Lines Matching refs:rd
36 .macro waituart, rd, rx
37 1001: ldrh \rd, [\rx, #FSR]
38 tst \rd, #TDFE
42 .macro senduart, rd, rx
43 strb \rd, [\rx, #FTDR]
44 ldrh \rd, [\rx, #FSR]
45 bic \rd, \rd, #TEND
46 strh \rd, [\rx, #FSR]
49 .macro busyuart, rd, rx
50 1001: ldrh \rd, [\rx, #FSR]
51 tst \rd, #TEND