cc3200: Improve uniflash script and make it a bit more verbose.

cc3200/tools/uniflash.py

@@ -22,6 +22,27 @@ def print_exception(e):
     print ('Exception: {}, on line {}'.format(e, sys.exc_info()[-1].tb_lineno))
 
 
+def execute(command):
+    process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    cmd_log = ""
+
+    # Poll process for new output until finished
+    while True:
+        nextline = process.stdout.readline()
+        if nextline == '' and process.poll() != None:
+            break
+        sys.stdout.write(nextline)
+        sys.stdout.flush()
+        cmd_log += nextline
+
+    output = process.communicate()[0]
+    exitCode = process.returncode
+
+    if exitCode == 0:
+        return cmd_log
+    else:
+        raise ProcessException(command, exitCode, output)
+
 def main():
     cmd_parser = argparse.ArgumentParser(description='Flash the WiPy and optionally run a small test on it.')
     cmd_parser.add_argument('-u', '--uniflash', default=None, help='the path to the uniflash cli executable')
@@ -30,7 +51,7 @@ def main():
     cmd_parser.add_argument('-s', '--servicepack', default=None, help='the path to the servicepack file')
     args = cmd_parser.parse_args()
 
-    result = 1
+    output = ""
     com_port = 'com=' + str(args.port)
     servicepack_path = 'spPath=' + args.servicepack
 
@@ -38,19 +59,23 @@ def main():
         if args.uniflash == None or args.config == None:
             raise ValueError('uniflash path and config path are mandatory')
         if args.servicepack == None:
-            subprocess.check_call([args.uniflash, '-config', args.config, '-setOptions', com_port, '-operations', 'format', 'program'], stderr=subprocess.STDOUT)
+            output += execute([args.uniflash, '-config', args.config, '-setOptions', com_port, '-operations', 'format', 'program'])
         else:
-            subprocess.check_call([args.uniflash, '-config', args.config, '-setOptions', com_port, servicepack_path, '-operations', 'format', 'servicePackUpdate', 'program'], stderr=subprocess.STDOUT)
-        result = 0
+            output += execute([args.uniflash, '-config', args.config, '-setOptions', com_port, servicepack_path, '-operations', 'format', 'servicePackUpdate', 'program'])
     except Exception as e:
         print_exception(e)
+        output = ""
     finally:
-        if result:
-            print ("ERROR: Programming failed!")
+        if "Finish Executing operation: program" in output:
+            print("======================================")
+            print("Board programmed OK")
+            print("======================================")
+            sys.exit(0)
         else:
-            print ("Board programmed OK")
-        sys.exit(result)
-
+            print("======================================")
+            print("ERROR: Programming failed!")
+            print("======================================")
+            sys.exit(1)
 
 if __name__ == "__main__":
     main()