FSR
Dependents: FSR_hello_world FINAL_PROJECT Pousse_seringue_Ulg 0__Pousse_seringue ... more
FSR.cpp
- Committer:
- cshao06
- Date:
- 2015-10-21
- Revision:
- 0:d24a38523990
- Child:
- 1:6b702226a5d3
File content as of revision 0:d24a38523990:
#include "FSR.h" #include "mbed.h" FSR::FSR(PinName pin, float resistance) : _ain(pin), _r(resistance) { } float FSR::readRaw() { float read = _ain; return read; } float FSR::readFSRResistance() { float read = _ain; return _r * 3.3 / read - _r; } float FSR::readWeight() { float read = _ain; float rfsr = _r * 3.3 / read - _r; float slope = (4 - 2) / (log10(6.2) - log10(0.25)); float a = log10(rfsr); if (a < log10(6.2)) { return pow(10, ((log10(6.2) - a) * slope + 2)); } else { return 0; } }