me/IronOS
1
0
Fork 1
mirror of https://github.com/Ralim/IronOS.git synced 2025-02-26 07:53:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update TipThermoModel.cpp

Browse Source 
Update comments
This commit is contained in:
Ben V. Brown
2020-04-04 13:15:59 +11:00
parent 482d1c5b61
commit baa9ff66a8
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
workspace/TS100/Core/Src/TipThermoModel.cpp
View File

@@ -32,7 +32,7 @@ uint32_t TipThermoModel::convertTipRawADCTouV(uint16_t rawADC) {
// This takes the raw ADC samples, converts these to uV
// Then divides this down by the gain to convert to the uV on the input to the op-amp (A+B terminals)
// Then remove the calibration value that is stored as a tip offset
uint32_t vddRailmVX10 = 33000; //TODO use ADC Vref to calculate this
uint32_t vddRailmVX10 = 33000; //The vreg is +-2%, but we have no higher accuracy available
// 4096 * 8 readings for full scale
// Convert the input ADC reading back into mV times 10 format.
uint32_t rawInputmVX10 = (rawADC * vddRailmVX10) / (4096 * 8);
@@ -71,7 +71,7 @@ int32_t LinearInterpolate(int32_t x1, int32_t y1, int32_t x2, int32_t y2,
}
uint32_t TipThermoModel::convertuVToDegC(uint32_t tipuVDelta) {
//based on new measurements, tip is quite linear at 24.9uV per deg C = 2.49 per 0.1C
//based on new measurements, tip is quite linear
//
tipuVDelta *= TIP_GAIN;
tipuVDelta /= 10000;