reading '.' after every keyslot update

git-svn-id: https://svn.spreadspace.org/avr/trunk@82 aa12f405-d877-488e-9caf-2d797e2a1cc7

1 files changed, 13 insertions, 2 deletions

diff --git a/usb-i2c-sl018/update-keys.c b/usb-i2c-sl018/update-keys.c
index 6ea508a..ae22843 100644
--- a/usb-i2c-sl018/update-keys.c
+++ b/usb-i2c-sl018/update-keys.c
@@ -37,6 +37,16 @@ uint8_t generate_csum(keyslot_t data)
   return sum2<<4 | sum1;
 }
 
+void send_key(keyslot_t key, FILE* dev)
+{
+  fwrite(key, sizeof(keyslot_t), 1, dev);
+  char tmp;
+  while(fread(&tmp, 1, 1, dev)) {
+    fwrite(&tmp, 1, 1, stdout);
+    if(tmp == '.') break;
+  }
+}
+
 int main(int argc, char* argv[])
 {
   if(argc<2) {
@@ -94,7 +104,8 @@ int main(int argc, char* argv[])
       key[j] = 0;
     }
     key[sizeof(keyslot_t)-1] = generate_csum(key);
-    fwrite(key, sizeof(keyslot_t), 1, dev);
+    send_key(key, dev);
+
     key_num++;
     if(key_num > EEPROM_SIZE/sizeof(keyslot_t)) {
       fprintf(stderr, "reached maximum number of key slots (%d), will ignore remaining keys\n", EEPROM_SIZE/sizeof(keyslot_t));
@@ -107,7 +118,7 @@ int main(int argc, char* argv[])
   int i;
   for(i=0; i<=sizeof(keyslot_t)-1; ++i) key[i] = 0xFF;
   for(i=key_num; i < EEPROM_SIZE/sizeof(keyslot_t); ++i)
-    fwrite(key, sizeof(keyslot_t), 1, dev);
+    send_key(key, dev);
 
   char tmp;
   while(fread(&tmp, 1, 1, dev)) {