Simple LMD18200 Motor Driver Breakout Board Library
LMD18200.cpp@0:52968fafce73, 2016-01-01 (annotated)
- Committer:
- electromotivated
- Date:
- Fri Jan 01 20:40:15 2016 +0000
- Revision:
- 0:52968fafce73
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
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electromotivated | 0:52968fafce73 | 1 | #include "LMD18200.h" |
electromotivated | 0:52968fafce73 | 2 | #include <algorithm> |
electromotivated | 0:52968fafce73 | 3 | |
electromotivated | 0:52968fafce73 | 4 | LMD18200::LMD18200(PinName pwm, PinName dir) : speed(pwm), direction(dir){ |
electromotivated | 0:52968fafce73 | 5 | speed = 0.0; |
electromotivated | 0:52968fafce73 | 6 | direction = 0; |
electromotivated | 0:52968fafce73 | 7 | } |
electromotivated | 0:52968fafce73 | 8 | |
electromotivated | 0:52968fafce73 | 9 | void LMD18200::setSpeed(float spd){ |
electromotivated | 0:52968fafce73 | 10 | spd = clip(spd, 0.0, 1.0); // Clamp value |
electromotivated | 0:52968fafce73 | 11 | speed = spd; // Set PWM Speed |
electromotivated | 0:52968fafce73 | 12 | } |
electromotivated | 0:52968fafce73 | 13 | |
electromotivated | 0:52968fafce73 | 14 | void LMD18200::setDirection(int dir){ |
electromotivated | 0:52968fafce73 | 15 | direction = dir; |
electromotivated | 0:52968fafce73 | 16 | } |
electromotivated | 0:52968fafce73 | 17 | |
electromotivated | 0:52968fafce73 | 18 | /* |
electromotivated | 0:52968fafce73 | 19 | Clips value to lower/ uppper |
electromotivated | 0:52968fafce73 | 20 | @param value The value to clip |
electromotivated | 0:52968fafce73 | 21 | @param lower The mininum allowable value |
electromotivated | 0:52968fafce73 | 22 | @param upper The maximum allowable value |
electromotivated | 0:52968fafce73 | 23 | @return The resulting clipped value |
electromotivated | 0:52968fafce73 | 24 | */ |
electromotivated | 0:52968fafce73 | 25 | float LMD18200::clip(float value, float lower, float upper){ |
electromotivated | 0:52968fafce73 | 26 | return std::max(lower, std::min(value, upper)); |
electromotivated | 0:52968fafce73 | 27 | } |