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[efr32mg12] implement otPlatFlash APIs (#4552)
This commit is contained in:
Jonathan Hui
@@ -31,114 +31,65 @@
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* This file implements the OpenThread platform abstraction for the non-volatile storage.
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*/
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#include <openthread-core-config.h>
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#include <string.h>
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#include <openthread/config.h>
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#include <openthread/platform/alarm-milli.h>
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#include "utils/code_utils.h"
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#include "utils/flash.h"
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#include <openthread/instance.h>
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#include "em_msc.h"
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// clang-format off
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#define FLASH_DATA_END_ADDR (FLASH_BASE + FLASH_SIZE)
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#define FLASH_DATA_START_ADDR (FLASH_DATA_END_ADDR - (FLASH_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM))
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// clang-format on
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#define FLASH_PAGE_NUM 4
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#define FLASH_DATA_END_ADDR (FLASH_BASE + FLASH_SIZE)
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#define FLASH_DATA_START_ADDR (FLASH_DATA_END_ADDR - (FLASH_PAGE_SIZE * FLASH_PAGE_NUM))
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#define FLASH_SWAP_SIZE (FLASH_PAGE_SIZE * (FLASH_PAGE_NUM / 2))
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static inline uint32_t mapAddress(uint32_t aAddress)
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static inline uint32_t mapAddress(uint8_t aSwapIndex, uint32_t aOffset)
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{
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return aAddress + FLASH_DATA_START_ADDR;
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}
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uint32_t address;
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static otError returnTypeConvert(int32_t aStatus)
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{
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otError error = OT_ERROR_NONE;
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address = FLASH_DATA_START_ADDR + aOffset;
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switch (aStatus)
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if (aSwapIndex)
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{
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case mscReturnOk:
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error = OT_ERROR_NONE;
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break;
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case mscReturnInvalidAddr:
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case mscReturnUnaligned:
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error = OT_ERROR_INVALID_ARGS;
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break;
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default:
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error = OT_ERROR_FAILED;
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address += FLASH_SWAP_SIZE;
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}
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return error;
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return address;
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}
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otError utilsFlashInit(void)
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void otPlatFlashInit(otInstance *aInstance)
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{
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OT_UNUSED_VARIABLE(aInstance);
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MSC_Init();
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return OT_ERROR_NONE;
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}
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uint32_t utilsFlashGetSize(void)
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uint32_t otPlatFlashGetSwapSize(otInstance *aInstance)
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{
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return FLASH_DATA_END_ADDR - FLASH_DATA_START_ADDR;
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OT_UNUSED_VARIABLE(aInstance);
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return FLASH_SWAP_SIZE;
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}
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otError utilsFlashErasePage(uint32_t aAddress)
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void otPlatFlashErase(otInstance *aInstance, uint8_t aSwapIndex)
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{
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int32_t status;
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OT_UNUSED_VARIABLE(aInstance);
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status = MSC_ErasePage((uint32_t *)mapAddress(aAddress));
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return returnTypeConvert(status);
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}
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otError utilsFlashStatusWait(uint32_t aTimeout)
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{
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otError error = OT_ERROR_BUSY;
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uint32_t start = otPlatAlarmMilliGetNow();
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do
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MSC_ErasePage((uint32_t *)mapAddress(aSwapIndex, 0));
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while ((MSC->STATUS & MSC_STATUS_WDATAREADY) == 0)
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{
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if (MSC->STATUS & MSC_STATUS_WDATAREADY)
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{
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error = OT_ERROR_NONE;
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break;
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}
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} while (aTimeout && ((otPlatAlarmMilliGetNow() - start) < aTimeout));
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return error;
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}
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uint32_t utilsFlashWrite(uint32_t aAddress, uint8_t *aData, uint32_t aSize)
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{
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uint32_t rval = aSize;
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int32_t status;
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otEXPECT_ACTION(aData, rval = 0);
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otEXPECT_ACTION(((aAddress + aSize) < utilsFlashGetSize()) && (!(aAddress & 3)) && (!(aSize & 3)), rval = 0);
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status = MSC_WriteWord((uint32_t *)mapAddress(aAddress), aData, aSize);
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otEXPECT_ACTION(returnTypeConvert(status) == OT_ERROR_NONE, rval = 0);
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exit:
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return rval;
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}
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uint32_t utilsFlashRead(uint32_t aAddress, uint8_t *aData, uint32_t aSize)
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{
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uint32_t rval = aSize;
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uint32_t pAddress = mapAddress(aAddress);
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uint8_t *byte = aData;
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otEXPECT_ACTION(aData, rval = 0);
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otEXPECT_ACTION((aAddress + aSize) < utilsFlashGetSize(), rval = 0);
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while (aSize--)
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{
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*byte++ = (*(uint8_t *)(pAddress++));
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}
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}
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exit:
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return rval;
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void otPlatFlashWrite(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, const void *aData, uint32_t aSize)
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{
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OT_UNUSED_VARIABLE(aInstance);
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MSC_WriteWord((uint32_t *)mapAddress(aSwapIndex, aOffset), aData, aSize);
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}
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void otPlatFlashRead(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, void *aData, uint32_t aSize)
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{
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OT_UNUSED_VARIABLE(aInstance);
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memcpy(aData, (uint8_t *)mapAddress(aSwapIndex, aOffset), aSize);
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}
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@@ -104,28 +104,14 @@
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#define OPENTHREAD_CONFIG_SOFTWARE_ENERGY_SCAN_ENABLE 0
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/**
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* @def SETTINGS_CONFIG_BASE_ADDRESS
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* @def OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE
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*
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* The base address of settings.
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* Define to 1 to enable otPlatFlash* APIs to support non-volatile storage.
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*
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* When defined to 1, the platform MUST implement the otPlatFlash* APIs instead of the otPlatSettings* APIs.
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*
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*/
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#define SETTINGS_CONFIG_BASE_ADDRESS 0
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/**
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* @def SETTINGS_CONFIG_PAGE_SIZE
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*
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* The page size of settings.
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*
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*/
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#define SETTINGS_CONFIG_PAGE_SIZE FLASH_PAGE_SIZE
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/**
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* @def SETTINGS_CONFIG_PAGE_NUM
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*
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* The page number of settings.
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*
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*/
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#define SETTINGS_CONFIG_PAGE_NUM 4
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#define OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE 1
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/**
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* @def OPENTHREAD_CONFIG_NCP_UART_ENABLE
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