Subversion Repositories riscv_vhdl

/**
 * @file
 * @copyright  Copyright 2016 GNSS Sensor Ltd. All right reserved.
 * @author     Sergey Khabarov - sergeykhbr@gmail.com
 * @brief      Thread interface declaration.
 */
 
#ifndef __DEBUGGER_ITHREAD_H__
#define __DEBUGGER_ITHREAD_H__
 
#include <iface.h>
#include <api_core.h>
 
namespace debugger {
 
static const char *const IFACE_THREAD = "IThread";
 
class IThread : public IFace {
 public:
    IThread() : IFace(IFACE_THREAD) {
        AttributeType t1;
        RISCV_generate_name(&t1);
        RISCV_event_create(&loopEnable_, t1.to_string());
        threadInit_.Handle = 0;
    }
 
    /** create and start seperate thread */
    virtual bool run() {
        threadInit_.func = reinterpret_cast<lib_thread_func>(runThread);
        threadInit_.args = this;
        RISCV_thread_create(&threadInit_);
 
        if (threadInit_.Handle) {
            RISCV_event_set(&loopEnable_);
        }
        return loopEnable_.state;
    }
 
    /** @brief Stop and join thread */
    virtual void stop() {
        RISCV_event_clear(&loopEnable_);
        if (threadInit_.Handle) {
            RISCV_thread_join(threadInit_.Handle, 50000);
        }
        threadInit_.Handle = 0;
    }
 
    /** check thread status */
    virtual bool isEnabled() { return loopEnable_.state; }
 
    /** Pass data from the parent thread */
    virtual void setExtArgument(void *args) {}
 
 protected:
    /** working cycle function */
    virtual void busyLoop() =0;
 
    static void runThread(void *arg) {
        reinterpret_cast<IThread *>(arg)->busyLoop();
    }
 
 protected:
    event_def loopEnable_;
    LibThreadType threadInit_;
};
 
}  // namespace debugger
 
#endif  // __DEBUGGER_ITHREAD_H__