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machine/stm32: correct Flash implementation

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
2023-03-11 20:57:21 +01:00
committed by Ron Evans
parent 6c40ee93fe
commit c5598630c9
4 changed files with 14 additions and 10 deletions
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src/machine/machine_stm32l4.go
+4 -4
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@@ -595,13 +595,13 @@ func writeFlashData(address uintptr, data []byte) (int, error) {
// start page write operation
stm32.FLASH.SetCR_PG(1)
// write first word using double-word low order word
*(*uint32)(unsafe.Pointer(address)) = binary.BigEndian.Uint32(data[j+writeBlockSize/2 : j+writeBlockSize])
// write second word using double-word high order word
*(*uint32)(unsafe.Pointer(address)) = binary.LittleEndian.Uint32(data[j : j+writeBlockSize/2])
address += writeBlockSize / 2
// write second word using double-word high order word
*(*uint32)(unsafe.Pointer(address)) = binary.BigEndian.Uint32(data[j : j+writeBlockSize/2])
// write first word using double-word low order word
*(*uint32)(unsafe.Pointer(address)) = binary.LittleEndian.Uint32(data[j+writeBlockSize/2 : j+writeBlockSize])
waitUntilFlashDone()