5cfd3ae4e6
This way we'll automatically close the files upon exec() Change-Id: Ic0daca8fb56432830de4a2f4a86a77337121ecc7
408 lines
9.2 KiB
C
408 lines
9.2 KiB
C
/***************************************************************************
|
|
* __________ __ ___
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
*
|
|
* Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
|
|
* Copyright (C) 2014 by Mario Basister: iBasso DX90 port
|
|
* Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
|
|
* Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
|
|
*
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "config.h"
|
|
#include "debug.h"
|
|
|
|
#include "debug-ibasso.h"
|
|
#include "sysfs-ibasso.h"
|
|
|
|
|
|
static const char* SYSFS_PATHS[] =
|
|
{
|
|
/* SYSFS_DX50_CODEC_VOLUME */
|
|
"/dev/codec_volume",
|
|
|
|
/* SYSFS_HOLDKEY */
|
|
"/sys/class/axppower/holdkey",
|
|
|
|
/* SYSFS_DX90_ES9018_VOLUME */
|
|
"/sys/class/codec/es9018_volume",
|
|
|
|
/* SYSFS_ES9018_FILTER */
|
|
"/sys/class/codec/es9018_filter",
|
|
|
|
/* SYSFS_MUTE */
|
|
"/sys/class/codec/mute",
|
|
|
|
/* SYSFS_WM8740_MUTE */
|
|
"/sys/class/codec/wm8740_mute",
|
|
|
|
/* SYSFS_BATTERY_CAPACITY */
|
|
"/sys/class/power_supply/battery/capacity",
|
|
|
|
/* SYSFS_BATTERY_CURRENT_NOW */
|
|
"/sys/class/power_supply/battery/current_now",
|
|
|
|
/* SYSFS_BATTERY_ENERGY_FULL_DESIGN */
|
|
"/sys/class/power_supply/battery/energy_full_design",
|
|
|
|
/* SYSFS_BATTERY_HEALTH */
|
|
"/sys/class/power_supply/battery/health",
|
|
|
|
/* SYSFS_BATTERY_MODEL_NAME */
|
|
"/sys/class/power_supply/battery/model_name",
|
|
|
|
/* SYSFS_BATTERY_ONLINE */
|
|
"/sys/class/power_supply/battery/online",
|
|
|
|
/* SYSFS_BATTERY_PRESENT */
|
|
"/sys/class/power_supply/battery/present",
|
|
|
|
/* SYSFS_BATTERY_STATUS */
|
|
"/sys/class/power_supply/battery/status",
|
|
|
|
/* SYSFS_BATTERY_TECHNOLOGY */
|
|
"/sys/class/power_supply/battery/technology",
|
|
|
|
/* SYSFS_BATTERY_TEMP */
|
|
"/sys/class/power_supply/battery/temp",
|
|
|
|
/* SYSFS_BATTERY_TYPE */
|
|
"/sys/class/power_supply/battery/type",
|
|
|
|
/* SYSFS_BATTERY_VOLTAGE_MAX_DESIGN */
|
|
"/sys/class/power_supply/battery/voltage_max_design",
|
|
|
|
/* SYSFS_BATTERY_VOLTAGE_MIN_DESIGN */
|
|
"/sys/class/power_supply/battery/voltage_min_design",
|
|
|
|
/* SYSFS_BATTERY_VOLTAGE_NOW */
|
|
"/sys/class/power_supply/battery/voltage_now",
|
|
|
|
/* SYSFS_USB_POWER_CURRENT_NOW */
|
|
"/sys/class/power_supply/usb/current_now",
|
|
|
|
/* SYSFS_USB_POWER_ONLINE */
|
|
"/sys/class/power_supply/usb/online",
|
|
|
|
/* SYSFS_USB_POWER_PRESENT */
|
|
"/sys/class/power_supply/usb/present",
|
|
|
|
/* SYSFS_USB_POWER_VOLTAGE_NOW */
|
|
"/sys/class/power_supply/usb/voltage_now",
|
|
|
|
/* SYSFS_BACKLIGHT_POWER */
|
|
"/sys/devices/platform/rk29_backlight/backlight/rk28_bl/bl_power",
|
|
|
|
/* SYSFS_BACKLIGHT_BRIGHTNESS */
|
|
"/sys/devices/platform/rk29_backlight/backlight/rk28_bl/brightness",
|
|
|
|
/* SYSFS_POWER_STATE */
|
|
"/sys/power/state",
|
|
|
|
/* SYSFS_POWER_WAKE_LOCK */
|
|
"/sys/power/wake_lock"
|
|
};
|
|
|
|
|
|
static FILE* open_read(const char* file_name)
|
|
{
|
|
FILE *f = fopen(file_name, "re");
|
|
if(f == NULL)
|
|
{
|
|
DEBUGF("ERROR %s: Can not open %s for reading.", __func__, file_name);
|
|
}
|
|
|
|
return f;
|
|
}
|
|
|
|
|
|
static FILE* open_write(const char* file_name)
|
|
{
|
|
FILE *f = fopen(file_name, "we");
|
|
if(f == NULL)
|
|
{
|
|
DEBUGF("ERROR %s: Can not open %s for writing.", __func__, file_name);
|
|
}
|
|
|
|
return f;
|
|
}
|
|
|
|
|
|
bool sysfs_get_int(enum sys_fs_interface_id id, int* value)
|
|
{
|
|
*value = -1;
|
|
|
|
switch(id)
|
|
{
|
|
case SYSFS_BATTERY_CAPACITY:
|
|
case SYSFS_BATTERY_CURRENT_NOW:
|
|
case SYSFS_BATTERY_ENERGY_FULL_DESIGN:
|
|
case SYSFS_BATTERY_ONLINE:
|
|
case SYSFS_BATTERY_PRESENT:
|
|
case SYSFS_BATTERY_TEMP:
|
|
case SYSFS_BATTERY_VOLTAGE_MAX_DESIGN:
|
|
case SYSFS_BATTERY_VOLTAGE_MIN_DESIGN:
|
|
case SYSFS_BATTERY_VOLTAGE_NOW:
|
|
case SYSFS_USB_POWER_CURRENT_NOW:
|
|
case SYSFS_USB_POWER_VOLTAGE_NOW:
|
|
case SYSFS_USB_POWER_ONLINE:
|
|
case SYSFS_USB_POWER_PRESENT:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s.", __func__, interface);*/
|
|
|
|
FILE *f = open_read(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fscanf(f, "%d", value) == EOF)
|
|
{
|
|
DEBUGF("ERROR %s: Read failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|
|
|
|
|
|
bool sysfs_set_int(enum sys_fs_interface_id id, int value)
|
|
{
|
|
switch(id)
|
|
{
|
|
case SYSFS_BACKLIGHT_POWER:
|
|
case SYSFS_BACKLIGHT_BRIGHTNESS:
|
|
case SYSFS_DX50_CODEC_VOLUME:
|
|
case SYSFS_DX90_ES9018_VOLUME:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s, value: %d.", __func__, interface, value);*/
|
|
|
|
FILE *f = open_write(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fprintf(f, "%d", value) < 1)
|
|
{
|
|
DEBUGF("ERROR %s: Write failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|
|
|
|
|
|
bool sysfs_get_char(enum sys_fs_interface_id id, char* value)
|
|
{
|
|
*value = '\0';
|
|
|
|
switch(id)
|
|
{
|
|
case SYSFS_HOLDKEY:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s.", __func__, interface);*/
|
|
|
|
FILE *f = open_read(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fscanf(f, "%c", value) == EOF)
|
|
{
|
|
DEBUGF("ERROR %s: Read failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|
|
|
|
|
|
bool sysfs_set_char(enum sys_fs_interface_id id, char value)
|
|
{
|
|
switch(id)
|
|
{
|
|
case SYSFS_MUTE:
|
|
case SYSFS_WM8740_MUTE:
|
|
case SYSFS_ES9018_FILTER:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s, value: %c.", __func__, interface, value);*/
|
|
|
|
FILE *f = open_write(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fprintf(f, "%c", value) < 1)
|
|
{
|
|
DEBUGF("ERROR %s: Write failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|
|
|
|
|
|
bool sysfs_get_string(enum sys_fs_interface_id id, char* value, int size)
|
|
{
|
|
value[0] = '\0';
|
|
|
|
switch(id)
|
|
{
|
|
case SYSFS_BATTERY_STATUS:
|
|
case SYSFS_BATTERY_HEALTH:
|
|
case SYSFS_BATTERY_MODEL_NAME:
|
|
case SYSFS_BATTERY_TECHNOLOGY:
|
|
case SYSFS_BATTERY_TYPE:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s, size: %d.", __func__, interface, size);*/
|
|
|
|
FILE *f = open_read(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fgets(value, size, f) == NULL)
|
|
{
|
|
DEBUGF("ERROR %s: Read failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
else
|
|
{
|
|
size_t length = strlen(value);
|
|
if((length > 0) && value[length - 1] == '\n')
|
|
{
|
|
value[length - 1] = '\0';
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|
|
|
|
|
|
bool sysfs_set_string(enum sys_fs_interface_id id, char* value)
|
|
{
|
|
switch(id)
|
|
{
|
|
case SYSFS_POWER_STATE:
|
|
case SYSFS_POWER_WAKE_LOCK:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const char* interface = SYSFS_PATHS[id];
|
|
|
|
/*DEBUGF("%s: interface: %s, value: %s.", __func__, interface, value);*/
|
|
|
|
FILE *f = open_write(interface);
|
|
if(f == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
if(fprintf(f, "%s", value) < 1)
|
|
{
|
|
DEBUGF("ERROR %s: Write failed for %s.", __func__, interface);
|
|
success = false;
|
|
}
|
|
|
|
fclose(f);
|
|
return success;
|
|
}
|