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Add ability to calibrate input DC voltage reading, V1.05

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Closes #5
This commit is contained in:
Ben V. Brown
2017-05-18 23:58:35 +10:00
parent ddedd9ad4f
commit 1522c419cf
7 changed files with 74 additions and 43 deletions
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4
workspace/ts100/src/Analog.c
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@@ -10,12 +10,12 @@
//Reads the dc input and returns it as X10 voltage (ie 236 = 23.6V)
//Seems unstable below 9.5V input
uint16_t readDCVoltage() {
uint16_t readDCVoltage(uint16_t divFactor) {
uint16_t reading = 0;
for (u8 i = 0; i < 10; i++) {
reading += ADC_GetConversionValue(ADC2);
}
reading /= 144; //take the average and convert to X10 voltage
reading /= divFactor; //take the average and convert to X10 voltage
return reading; //return the read voltage
}