diff options
Diffstat (limited to 'platforms/avr/drivers/ps2/ps2_usart.c')
| -rw-r--r-- | platforms/avr/drivers/ps2/ps2_usart.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/platforms/avr/drivers/ps2/ps2_usart.c b/platforms/avr/drivers/ps2/ps2_usart.c index 151cfcd68f..39ec930d4a 100644 --- a/platforms/avr/drivers/ps2/ps2_usart.c +++ b/platforms/avr/drivers/ps2/ps2_usart.c @@ -76,7 +76,7 @@ static inline bool pbuf_has_data(void); static inline void pbuf_clear(void); void ps2_host_init(void) { - idle(); // without this many USART errors occur when cable is disconnected + idle(); // without this many USART errors occur when cable is disconnected PS2_USART_INIT(); PS2_USART_RX_INT_ON(); // POR(150-2000ms) plus BAT(300-500ms) may take 2.5sec([3]p.20) @@ -91,12 +91,12 @@ uint8_t ps2_host_send(uint8_t data) { /* terminate a transmission if we have */ inhibit(); - _delay_us(100); // [4]p.13 + _delay_us(100); // [4]p.13 /* 'Request to Send' and Start bit */ data_lo(); clock_hi(); - WAIT(clock_lo, 10000, 10); // 10ms [5]p.50 + WAIT(clock_lo, 10000, 10); // 10ms [5]p.50 /* Data bit[2-9] */ for (uint8_t i = 0; i < 8; i++) { @@ -165,7 +165,7 @@ uint8_t ps2_host_recv(void) { ISR(PS2_USART_RX_VECT) { // TODO: request RESEND when error occurs? - uint8_t error = PS2_USART_ERROR; // USART error should be read before data + uint8_t error = PS2_USART_ERROR; // USART error should be read before data uint8_t data = PS2_USART_RX_DATA; if (!error) { pbuf_enqueue(data); |