Create supervisor module.

It can control autoreload and the rgb status led.

7 files changed, 39 insertions, 28 deletions

diff --git a/main.c b/main.c
index 5f73713cb..7ed93ddf5 100644
--- a/main.c
+++ b/main.c
@@ -290,18 +290,14 @@ int __attribute__((used)) main(void) {
     bool first_run = true;
     for (;;) {
         if (!skip_repl) {
-            // The REPL mode can change, or it can request a reload.
-            bool autoreload_on = autoreload_is_enabled();
-            autoreload_disable();
+            autoreload_suspend();
             new_status_color(REPL_RUNNING);
             if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
                 exit_code = pyexec_raw_repl();
             } else {
                 exit_code = pyexec_friendly_repl();
             }
-            if (autoreload_on) {
-                autoreload_enable();
-            }
+            autoreload_resume();
             reset_port();
             reset_board();
             reset_mp();
diff --git a/ports/atmel-samd/Makefile b/ports/atmel-samd/Makefile
index ccf029a7f..916bc559f 100644
--- a/ports/atmel-samd/Makefile
+++ b/ports/atmel-samd/Makefile
@@ -221,7 +221,6 @@ SRC_C = \
 	tick.c \
 	usb.c \
 	usb_mass_storage.c \
-	bindings/samd/__init__.c \
 	boards/$(BOARD)/board.c \
 	boards/$(BOARD)/pins.c \
 	lib/oofatfs/ff.c \
@@ -314,6 +313,7 @@ SRC_BINDINGS_ENUMS = \
 	digitalio/Pull.c \
 	help.c \
 	math/__init__.c \
+	supervisor/__init__.c \
 	util.c
 
 SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
diff --git a/ports/atmel-samd/mpconfigport.h b/ports/atmel-samd/mpconfigport.h
index 0728a643b..1db2d5a67 100644
--- a/ports/atmel-samd/mpconfigport.h
+++ b/ports/atmel-samd/mpconfigport.h
@@ -168,7 +168,7 @@ extern const struct _mp_obj_module_t cpy_nvm_module;
 extern const struct _mp_obj_module_t neopixel_write_module;
 extern const struct _mp_obj_module_t uheap_module;
 extern const struct _mp_obj_module_t ustack_module;
-extern const struct _mp_obj_module_t samd_module;
+extern const struct _mp_obj_module_t supervisor_module;
 extern const struct _mp_obj_module_t gamepad_module;
 extern const struct _mp_obj_module_t touchio_module;
 extern const struct _mp_obj_module_t usb_hid_module;
@@ -216,7 +216,6 @@ extern const struct _mp_obj_module_t usb_hid_module;
 //    { MP_OBJ_NEW_QSTR(MP_QSTR_gamepad),(mp_obj_t)&gamepad_module },
 //    { MP_OBJ_NEW_QSTR(MP_QSTR_usb_hid),(mp_obj_t)&usb_hid_module },
 //    { MP_OBJ_NEW_QSTR(MP_QSTR_storage), (mp_obj_t)&storage_module },
-//    { MP_OBJ_NEW_QSTR(MP_QSTR_samd),(mp_obj_t)&samd_module },
 
 
 #define MICROPY_PORT_BUILTIN_MODULES \
@@ -228,6 +227,7 @@ extern const struct _mp_obj_module_t usb_hid_module;
     { MP_OBJ_NEW_QSTR(MP_QSTR_os), (mp_obj_t)&os_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_random), (mp_obj_t)&random_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_struct), (mp_obj_t)&struct_module }, \
+    { MP_OBJ_NEW_QSTR(MP_QSTR_supervisor), (mp_obj_t)&supervisor_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_math), (mp_obj_t)&math_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_time), (mp_obj_t)&time_module },
     EXTRA_BUILTIN_MODULES
diff --git a/shared-bindings/index.rst b/shared-bindings/index.rst
index 229ae38d4..6dced5026 100644
--- a/shared-bindings/index.rst
+++ b/shared-bindings/index.rst
@@ -32,6 +32,7 @@ Module / Port      SAMD21   SAMD21 Express  ESP8266
 `random`           **Yes**  **Yes**         **Yes**
 `storage`          **Yes**  **Yes**         **Yes**
 `struct`           **Yes**  **Yes**         **Yes**
+`supervisor`       **Yes**  **Yes**         No
 `time`             **Yes**  **Yes**         **Yes**
 `touchio`          **Yes**  **Yes**         No
 `uheap`            Debug    Debug           Debug
diff --git a/ports/atmel-samd/bindings/samd/__init__.c b/shared-bindings/supervisor/__init__.c
index d2bc0e0c0..cbb138beb 100644
--- a/ports/atmel-samd/bindings/samd/__init__.c
+++ b/shared-bindings/supervisor/__init__.c
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2016-2017 Scott Shawcroft for Adafruit Industries
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -28,11 +28,11 @@
  #include "supervisor/shared/autoreload.h"
  #include "supervisor/shared/rgb_led_status.h"
 
-//| :mod:`samd` --- SAMD implementation settings
+//| :mod:`supervisor` --- Supervisor settings
 //| =================================================
 //|
-//| .. module:: samd
-//|   :synopsis: SAMD implementation settings
+//| .. module:: supervisor
+//|   :synopsis: Supervisor settings
 //|   :platform: SAMD21
 //|
 
@@ -40,29 +40,29 @@
 //|
 //|   Enable autoreload based on USB file write activity.
 //|
-STATIC mp_obj_t samd_enable_autoreload(void) {
+STATIC mp_obj_t supervisor_enable_autoreload(void) {
     autoreload_enable();
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_0(samd_enable_autoreload_obj, samd_enable_autoreload);
+MP_DEFINE_CONST_FUN_OBJ_0(supervisor_enable_autoreload_obj, supervisor_enable_autoreload);
 
 //| .. method:: disable_autoreload()
 //|
 //|   Disable autoreload based on USB file write activity until
 //|   `enable_autoreload` is called.
 //|
-STATIC mp_obj_t samd_disable_autoreload(void) {
+STATIC mp_obj_t supervisor_disable_autoreload(void) {
     autoreload_disable();
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_0(samd_disable_autoreload_obj, samd_disable_autoreload);
+MP_DEFINE_CONST_FUN_OBJ_0(supervisor_disable_autoreload_obj, supervisor_disable_autoreload);
 
 //| .. method:: set_rgb_status_brightness()
 //|
 //|   Set brightness of status neopixel from 0-255
 //|   `set_rgb_status_brightness` is called.
 //|
-STATIC mp_obj_t samd_set_rgb_status_brightness(mp_obj_t lvl){
+STATIC mp_obj_t supervisor_set_rgb_status_brightness(mp_obj_t lvl){
       // This must be int. If cast to uint8_t first, will never raise a ValueError.
       int brightness_int = mp_obj_get_int(lvl);
       if(brightness_int < 0 || brightness_int > 255){
@@ -71,18 +71,18 @@ STATIC mp_obj_t samd_set_rgb_status_brightness(mp_obj_t lvl){
       set_rgb_status_brightness((uint8_t)brightness_int);
       return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_1(samd_set_rgb_status_brightness_obj, samd_set_rgb_status_brightness);
+MP_DEFINE_CONST_FUN_OBJ_1(supervisor_set_rgb_status_brightness_obj, supervisor_set_rgb_status_brightness);
 
-STATIC const mp_rom_map_elem_t samd_module_globals_table[] = {
-    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_samd) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_enable_autoreload),  MP_ROM_PTR(&samd_enable_autoreload_obj)},
-    { MP_OBJ_NEW_QSTR(MP_QSTR_disable_autoreload),  MP_ROM_PTR(&samd_disable_autoreload_obj)},
-    { MP_OBJ_NEW_QSTR(MP_QSTR_set_rgb_status_brightness),  MP_ROM_PTR(&samd_set_rgb_status_brightness_obj)},
+STATIC const mp_rom_map_elem_t supervisor_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_supervisor) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_enable_autoreload),  MP_ROM_PTR(&supervisor_enable_autoreload_obj)},
+    { MP_OBJ_NEW_QSTR(MP_QSTR_disable_autoreload),  MP_ROM_PTR(&supervisor_disable_autoreload_obj)},
+    { MP_OBJ_NEW_QSTR(MP_QSTR_set_rgb_status_brightness),  MP_ROM_PTR(&supervisor_set_rgb_status_brightness_obj)},
 };
 
-STATIC MP_DEFINE_CONST_DICT(samd_module_globals, samd_module_globals_table);
+STATIC MP_DEFINE_CONST_DICT(supervisor_module_globals, supervisor_module_globals_table);
 
-const mp_obj_module_t samd_module = {
+const mp_obj_module_t supervisor_module = {
     .base = { &mp_type_module },
-    .globals = (mp_obj_dict_t*)&samd_module_globals,
+    .globals = (mp_obj_dict_t*)&supervisor_module_globals,
 };
diff --git a/supervisor/shared/autoreload.c b/supervisor/shared/autoreload.c
index b1d0f05a9..39c33c05e 100644
--- a/supervisor/shared/autoreload.c
+++ b/supervisor/shared/autoreload.c
@@ -31,13 +31,15 @@
 
 volatile uint32_t autoreload_delay_ms = 0;
 bool autoreload_enabled = false;
+static bool autoreload_suspended = false;
 volatile bool reload_next_character = false;
 
 inline void autoreload_tick() {
     if (autoreload_delay_ms == 0) {
         return;
     }
-    if (autoreload_delay_ms == 1 && autoreload_enabled && !reload_next_character) {
+    if (autoreload_delay_ms == 1 && autoreload_enabled &&
+        !autoreload_suspended && !reload_next_character) {
         mp_keyboard_interrupt();
         reload_next_character = true;
     }
@@ -53,6 +55,14 @@ void autoreload_disable() {
     autoreload_enabled = false;
 }
 
+void autoreload_suspend() {
+    autoreload_suspended = true;
+}
+
+void autoreload_resume() {
+    autoreload_suspended = false;
+}
+
 inline bool autoreload_is_enabled() {
     return autoreload_enabled;
 }
diff --git a/supervisor/shared/autoreload.h b/supervisor/shared/autoreload.h
index bc3c6d21d..62f9fe073 100644
--- a/supervisor/shared/autoreload.h
+++ b/supervisor/shared/autoreload.h
@@ -39,4 +39,8 @@ void autoreload_enable(void);
 void autoreload_disable(void);
 bool autoreload_is_enabled(void);
 
+// Temporarily turn it off. Used during the REPL.
+void autoreload_suspend(void);
+void autoreload_resume(void);
+
 #endif  // MICROPY_INCLUDED_SUPERVISOR_AUTORELOAD_H