Rob Toulson / Mbed 2 deprecated PE_12-08_EthernetRead

by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Dependencies:   mbed

main.cpp@0:94cb0f736f64, 2013-06-16 (annotated)

Committer:
robt
Date:
Sun Jun 16 15:32:03 2013 +0000
Revision:
0:94cb0f736f64
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robt 0:94cb0f736f64 1 /* Program Example 12.8: Ethernet read
robt 0:94cb0f736f64 2 */
robt 0:94cb0f736f64 3 #include "mbed.h"
robt 0:94cb0f736f64 4 Ethernet eth; // Ethernet object
robt 0:94cb0f736f64 5 Serial pc(USBTX, USBRX); // tx, rx for host terminal coms
robt 0:94cb0f736f64 6 char buf[0xFF]; // create a large buffer to store data
robt 0:94cb0f736f64 7 int main() {
robt 0:94cb0f736f64 8 pc.printf("Ethernet data read and display\n\r");
robt 0:94cb0f736f64 9 while (1) {
robt 0:94cb0f736f64 10 int size = eth.receive(); // get size of incoming data packet
robt 0:94cb0f736f64 11 if (size > 0) { // if packet received
robt 0:94cb0f736f64 12 eth.read(buf, size); // read packet to data buffer
robt 0:94cb0f736f64 13 pc.printf("size = %d data = ",size); // print to screen
robt 0:94cb0f736f64 14 for (int i=0;i<size;i++) { // loop for each data byte
robt 0:94cb0f736f64 15 pc.printf("%02X ",buf[i]); // print data to screen
robt 0:94cb0f736f64 16 }
robt 0:94cb0f736f64 17 pc.printf("\n\r");
robt 0:94cb0f736f64 18 }
robt 0:94cb0f736f64 19 }
robt 0:94cb0f736f64 20 }
robt 0:94cb0f736f64 21