修复stm32l4系列flash在下载完程序后首次擦除会失败的问题
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@ -233,7 +233,7 @@ int stm32_flash_erase(rt_uint32_t addr, size_t size)
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HAL_FLASH_Unlock();
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/* Clear OPTVERR bit set on virgin samples */
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR | FLASH_FLAG_PGSERR);
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/* Get the 1st page to erase */
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FirstPage = GetPage(addr);
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/* Get the number of pages to erase from 1st page */
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