参数资料
型号: MCW1001A-I/SS
厂商: Microchip Technology
文件页数: 42/66页
文件大小: 0K
描述: IC INTERFACE SOCKET XLP 28-SSOP
标准包装: 47
系列: *
2011 Microchip Technology Inc.
Preliminary
DS70671A-page 47
MCW1001A
6.12
Messages Sent From WiComm-Socket to Host
Messages are sent from the WiComm-Socket to the host to respond to messages from the host, or to indicate an
asynchronous event. All messages from the host are acknowledged. This can be done either with a specific message
(ACK_MSG) or with a PIGGYBACKACK if data is going to be sent by the WiComm-Socket in response to the host
message.
All messages sent from WiComm-Socket to the host contain a PIGGYBACKACK bit. The most significant bit of the 16
bit message type field is reserved for the PIGGYBACKACK. If a reply is sent from WiComm-Socket in response to a
message sent by the host, the PIGGYBACKACK bit will be set (i.e. message type 0x8000) in the message type to
indicate that the previous message was received correctly.
6.12.1
ACK_MSG
(0 RESPONSE)
This message is an acknowledge to the message sent from the host.
6.12.2
EVENT_MSG
The EVENT_MSG is sent to the host CPU asynchronously whenever an event has occurred that the host CPU needs to
be aware of.
6.12.2.1
EVENT_MSG
IP Address Assigned (1-16 Async)
This event message signifies that the DHCP client has been assigned an IP address.
Msg Byte Index
Description
0:5
Header; Message Type = 0, Data Length = 0
Msg Byte Index
Description
0:5
Header; Message Type = 1, Data Length = 6
6
Event Type: IP Assigned Event = 16
7
Reserved
8
1st octet of IP address
9
2nd octet of IP address
10
3rd octet of IP address
11
4th octet of IP address
12
0x45 (frame trailer)
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