50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
#ifndef BSP_Q7S_COMIF_I2COMIF_H_
|
|
#define BSP_Q7S_COMIF_I2COMIF_H_
|
|
|
|
#include <fsfw/objectmanager/SystemObject.h>
|
|
#include <fsfw/devicehandlers/DeviceCommunicationIF.h>
|
|
#include <bsp_q7s/comIF/cookies/I2cCookie.h>
|
|
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
/**
|
|
* @brief This is the communication interface for i2c devices connected
|
|
* to a system running a linux OS.
|
|
*
|
|
* @author J. Meier
|
|
*/
|
|
class I2cComIF: public DeviceCommunicationIF, public SystemObject {
|
|
public:
|
|
I2cComIF(object_id_t objectId);
|
|
|
|
virtual ~I2cComIF();
|
|
|
|
ReturnValue_t initializeInterface(CookieIF * cookie) override;
|
|
ReturnValue_t sendMessage(CookieIF *cookie,const uint8_t *sendData,
|
|
size_t sendLen) override;
|
|
ReturnValue_t getSendSuccess(CookieIF *cookie) override;
|
|
ReturnValue_t requestReceiveMessage(CookieIF *cookie,
|
|
size_t requestLen) override;
|
|
ReturnValue_t readReceivedMessage(CookieIF *cookie, uint8_t **buffer,
|
|
size_t *size) override;
|
|
|
|
private:
|
|
|
|
typedef struct I2cInstance {
|
|
int fileDescriptor;
|
|
std::vector<uint8_t> replyBuffer;
|
|
size_t replyLen;
|
|
} I2cInstance_t;
|
|
|
|
using I2cDeviceMap = std::unordered_map<address_t, I2cInstance_t>;
|
|
using I2cDeviceMapIter = I2cDeviceMap::iterator;
|
|
|
|
/* In this map all i2c devices will be registered with their address and
|
|
* the appropriate file descriptor will be stored */
|
|
I2cDeviceMap i2cDeviceMap;
|
|
I2cDeviceMapIter i2cDeviceMapIter;
|
|
};
|
|
|
|
#endif /* BSP_Q7S_COMIF_I2COMIF_H_ */
|