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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
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platform/robert/boot/src/drivers/system_flash.h Normal file
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/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "stm32f7xx.h"
#define ADDR_FLASH_SECTOR_0 ((uint32_t)0x08000000) /* Base @ of Sector 0, 32 Kbytes */
#define ADDR_FLASH_SECTOR_1 ((uint32_t)0x08008000) /* Base @ of Sector 1, 32 Kbytes */
#define ADDR_FLASH_SECTOR_2 ((uint32_t)0x08010000) /* Base @ of Sector 2, 32 Kbytes */
#define ADDR_FLASH_SECTOR_3 ((uint32_t)0x08018000) /* Base @ of Sector 3, 32 Kbytes */
#define ADDR_FLASH_SECTOR_4 ((uint32_t)0x08020000) /* Base @ of Sector 4, 128 Kbytes */
#define ADDR_FLASH_SECTOR_5 ((uint32_t)0x08040000) /* Base @ of Sector 5, 256 Kbytes */
#define ADDR_FLASH_SECTOR_6 ((uint32_t)0x08080000) /* Base @ of Sector 6, 256 Kbytes */
#define ADDR_FLASH_SECTOR_7 ((uint32_t)0x080C0000) /* Base @ of Sector 7, 256 Kbytes */
#define ADDR_FLASH_SECTOR_8 ((uint32_t)0x08100000) /* Base @ of Sector 8, 256 Kbytes */
#define ADDR_FLASH_SECTOR_9 ((uint32_t)0x08140000) /* Base @ of Sector 9, 256 Kbytes */
#define ADDR_FLASH_SECTOR_10 ((uint32_t)0x08180000) /* Base @ of Sector 10, 256 Kbytes */
#define ADDR_FLASH_SECTOR_11 ((uint32_t)0x081C0000) /* Base @ of Sector 11, 256 Kbytes */
typedef void (*SystemFlashProgressCb)(uint32_t progress, uint32_t total, void *context);
// Erase the sectors of flash which lie within the given address range.
//
// If the address range overlaps even one single byte of a sector, the entire
// sector is erased.
//
// If progress_callback is not NULL, it is called at the beginning of the erase
// process and after each sector is erased. The rational number (progress/total)
// increases monotonically as the sector erasue procedure progresses.
//
// Returns true if successful, false if an error occurred.
bool system_flash_erase(uint32_t address, size_t length, SystemFlashProgressCb progress_callback,
void *progress_context);
// Write data into flash. The flash must already be erased.
//
// If progress_callback is not NULL, it is called at the beginning of the
// writing process and periodically thereafter. The rational number
// (progress/total) increases monotonically as the data is written.
//
// Returns true if successful, false if an error occurred.
bool system_flash_write(uint32_t address, const void *data, size_t length);