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Code Issues Releases Activity

Added a method to read data into a char buffer so that character-based (rather than byte-based) operations don't require a cast. As requested by Tom Igoe. Part of the fix to issue 439.

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This commit is contained in:
amcewen 2011-01-13 17:55:08 +00:00
parent a3c7a1bedd
commit 5caad5bdb4
2 changed files with 4 additions and 1 deletions
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3
libraries/Ethernet/Udp.h
View File

@ -80,6 +80,9 @@ public:
// Read up to len bytes from the current packet and place them into buffer
// Returns the number of bytes read, or 0 if none are available
virtual int read(unsigned char* buffer, size_t len);
// Read up to len characters from the current packet and place them into buffer
// Returns the number of characters read, or 0 if none are available
virtual int read(char* buffer, size_t len) { return read((unsigned char*)buffer, len); };
// Return the next byte from the current packet without moving on to the next byte
virtual int peek();
virtual void flush(); // Finish reading the current packet

2
libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.pde
View File

@ -62,7 +62,7 @@ void loop() {
Serial.println(Udp.remotePort());
// read the packet into packetBufffer
Udp.read((byte*)packetBuffer,UDP_TX_PACKET_MAX_SIZE);
Udp.read(packetBuffer,UDP_TX_PACKET_MAX_SIZE);
Serial.println("Contents:");
Serial.println(packetBuffer);