Diff: main.cpp

Revision:

0:ae58e0a9d79e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jul 27 08:32:19 2015 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+#include "PCAL9555.h"
+
+PCAL9555    gpio_exp(SDA, SCL);
+GpioBusIn   joystick(gpio_exp, X0_0, X0_1, X0_2, X0_3, X0_4);
+Serial      pc(USBTX, USBRX);
+
+enum key_num {
+    Key_Up     = (1 << X0_4),
+    Key_Down   = (1 << X0_0),
+    Key_Right  = (1 << X0_3),
+    Key_Left   = (1 << X0_2),
+    Key_Center = (1 << X0_1),
+};
+
+int main()
+{
+    while(1) {
+        int keys = joystick.read();
+        if ((keys & Key_Up) == 0)
+            pc.printf("Up\n");
+        if ((keys & Key_Down) == 0)
+            pc.printf("Down\n");
+        if ((keys & Key_Right) == 0)
+            pc.printf("Right\n");
+        if ((keys & Key_Left) == 0)
+            pc.printf("Left\n");
+        if ((keys & Key_Center) == 0)
+            pc.printf("Center\n");
+        wait(0.3);
+    }
+}