Hi Steve,
Hi Martin,

Sorry i was ill.

Thank you for help
But the result is always wrong

i have for example 9 databyte,
4d 56 57 02 80 00 19 00 00,
CRC-CCITT16 Polynom 0x8408,
the result from other system inverted is 69 CD,
Do you have a good idea ?
i have Flowcode V10,PIC16F18877,

regards
Hermann

Hi Martin,

Sorry - my know how is to small

i have attach the file CCITT16-02.fcfx

for this databytes i have to calculate the checksumme
CRC16 Polynominal 0x8404 and invert the result in two bytes.
with PIC16F18877, he have a funktion for Cylic redundancy check (CRC) Module
but if is working with ...

Hi Martin,

Sorry - what i make wrong
to import a makro it must have extensione *fcm ?

regards
Hermann

Hi Martin,
thank you for help
but in what way i can include it in Flowcode V10
the extension is normal for Flowcode *.fcfx
but this have *fcpx ?

regards
Hermann

Sorry i will work with a PIC16F18877,

regards
Hermann

Dear Martin,

i think i need this programm
i have to transmit 9 byte data with CRC16 plynom 0x8408
can you help ?

regards
Hermann

Good afternoon,

i am new
work with Pic16F18877, BL0080, Uart, Flowcode V10

i have to transmit 9 byte data and a 2 byte checksum with CRC-CCITT16-polynom 0x8408

i have found a nice example
CRC8_c_code_V_1_2.fcfx
do you have also a example with CCITT16-polynom 0x8408
or can you help ?

best regards ...