Darran Shepherd
First attempt at some form of autodiscovery of an mbed based device by periodically broadcasting our IP in a UDP packet.
BroadcastMessage.cpp@0:c1be031ca851, 2010-06-18 (annotated)
- Committer:
- darran
- Date:
- Fri Jun 18 09:09:57 2010 +0000
- Revision:
- 0:c1be031ca851
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| darran | 0:c1be031ca851 | 1 | #include "BroadcastMessage.h" |
| darran | 0:c1be031ca851 | 2 | |
| darran | 0:c1be031ca851 | 3 | BroadcastMessage::BroadcastMessage() { |
| darran | 0:c1be031ca851 | 4 | } |
| darran | 0:c1be031ca851 | 5 | |
| darran | 0:c1be031ca851 | 6 | BroadcastMessage::~BroadcastMessage() { |
| darran | 0:c1be031ca851 | 7 | } |
| darran | 0:c1be031ca851 | 8 | |
| darran | 0:c1be031ca851 | 9 | void BroadcastMessage::init() { |
| darran | 0:c1be031ca851 | 10 | NetIf* netIf = Net::getDefaultIf(); |
| darran | 0:c1be031ca851 | 11 | IpAddr ip = netIf->getIp(); |
| darran | 0:c1be031ca851 | 12 | len = sprintf(buff, |
| darran | 0:c1be031ca851 | 13 | "mbed microcontroller\r\n" |
| darran | 0:c1be031ca851 | 14 | "IP: %d.%d.%d.%d!\r\n" |
| darran | 0:c1be031ca851 | 15 | "Service: CANWIFI\r\n", |
| darran | 0:c1be031ca851 | 16 | ip[0], ip[1], ip[2], ip[3] |
| darran | 0:c1be031ca851 | 17 | ); |
| darran | 0:c1be031ca851 | 18 | } |
| darran | 0:c1be031ca851 | 19 | |
| darran | 0:c1be031ca851 | 20 | char* BroadcastMessage::getBytes() { |
| darran | 0:c1be031ca851 | 21 | return buff; |
| darran | 0:c1be031ca851 | 22 | } |
| darran | 0:c1be031ca851 | 23 | |
| darran | 0:c1be031ca851 | 24 | int BroadcastMessage::getLength() { |
| darran | 0:c1be031ca851 | 25 | return len; |
| darran | 0:c1be031ca851 | 26 | } |