added pullup test

6 years ago · 07ea618e50
parent 4ecd3074f5
commit 07ea618e50
1 changed files with 1 additions and 0 deletions
--- a/afsk/main.c
+++ b/afsk/main.c
@ -268,6 +268,7 @@ int main(int argc, char *argv[]) {
  pinMode (0, OUTPUT);
  pinMode (2, OUTPUT);
  pinMode (3, INPUT);
+  pullUpDnControl (3, PUD_UP);

  printf("Reading: %d\n", digitalRead(3));