drivers/display/lcd160cr: Add check that JPEG size is less than 65536.

2017-02-27 18:39:35 +11:00 · 2017-02-27 18:39:35 +11:00 · 528aeb3bf3
commit 528aeb3bf3
parent f4a12dca58
1 changed files with 2 additions and 0 deletions
--- a/drivers/display/lcd160cr.py
+++ b/drivers/display/lcd160cr.py
@ -446,6 +446,8 @@ class LCD160CR:
        self._send(s)

    def jpeg_start(self, l):
+        if l > 0xffff:
+            raise ValueError('length must be 65535 or less')
        self.oflush()
        self._fcmd2('<BBH', 0x6a, l)