Diff: Scope.h

Revision:

0:6c6d961dc8b3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Scope.h	Sun May 10 13:16:26 2015 +0000
@@ -0,0 +1,65 @@
+/*
+ * BreathLed.h
+ *
+ *  Created on: 2015/4/6
+ *      Author: steeven@gmail.com
+ */
+
+#ifndef SCOPE_H_
+#define SCOPE_H_
+
+#include "mbed.h"
+#include "BufferedSerial/BufferedSerial.h"
+
+#define SCOPE_PINS 16
+
+namespace steeven {
+
+/** A simple Oscilloscope that log each pin's data change
+ * Please dump log and analyze using excel x-y chart type!
+ */
+
+typedef struct {
+    char id; //bit 7: val, bit 0-6:id
+    float time;
+} ScopeData;
+
+class Scope {
+public:
+    Scope(int buf_len);
+
+    void add(PinName pin, const char *name);
+
+    void log(char id, int v);
+
+    void dump(  BufferedSerial *logger);
+
+protected:
+    const char *_names[SCOPE_PINS];
+    int _cnt;
+
+    Timer _timer;
+
+    ScopeData *_buf;
+    int _buf_len;
+    int _buf_cnt;
+};
+
+class ScopePin {
+
+public:
+    ScopePin(PinName pin, char id, Scope *scope);
+
+protected:
+    void on_fall();
+    void on_rise();
+
+    InterruptIn _pin;
+    char _id;
+    Scope *_scope;
+};
+
+}
+;
+
+#endif