hodasemi/rs-dht-pio
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force high on start (seems better...)

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Jonathan BAUDIN 2023-09-09 22:21:55 +02:00
parent d8e2396259
commit 568f843bc9
1 changed files with 2 additions and 1 deletions
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src/dht.pio
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@ -2,10 +2,11 @@
.program dht .program dht
; Clock must be set for 1µs per instruction ; 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 pull block ; Wait for start
set x, 31 ; set x register with 31 (for 31 * 32 µS) 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 set pins, 0 ; set pin to low
loop_init_low: ; wait 992 ms loop_init_low: ; wait 992 ms
jmp x-- loop_init_low [31] jmp x-- loop_init_low [31]