diff options
author | tmk <nobody@nowhere> | 2014-07-30 14:37:05 +0900 |
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committer | tmk <nobody@nowhere> | 2014-07-30 14:37:05 +0900 |
commit | adbb86b1ec8b07e86ae7425374e95b82122e48a7 (patch) | |
tree | 0a02e89376f69ef975096af9490034725d8eb751 /protocol/ps2_io_mbed.c | |
parent | 79840c678e13f9a737f80048bc3b9c9c55e3fc77 (diff) | |
parent | a9f5f201ad6b009675fdf16c4447033cc2ac0995 (diff) |
Merge branch 'mbed' into dev
Diffstat (limited to 'protocol/ps2_io_mbed.c')
-rw-r--r-- | protocol/ps2_io_mbed.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/protocol/ps2_io_mbed.c b/protocol/ps2_io_mbed.c new file mode 100644 index 0000000000..83bdcef7f5 --- /dev/null +++ b/protocol/ps2_io_mbed.c @@ -0,0 +1,60 @@ +#include <stdbool.h> +#include "ps2_io.h" +#include "gpio_api.h" + + +static gpio_t clock; +static gpio_t data; + +/* + * Clock + */ +void clock_init(void) +{ + gpio_init(&clock, P0_9); + gpio_mode(&clock, OpenDrain|PullNone); +} + +void clock_lo(void) +{ + gpio_dir(&clock, PIN_OUTPUT); + gpio_write(&clock, 0); +} +void clock_hi(void) +{ + gpio_dir(&clock, PIN_OUTPUT); + gpio_write(&clock, 1); +} + +bool clock_in(void) +{ + gpio_dir(&clock, PIN_INPUT); + return gpio_read(&clock); +} + +/* + * Data + */ +void data_init(void) +{ + gpio_init(&data, P0_8); + gpio_mode(&data, OpenDrain|PullNone); +} + +void data_lo(void) +{ + gpio_dir(&data, PIN_OUTPUT); + gpio_write(&data, 0); +} + +void data_hi(void) +{ + gpio_dir(&data, PIN_OUTPUT); + gpio_write(&data, 1); +} + +bool data_in(void) +{ + gpio_dir(&data, PIN_INPUT); + return gpio_read(&data); +} |