- .macro senduart,rd,rx
- strb \rd, [\rx, #UART01x_DR]
- .endm
-
- .macro waituart,rd,rx
-1001: ldr \rd, [\rx, #0x18] @ UARTFLG
- tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
- bne 1001b
- .endm
-
- .macro busyuart,rd,rx
-1001: ldr \rd, [\rx, #0x18] @ UARTFLG
- tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
- bne 1001b
- .endm