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, 3 insertions, 0 deletions

diff --git a/stmhal/pybstdio.h b/stmhal/pybstdio.h
new file mode 100644
index 000000000..7e10fc865
--- /dev/null
+++ b/stmhal/pybstdio.h
@@ -0,0 +1,3 @@
+void stdout_tx_str(const char *str);
+void stdout_tx_strn(const char *str, uint len);
+int stdin_rx_chr(void);