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| author | tmk <nobody@nowhere> | 2013-11-02 03:06:51 +0900 |
|---|---|---|
| committer | tmk <nobody@nowhere> | 2013-11-02 03:07:59 +0900 |
| commit | 1591764cfbc39e73c6f32e9b805d596379866ff0 (patch) | |
| tree | 4579897cd2b9a862236340b29ab1a1a9f830019a /protocol | |
| parent | eea3b699a6cf9976fc0179633feee6d079e5db78 (diff) | |
| download | qmk_firmware-1591764cfbc39e73c6f32e9b805d596379866ff0.tar.gz qmk_firmware-1591764cfbc39e73c6f32e9b805d596379866ff0.zip | |
Tweak time values of busywait PS/2
Diffstat (limited to 'protocol')
| -rw-r--r-- | protocol/ps2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/protocol/ps2.c b/protocol/ps2.c index ed45609104..4c6c2fcb27 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(); |