Thermoprobe TL2 Manual de usuario descargar pdf (Pagina 14)

02/2013, JK

sz_checksum[0] = hex[((c_sum & 0xF0) >> 4)];

sz_checksum[1] = hex[(c_sum & 0x0F)];

printf("%s\r\n", sz_checksum);

// check the checksum

// get a numeric sum of the bytes up to the checksum characters

c_sum = 0;

for (i = 0; i < (STRING_LEN - 2); i++){

c_sum += sz_string[i];

}

// convert the ascii checksum to a decimal value

sscanf(&sz_string[STRING_LEN - 2], "%x", &c_checksum);

c_sum += c_checksum;

if (c_sum){

// an error occured

printf("Invalid Checksum\r\n");

}

else{

printf("Valid Checksum\r\n");

}

Setting the Time and Date:

NOTE: It may be necessary to set the TL2 clock using Hyperterminal as follows:

1. After a connection has been established with the TL2 per the previous steps, hit ‘Enter’ to create a line break in the data

feed.

2. To change the date enter the text as follows: Date (YY)YY-MM-DD

3. To change the time enter the text as follows: Time HH:MM:SS

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Thermoprobe TL2 Manual de usuario Pagina 14