stmhal: Factor out stdio and readline to separate files.

Adds readline_init() to clear readline history on soft reset.  Addresses
issue #387.

1 files changed, 2 insertions, 0 deletions

diff --git a/stmhal/readline.h b/stmhal/readline.h
new file mode 100644
index 000000000..6b1baee32
--- /dev/null
+++ b/stmhal/readline.h
@@ -0,0 +1,2 @@
+void readline_init(void);
+int readline(vstr_t *line, const char *prompt);