From 1591764cfbc39e73c6f32e9b805d596379866ff0 Mon Sep 17 00:00:00 2001 From: tmk Date: Sat, 2 Nov 2013 03:06:51 +0900 Subject: [PATCH] Tweak time values of busywait PS/2 --- protocol/ps2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/protocol/ps2.c b/protocol/ps2.c index ed456091..4c6c2fcb 100644 --- a/protocol/ps2.c +++ b/protocol/ps2.c @@ -109,12 +109,12 @@ uint8_t ps2_host_send(uint8_t data) #endif /* terminate a transmission if we have */ inhibit(); - _delay_us(100); + _delay_us(200); // at least 100us /* start bit [1] */ data_lo(); clock_hi(); - WAIT(clock_lo, 15000, 1); + WAIT(clock_lo, 20000, 10); // may take 15ms at most until device starts clocking /* data [2-9] */ for (uint8_t i = 0; i < 8; i++) { _delay_us(15); @@ -167,7 +167,7 @@ uint8_t ps2_host_recv_response(void) idle(); /* wait start bit */ - wait_clock_lo(2000); + wait_clock_lo(25000); // command response may take 20 ms at most data = recv_data(); inhibit(); -- 2.46.2