nRF52 update with internal file system support

1 files changed, 61 insertions, 0 deletions

diff --git a/ports/nrf/internal_flash.h b/ports/nrf/internal_flash.h
new file mode 100644
index 000000000..db41065fe
--- /dev/null
+++ b/ports/nrf/internal_flash.h
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_ATMEL_SAMD_INTERNAL_FLASH_H
+#define MICROPY_INCLUDED_ATMEL_SAMD_INTERNAL_FLASH_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "mpconfigport.h"
+
+#define FLASH_ROOT_POINTERS
+
+#define FLASH_PAGE_SIZE             0x1000
+#define CIRCUITPY_INTERNAL_NVM_SIZE 0
+
+#define INTERNAL_FLASH_SYSTICK_MASK    (0x1ff) // 512ms
+#define INTERNAL_FLASH_IDLE_TICK(tick) (((tick) & INTERNAL_FLASH_SYSTICK_MASK) == 2)
+
+void internal_flash_init(void);
+uint32_t internal_flash_get_block_size(void);
+uint32_t internal_flash_get_block_count(void);
+void internal_flash_irq_handler(void);
+void internal_flash_flush(void);
+bool internal_flash_read_block(uint8_t *dest, uint32_t block);
+bool internal_flash_write_block(const uint8_t *src, uint32_t block);
+
+// these return 0 on success, non-zero on error
+mp_uint_t internal_flash_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks);
+mp_uint_t internal_flash_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks);
+
+extern const struct _mp_obj_type_t internal_flash_type;
+
+struct _fs_user_mount_t;
+
+void flash_init_vfs(struct _fs_user_mount_t *vfs);
+void flash_flush(void);
+
+#endif  // MICROPY_INCLUDED_ATMEL_SAMD_INTERNAL_FLASH_H