Move file obj to separate module

4 files changed, 97 insertions, 84 deletions

diff --git a/stm/Makefile b/stm/Makefile
index ab69109583..497fffa996 100644
--- a/stm/Makefile
+++ b/stm/Makefile
@@ -65,6 +65,7 @@ SRC_C = \
 	usrsw.c \
 	adc.c \
 	rtc.c \
+	file.c \
 #	pybwlan.c \
 
 SRC_S = \
diff --git a/stm/file.c b/stm/file.c
new file mode 100644
index 0000000000..35bfca16a5
--- /dev/null
+++ b/stm/file.c
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <stm32f4xx.h>
+
+#include "misc.h"
+#include "mpconfig.h"
+#include "mpconfigport.h"
+#include "qstr.h"
+#include "obj.h"
+#include "file.h"
+#include "ff.h"
+
+typedef struct _pyb_file_obj_t {
+    mp_obj_base_t base;
+    FIL fp;
+} pyb_file_obj_t;
+
+void file_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    printf("<file %p>", self_in);
+}
+
+mp_obj_t file_obj_read(mp_obj_t self_in, mp_obj_t arg) {
+    pyb_file_obj_t *self = self_in;
+    int n = mp_obj_get_int(arg);
+    byte *buf = m_new(byte, n);
+    UINT n_out;
+    f_read(&self->fp, buf, n, &n_out);
+    return mp_obj_new_str(buf, n_out, false);
+}
+
+mp_obj_t file_obj_write(mp_obj_t self_in, mp_obj_t arg) {
+    pyb_file_obj_t *self = self_in;
+    uint l;
+    const byte *s = mp_obj_str_get_data(arg, &l);
+    UINT n_out;
+    FRESULT res = f_write(&self->fp, s, l, &n_out);
+    if (res != FR_OK) {
+        printf("File error: could not write to file; error code %d\n", res);
+    } else if (n_out != l) {
+        printf("File error: could not write all data to file; wrote %d / %d bytes\n", n_out, l);
+    }
+    return mp_const_none;
+}
+
+mp_obj_t file_obj_close(mp_obj_t self_in) {
+    pyb_file_obj_t *self = self_in;
+    f_close(&self->fp);
+    return mp_const_none;
+}
+
+static MP_DEFINE_CONST_FUN_OBJ_2(file_obj_read_obj, file_obj_read);
+static MP_DEFINE_CONST_FUN_OBJ_2(file_obj_write_obj, file_obj_write);
+static MP_DEFINE_CONST_FUN_OBJ_1(file_obj_close_obj, file_obj_close);
+
+// TODO gc hook to close the file if not already closed
+
+static const mp_method_t file_methods[] = {
+    { "read", &file_obj_read_obj },
+    { "write", &file_obj_write_obj },
+    { "close", &file_obj_close_obj },
+    {NULL, NULL},
+};
+
+static const mp_obj_type_t file_obj_type = {
+    { &mp_const_type },
+    "File",
+    .print = file_obj_print,
+    .methods = file_methods,
+};
+
+mp_obj_t pyb_io_open(mp_obj_t o_filename, mp_obj_t o_mode) {
+    const char *filename = mp_obj_str_get_str(o_filename);
+    const char *mode = mp_obj_str_get_str(o_mode);
+    pyb_file_obj_t *self = m_new_obj(pyb_file_obj_t);
+    self->base.type = &file_obj_type;
+    if (mode[0] == 'r') {
+        // open for reading
+        FRESULT res = f_open(&self->fp, filename, FA_READ);
+        if (res != FR_OK) {
+            printf("FileNotFoundError: [Errno 2] No such file or directory: '%s'\n", filename);
+            return mp_const_none;
+        }
+    } else if (mode[0] == 'w') {
+        // open for writing, truncate the file first
+        FRESULT res = f_open(&self->fp, filename, FA_WRITE | FA_CREATE_ALWAYS);
+        if (res != FR_OK) {
+            printf("?FileError: could not create file: '%s'\n", filename);
+            return mp_const_none;
+        }
+    } else {
+        printf("ValueError: invalid mode: '%s'\n", mode);
+        return mp_const_none;
+    }
+    return self;
+}
diff --git a/stm/file.h b/stm/file.h
new file mode 100644
index 0000000000..3845635deb
--- /dev/null
+++ b/stm/file.h
@@ -0,0 +1 @@
+mp_obj_t pyb_io_open(mp_obj_t o_filename, mp_obj_t o_mode);
diff --git a/stm/main.c b/stm/main.c
index 92c3772d5f..2ce2b6dc61 100644
--- a/stm/main.c
+++ b/stm/main.c
@@ -43,6 +43,7 @@
 #include "usrsw.h"
 #include "adc.h"
 #include "rtc.h"
+#include "file.h"
 
 int errno;
 
@@ -544,90 +545,6 @@ mp_obj_t pyb_hid_send_report(mp_obj_t arg) {
     return mp_const_none;
 }
 
-typedef struct _pyb_file_obj_t {
-    mp_obj_base_t base;
-    FIL fp;
-} pyb_file_obj_t;
-
-void file_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
-    printf("<file %p>", self_in);
-}
-
-mp_obj_t file_obj_read(mp_obj_t self_in, mp_obj_t arg) {
-    pyb_file_obj_t *self = self_in;
-    int n = mp_obj_get_int(arg);
-    byte *buf = m_new(byte, n);
-    UINT n_out;
-    f_read(&self->fp, buf, n, &n_out);
-    return mp_obj_new_str(buf, n_out, false);
-}
-
-mp_obj_t file_obj_write(mp_obj_t self_in, mp_obj_t arg) {
-    pyb_file_obj_t *self = self_in;
-    uint l;
-    const byte *s = mp_obj_str_get_data(arg, &l);
-    UINT n_out;
-    FRESULT res = f_write(&self->fp, s, l, &n_out);
-    if (res != FR_OK) {
-        printf("File error: could not write to file; error code %d\n", res);
-    } else if (n_out != l) {
-        printf("File error: could not write all data to file; wrote %d / %d bytes\n", n_out, l);
-    }
-    return mp_const_none;
-}
-
-mp_obj_t file_obj_close(mp_obj_t self_in) {
-    pyb_file_obj_t *self = self_in;
-    f_close(&self->fp);
-    return mp_const_none;
-}
-
-static MP_DEFINE_CONST_FUN_OBJ_2(file_obj_read_obj, file_obj_read);
-static MP_DEFINE_CONST_FUN_OBJ_2(file_obj_write_obj, file_obj_write);
-static MP_DEFINE_CONST_FUN_OBJ_1(file_obj_close_obj, file_obj_close);
-
-// TODO gc hook to close the file if not already closed
-
-static const mp_method_t file_methods[] = {
-    { "read", &file_obj_read_obj },
-    { "write", &file_obj_write_obj },
-    { "close", &file_obj_close_obj },
-    {NULL, NULL},
-};
-
-static const mp_obj_type_t file_obj_type = {
-    { &mp_const_type },
-    "File",
-    .print = file_obj_print,
-    .methods = file_methods,
-};
-
-mp_obj_t pyb_io_open(mp_obj_t o_filename, mp_obj_t o_mode) {
-    const char *filename = mp_obj_str_get_str(o_filename);
-    const char *mode = mp_obj_str_get_str(o_mode);
-    pyb_file_obj_t *self = m_new_obj(pyb_file_obj_t);
-    self->base.type = &file_obj_type;
-    if (mode[0] == 'r') {
-        // open for reading
-        FRESULT res = f_open(&self->fp, filename, FA_READ);
-        if (res != FR_OK) {
-            printf("FileNotFoundError: [Errno 2] No such file or directory: '%s'\n", filename);
-            return mp_const_none;
-        }
-    } else if (mode[0] == 'w') {
-        // open for writing, truncate the file first
-        FRESULT res = f_open(&self->fp, filename, FA_WRITE | FA_CREATE_ALWAYS);
-        if (res != FR_OK) {
-            printf("?FileError: could not create file: '%s'\n", filename);
-            return mp_const_none;
-        }
-    } else {
-        printf("ValueError: invalid mode: '%s'\n", mode);
-        return mp_const_none;
-    }
-    return self;
-}
-
 mp_obj_t pyb_rng_get(void) {
     return mp_obj_new_int(RNG_GetRandomNumber() >> 16);
 }