Moxa Technologies UC-7420/7410 Manual de usuario descargar pdf (Pagina 87)

UC-7420/7410 User’s Manual Programmer’s Guide

5-11

Special Note

1. UC-7420/7410’s kernel will store the “pressed key history” in a buffer. The maximum buffer

size is 31 keys. If the buffer overflows, the first key of the 31 that was pressed will be dropped,

without sounding the buzzer.

2. Currently, UC-7420/7410 does NOT support pressing more than 1 key at the same time.

Make File Example

The following Makefile file example codes are copied from the Hello example on

UC-7420/7410’s CD-ROM.

CC = /usr/local/mxscaleb/mxscaleb-gcc

CPP = /usr/local/mxscaleb/mxscaleb-gcc

SOURCES = hello.c

OBJS = $(SOURCES:.c=.o)

all: hello

hello: $(OBJS)

$(CC) -o $@ $^ $(LDFLAGS) $(LIBS)

clean:

rm -f $(OBJS) hello core *.gdb

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Moxa Technologies UC-7420/7410 Manual de usuario Pagina 87