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Prepare flash code for multiple device type support (#5683)

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* Prepare flash drivers for multiple device type support

* Add static assertions on device page and flashfs alloc sizes.
This commit is contained in:
jflyper 2018-04-19 18:05:42 +09:00 • committed by Michael Keller
parent 4a5e79a534
commit 864dba98c1
13 changed files with 387 additions and 187 deletions
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src/main/drivers/flash_impl.h Normal file
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/*
* This file is part of Betaflight/Cleanflight.
*
* Betaflight/Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Betaflight/Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*
* Author: jflyper
*/
#pragma once
#include "drivers/bus.h"
struct flashVTable_s;
typedef struct flashDevice_s {
busDevice_t *busdev;
const struct flashVTable_s *vTable;
flashGeometry_t geometry;
uint32_t currentWriteAddress;
bool isLargeFlash;
// Whether we've performed an action that could have made the device busy
// for writes. This allows us to avoid polling for writable status
// when it is definitely ready already.
bool couldBeBusy;
} flashDevice_t;
typedef struct flashVTable_s {
bool (*isReady)(flashDevice_t *fdevice);
bool (*waitForReady)(flashDevice_t *fdevice, uint32_t timeoutMillis);
void (*eraseSector)(flashDevice_t *fdevice, uint32_t address);
void (*eraseCompletely)(flashDevice_t *fdevice);
void (*pageProgramBegin)(flashDevice_t *fdevice, uint32_t address);
void (*pageProgramContinue)(flashDevice_t *fdevice, const uint8_t *data, int length);
void (*pageProgramFinish)(flashDevice_t *fdevice);
void (*pageProgram)(flashDevice_t *fdevice, uint32_t address, const uint8_t *data, int length);
void (*flush)(flashDevice_t *fdevice);
int (*readBytes)(flashDevice_t *fdevice, uint32_t address, uint8_t *buffer, int length);
const flashGeometry_t *(*getGeometry)(flashDevice_t *fdevice);
} flashVTable_t;