false
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else
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echo "USB connected - Waiting"
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USB=true
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fi
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else
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echo "USB connected - Waiting"
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USB=true
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fi
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else
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echo "USB connected - Waiting"
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USB=true
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fi
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else
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echo "USB connected - Waiting"
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USB=true
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fi
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done
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#power key pressed for almost 2 sec and cable disconnected. Power off!
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exit 1
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@ -1,111 +0,0 @@
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#!/bin/sh
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# YP-R0 Safe Mode!!
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# - Part of the "Device Rescue Kit", modded ROM v2.20 and onwards
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# Version: v0.3
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# v0.2 - initial version
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# v0.3 - USB cable check implemented
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# by lorenzo92 aka Memory
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# memoryS60@gmail.com
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CustomIMG="/mnt/media1/safe_mode.raw"
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DefIMG="/etc/mods/safe_mode.raw"
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timer=0
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# Seconds before turning the device OFF
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timeout=2
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shutdown () {
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sync
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reboot
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}
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cableDaemon () {
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cd /usr/local/bin
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while [ 1 ]
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do
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if [ $timer -gt $timeout ]
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then
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shutdown
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fi
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if ./minird 0x0a | grep -q 0x00
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then
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timer=$(($timer+1))
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else
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timer=0
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fi
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sleep 1
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done
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}
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# Back button is a \x08\x00\x00\x00 string...
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# ...since bash removes null bytes for us, we must only care the single byte
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var=$(dd if=/dev/r0Btn bs=4 count=1)
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# Here a workaround to detect \x08 byte :S
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var2=$(echo -e -n "\x08")
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if [[ "$var" = "$var2" ]]
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then
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echo "Safe mode (USB) activated..."
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# Put the backlight at the minimum level: no energy waste, please ;)
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# Using low level interface
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cd /usr/local/bin
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./afewr 0x1b 0x3 0x8
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# Long press reset time 5 secs
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[ -e /etc/mods/reset_time_mod.sh ] && /bin/sh /etc/mods/reset_time_mod.sh
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# Clear the screen and show a nice picture :D
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echo -n "1" > /sys/class/graphics/fb0/blank
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echo -n "0" >> /sys/class/graphics/fb0/blank
|
||||
# echo -n "1" > /sys/class/graphics/fb2/blank
|
||||
# echo -n "0" >> /sys/class/graphics/fb2/blank
|
||||
if [ -e $CustomIMG ]
|
||||
then
|
||||
cat $CustomIMG > "/dev/fb0"
|
||||
else
|
||||
cat $DefIMG > "/dev/fb0"
|
||||
fi
|
||||
|
||||
# Here the real USB connection stuff
|
||||
# This is slightly modified by me; it was contained in the cramfs shipped with
|
||||
# YP-R0 opensource package...
|
||||
|
||||
lsmod | grep g_file_storage
|
||||
if [ $? == 0 ]
|
||||
then
|
||||
umount /mnt/media1/dev/gadget
|
||||
fi
|
||||
#if [ -d /mnt/media0 ]
|
||||
#then
|
||||
umount /mnt/media1
|
||||
umount /mnt/media0
|
||||
#umount /mnt/mmc
|
||||
#fi
|
||||
lsmod | grep rfs
|
||||
if [ $? == 0 ]
|
||||
then
|
||||
rmmod rfs
|
||||
fi
|
||||
lsmod | grep g_file_storage
|
||||
if [ $? == 0 ]
|
||||
then
|
||||
rmmod gadgetfs
|
||||
rmmod g_file_storage
|
||||
rmmod arcotg_udc
|
||||
fi
|
||||
lsmod | grep g_file_storage
|
||||
if [ $? != 0 ]
|
||||
then
|
||||
modprobe g-file-storage file=/dev/stl3,/dev/stl2,/dev/mmcblk0 removable=1
|
||||
fi
|
||||
|
||||
# Let's implement the check if usb cable is still inserted or not...
|
||||
cableDaemon
|
||||
|
||||
return 1
|
||||
else
|
||||
return 0
|
||||
fi
|
||||
BIN
utils/ypr0tools/files/images/r0/post_smode.bmp
Normal file
BIN
utils/ypr0tools/files/images/r0/post_smode.bmp
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 225 KiB |
BIN
utils/ypr0tools/files/images/r0/pre_smode.bmp
Normal file
BIN
utils/ypr0tools/files/images/r0/pre_smode.bmp
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 225 KiB |
Binary file not shown.
|
Before Width: | Height: | Size: 225 KiB After Width: | Height: | Size: 225 KiB |
BIN
utils/ypr0tools/files/images/r1/post_smode.bmp
Normal file
BIN
utils/ypr0tools/files/images/r1/post_smode.bmp
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 281 KiB |
BIN
utils/ypr0tools/files/images/r1/pre_smode.bmp
Normal file
BIN
utils/ypr0tools/files/images/r1/pre_smode.bmp
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 281 KiB |
BIN
utils/ypr0tools/files/images/r1/safemode.bmp
Normal file
BIN
utils/ypr0tools/files/images/r1/safemode.bmp
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 281 KiB |
|
|
@ -11,19 +11,21 @@
|
|||
#
|
||||
# * Script to patch an unpacked Samsung YP-R0 firmware file */
|
||||
# Copyright (C) 2011 Thomas Martitz
|
||||
# Copyright (C) 2013 Lorenzo Miori
|
||||
######################################################################
|
||||
# bail out early
|
||||
set -e
|
||||
|
||||
if [ $# -lt 1 ] || [ $# -gt 2 ]; then
|
||||
echo "Usage: $0 <files path> [path to unpacked rom]"
|
||||
echo "\t<files path> is expected to have a rootfs layout and to contain"
|
||||
echo "\tonly the files to overwrite (plain cp -r is used)"
|
||||
echo "\t<files path> is expected to have a special resources and rootfs layout"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
MODEL="unknown"
|
||||
FILES=${1%/}
|
||||
FILES=${FILES:-"/"}
|
||||
COMMON_FILES="$FILES/common"
|
||||
DIR=${2:-"."}
|
||||
DIR=${DIR%/}
|
||||
ROOTFS=$DIR/rootfs
|
||||
|
|
@ -31,6 +33,35 @@ CRAMFS=$DIR/cramfs-fsl.rom
|
|||
|
||||
# sanity checks
|
||||
|
||||
for subdir in common r0 r1
|
||||
do
|
||||
if [ ! -d "$FILES/$subdir" ]
|
||||
then
|
||||
echo "Missing $FILES/$subdir. Invalid $FILES layout."
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
|
||||
if [ ! -e "$FILES/r1/etc/safemode/cable_detect" ]
|
||||
then
|
||||
echo "Couldn't find cable_detect binary (try 'make' or select a valid layout directory)"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
for image in pre_smode.raw post_smode.raw safemode.raw
|
||||
do
|
||||
if [ ! -e "$FILES/r1/etc/safemode/$image" ]
|
||||
then
|
||||
echo "Missing r1 .raw image file (try 'make'): $image"
|
||||
exit 1
|
||||
fi
|
||||
if [ ! -e "$FILES/r0/etc/safemode/$image" ]
|
||||
then
|
||||
echo "Missing r0 .raw image file (try 'make'): $image"
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
|
||||
# this needs to be run as root!
|
||||
if [ $(whoami) != "root" ]
|
||||
then
|
||||
|
|
@ -55,13 +86,33 @@ fi
|
|||
|
||||
echo "Extracting cramfs image"
|
||||
|
||||
[ ! -e $ROOTFS ] || rmdir -p $ROOTFS
|
||||
[ ! -e $ROOTFS ] || rm -R $ROOTFS
|
||||
cramfs-1.1/cramfsck -x $ROOTFS $CRAMFS
|
||||
|
||||
echo "Patching rootfs"
|
||||
echo "cp -r $FILES/* $ROOTFS/"
|
||||
cp -r $FILES/.rockbox $ROOTFS/
|
||||
cp -r $FILES/* $ROOTFS/
|
||||
# now we can detect player version
|
||||
# NOTE: order is important here, since ironically
|
||||
# r1's ROM contains also r0's executables
|
||||
if [ -e "$ROOTFS/usr/local/bin/r1" ]
|
||||
then
|
||||
MODEL="r1"
|
||||
else
|
||||
if [ -e "$ROOTFS/usr/local/bin/r0" ]
|
||||
then
|
||||
MODEL="r0"
|
||||
fi
|
||||
fi
|
||||
|
||||
echo "$MODEL ROM found."
|
||||
|
||||
echo "Patching rootfs (common files)"
|
||||
echo "cp -r $COMMON_FILES/* $ROOTFS/"
|
||||
cp -r $COMMON_FILES/.rockbox $ROOTFS/
|
||||
cp -r $COMMON_FILES/* $ROOTFS/
|
||||
|
||||
echo "Patching rootfs ($MODEL files)"
|
||||
MODEL_FILES="$FILES/$MODEL"
|
||||
echo "cp -r $MODEL_FILES/* $ROOTFS/"
|
||||
cp -r $MODEL_FILES/* $ROOTFS/
|
||||
|
||||
echo "Packing new cramfs image"
|
||||
cramfs-1.1/mkcramfs $ROOTFS $CRAMFS
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue