fsfw/storagemanager/storeAddress.h

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2020-09-29 14:51:25 +02:00
#ifndef FSFW_STORAGEMANAGER_STOREADDRESS_H_
#define FSFW_STORAGEMANAGER_STOREADDRESS_H_
#include <cstdint>
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namespace storeId {
static constexpr uint32_t INVALID_STORE_ADDRESS = 0xffffffff;
}
/**
* This union defines the type that identifies where a data packet is
* stored in the store. It comprises of a raw part to read it as raw value and
* a structured part to use it in pool-like stores.
*/
union store_address_t {
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/**
* Default Constructor, initializing to INVALID_ADDRESS
*/
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store_address_t(): raw(storeId::INVALID_STORE_ADDRESS){}
/**
* Constructor to create an address object using the raw address
*
* @param rawAddress
*/
store_address_t(uint32_t rawAddress):raw(rawAddress){}
/**
* Constructor to create an address object using pool
* and packet indices
*
* @param poolIndex
* @param packetIndex
*/
store_address_t(uint16_t poolIndex, uint16_t packetIndex):
pool_index(poolIndex),packet_index(packetIndex){}
/**
* A structure with two elements to access the store address pool-like.
*/
struct {
/**
* The index in which pool the packet lies.
*/
uint16_t pool_index;
/**
* The position in the chosen pool.
*/
uint16_t packet_index;
};
/**
* Alternative access to the raw value.
*/
uint32_t raw;
bool operator==(const store_address_t& other) const {
return raw == other.raw;
}
};
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#endif /* FSFW_STORAGEMANAGER_STOREADDRESS_H_ */