ApexSim
This is a simple APEX3000 simulator.
test case:
char send_buf[1024] =
{
0x81, 0x01, 0x00, 0x46, // header
0x01, 0x02, 0x03, 0xE8, // TSID
0x02, 0x06, 0x12, 0x34, // CMMAC
0x56, 0x78, 0x9A, 0xBC, // CMMAC
0x03, 0x43, // DBC, len
0xAB, 0xCD, // TransactionID
0x01, 0x01, // NumberOfFragments, FragmentSequenceNumber
0x32, 0x20, // 50 DSID Encodings
0x01, 0x03, 0x65, 0x43, // 50.1 Downstream Service Identifier (DSID)
0x21,
0x02, 0x01, 0x00, // 50.2 Downstream Service Identifier Action
0x04, 0x16, // 50.4 Multicast Encodings
0x02, 0x06, // 50.4.2 Multicast CM Interface Mask bitmap 4FFF00000001
0x4F, 0xFF, 0x00, 0x00,
0x00, 0x01,
0x03, 0x0C, // 50.4.3 Multicast Group MAC address Encodings
0x12, 0x34, 0x56, 0x78,
0x9A, 0xBC, 0xFE, 0xDC,
0xBA, 0x98, 0x76, 0x54,
0x31, 0x1B, // 49 Receive Channel Configuration (RCC)
0x01, 0x05, // 49.1 Receive Channel Profile ID 0x0010000003
0x00, 0x10, 0x00, 0x00,
0x03,
0x05, 0x12, // 49.5 Received Channel assigned by CMTS
0x01, // 49.5.1 Receive Channel (RC) Index
0x07, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07,
0x04, 0x04, 0x00, 0x0D, // 49.5.4 Receive Channel Center Frequency
0x90, 0x38,
0x05, 0x01, // 49.5.5 RC Primary DS Channel Indicator
0x00
};