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changed adc calculations to use Vin reference

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This commit is contained in:
pyr0ball 2019-06-11 13:08:29 -07:00
parent 7f1985d0cd
commit 4b2186aaf7
2 changed files with 4 additions and 4 deletions
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4
firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_functions.cpp
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@ -220,7 +220,7 @@ void updateGainFactor() {
void updateVComp() {
if (serialInt >= 0) {
compInt = (serialFloat / 5) * 1024;
compInt = (serialFloat * 1024) / Vin;
//senseInt = compInt; // syncing these params til #24 is fixed
}
}
@ -228,7 +228,7 @@ void updateVComp() {
void updateVAdj() {
if (serialInt >= 0) {
senseInt = (serialFloat / 5) * 1024;
senseInt = (serialFloat * 1024) / Vin;
//compInt = senseInt; // syncing these params til #24 is fixed
}
}

4
firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_volatile.h
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@ -5,8 +5,8 @@ volatile int ADJ_COMP = 0; // Variable for Comparator adjustment
volatile int ERR_STATE = 0;
// Convert float to integer for adjustment functions
int senseInt = (senseThrs / 5) * 1024; // Voltage Follower upper converted to adg interger
int compInt = (compThrs / 5) * 1024; // Upper threshold of Comparator before adjustment
int senseInt = (senseThrs * 1024) / Vin; // Voltage Follower upper converted to adg interger
int compInt = (compThrs * 1024) / Vin; // Upper threshold of Comparator before adjustment
// Voltage Comparator Adjustment parameters
//float VCompRef = 0.00; // variable to store the float value read from the comparator reference