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Using correct size for memcpy

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This commit is contained in:
peteGSX 2023-03-21 05:30:33 +10:00
parent 337bd969a1
commit 7ab5f556d9
1 changed files with 2 additions and 1 deletions
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3
IO_EXIOExpander.h
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@ -116,6 +116,7 @@ private:
_analogueInputStates = (uint8_t*) calloc(analogueBytesNeeded, 1);
_analogueInputBuffer = (uint8_t*) calloc(analogueBytesNeeded, 1);
_analoguePinMap = (uint8_t*) calloc(_numAnaloguePins, 1);
_analoguePinBytes = analogueBytesNeeded;
}
} else {
DIAG(F("EX-IOExpander I2C:%s ERROR configuring device"), _I2CAddress.toString());
@ -222,7 +223,7 @@ private:
// Here we need to copy the values from input buffer to the analogue value array. We need to
// do this to avoid tearing of the values (i.e. one byte of a two-byte value being changed
// while the value is being read).
memcpy(_analogueInputStates, _analogueInputBuffer, sizeof(_analogueInputBuffer)); // Copy I2C input buffer to states
memcpy(_analogueInputStates, _analogueInputBuffer, _analoguePinBytes); // Copy I2C input buffer to states
} else if (_readState == RDS_DIGITAL) {
// Read of digital states was in progress, so process received values