k22f51212 UART0 and UART1 RXFIFOSIZE is 0

[p_j]

In MK22F51212_features.h , a macro is writen as "#define FSL_FEATURE_UART_FIFO_SIZE (8)". but in my code ,i always get the RXFIFOSIZE is 0. i need fifo in my project, can anybody tell me what is the reason cause this problem.@

[miduo]

Hi,

Please let me know the code/program you used?