avr: "Utils_WaitNanoSecs 100000" doesn't work at 8MHz (too many cycles).

2024-09-13 21:40:22 +02:00
parent cdcb4e2b3e
commit 2d09e22ec6
2 changed files with 22 additions and 7 deletions
--- a/avr/modules/si7021/main.asm
+++ b/avr/modules/si7021/main.asm
@@ -294,8 +294,9 @@ si7021MeasureAny_loop:                     ; (R22)
    rcall twiSendByteExpectAck             ; (R16, R17, R18, R22)
    brcs si7021MeasureAny_gotValue         ; chip responds, receive values
    dec r14
-    breq si7021MeasureAny_error   ; timeout
-    Utils_WaitNanoSecs 100000, 0, r22
+    breq si7021MeasureAny_error            ; timeout
+    rcall Utils_WaitFor50MicroSecs         ; wait for 100usecs total
+    rcall Utils_WaitFor50MicroSecs
  rjmp si7021MeasureAny_loop
  
 si7021MeasureAny_gotValue: