MikuPi/MikuPi.c
2016-05-30 23:14:04 +08:00

124 lines
2.7 KiB
C
Executable File

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "MikuPi.h"
const char *piModelNames [7] =
{
"Unknown",
"BPI-M1",
"BPI-R1",
"BPI-M2",
"BPI-M1+",
"BPI-M3",
"BPI-M2+",
} ;
int MikuPiDebug = FALSE;
void delay(unsigned int howLong)
{
struct timespec sleeper, dummy ;
sleeper.tv_sec = (time_t)(howLong / 1000) ;
sleeper.tv_nsec = (long)(howLong % 1000) * 1000000 ;
nanosleep (&sleeper, &dummy) ;
}
static void piBoardRevOops (const char *why)
{
fprintf (stderr, "piBoardRev: Unable to determine board revision from /proc/cpuinfo\n") ;
fprintf (stderr, " -> %s\n", why) ;
fprintf (stderr, " -> You may want to check:\n") ;
fprintf (stderr, " -> http://MikuQ.com\n") ;
exit (EXIT_FAILURE) ;
}
void piBoardId(int *model, int *mem)
{
FILE *cpuFd ;
char line [120] ;
char *d;
int processorCount=0;
if ((cpuFd = fopen ("/proc/cpuinfo", "r")) == NULL)
piBoardRevOops ("Unable to open /proc/cpuinfo") ;
while (fgets (line, 120, cpuFd) != NULL)
{
if (strncmp (line, "processor", 9) == 0)
processorCount++;
if (strncmp (line, "Hardware", 8) == 0)
break;
}
fclose (cpuFd) ;
if (strncmp (line, "Hardware", 8) != 0)
piBoardRevOops ("No \"Hardware\" line") ;
for (d = &line [strlen (line) - 1] ; (*d == '\n') || (*d == '\r') ; --d)
*d = 0 ;
if (MikuPiDebug)
printf ("piboardRev: Hardware string: %s\n", line) ;
if (strstr(line,"sun8i") != NULL)
{
if (processorCount==4)
{
//H3-M2p
*model = PI_MODEL_M2p;
*mem = 1024;
}
if (processorCount==8)
{
//A83T-M3
*model = PI_MODEL_M3;
*mem = 2048;
}
if (MikuPiDebug)
{
printf ("Hardware:%s\n",line) ;
printf ("processorCount:%d\n",processorCount) ;
}
}
else if (strstr(line,"sun7i") != NULL)
{
*model = PI_MODEL_M1;
*mem = 1024;
}
else if (strstr(line,"sun6i") != NULL)
{
*model = PI_MODEL_M2;
*mem = 1024;
}
else
{
*model = PI_MODEL_UNKNOWN;
*mem = 0;
if (MikuPiDebug)
printf ("Hardware:%s\n",line) ;
}
}
void sayhello()
{
int model, mem;
printf("Welcome to MikuQ.com! MikuDuino for BananaPi version: %s\n", VERSION);
piBoardId (&model, &mem);
if (model == PI_MODEL_UNKNOWN)
{
printf ("Your Pi has an unknown model type. Please report this to\n") ;
printf (" i@mikuq.com\n") ;
printf ("with a copy of your /proc/cpuinfo if possible\n") ;
}
else
{
printf ("BananaPi Details:\n") ;
printf (" Type: %s, Memory: %dMB\n",
piModelNames [model], mem) ;
}
}