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Increase delay when polling navswitch

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Michael Hayes
2013-09-06 10:57:43 +12:00
parent 22ec7e2416
commit 20031f941e
1 changed files with 4 additions and 2 deletions
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drivers/navswitch.c
+4 -2
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@@ -127,8 +127,10 @@ navswitch_update (void)
/* I'm unsure why this is needed. It wasn't required for the /* I'm unsure why this is needed. It wasn't required for the
slightly slower PIO implementation. There may be a minimum slightly slower PIO implementation. There may be a minimum
number of CPU clock cycles for the synchronising flip flops number of CPU clock cycles for the synchronising flip flops
to propagate the input state? */ to propagate the input state? For some reason the boards
DELAY_US (1.0); made in 2013 need a longer delay. Increasing the charge
time before switching to an input does not help.*/
DELAY_US (2.0);
navswitch_state[i].current = pio_input_get (navswitch_cfg[i].pio) == 0; navswitch_state[i].current = pio_input_get (navswitch_cfg[i].pio) == 0;