Changeset f658458 in mainline for uspace/app/test_serial/test_serial.c

Timestamp:

2010-05-02T20:49:09Z (15 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bb864a0

Parents:

25a7e11d

Message:

parts of generic char interface, fixed some bugs

File:

• uspace/app/test_serial/test_serial.c (modified) (3 diffs)

uspace/app/test_serial/test_serial.c

@@ -56 +56 @@
 
 #define NAME            "test serial"
-#define MYROOM          2
-#define UpSection1      25
-#define DwnSection1 26
-#define UpSection2      27
-#define DwnSection2 28
-
+
+/*
 static int device_get_handle(const char *name, dev_handle_t *handle);
 static void print_usage();
@@ -105 +101 @@
 
 
-/*
- * The name of a serial device must be between 'com0' and 'com9'.
- */ 
+// The name of a serial device must be between 'com0' and 'com9'.
 static bool is_com_dev(const char *dev_name) 
 {
@@ -168 +162 @@
         
         return 0;
-}
+}*/
+
+
+#include <ipc/devman.h>
+#include <devman.h>
+#include <device/char.h>
+
+
+static void print_usage()
+{
+        printf("Usage: \n test_serial count \n where count is a number of characters to be read\n");    
+}
+
+
+int main(int argc, char *argv[])
+{
+        if (argc != 2) {
+                printf(NAME ": incorrect number of arguments.\n");
+                print_usage();
+                return 0;               
+        }
+        
+        long int cnt = strtol(argv[1], NULL, 10);
+        
+        int res;
+        res = devman_get_phone(DEVMAN_CLIENT, IPC_FLAG_BLOCKING);
+        device_handle_t handle;
+        
+        if (EOK != (res = devman_device_get_handle("/hw/pci0/00:01.0/com1", &handle, IPC_FLAG_BLOCKING))) {
+                printf(NAME ": could not get the device handle, errno = %d.\n", -res);
+                return 1;
+        }
+        
+        printf(NAME ": device handle is %d.\n", handle);        
+        
+        int phone;
+        if (0 >= (phone = devman_device_connect(handle, IPC_FLAG_BLOCKING))) {
+                printf(NAME ": could not connect to the device, errno = %d.\n", -res);
+                devman_hangup_phone(DEVMAN_CLIENT);             
+                return 2;
+        }
+        
+        char *buf = (char *)malloc(cnt+1);
+        if (NULL == buf) {
+                printf(NAME ": failed to allocate the input buffer\n");
+                ipc_hangup(phone);
+                devman_hangup_phone(DEVMAN_CLIENT);
+                return 3;
+        }
+        
+        int read = read_dev(phone, buf, cnt);
+        if (0 > read) {
+                printf(NAME ": failed read from device, errno = %d.\n", -read);
+                ipc_hangup(phone);
+                devman_hangup_phone(DEVMAN_CLIENT);
+                return 4;
+        }
+        
+        buf[cnt+1] = 0;
+        printf(NAME ": read data: '%s'.", buf);
+        
+        devman_hangup_phone(DEVMAN_CLIENT);
+        ipc_hangup(phone);
+        
+        return 0;
+}
+
 
 /** @}