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Инструкция по эксплуатации Страница: 71

Moxa UC-8481-T-LX [71/90] Software lock

UC-8410/8416/8418/8430 Programmer's Guide

5-19

i = write(fd1, &txframe, sizeof(txframe));

printf(“Write port1 data return = %d\n”, i);

printf(“Write data contexts are following :\n”);

for ( i=0; i<MAX_CAN_DATA_LENGTH; i++ )

printf("%c", txframe.data.array[i]);

printf("\n");

usleep(1);

i = read(fd2, &rxframe, sizeof(rxframe));

printf(“Read port2 data return = %d\n”, i);

printf(“Receive frame id = %d, length = %d\n”, rxframe.id, rxframe.data_length);

printf(“Receive data contexts are following :\n”);

for ( i=0; i<MAX_CAN_DATA_LENGTH; i++ )

printf("%c", rxframe.data.array[i]);

printf("\n");

close(fd1);

close(fd2);

return 0;

}

Makefile

CROSS_COMPILE=xscale-linux-

CC=$(CROSS_COMPILE)gcc

LD=$(CROSS_COMPILE)ld

STRIP=$(CROSS_COMPILE)strip

#STRIP=$(CROSS_COMPILE)strip -s

TARGET=tcan

TARGET1=canttrw

all: debug release

debug: $(TARGET).c $(TARGET1).c moxacan_ioctl.h

$(CC) -ggdb -o $(TARGET)-debug $(TARGET).c

$(CC) -ggdb -o $(TARGET1)-debug $(TARGET1).c

release: $(TARGET).c $(TARGET1).c moxacan_ioctl.h

$(CC) -o $(TARGET)-release $(TARGET).c

$(CC) -o $(TARGET1)-release $(TARGET1).c

$(STRIP) $(TARGET)-release $(TARGET1)-release

clean:

rm -f *.o $(TARGET)-debug $(TARGET)-release $(TARGET1)-debug $(TARGET1)-release

Note: Only UC-8418-LX support CAN port communication.

Software Lock

“Software Lock” is an innovative technology developed by the Moxa engineering team, and can be used by a

system integrator or developer to protect applications from being copied. An application is compiled into a

binary format bound to the embedded computer, and the operating system that the application runs on. As

long as it is obtained from the computer, it can be installed on the same hardware and under the same

operating system, resulting in a loss of the add-on value created by the developer.

Users can deploy this data encryption method to develop the software for the applications. The binary file

associated with each of your applications needs to undergo an additional encryption process after you have

developed it. The process requires you to install an encryption key in the target computer.

1. Choose an encryption key (e.g.,”ABigKey”) and install it in the target computer by a pre-utility program

called ‘setkey’.

#setkey ABigKey

Moxa UC-8481-T-LX [71/90] Software lock

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