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backport #7491

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This commit is contained in:
david gauchard 2020-08-02 20:14:22 +02:00
parent 1cdec7b256
commit 2843a5ace1
1 changed files with 4 additions and 3 deletions
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7
cores/esp8266/Esp.cpp
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@ -697,15 +697,16 @@ static SpiFlashOpResult spi_flash_write_puya(uint32_t offset, uint32_t *data, si
} else { } else {
bytesLeft = 0; bytesLeft = 0;
} }
rc = spi_flash_read(pos, flash_write_puya_buf, bytesNow); size_t bytesAligned = (bytesNow + 3) & ~3;
rc = spi_flash_read(pos, flash_write_puya_buf, bytesAligned);
if (rc != SPI_FLASH_RESULT_OK) { if (rc != SPI_FLASH_RESULT_OK) {
return rc; return rc;
} }
for (size_t i = 0; i < bytesNow / 4; ++i) { for (size_t i = 0; i < bytesAligned / 4; ++i) {
flash_write_puya_buf[i] &= *ptr; flash_write_puya_buf[i] &= *ptr;
++ptr; ++ptr;
} }
rc = spi_flash_write(pos, flash_write_puya_buf, bytesNow); rc = spi_flash_write(pos, flash_write_puya_buf, bytesAligned);
pos += bytesNow; pos += bytesNow;
} }
return rc; return rc;