Diff: propo.cpp

Revision:

0:6825e25b7428

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/propo.cpp	Wed Oct 16 02:45:27 2013 +0000
@@ -0,0 +1,87 @@
+/* ir propo
+ * microcomputer
+ *      LPC1114FN28
+ *          used pin
+ *          dp1 : irLED output
+ *          dp9 : analog joystic x axis input
+ *          dp10: analog joystic y axis input
+ * joystic
+ *      akizuki(http://akizukidenshi.com/catalog/g/gP-04048/)
+ *      analog joystic
+ *      <schematic>
+ *          Vcc(3.3[V]) : joystic pin1'(X axis)  pin3(Y axis)
+ *          GND(0[V])   : joystic pin3'(X axis)  pin1(Y axis)
+ *          LPC1114FN28 dp9 : joystic pin2'(X axis)
+ *          LPC1114FN28 dp10: joystic pin2 (Y axis)
+ *      <joystic fixed data>
+ *              X axis -8 to 7  :int8_t
+ *              Y axis -8 to 7  :int8_t
+ *
+ * ir send
+ *      akizuki (http://akizukidenshi.com/catalog/g/gP-04048/)
+ *      OSI5FU3A11C
+ *      <schematic>
+ *          setting If=50[mA]
+ *          LPC1114FN28 dp1 : irLED(anode)
+ *          GND(0[V])       : - 40[ohm] - irLED(cathod)
+ *      <send format>
+ *          SONY format
+ *          send cycle : 100[ms]
+ *          buf[0] :x axis
+ *          buf[1] :y axis
+*/
+#include "mbed.h"
+#include "propo.h"
+#include "TransmitterIR.h"
+
+
+void interruptPropo(void);
+
+//#define DBG_PROPO
+
+#ifdef DBG_PROPO
+DigitalOut myled(LED2);
+Serial pc(dp16, dp15);
+#endif // DBG_PROPO
+//------------------------
+// joystic
+AnalogIn Xin(dp9);
+AnalogIn Yin(dp10);
+
+int8_t XinData;
+int8_t YinData;
+//-------------------------
+// ir control
+TransmitterIR ir_tx(dp1);
+RemoteIR::Format format = RemoteIR::SONY;
+uint8_t buf[2] = {0x00, 0x00};
+int bitcount = 16;
+
+Ticker timer;
+
+void initialPropo(void)
+{
+    timer.attach(&interruptPropo, 0.1);
+}
+
+void interruptPropo()
+{
+    // analog 16bit unsigned data(uint16_t) to 4bit signed data(int8_t)
+    XinData = (int8_t)((int16_t)(Xin.read_u16() >> 12) - 0x8);
+    YinData = (int8_t)((int16_t)(Yin.read_u16() >> 12) - 0x8);
+
+    buf[0] = XinData;
+    buf[1] = YinData;
+
+    // send data
+    if(ir_tx.getState() == TransmitterIR::Idle) {
+        bitcount = ir_tx.setData(format, buf, bitcount);
+    }
+
+#ifdef DBG_PROPO
+    pc.printf("X = %02d, Y = %02d \r\n",XinData,YinData);
+    myled = !myled;
+#endif // DBG_PROPO 
+}
+
+