PCI 16x50 UART Controller, O2 Enablement (#39)

[lunaix-os.git] / lunaix-os / usr / testp.c

diff --git a/lunaix-os/usr/testp.c b/lunaix-os/usr/testp.c
index 8011c304b028451d289a211a49a3f2bbe318601d..ee33fe6f69710ee37c05b6635dd2cb880a6763da 100644 (file)
--- a/lunaix-os/usr/testp.c
+++ b/lunaix-os/usr/testp.c
@@ -6,26 +6,32 @@
 #include <unistd.h>
 
 void
 #include <unistd.h>
 
 void

-test_serial()
+test_serial(char* dev, int wr)

 {
 {

-    int fd = open("/dev/ttyS0", FO_WRONLY);
+    int fd = open(dev, FO_WRONLY);

     if (fd < 0) {
     if (fd < 0) {

-        printf("ttyS0 not accessable (%d)\n", errno);
+        printf("tty %s not accessable (%d)\n", dev, errno);

         return;
     }
 
         return;
     }
 

-    char buf[32];

     int sz = 0;
     int sz = 0;

+    char buf[256];

 
 

-    printf("ttyS0 input: ");
+    if (!wr) {
+        printf("tty input: ");

 
 

-    if ((sz = read(fd, buf, 31)) < 0) {
-        printf("write to ttyS0 failed (%d)\n", errno);
-    }
+        if ((sz = read(fd, buf, 31)) < 0) {
+            printf("read to tty failed (%d)\n", errno);
+        }

 
 

-    buf[sz] = 0;
+        buf[sz] = 0;

 
 

-    printf("%s", buf);
+        printf("%s", buf);
+    }
+    else {
+        int size = snprintf(buf, 256, "serial test: %s", dev);
+        write(fd, buf, size);
+    }

 
     close(fd);
 }
 
     close(fd);
 }


@@ -33,18 +39,14 @@ test_serial()
 int
 main(int argc, char* argv[])
 {
 int
 main(int argc, char* argv[])
 {

-    if (argc <= 1) {
+    if (argc != 2) {
+        printf("usage: testp path_to_dev\n");

         return 1;
     }
 
     char* target = argv[1];
 
         return 1;
     }
 
     char* target = argv[1];
 

-    if (!strcmp(target, "serial")) {
-        test_serial();
-    } else {
-        printf("unknown test: %s\n", target);
-        return 1;
-    }
+    test_serial(target, 1);

 
     return 0;
 }
\ No newline at end of file
 
     return 0;
 }
\ No newline at end of file