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Narrowly silence new (GCC 8.1+) warning #290

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Merged
ladyada merged 1 commit into from
Apr 30, 2021
Merged

Narrowly silence new (GCC 8.1+) warning #290

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6 changes: 6 additions & 0 deletions libraries/SPI/SPI.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -334,12 +334,18 @@ void SPIClass::dmaAllocate(void) {
extraWriteDescriptors = &extraReadDescriptors[numReadDescriptors];
// Initialize descriptors (copy from first ones)
for(int i=0; i<numReadDescriptors; i++) {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
memcpy(&extraReadDescriptors[i], firstReadDescriptor,
sizeof(DmacDescriptor));
#pragma GCC diagnostic pop
}
for(int i=0; i<numWriteDescriptors; i++) {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
memcpy(&extraWriteDescriptors[i], firstWriteDescriptor,
sizeof(DmacDescriptor));
#pragma GCC diagnostic pop
}
} // end malloc
} // end extra descriptor check
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