From 4c8e0fd0bd1712421f957ec5e0ca16fc6bbb3856 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Thu, 19 Jun 2014 16:13:35 +0900
Subject: Port ps2_usb to mbed

---
 protocol/ps2_io_mbed.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 protocol/ps2_io_mbed.c

(limited to 'protocol/ps2_io_mbed.c')

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);
+}
-- 
cgit v1.2.3