diff --git a/port/stm32-f4discovery-cc256x/cubemx-f4discovery-cc256x/Makefile b/port/stm32-f4discovery-cc256x/cubemx-f4discovery-cc256x/Makefile
index 6dcb52cb4..b7d34a338 100644
--- a/port/stm32-f4discovery-cc256x/cubemx-f4discovery-cc256x/Makefile
+++ b/port/stm32-f4discovery-cc256x/cubemx-f4discovery-cc256x/Makefile
@@ -95,6 +95,7 @@ btstack_linked_list.c \
 btstack_memory.c \
 btstack_memory_pool.c \
 btstack_ring_buffer.c \
+btstack_stdin_embedded.c \
 btstack_run_loop.c \
 btstack_run_loop_embedded.c \
 btstack_tlv.c \
diff --git a/port/stm32-f4discovery-cc256x/src/btstack_config.h b/port/stm32-f4discovery-cc256x/src/btstack_config.h
index b25dd0f2c..75600cf01 100644
--- a/port/stm32-f4discovery-cc256x/src/btstack_config.h
+++ b/port/stm32-f4discovery-cc256x/src/btstack_config.h
@@ -8,6 +8,7 @@
 // Port related features
 #define HAVE_EMBEDDED_TIME_MS
 #define HAVE_AUDIO_DMA
+#define HAVE_BTSTACK_STDIN
 
 // BTstack features that can be enabled
 #define ENABLE_BLE
@@ -18,15 +19,15 @@
 // #define ENABLE_LOG_INFO
 #define ENABLE_LOG_ERROR
 #define ENABLE_SCO_OVER_HCI
+#define ENABLE_HFP_WIDE_BAND_SPEECH
 #define ENABLE_CC256X_BAUDRATE_CHANGE_FLOWCONTROL_BUG_WORKAROUND
 // #define ENABLE_EHCILL
 // #define ENABLE_SEGGER_RTT
 
-
 // BTstack configuration. buffers, sizes, ...
 #define HCI_ACL_PAYLOAD_SIZE 1021
 #define MAX_NR_GATT_CLIENTS 1
-#define MAX_NR_HCI_CONNECTIONS 1
+#define MAX_NR_HCI_CONNECTIONS 2
 #define MAX_NR_L2CAP_SERVICES  3
 #define MAX_NR_L2CAP_CHANNELS  4
 #define MAX_NR_RFCOMM_MULTIPLEXERS 1