Yihui Xiong / disable_semihost

disable semihost for Arch Pro

Dependencies:   EthernetInterface mbed-rtos mbed-src

main.cpp@0:61973ed15ae1, 2014-01-17 (annotated)

Committer:
yihui
Date:
Fri Jan 17 03:21:00 2014 +0000
Revision:
0:61973ed15ae1
bug fix: Arch Pro hangs up when calling semihost function

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 0:61973ed15ae1 1 #include "mbed.h"
yihui 0:61973ed15ae1 2 #include "EthernetInterface.h"
yihui 0:61973ed15ae1 3
yihui 0:61973ed15ae1 4
yihui 0:61973ed15ae1 5
yihui 0:61973ed15ae1 6 Serial uart(USBTX, USBRX);
yihui 0:61973ed15ae1 7 DigitalOut led(LED4);
yihui 0:61973ed15ae1 8
yihui 0:61973ed15ae1 9 void led_thread(void const *args)
yihui 0:61973ed15ae1 10 {
yihui 0:61973ed15ae1 11 while (true) {
yihui 0:61973ed15ae1 12 led = !led;
yihui 0:61973ed15ae1 13 Thread::wait(1000);
yihui 0:61973ed15ae1 14 }
yihui 0:61973ed15ae1 15 }
yihui 0:61973ed15ae1 16
yihui 0:61973ed15ae1 17 int main() {
yihui 0:61973ed15ae1 18 Thread thread(led_thread);
yihui 0:61973ed15ae1 19
yihui 0:61973ed15ae1 20 uart.baud(115200);
yihui 0:61973ed15ae1 21 uart.printf("------------ Ethernet ------------\n");
yihui 0:61973ed15ae1 22
yihui 0:61973ed15ae1 23 EthernetInterface eth;
yihui 0:61973ed15ae1 24 eth.init(); //Use DHCP
yihui 0:61973ed15ae1 25 eth.connect();
yihui 0:61973ed15ae1 26 printf("IP Address is %s\n", eth.getIPAddress());
yihui 0:61973ed15ae1 27
yihui 0:61973ed15ae1 28 TCPSocketConnection sock;
yihui 0:61973ed15ae1 29 sock.connect("mbed.org", 80);
yihui 0:61973ed15ae1 30
yihui 0:61973ed15ae1 31 char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
yihui 0:61973ed15ae1 32 sock.send_all(http_cmd, sizeof(http_cmd)-1);
yihui 0:61973ed15ae1 33
yihui 0:61973ed15ae1 34 char buffer[300];
yihui 0:61973ed15ae1 35 int ret;
yihui 0:61973ed15ae1 36 while (true) {
yihui 0:61973ed15ae1 37 ret = sock.receive(buffer, sizeof(buffer)-1);
yihui 0:61973ed15ae1 38 if (ret <= 0)
yihui 0:61973ed15ae1 39 break;
yihui 0:61973ed15ae1 40 buffer[ret] = '\0';
yihui 0:61973ed15ae1 41 printf("Received %d chars from server:\n%s\n", ret, buffer);
yihui 0:61973ed15ae1 42 }
yihui 0:61973ed15ae1 43
yihui 0:61973ed15ae1 44 sock.close();
yihui 0:61973ed15ae1 45
yihui 0:61973ed15ae1 46 eth.disconnect();
yihui 0:61973ed15ae1 47
yihui 0:61973ed15ae1 48 while(1) {}
yihui 0:61973ed15ae1 49 }