clean board uart read & write

2019-03-20 20:58:27 +07:00
parent da55610f43
commit 20fb416783
10 changed files with 83 additions and 43 deletions
@@ -168,8 +168,8 @@ size_t __read(int handle, unsigned char *buf, size_t bufSize)
  size_t i;
  for (i=0; i<bufSize; i++)
  {
-    uint8_t ch = board_uart_getchar();
-    if (ch == 0) break;
+    int8_t ch = board_uart_getchar();
+    if (ch == -1) break;
    buf[i] = ch;
  }