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m
CRC16 with 0x8408 poly
Line 90:
Line 90:
COSInfo(6, "%s() depricated, no need to call\n", "CCRHIDTeardown"); //Typo in binary
COSInfo(6, "%s() depricated, no need to call\n", "CCRHIDTeardown"); //Typo in binary
return 0;
return 0;
+}
+</syntaxhighlight>
+
+===CCRCDC - Gamepad Communications Device Class API===
+<syntaxhighlight lang="C">
+uint16_t CCRCDCCalcCRC16(uint32_t *data, uint32_t size) //02002EAC
+{
+ uint16_t crc = 0xFFFF;
+ if (size > 0)
+ {
+ for (int j = 0; j < size; j++)
+ {
+ crc = (uint16_t)(crc ^ data[j]); //load in new byte
+ for (int i = 0; i < 8; i++)
+ {
+ if ((crc & 0x0001) == 1) //if LSB is set, do xor
+ crc = (uint16_t)((crc >> 1) ^ 0x8408);
+ else //just cycle 1
+ crc >>= 1;
+ }
+ }
+ }
+ return crc;
}
}
</syntaxhighlight>
</syntaxhighlight>