get data from Kernel driver

1st version of the json file with the header

recipes-vrpmdv/recipes-base/vrpmdv-rtservice/files/include/RTSMonitoringTask.h

@@ -1,13 +1,68 @@
 /*
-*/
+ * Copyright (c) 2024 Markus Lehr.
+ * 
+ *
+ * SPDX-License-Identifier: Owend property of Markus Lehr
+ * 
+ */
+
+#ifndef RTS_INCLUDE_RTSMONITORINGTASK_H_
+#define RTS_INCLUDE_RTSMONITORINGTASK_H_
+
 #include "RTSCoproHelper.h"
 #include "RTSMonFrame.h"
 #include <pthread.h>
 #include <map>
 #include <string>
+#include <atomic>
+
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/eventfd.h>
+#include <sys/poll.h>
+#include <fcntl.h>
+#include <regex.h>
+#include <sched.h>
+#include <signal.h>
+
+#include <inttypes.h>
+#include <termios.h>
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#include <errno.h>
+#include <error.h>
+#include <signal.h>
+#include <stdio.h>
 
 
 
+#define NB_BUF 1
+
+
+typedef struct
+{
+    int bufferId, eventfd;
+} rpmsg_sdb_ioctl_set_efd;
+ 
+typedef struct
+{
+    int bufferId;
+    uint32_t size;
+} rpmsg_sdb_ioctl_get_data_size;
+
+
+struct vRCMDeviceData {
+	uint32_t  packageNo;  //current package Number
+	uint32_t  packageCount; //complete package Number
+	uint32_t  dataQuantity;	//number of uint32_t in data
+	uint32_t  data[]; //the data
+};
+
 
 class RTSMonitoringTask
 {
@@ -15,13 +70,35 @@ private:
     /* data */
     //lock Element
 
+    //std::map<int, RTSMonFrame*> rtsMonFrames;
+    pthread_t monThread;
+
+
+
     /* The file descriptor used to manage our TTY over RPMSG */
     int mFdRpmsg[2] = {-1, -1};
     RTSCoproHelper coproHelper;
+    /* The file descriptor used to manage our SDB over RPMSG */
+    int mFdSdbRpmsg = -1;
 
-    std::map<int, RTSMonFrame*> rtsMonFrames;
+    rpmsg_sdb_ioctl_get_data_size q_get_data_size;
 
-    pthread_t monThread;
+    rpmsg_sdb_ioctl_set_efd q_set_efd;
+
+    int mefd[NB_BUF];
+    void* mmappedData[NB_BUF];
+    bool mfMappedData = false;
+    struct pollfd mfds[NB_BUF];
+    //uint8_t mDdrBuffAwaited = 1;
+    uint32_t mNbUncompData=0;
+    uint32_t mNbWrittenInFileData;
+    uint32_t mNbUncompMB=0;
+    uint32_t mNbPrevUncompMB=0;
+    uint32_t mNbTty0Frame=0;
+    char mByteBuffCpy[512];
+    struct timeval tval_before, tval_after, tval_result;
+
+    std::atomic_bool mRunThread= true;
 
 public:
 
@@ -30,13 +107,24 @@ public:
 
     //static RTSMonitoringTask& Instance();
     bool Init();
-    bool CreateMonitoring(int id, std::string name, int samplerate, int sampleperiod, int downtime, std::string status);
+    //bool CreateMonitoring(int id, std::string name, int samplerate, int sampleperiod, int downtime, std::string status);
     bool LoadFW();
     bool Start(); 
     bool Stop();
 
+    int Open(std::string monfilename);
+    bool Close();
+    std::string Read();
+    bool GetRunState();
+    void SetRunState(bool runThread);    
+
 private: 
     static void* Run(void *obj);
     bool Load();
 
 };
+
+
+
+#endif /* RTS_INCLUDE_RTSMONITORINGTASK_H_ */
+