made the gyro board analog stuff actually work
diff --git a/gyro_board/src/usb/analog.h b/gyro_board/src/usb/analog.h
index 5a06290..acbf679 100644
--- a/gyro_board/src/usb/analog.h
+++ b/gyro_board/src/usb/analog.h
@@ -3,13 +3,22 @@
#include <stdint.h>
+// Internal variable for holding the averaged value. USE analog TO GET TO THIS
+// IN CASE IT CHANGES!
+uint16_t averaged_values[4];
+
// Starts the hardware constantly doing conversions on all 4 of our analog
// inputs.
void analog_init(void);
// Retrieves the most recent reading on channel (0-3).
// Returns 0xFFFF for invalid channel.
-// 0 means 0V and 0x3FF means 3.3V.
-uint16_t analog(int channel);
+// 0 means 0V and 0xFFF means 3.3V.
+// These values are run through a low-pass filter with unreasonable readings
+// discarded first.
+uint16_t analog(int channel) {
+ if (channel < 0 || channel > 3) return 0xFFFF;
+ return averaged_values[channel];
+}
#endif // __ANALOG_H__