3 files changed, 7 insertions, 4 deletions
diff --git a/pic16bit/modpybled.c b/pic16bit/modpybled.c
index c44bb1d243..1610dc5680 100644
--- a/pic16bit/modpybled.c
+++ b/pic16bit/modpybled.c
@@ -41,9 +41,9 @@ STATIC const pyb_led_obj_t pyb_led_obj[] = {
 #define NUM_LED MP_ARRAY_SIZE(pyb_led_obj)
 #define LED_ID(obj) ((obj) - &pyb_led_obj[0] + 1)
 
-void pyb_led_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+void pyb_led_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
     pyb_led_obj_t *self = self_in;
-    print(env, "LED(%u)", LED_ID(self));
+    mp_printf(print, "LED(%u)", LED_ID(self));
 }
 
 STATIC mp_obj_t pyb_led_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
diff --git a/pic16bit/modpybswitch.c b/pic16bit/modpybswitch.c
index f5047b78f4..901e478cc9 100644
--- a/pic16bit/modpybswitch.c
+++ b/pic16bit/modpybswitch.c
@@ -40,9 +40,9 @@ STATIC const pyb_switch_obj_t pyb_switch_obj[] = {
 #define NUM_SWITCH MP_ARRAY_SIZE(pyb_switch_obj)
 #define SWITCH_ID(obj) ((obj) - &pyb_switch_obj[0] + 1)
 
-void pyb_switch_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+void pyb_switch_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
     pyb_switch_obj_t *self = self_in;
-    print(env, "Switch(%u)", SWITCH_ID(self));
+    mp_printf(print, "Switch(%u)", SWITCH_ID(self));
 }
 
 STATIC mp_obj_t pyb_switch_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
diff --git a/pic16bit/mpconfigport.h b/pic16bit/mpconfigport.h
index 06ed6669ea..d58401a905 100644
--- a/pic16bit/mpconfigport.h
+++ b/pic16bit/mpconfigport.h
@@ -86,6 +86,9 @@ typedef void *machine_ptr_t; // must be pointer size
 typedef const void *machine_const_ptr_t; // must be pointer size
 typedef int mp_off_t;
 
+void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len);
+#define MP_PLAT_PRINT_STRN(str, len) mp_hal_stdout_tx_strn_cooked(str, len)
+
 // extra builtin names to add to the global namespace
 extern const struct _mp_obj_fun_builtin_t mp_builtin_open_obj;
 #define MICROPY_PORT_BUILTINS \