Wavetronix Click 500 (programmable controller) (CLK-500) - Developer Guide - Manual (Page 168)

APPENDIX • CLICK 500 DEVELOPER GUIDE 167
Checksum rules:
1 There is a limit of 10 checksums (#define MAX_NUM_CSUMS).
2 The maximum length of each checksum is 8 bytes (#define MAX_CSUM_RETURN_
BYTES).
˽ RETURN VALUE – ClickMsgString: The new message just created.