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[flash] implement flash storage driver for settings (#4552)

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This commit is contained in:
Jonathan Hui
2020-03-18 20:51:41 -07:00
parent 4ee8010558
commit b3d05af6ff
9 changed files with 866 additions and 0 deletions
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tests/unit/test_platform.cpp
+68
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@@ -47,6 +47,14 @@ testPlatRadioReceive g_testPlatRadioReceive = NULL;
testPlatRadioTransmit g_testPlatRadioTransmit = NULL;
testPlatRadioGetTransmitBuffer g_testPlatRadioGetTransmitBuffer = NULL;
enum
{
FLASH_SWAP_SIZE = 2048,
FLASH_SWAP_NUM = 2,
};
uint8_t g_flash[FLASH_SWAP_SIZE * FLASH_SWAP_NUM];
void testPlatResetToDefaults(void)
{
g_testPlatAlarmSet = false;
@@ -543,6 +551,66 @@ void otPlatSettingsWipe(otInstance *aInstance)
OT_UNUSED_VARIABLE(aInstance);
}
void otPlatFlashInit(otInstance *aInstance)
{
OT_UNUSED_VARIABLE(aInstance);
memset(g_flash, 0xff, sizeof(g_flash));
}
uint32_t otPlatFlashGetSwapSize(otInstance *aInstance)
{
OT_UNUSED_VARIABLE(aInstance);
return FLASH_SWAP_SIZE;
}
void otPlatFlashErase(otInstance *aInstance, uint8_t aSwapIndex)
{
OT_UNUSED_VARIABLE(aInstance);
uint32_t address;
VerifyOrQuit(aSwapIndex < FLASH_SWAP_NUM, "aSwapIndex invalid");
address = aSwapIndex ? FLASH_SWAP_SIZE : 0;
memset(g_flash + address, 0xff, FLASH_SWAP_SIZE);
}
void otPlatFlashRead(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, void *aData, uint32_t aSize)
{
OT_UNUSED_VARIABLE(aInstance);
uint32_t address;
VerifyOrQuit(aSwapIndex < FLASH_SWAP_NUM, "aSwapIndex invalid");
VerifyOrQuit(aSize <= FLASH_SWAP_SIZE, "aSize invalid");
VerifyOrQuit(aOffset <= (FLASH_SWAP_SIZE - aSize), "aOffset + aSize invalid");
address = aSwapIndex ? FLASH_SWAP_SIZE : 0;
memcpy(aData, g_flash + address + aOffset, aSize);
}
void otPlatFlashWrite(otInstance *aInstance, uint8_t aSwapIndex, uint32_t aOffset, const void *aData, uint32_t aSize)
{
OT_UNUSED_VARIABLE(aInstance);
uint32_t address;
VerifyOrQuit(aSwapIndex < FLASH_SWAP_NUM, "aSwapIndex invalid");
VerifyOrQuit(aSize <= FLASH_SWAP_SIZE, "aSize invalid");
VerifyOrQuit(aOffset <= (FLASH_SWAP_SIZE - aSize), "aOffset + aSize invalid");
address = aSwapIndex ? FLASH_SWAP_SIZE : 0;
for (uint32_t index = 0; index < aSize; index++)
{
g_flash[address + aOffset + index] &= ((uint8_t *)aData)[index];
}
}
#if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
uint64_t otPlatTimeGet(void)
{