tmk
10 years ago
1 changed files with 3 additions and 3 deletions
+ 3
- 3
protocol/ps2.c
View File
| @@ -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(); | |||
Loading…