Codes appear to be detected correctly, the break codes are broken.
[tmk_keyboard.git] / tmk_core / protocol / xt_io_avr.c
1 #include <stdbool.h>
2 #include <avr/io.h>
3 #include <util/delay.h>
4
5 /* Check port settings for clock and data line */
6 #if !(defined(XT_CLOCK_PORT) && \
7 defined(XT_CLOCK_PIN) && \
8 defined(XT_CLOCK_DDR) && \
9 defined(XT_CLOCK_BIT))
10 # error "XT clock port setting is required in config.h"
11 #endif
12
13 #if !(defined(XT_DATA_PORT) && \
14 defined(XT_DATA_PIN) && \
15 defined(XT_DATA_DDR) && \
16 defined(XT_DATA_BIT))
17 # error "XT data port setting is required in config.h"
18 #endif
19
20 bool clock_in(void)
21 {
22 XT_CLOCK_DDR &= ~(1<<XT_CLOCK_BIT);
23 XT_CLOCK_PORT |= (1<<XT_CLOCK_BIT);
24 _delay_us(1);
25 return XT_CLOCK_PIN&(1<<XT_CLOCK_BIT);
26 }
27
28 bool data_in(void)
29 {
30 XT_DATA_DDR &= ~(1<<XT_DATA_BIT);
31 XT_DATA_PORT |= (1<<XT_DATA_BIT);
32 _delay_us(1);
33 return XT_DATA_PIN&(1<<XT_DATA_BIT);
34 }
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