introduce new feature: BOOTLOADER_ABORTTIMEOUTONACT

[pub/USBaspLoader.git] / firmware / main.c

diff --git a/firmware/main.c b/firmware/main.c
index 98703f9..d08ed23 100644 (file)
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -493,9 +493,9 @@ static uchar    replyBuffer[4];
     }else if(rq->bRequest == USBASP_FUNC_DISCONNECT){
 
 #if BOOTLOADER_CAN_EXIT
-#      if (BOOTLOADER_LOOPCYCLES_TIMEOUT)
-      timeout_remaining = BOOTLOADER_LOOPCYCLES_TIMEOUT;
-      stayinloader         = (0xfe);
+#      ifdef CONFIG_HAVE__BOOTLOADER_ABORTTIMEOUTONACT
+      /* let the main loop know for ever that here was activity */
+      stayinloader        &= (0xfc);
 #      else
       stayinloader        &= (0xfe);
 #      endif
@@ -766,10 +766,19 @@ int __attribute__((__noreturn__)) main(void)
         initForUsbConnectivity();
         do{
 #if ((BOOTLOADER_LOOPCYCLES_TIMEOUT) && (BOOTLOADER_CAN_EXIT))
-       __loopscycles++;
-       if (!(__loopscycles)) {
-         if(timeout_remaining) timeout_remaining--;
-         else                  stayinloader&=0xf1;
+#      ifdef CONFIG_HAVE__BOOTLOADER_ABORTTIMEOUTONACT
+       if (stayinloader != 0x0e) {
+         /* can be reached, since high-nibble is decreased every cycle... */
+#else
+       if (stayinloader & 0x01) {
+#endif
+         timeout_remaining = BOOTLOADER_LOOPCYCLES_TIMEOUT;
+       } else {
+         __loopscycles++;
+         if (!(__loopscycles)) {
+           if(timeout_remaining)       timeout_remaining--;
+           else                        stayinloader&=0xf1;
+         }
        }
 #endif
             usbPoll();