use hw_rev for board identification

pavel-demin · Jul 4, 2023 · b0941d4 · b0941d4
1 parent ddfefe2
commit b0941d4
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/alpine/apps/server/server.c b/alpine/apps/server/server.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
@@ -22,14 +23,16 @@ void detach(char *path)
   exit(0);
 }
 
-int main()
+int main(int argc, char *argv[])
 {
   FILE *fp;
   int fd, id, i, j, top;
   struct stat sb;
   size_t size;
   char buffer[256];
   char path[291];
+  char *end;
+  long freq;
   volatile int *slcr;
 
   if((fd = open("/dev/mem", O_RDWR)) < 0)
@@ -41,6 +44,12 @@ int main()
   slcr = mmap(NULL, sysconf(_SC_PAGESIZE), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0xF8000000);
   id = (slcr[332] >> 12) & 0x1f;
 
+  freq = (argc == 2) ? strtol(argv[1], &end, 10) : -1;
+  if(errno != 0 || end == argv[1] || freq < 0)
+  {
+    freq = 125;
+  }
+
   if(fgets(buffer, 256, stdin) == NULL)
   {
     fwrite(forbidden, 24, 1, stdout);
@@ -92,7 +101,7 @@ int main()
   {
     memcpy(path + 21 + i - 4, "/start.sh", 10);
     detach(path);
-    if(top && id == 7)
+    if(top && id == 7 && freq == 122)
     {
       memcpy(path + 21 + i - 4, "/index_122_88.html", 19);
     }

diff --git a/alpine/etc/local.d/apps.start b/alpine/etc/local.d/apps.start
@@ -1,2 +1,3 @@
-tcpserver -H -l 0 0 80 /media/mmcblk0p1/apps/server/server &
+freq=`fw_printenv -n hw_rev | awk -F _ '{print $2}' | awk -F - '{print $1}'`
+tcpserver -H -l 0 0 80 /media/mmcblk0p1/apps/server/server $freq &
 /media/mmcblk0p1/start.sh &