Diff: main.cpp

Revision:

0:de199215b4c0

Child:

1:de94ad0f7925

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Apr 03 14:05:40 2014 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+
+// (GS1011MxxS / pin)
+SPI gs(p5, p6, p7); // mosi(DIN/5), miso(DOUT/8), sck(CLK/7)
+DigitalOut cs(p8); // cs(CS/6)
+DigitalIn hw(p9); // host wakeup(GPIO28/2)
+
+int main() {
+    char c;
+
+    pc.baud(115200);
+    gs.format(8, 0);
+    gs.frequency(3000000);
+    hw.mode(PullDown);
+    myled = 1;
+    cs = 1;
+
+    for (;;) {
+        if (pc.readable()) {
+            cs = 0;
+            c = gs.write(pc.getc());
+            if (c != 0xf5)
+                pc.printf("%02x_", c);
+            cs = 1;
+        }
+        if (hw == 1) {
+            cs = 0;
+            c = gs.write(0xf5);
+            cs = 1;
+            if ((c >= 0x20 && c < 0x7f) || c == 0x0d || c == 0x0a) {
+                pc.printf("%c", c);
+            } else
+            if (c != 0xf5) {
+                pc.printf("%02x ", c);
+            }
+        }
+    }
+}