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