#define IOF_UART0_RX (16u)
#define IOF_UART0_TX (17u)
how to use this ?
what is the difference between
IOF_SEL of PIN 0 and PIN 1 (selecting uart function)
IOF_EN of PIN 0 and PIN 1 (enabling)
and
the macro
#define IOF_UART0_RX (16u)
#define IOF_UART0_TX (17u)
??