force high on start (seems better...)

2023-09-09 22:21:55 +02:00 · 2023-09-09 22:21:55 +02:00 · 568f843bc9
commit 568f843bc9
parent d8e2396259
1 changed files with 2 additions and 1 deletions
--- a/src/dht.pio
+++ b/src/dht.pio
@ -2,10 +2,11 @@
 .program dht
    ; Clock must be set for 1µs per instruction

+    set pindirs, 1      ; set pin as output
+    set pins, 1         ; set pin to high
    pull block          ; Wait for start

    set x, 31           ; set x register with 31 (for 31 * 32 µS)
-    set pindirs, 1      ; set pin as output
    set pins, 0         ; set pin to low
    loop_init_low:      ; wait 992 ms
        jmp x-- loop_init_low [31]