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inc/SlidePot.h

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+// SlidePot.h
+// Runs on MSPM0
+// Provide functions that initialize ADC1 channel 5, PB18 and use a slide pot to measure distance
+// Created: 12/29/2023
+// Student names: change this to your names or look very silly
+// Last modification date: change this to the last modification date or look very silly
+
+#ifndef SLIDEPOT_H
+#define SLIDEPOT_H
+#include <stdint.h>
+
+class SlidePot{ private:
+  uint32_t data;     // raw ADC value
+  int32_t flag;      // 0 if data is not valid, 1 if valid
+  uint32_t distance; // distance in 0.001cm
+// distance = (slope*data+offset)/4096
+  uint32_t slope;    // calibration coeffients
+  uint32_t offset;
+public:
+  SlidePot(uint32_t m, uint32_t b); // initialize slide pot
+  void Init(void);
+  uint32_t In(void);                // return last ADC sample value (0 to 4095)
+  void Save(uint32_t n);            // save ADC, set semaphore
+  void Sync(void);                  // wait for semaphore
+  uint32_t Convert(uint32_t n);     // convert ADC to raw sample
+  float FloatConvert(uint32_t n);   // do not use this function
+  uint32_t Distance(void);          // return last distance value (0 to 2000), 0.001cm
+};
+#endif