Diff: HighSpeedAnalogIn.h

Revision:

0:db55359719e7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HighSpeedAnalogIn.h	Fri Feb 04 22:17:00 2011 +0000
@@ -0,0 +1,35 @@
+#ifndef HIGH_SPEED_ANALOG_IN_H
+#define HIGH_SPEED_ANALOG_IN_H
+
+#include "mbed.h"
+
+class HighSpeedAnalogIn {
+public:
+
+    HighSpeedAnalogIn(PinName pin0, PinName pin1 = NC, PinName pin2 = NC, PinName pin3 = NC, PinName pin4 = NC, PinName pin5 = NC);
+    ~HighSpeedAnalogIn();
+    float read(PinName pin);
+    unsigned short read_u16(PinName pin);
+
+private:
+
+    HighSpeedAnalogIn();
+    uint32_t _adc_data[8];
+
+    static const int XTAL_FREQ = 12000000;
+    static const int MAX_ADC_CLOCK = 13000000;
+    static const int CLKS_PER_SAMPLE = 64;
+    
+    static HighSpeedAnalogIn *instance;
+    static int refcnt;
+
+    static void static_adcisr(void);
+
+    int get_channel(PinName pin);
+    uint32_t get_data(PinName pin);
+    void adcisr(void);
+    void setup(PinName pin, int state);
+    void interrupt_state(PinName pin, int state);
+};
+
+#endif