Fix for potential double interrupt on Teensy 4.1 PIT timers

2024-07-09 12:31:31 +10:00 · 2024-07-09 12:31:31 +10:00 · dd41d64dc6
parent dd9881c62d
commit dd41d64dc6
1 changed files with 1 additions and 0 deletions
--- a/speeduino/board_teensy41.cpp
+++ b/speeduino/board_teensy41.cpp
@ -224,6 +224,7 @@ void PIT_isr()
  else if(interrupt2) { PIT_TFLG1 = 1; boostInterrupt(); }
  else if(interrupt3) { PIT_TFLG2 = 1; vvtInterrupt();   }
  else if(interrupt4) { PIT_TFLG3 = 1; oneMSInterval();  }
+  asm volatile ("dsb") ;
 }

 void TMR1_isr(void)