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implemented memory device, flashStorage and cached storage

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git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@268 05563f52-14a8-4384-a975-3d1654cca0fa
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mmi
2017-10-31 07:35:17 +00:00
parent a50a10995f
commit 76783a6061
17 changed files with 1103 additions and 13 deletions
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241
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/Platform/src/InternalFlash.c Normal file
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// -----------------------------------------------------------------------------
/// @file InternalFlash.c
/// @brief Description
// -----------------------------------------------------------------------------
// Micro-Key bv
// Industrieweg 28, 9804 TG Noordhorn
// Postbus 92, 9800 AB Zuidhorn
// The Netherlands
// Tel: +31 594 503020
// Fax: +31 594 505825
// Email: support@microkey.nl
// Web: www.microkey.nl
// -----------------------------------------------------------------------------
/// $Revision$
/// $Author$
/// $Date$
// (c) 2017 Micro-Key bv
// -----------------------------------------------------------------------------
/// @file InternalFlash.c
/// @ingroup {group_name}
// -----------------------------------------------------------------------------
// Include files
// -----------------------------------------------------------------------------
#include "Logger.h"
#include "MemoryDevice.h"
#include "InternalFlash.h"
// -----------------------------------------------------------------------------
// Constant and macro definitions
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// Type definitions
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// File-scope variables
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// Function declarations
// -----------------------------------------------------------------------------
static ErrorStatus read(const struct MemoryDevice* self, uint32_t* buffer, uint32_t address, unsigned int length);
static ErrorStatus write(const struct MemoryDevice* self, uint32_t* buffer, uint32_t address, unsigned int length);
static ErrorStatus erasePage(const struct MemoryDevice* self, unsigned int page);
// -----------------------------------------------------------------------------
// Function definitions
// -----------------------------------------------------------------------------
ErrorStatus InternalFlash_construct(struct InternalFlash* self)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
if (returnValue == SUCCESS)
{
returnValue = MemoryDevice_construct(&self->memoryDevice, INTERNAL_FLASH_BASE_ADDRESS, (INTERNAL_FLASH_BASE_ADDRESS + (INTERNAL_FLASH_NUMBER_OF_PAGES * INTERNAL_FLASH_PAGE_SIZE)), read, write, erasePage);
}
if (returnValue == SUCCESS)
{
self->startAddress = INTERNAL_FLASH_BASE_ADDRESS;
self->endAddress = (INTERNAL_FLASH_BASE_ADDRESS + (INTERNAL_FLASH_NUMBER_OF_PAGES * INTERNAL_FLASH_PAGE_SIZE));
self->pageSize = INTERNAL_FLASH_PAGE_SIZE;
self->initialized = true;
}
}
else
{
returnValue = ERROR;
}
return returnValue;
}
void InternalFlash_destruct(struct InternalFlash* self)
{
if (self->initialized)
{
MemoryDevice_destruct(&self->memoryDevice);
self->initialized = false;
}
}
ErrorStatus InternalFlash_write(const struct InternalFlash* self, uint32_t* buffer, uint32_t address, unsigned int length)
{
ErrorStatus returnValue = SUCCESS;
FLASH_Status FLASHStatus = FLASH_COMPLETE;
uint32_t _address = address;
uint32_t _endAddress = address + (length * 4);
if (self->initialized)
{
if (returnValue == SUCCESS)
{
// Verify start address boundaries
if ((_address < self->startAddress) && (_address >= self->endAddress))
{
// Start address is NOT OK
returnValue = ERROR;
}
}
if (returnValue == SUCCESS)
{
// Verify end address boundaries
if ((_endAddress >= self->endAddress))
{
// End address is NOT OK
returnValue = ERROR;
}
}
// Boundaries OK - Write to FLASH
if (returnValue == SUCCESS)
{
// Unlock the FLASH bank
FLASH_Unlock();
// Loop writing until end address is reached
int bufferIndex = 0;
while((_address < _endAddress) && (FLASHStatus == FLASH_COMPLETE))
{
FLASHStatus = FLASH_ProgramWord(_address, buffer[bufferIndex++]);
// 32bit data register requires increment by 4 for next word address
_address = _address + 4;
}
// After programming, lock the FLASH
FLASH_Lock();
}
}
else
{
returnValue = ERROR;
LOGGER_ERROR(mainLog, "BOEH");
}
return returnValue;
}
ErrorStatus InternalFlash_read(const struct InternalFlash* self, uint32_t* buffer, uint32_t address, unsigned int length)
{
ErrorStatus returnValue = SUCCESS;
uint32_t _address = address;
uint32_t _endAddress = address + (length * 4);
if (self->initialized)
{
if (returnValue == SUCCESS)
{
// Verify start address boundaries
if ((_address < self->startAddress) && (_address >= self->endAddress))
{
// Start address is NOT OK
returnValue = ERROR;
}
}
if (returnValue == SUCCESS)
{
// Verify end address boundaries
if ((_endAddress >= self->endAddress))
{
// End address is NOT OK
returnValue = ERROR;
}
}
// Boundaries OK - Read from FLASH
if (returnValue == SUCCESS)
{
// Loop reading until end address is reached
int bufferIndex = 0;
while(_address < _endAddress)
{
buffer[bufferIndex++] = *(uint32_t*) _address;
// 32bit data register requires increment by 4 for next word address
_address = _address + 4;
}
}
}
else
{
returnValue = ERROR;
}
return returnValue;
}
ErrorStatus InternalFlash_erasePage(const struct InternalFlash* self, unsigned int page)
{
ErrorStatus returnValue = SUCCESS;
FLASH_Status FLASHStatus;
if (self->initialized)
{
// Unlock the FLASH bank
FLASH_Unlock();
FLASHStatus = FLASH_ErasePage(self->startAddress + (self->pageSize * page));
// After programming, lock the FLASH
FLASH_Lock();
if (FLASHStatus != FLASH_COMPLETE)
{
returnValue = ERROR;
}
}
else
{
returnValue = ERROR;
}
return returnValue;
}
static ErrorStatus read(const struct MemoryDevice* self, uint32_t* buffer, uint32_t address, unsigned int length)
{
return InternalFlash_read((const struct InternalFlash*)self, buffer, address, length);
}
static ErrorStatus write(const struct MemoryDevice* self, uint32_t* buffer, uint32_t address, unsigned int length)
{
return InternalFlash_write((const struct InternalFlash*)self, buffer, address, length);
}
static ErrorStatus erasePage(const struct MemoryDevice* self, unsigned int page)
{
return InternalFlash_erasePage((const struct InternalFlash*)self, page);
}