Library 44- STM32F4 unique ID and flash size - STM32F4 Discovery
STM32F4xx devices have some parts in memory, which are read only and store some information about device. You can use them to protect your program if it is stolen from memory, or to tell programmer/debugger which device is connected with and detect flash size. This library covers 4 things you can read from device: Device signature Device signature is something that you probably want to know when you are working with some device. This feature returns you 16-bit length device...
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