extmod: Move fsusermount.c from stmhal for cross-port reuse.

py/builtin.h

@@ -105,4 +105,7 @@ extern const mp_obj_module_t mp_module_ussl;
 extern const mp_obj_module_t mp_module_machine;
 extern const mp_obj_module_t mp_module_lwip;
 
+// extmod functions
+MP_DECLARE_CONST_FUN_OBJ(pyb_mount_obj);
+
 #endif // __MICROPY_INCLUDED_PY_BUILTIN_H__

py/py.mk

@@ -167,6 +167,7 @@ PY_O_BASENAME = \
 	../extmod/modubinascii.o \
 	../extmod/modmachine.o \
 	../extmod/modussl.o \
+	../extmod/fsusermount.o \
 
 # prepend the build destination prefix to the py object files
 PY_O = $(addprefix $(PY_BUILD)/, $(PY_O_BASENAME))

stmhal/Makefile

@@ -153,7 +153,6 @@ SRC_C = \
 	storage.c \
 	file.c \
 	sdcard.c \
-	fsusermount.c \
 	diskio.c \
 	ffconf.c \
 	lcd.c \

stmhal/diskio.c

@@ -38,7 +38,7 @@
 #include "rtc.h"
 #include "storage.h"
 #include "sdcard.h"
-#include "fsusermount.h"
+#include "extmod/fsusermount.h"
 
 const PARTITION VolToPart[] = {
     {0, 1},     // Logical drive 0 ==> Physical drive 0, 1st partition

stmhal/ffconf.c

@@ -30,7 +30,7 @@
 #include "lib/fatfs/ff.h"
 #include "lib/fatfs/ffconf.h"
 #include "lib/fatfs/diskio.h"
-#include "fsusermount.h"
+#include "extmod/fsusermount.h"
 
 STATIC bool check_path(const TCHAR **path, const char *mount_point_str, mp_uint_t mount_point_len) {
     if (strncmp(*path, mount_point_str, mount_point_len) == 0) {

stmhal/modpyb.c

@@ -33,6 +33,7 @@
 #include "py/nlr.h"
 #include "py/obj.h"
 #include "py/gc.h"
+#include "py/builtin.h"
 #include "lib/utils/pyexec.h"
 #include "lib/fatfs/ff.h"
 #include "lib/fatfs/diskio.h"
@@ -58,7 +59,6 @@
 #include "dac.h"
 #include "lcd.h"
 #include "usb.h"
-#include "fsusermount.h"
 #include "portmodules.h"
 #include "modmachine.h"
 

stmhal/moduos.c

@@ -38,7 +38,7 @@
 #include "uart.h"
 #include "file.h"
 #include "sdcard.h"
-#include "fsusermount.h"
+#include "extmod/fsusermount.h"
 #include "portmodules.h"
 
 /// \module os - basic "operating system" services