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Add -t option to read temperatures

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This commit is contained in:
nandhp
2017-07-30 12:34:09 -05:00
parent 679e6c659c
commit 757dd0083f
2 changed files with 51 additions and 1 deletions
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51
smc-command/smc.c
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@ -549,12 +549,53 @@ kern_return_t SMCPrintFans(void)
return kIOReturnSuccess;
}
kern_return_t SMCPrintTemps(void)
{
kern_return_t result;
SMCKeyData_t inputStructure;
SMCKeyData_t outputStructure;
int totalKeys, i;
UInt32Char_t key;
SMCVal_t val;
totalKeys = SMCReadIndexCount();
for (i = 0; i < totalKeys; i++)
{
memset(&inputStructure, 0, sizeof(SMCKeyData_t));
memset(&outputStructure, 0, sizeof(SMCKeyData_t));
memset(&val, 0, sizeof(SMCVal_t));
inputStructure.data8 = SMC_CMD_READ_INDEX;
inputStructure.data32 = i;
result = SMCCall(KERNEL_INDEX_SMC, &inputStructure, &outputStructure);
if (result != kIOReturnSuccess)
continue;
_ultostr(key, outputStructure.key);
if ( key[0] != 'T' )
continue;
SMCReadKey(key, &val);
//printVal(val);
if (strcmp(val.dataType, DATATYPE_SP78) == 0 && val.dataSize == 2) {
printf("%-4s ", val.key);
printSP78(val);
printf("\n");
}
}
return kIOReturnSuccess;
}
void usage(char* prog)
{
printf("Apple System Management Control (SMC) tool %s\n", VERSION);
printf("Usage:\n");
printf("%s [options]\n", prog);
printf(" -f : fan info decoded\n");
printf(" -t : list all temperatures\n");
printf(" -h : help\n");
printf(" -k <key> : key to manipulate\n");
printf(" -l : list all keys and values\n");
@ -595,13 +636,16 @@ int main(int argc, char *argv[])
UInt32Char_t key = { 0 };
SMCVal_t val;
while ((c = getopt(argc, argv, "fhk:lrw:v")) != -1)
while ((c = getopt(argc, argv, "fthk:lrw:v")) != -1)
{
switch(c)
{
case 'f':
op = OP_READ_FAN;
break;
case 't':
op = OP_READ_TEMPS;
break;
case 'k':
strncpy(key, optarg, sizeof(key)); //fix for buffer overflow
key[sizeof(key) - 1] = '\0';
@ -675,6 +719,11 @@ int main(int argc, char *argv[])
if (result != kIOReturnSuccess)
printf("Error: SMCPrintFans() = %08x\n", result);
break;
case OP_READ_TEMPS:
result = SMCPrintTemps();
if (result != kIOReturnSuccess)
printf("Error: SMCPrintFans() = %08x\n", result);
break;
case OP_WRITE:
if (strlen(key) > 0)
{