diff options
author | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
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committer | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
commit | f061ca497464fe85284906fb163a33eaee7a91ef (patch) | |
tree | 33ef1bfb529aed382e8526c607c4e18717f92571 /tmk_core/protocol/ps2_io_chibios.c | |
parent | ff65185dec6f97be1eb49f17cea526a0d0bbf3d6 (diff) | |
parent | 4bad375d7c09d949a9dcdd4feba147c9c7a67ec6 (diff) |
Breaking changes develop merge to master, 2021Q3 edition. (#14196)
Diffstat (limited to 'tmk_core/protocol/ps2_io_chibios.c')
-rw-r--r-- | tmk_core/protocol/ps2_io_chibios.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tmk_core/protocol/ps2_io_chibios.c b/tmk_core/protocol/ps2_io_chibios.c new file mode 100644 index 0000000000..b672bd1f47 --- /dev/null +++ b/tmk_core/protocol/ps2_io_chibios.c @@ -0,0 +1,55 @@ +#include <stdbool.h> +#include "ps2_io.h" + +// chibiOS headers +#include "ch.h" +#include "hal.h" + +/* Check port settings for clock and data line */ +#if !(defined(PS2_CLOCK)) +# error "PS/2 clock setting is required in config.h" +#endif + +#if !(defined(PS2_DATA)) +# error "PS/2 data setting is required in config.h" +#endif + +/* + * Clock + */ +void clock_init(void) {} + +void clock_lo(void) { + palSetLineMode(PS2_CLOCK, PAL_MODE_OUTPUT_OPENDRAIN); + palWriteLine(PS2_CLOCK, PAL_LOW); +} + +void clock_hi(void) { + palSetLineMode(PS2_CLOCK, PAL_MODE_OUTPUT_OPENDRAIN); + palWriteLine(PS2_CLOCK, PAL_HIGH); +} + +bool clock_in(void) { + palSetLineMode(PS2_CLOCK, PAL_MODE_INPUT); + return palReadLine(PS2_CLOCK); +} + +/* + * Data + */ +void data_init(void) {} + +void data_lo(void) { + palSetLineMode(PS2_DATA, PAL_MODE_OUTPUT_OPENDRAIN); + palWriteLine(PS2_DATA, PAL_LOW); +} + +void data_hi(void) { + palSetLineMode(PS2_DATA, PAL_MODE_OUTPUT_OPENDRAIN); + palWriteLine(PS2_DATA, PAL_HIGH); +} + +bool data_in(void) { + palSetLineMode(PS2_DATA, PAL_MODE_INPUT); + return palReadLine(PS2_DATA); +} |