improved error handling: C_busy now returns 0 if C_failed is called

diff --git a/modules/src/em_code/em.c b/modules/src/em_code/em.c
index f5f2442..d5db2de 100644 (file)
--- a/modules/src/em_code/em.c
+++ b/modules/src/em_code/em.c
@@ -71,6 +71,7 @@ C_flush() {
        }
 #endif
        if (C_opp != obuf && sys_write(C_ofp, obuf, C_opp - obuf) == 0) {
+               C_ofp = 0;
                C_failed();
        }
        C_opp = obuf;