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