memroy allocation

Are there any settings or commands needed before I can use calloc in a function? I am trying to allocate memory for 3 arrays using three separate pointers and calloc functions. I know the amount of memory...
memroy allocation

Are there any settings or commands needed before I can use calloc in a function? I am trying to allocate memory for 3 arrays using three separate pointers and calloc functions. I know the amount of memory...
fopen cannot write memroy card

I use lpc4357, and config file system & usb0 following the demo code of MCB4300. The usb seems work, for I can read/write file via the usb interface. When I create file failed by calling fopen...
fopen cannot write memroy card

I use lpc4357, and config file system & usb0 following the demo code of MCB4300. The usb seems work, for I can read/write file via the usb interface. When I create file failed by calling fopen...
Transfer a file form computer onto a ST flash memroy

I want to transfer the KEIL generated .hex file from computer's memory via UART onto the internal flash memory of the STM32F4. Can anyone give me a heads up of where to get started? and what are the...