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authortmk <nobody@nowhere>2014-11-24 13:50:33 +0900
committertmk <nobody@nowhere>2014-11-24 13:50:33 +0900
commit363950982a291c3bfa03ac6362061b1d37dc06b0 (patch)
treec46fc53fe00137ced3c8edd3d0766ee844f77516 /protocol/ps2_io_mbed.c
parenteb90ed6238426db9367e294abfaefb5de07564f5 (diff)
parent60096e11c77980ca6b54674c5b68248e8aa15d8d (diff)
Merge branch 'rn42' into merge_rn42
Conflicts: .gitignore common.mk common/debug_config.h common/print.h
Diffstat (limited to 'protocol/ps2_io_mbed.c')
-rw-r--r--protocol/ps2_io_mbed.c60
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);
+}