fopen write error sdmmc

I am driving a 32 GB SD card with Keil MDK5 Flash File System v6.14.1 with core LFN debug mode. Init, Mounting, and also read operations from SD card works properly. But creating or deleting a file and...
fopen write error sdmmc

I am driving a 32 GB SD card with Keil MDK5 Flash File System v6.14.1 with core LFN debug mode. Init, Mounting, and also read operations from SD card works properly. But creating or deleting a file and...
'C' file translation don't work under µVision2

I have installed C51 V7.00, µVision 2.30 under W98. My problem is: If I try to translate any 'C' file under µVision2 IDE it don't work (no translation is done.) Project Build, re-buld or 'A51' translation...
'C' file translation don't work under µVision2

I have installed C51 V7.00, µVision 2.30 under W98. My problem is: If I try to translate any 'C' file under µVision2 IDE it don't work (no translation is done.) Project Build, re-buld or 'A51' translation...
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...