rockbox/firmware/target/hosted/ibasso/sysfs-ibasso.c
William Wilgus 79864c6ec2 add const to const * strings
I don't think this will amke any difference except maybe for hosted ports

Change-Id: I84f898aea92a6963901a6d889dd18b63f24c9a41
2022-05-03 23:00:58 -04:00

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* const 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;
}