cli: add 'usb' command to change port

bfc40d99 · Juan David González Cobas · a63e2a49 · bfc40d99
Commit bfc40d99 authored Mar 29, 2021 by Juan David González Cobas
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ertm-cli libertm/ertm-cli +15 -0

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--- a/libertm/ertm-cli
+++ b/libertm/ertm-cli
@@ -162,6 +162,21 @@ class ErtmTest(cmd.Cmd):
            print('could not open USB device')
            exit()

+    def do_usb(self, args):
+        if not args:
+            usb = self.handle[0].connection.serial_connection
+            print(str(usb, encoding='utf-8'))
+            return
+        try:
+            usb = bytes(args, encoding='utf-8')
+            handle = self.lib.ertm_init(c_char_p(usb))
+            if not handle:
+                print('could not open USB device')
+            else:
+                self.handle = handle
+        except TypeError as e:
+            print('bad encoding in devname {}'.format(args))
+
    def do_lib_version(self, args):
        "show library version info."
        self.lib.ertm_lib_version.restype = POINTER(ertm_lib_version)