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For Apple Silicon use the temperature sensors from IOKIT

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This commit is contained in:
Raafat Akkad
2022-12-02 23:34:35 +00:00
parent 71c252571f
commit 346eceb501
8 changed files with 150 additions and 22 deletions
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1
Classes/FanControl.h
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@ -25,6 +25,7 @@
#import "NSFileManager+DirectoryLocations.h"
#import "smc.h"
#import "smcWrapper.h"
#import "IOKitSensor.h"
#import "MachineDefaults.h"
#import "Power.h"

18
Classes/FanControl.m
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@ -150,7 +150,11 @@ NSUserDefaults *defaults;
@0, PREF_AC_SELECTION,
@0, PREF_CHARGING_SELECTION,
@0, PREF_MENU_DISPLAYMODE,
[MachineDefaults isAppleSilicon] ? @"Tp0D" : @"TC0D", PREF_TEMPERATURE_SENSOR,
#if TARGET_CPU_ARM64
@"",PREF_TEMPERATURE_SENSOR,
#else
@"TC0D",PREF_TEMPERATURE_SENSOR,
#endif
@0, PREF_NUMBEROF_LAUNCHES,
@NO,PREF_DONATIONMESSAGE_DISPLAY,
[NSArchiver archivedDataWithRootObject:[NSColor blackColor]],PREF_MENU_TEXTCOLOR,
@ -399,7 +403,11 @@ NSUserDefaults *defaults;
if (bNeedTemp == true) {
// Read current temperature and format text for the menubar.
#if TARGET_CPU_ARM64
c_temp = [IOKitSensor getSOCTemperature];
#else
c_temp = [smcWrapper get_maintemp];
#endif
if ([[defaults objectForKey:PREF_TEMP_UNIT] intValue]==0) {
temp = [NSString stringWithFormat:@"%@%CC",@(c_temp),(unsigned short)0xb0];
@ -741,10 +749,10 @@ NSUserDefaults *defaults;
#pragma mark **Power Watchdog-Methods**
- (void)systemWillSleep:(id)sender{
if ([MachineDefaults isAppleSilicon]) {
[FanControl setRights];
[self setFansToAuto:true];
}
#if TARGET_CPU_ARM64
[FanControl setRights];
[self setFansToAuto:true];
#endif
}
- (void)systemDidWakeFromSleep:(id)sender{

57
Classes/IOKitSensor.h Normal file
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@ -0,0 +1,57 @@
/*
* FanControl
*
* Copyright (c) 2006-2012 Hendrik Holtmann
*
* Sensor.h - MacBook(Pro) FanControl application
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import <Foundation/Foundation.h>
#import <IOKit/hidsystem/IOHIDEventSystemClient.h>
#import <IOKit/hidsystem/IOHIDServiceClient.h>
// https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-1035.70.7/IOHIDFamily/AppleHIDUsageTables.h.auto.html
#define kHIDPage_AppleVendor 0xff00
#define kHIDUsage_AppleVendor_TemperatureSensor 0x0005
// https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-1035.70.7/IOHIDFamily/IOHIDEventTypes.h.auto.html
#ifdef __LP64__
typedef double IOHIDFloat;
#else
typedef float IOHIDFloat;
#endif
// https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-1035.70.7/IOHIDFamily/IOHIDEventTypes.h.auto.html
#define IOHIDEventFieldBase(type) (type << 16)
#define kIOHIDEventTypeTemperature 15
typedef struct __IOHIDEvent *IOHIDEventRef;
typedef struct __IOHIDServiceClient *IOHIDServiceClientRef;
IOHIDEventSystemClientRef IOHIDEventSystemClientCreate(CFAllocatorRef);
void IOHIDEventSystemClientSetMatching(IOHIDEventSystemClientRef, CFDictionaryRef);
IOHIDEventRef IOHIDServiceClientCopyEvent(IOHIDServiceClientRef, int64_t, int32_t, int64_t);
IOHIDFloat IOHIDEventGetFloatValue(IOHIDEventRef event, uint32_t field);
@interface IOKitSensor : NSObject {
}
+ (float) getSOCTemperature;
@end

72
Classes/IOKitSensor.m Normal file
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@ -0,0 +1,72 @@
/*
* FanControl
*
* Copyright (c) 2006-2012 Hendrik Holtmann
*
* Sensor.m - MacBook(Pro) FanControl application
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "IOKitSensor.h"
@implementation IOKitSensor
static BOOL isSOCSensor(CFStringRef sensorName) {
return CFStringHasPrefix(sensorName, CFSTR("PMU")) &&
!CFStringHasSuffix(sensorName, CFSTR("tcal")); // Ignore "PMU tcal" as it seems static
}
static float toOneDecimalPlace(float value) {
return roundf(10.0f * value) / 10.0f;
}
+ (float) getSOCTemperature {
IOHIDEventSystemClientRef eventSystemClient = IOHIDEventSystemClientCreate(kCFAllocatorDefault);
CFArrayRef services = IOHIDEventSystemClientCopyServices(eventSystemClient);
if (services) {
float socSensorSum = 0.0f;
int socSensorCount = 0;
for (int i = 0; i < CFArrayGetCount(services); i++) {
IOHIDServiceClientRef serviceClientRef = (IOHIDServiceClientRef)CFArrayGetValueAtIndex(services, i);
CFStringRef sensorName = IOHIDServiceClientCopyProperty(serviceClientRef, CFSTR("Product"));
if (sensorName) {
if (isSOCSensor(sensorName)) {
IOHIDEventRef event = IOHIDServiceClientCopyEvent(serviceClientRef, kIOHIDEventTypeTemperature, 0, 0);
if (event) {
IOHIDFloat sensorTemperature = IOHIDEventGetFloatValue(event, IOHIDEventFieldBase(kIOHIDEventTypeTemperature));
CFRelease(event);
socSensorSum += sensorTemperature;
socSensorCount++;
}
}
CFRelease(sensorName);
}
}
CFRelease(services);
CFRelease(eventSystemClient);
float avgSOCTemp = socSensorCount > 0 ? socSensorSum / socSensorCount: 0.0f;
return toOneDecimalPlace(avgSOCTemp);
}
return 0.0f;
}
@end

1
Classes/MachineDefaults.h
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@ -30,7 +30,6 @@
int machine_num;
}
+ (BOOL)isAppleSilicon;
+ (NSString *)computerModel;
- (instancetype)init:(NSString*)p_machine ;

11
Classes/MachineDefaults.m
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@ -22,9 +22,6 @@
#import "MachineDefaults.h"
#import "NSFileManager+DirectoryLocations.h"
#include <sys/types.h>
#include <sys/sysctl.h>
#include <mach/machine.h>
@interface MachineDefaults ()
{
@ -126,14 +123,6 @@
return defaultsDict;
}
+ (BOOL)isAppleSilicon
{
cpu_type_t cpu_type;
size_t size = sizeof(cpu_type);
sysctlbyname("hw.cputype", &cpu_type, &size, NULL, 0);
return cpu_type == CPU_TYPE_ARM64;
}
+ (NSString *)computerModel
{
static NSString *computerModel = nil;

6
Classes/smcWrapper.m
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@ -70,11 +70,7 @@ NSArray *allSensors;
NSString *sensor = [[NSUserDefaults standardUserDefaults] objectForKey:PREF_TEMPERATURE_SENSOR];
SMCReadKey2((char*)[sensor UTF8String], &val,conn);
retValue = [self convertToNumber:val];
if ([MachineDefaults isAppleSilicon]) {
allSensors = [NSArray arrayWithObjects:@"Tp0D",@"Tp0P",nil];
} else {
allSensors = [NSArray arrayWithObjects:@"TC0D",@"TC0P",@"TCAD",@"TC0H",@"TC0F",@"TCAH",@"TCBH",nil];
}
allSensors = [NSArray arrayWithObjects:@"TC0D",@"TC0P",@"TCAD",@"TC0H",@"TC0F",@"TCAH",@"TCBH",nil];
if (retValue<=0 || floor(retValue) == 129 ) { //workaround for some iMac Models
for (NSString *sensor in allSensors) {
SMCReadKey2((char*)[sensor UTF8String], &val,conn);