Lines Matching refs:rx
63 .macro senduart,rd,rx
64 orr \rd, \rd, \rx, lsl #24 @ preserve LSR reg offset
65 bic \rx, \rx, #0xff @ get base (THR) reg address
66 strb \rd, [\rx] @ send lower byte of rd
67 orr \rx, \rx, \rd, lsr #24 @ restore original rx (LSR)
71 .macro busyuart,rd,rx
72 1001: ldrb \rd, [\rx] @ rx contains UART_LSR address
78 .macro waituartcts,rd,rx
81 .macro waituarttxrdy,rd,rx