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[kw41z] implement otPlatFlash APIs (#4552)

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This commit is contained in:
Jonathan Hui
2020-03-18 20:51:41 -07:00
parent f86438e740
commit f33b47e151
2 changed files with 40 additions and 72 deletions
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examples/platforms/kw41z/flash.c
+35 -53
View File
@@ -26,85 +26,67 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <openthread/instance.h>
#include "fsl_device_registers.h"
#include "fsl_flash.h"
#include <stdint.h>
#include <utils/code_utils.h>
#include <utils/flash.h>
#include "openthread/platform/alarm-milli.h"
#define FLASH_BASE_ADDRESS 0x40000
#define FLASH_PAGE_SIZE 0x800
#define FLASH_PAGE_NUM 2
#define FLASH_SWAP_SIZE (FLASH_PAGE_SIZE * (FLASH_PAGE_NUM / 2))
static flash_config_t sFlashConfig;
otError utilsFlashInit(void)
static uint32_t mapAddress(uint8_t aSwapIndex, uint32_t aOffset)
{
otError error = OT_ERROR_NONE;
uint32_t address = FLASH_BASE_ADDRESS + aOffset;
if (FLASH_Init(&sFlashConfig) != kStatus_FLASH_Success)
if (aSwapIndex)
{
error = OT_ERROR_FAILED;
address += FLASH_SWAP_SIZE;
}
return error;
return address;
}
uint32_t utilsFlashGetSize(void)
void otPlatFlashInit(otInstance *aInstance)
{
return FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE;
OT_UNUSED_VARIABLE(aInstance);
FLASH_Init(&sFlashConfig);
}
otError utilsFlashErasePage(uint32_t aAddress)
uint32_t otPlatFlashGetSwapSize(otInstance *aInstance)
{
otError error;
status_t status;
OT_UNUSED_VARIABLE(aInstance);
status = FLASH_Erase(&sFlashConfig, aAddress, FSL_FEATURE_FLASH_PFLASH_BLOCK_SECTOR_SIZE, kFLASH_ApiEraseKey);
return FLASH_SWAP_SIZE;
}
if (status == kStatus_FLASH_Success)
void otPlatFlashErase(otInstance *aInstance, uint32_t aSwapIndex)
{
OT_UNUSED_VARIABLE(aInstance);
FLASH_Erase(&sFlashConfig, mapAddress(aSwapIndex, 0), FSL_FEATURE_FLASH_PFLASH_BLOCK_SECTOR_SIZE,
kFLASH_ApiEraseKey);
while ((FTFA->FSTAT & FTFA_FSTAT_CCIF_MASK) == 0)
{
error = OT_ERROR_NONE;
}
else if (status == kStatus_FLASH_AlignmentError)
{
error = OT_ERROR_INVALID_ARGS;
}
else
{
error = OT_ERROR_FAILED;
}
return error;
}
otError utilsFlashStatusWait(uint32_t aTimeout)
void otPlatFlashWrite(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, const void *aData, uint32_t aSize)
{
otError error = OT_ERROR_BUSY;
uint32_t start = otPlatAlarmMilliGetNow();
OT_UNUSED_VARIABLE(aInstance);
do
{
if (FTFA->FSTAT & FTFA_FSTAT_CCIF_MASK)
{
error = OT_ERROR_NONE;
break;
}
} while (aTimeout && ((otPlatAlarmMilliGetNow() - start) < aTimeout));
return error;
FLASH_Program(&sFlashConfig, mapAddress(aSwapIndex, aOffset), (uint32_t *)aData, aSize);
}
uint32_t utilsFlashWrite(uint32_t aAddress, uint8_t *aData, uint32_t aSize)
void otPlatFlashRead(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, void *aData, uint32_t aSize)
{
if (FLASH_Program(&sFlashConfig, aAddress, (uint32_t *)aData, aSize) != kStatus_FLASH_Success)
{
aSize = 0;
}
OT_UNUSED_VARIABLE(aInstance);
return aSize;
}
uint32_t utilsFlashRead(uint32_t aAddress, uint8_t *aData, uint32_t aSize)
{
memcpy(aData, (uint8_t *)aAddress, aSize);
return aSize;
memcpy(aData, (void *)mapAddress(aSwapIndex, aOffset), aSize);
}
examples/platforms/kw41z/openthread-core-kw41z-config.h
+5 -19
View File
@@ -53,28 +53,14 @@
#define OPENTHREAD_CONFIG_PLATFORM_INFO "KW41Z"
/**
* @def SETTINGS_CONFIG_BASE_ADDRESS
* @def OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE
*
* The base address of settings.
* Define to 1 to enable otPlatFlash* APIs to support non-volatile storage.
*
* When defined to 1, the platform MUST implement the otPlatFlash* APIs instead of the otPlatSettings* APIs.
*
*/
#define SETTINGS_CONFIG_BASE_ADDRESS 0x40000
/**
* @def SETTINGS_CONFIG_PAGE_SIZE
*
* The page size of settings.
*
*/
#define SETTINGS_CONFIG_PAGE_SIZE 0x800
/**
* @def SETTINGS_CONFIG_PAGE_NUM
*
* The page number of settings.
*
*/
#define SETTINGS_CONFIG_PAGE_NUM 2
#define OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE 1
/**
* @def RADIO_CONFIG_SRC_MATCH_ENTRY_NUM