From 4681b86850076c013be2477d3850fd536361b62e Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Tue, 24 May 2016 01:37:56 +0300
Subject: [PATCH] esp8266/esp_mphal: Handle Ctrl+C from dupterm (e.g. WebREPL).

---
 esp8266/esp_mphal.c | 4 ++++
 esp8266/esp_mphal.h | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/esp8266/esp_mphal.c b/esp8266/esp_mphal.c
index eabf8ca20..04154a378 100644
--- a/esp8266/esp_mphal.c
+++ b/esp8266/esp_mphal.c
@@ -176,6 +176,10 @@ static int call_dupterm_read(void) {
             mp_uos_deactivate("dupterm: EOF received, deactivating\n", MP_OBJ_NULL);
             return -1;
         }
+        if (*(byte*)bufinfo.buf == interrupt_char) {
+            mp_keyboard_interrupt();
+            return -2;
+        }
         return *(byte*)bufinfo.buf;
     } else {
         mp_uos_deactivate("dupterm: Exception in read() method, deactivating: ", nlr.ret_val);
diff --git a/esp8266/esp_mphal.h b/esp8266/esp_mphal.h
index 13b1c8fdf..377bbeb6a 100644
--- a/esp8266/esp_mphal.h
+++ b/esp8266/esp_mphal.h
@@ -29,6 +29,9 @@
 
 #include "py/ringbuf.h"
 
+void mp_keyboard_interrupt(void);
+extern int interrupt_char;
+
 struct _mp_print_t;
 // Structure for UART-only output via mp_printf()
 extern const struct _mp_print_t mp_debug_print;