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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/tools/ncb.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/tools/ncb.c')
-rw-r--r--roms/u-boot-sam460ex/tools/ncb.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/tools/ncb.c b/roms/u-boot-sam460ex/tools/ncb.c
new file mode 100644
index 000000000..ec8d8a743
--- /dev/null
+++ b/roms/u-boot-sam460ex/tools/ncb.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+int main (int argc, char *argv[])
+{
+ int s, len, o, port = 6666;
+ char buf[512];
+ struct sockaddr_in addr;
+ socklen_t addr_len = sizeof addr;
+
+ if (argc > 1)
+ port = atoi (argv[1]);
+
+ s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+
+ o = 1;
+ len = 4;
+ setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len);
+
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons (port);
+ addr.sin_addr.s_addr = INADDR_ANY; /* receive broadcasts */
+
+ bind (s, (struct sockaddr *) &addr, sizeof addr);
+
+ for (;;) {
+ len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
+ if (len < 0)
+ break;
+ if (write (1, buf, len) != len)
+ fprintf(stderr, "WARNING: serial characters dropped\n");
+ }
+
+ return 0;
+}