Mirror/ardupilot
5
0
Fork 0
mirror of https://github.com/ArduPilot/ardupilot synced 2025-01-11 02:18:29 -04:00
Code Issues Packages Projects Releases Wiki Activity

AnalogSource: prevent a division by zero on zero ADC data

Browse Source
This commit is contained in:
Andrew Tridgell 2012-07-06 19:56:12 +10:00
parent f6d7d1bc59
commit d755fedc26
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libraries/AP_AnalogSource/AP_AnalogSource_Arduino.cpp
View File

@ -94,7 +94,11 @@ uint16_t AP_AnalogSource_Arduino::read_raw(void)
// scaled read for board Vcc
uint16_t AP_AnalogSource_Arduino::read_vcc(void)
{
return 1126400UL / read_raw();
uint16_t v = read_raw();
if (v == 0) {
return 0;
}
return 1126400UL / v;
}
// read the average 16 bit value since the last