bsim_remote.h

/* ########################################################################
 
   PICSimLab - Programmable IC Simulator Laboratory
 
   ########################################################################
 
   Copyright (c) : 2010-2026 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
   For e-mail suggestions :  lcgamboa@yahoo.com
   ######################################################################## */
 
#ifndef BOARD_REMOTETCP_H
#define BOARD_REMOTETCP_H
 
#include <stdint.h>
#include "../devices/bitbang_i2c.h"
#include "../devices/bitbang_spi.h"
#include "../devices/bitbang_uart.h"
#include "../lib/board.h"
 
//===================== Ripes protocol =========================================
typedef struct {
    uint32_t msg_type;
    uint32_t payload_size;
    uint64_t time;
} cmd_header_t;
 
enum { VB_PINFO = 1, VB_PWRITE, VB_PREAD, VB_PSTATUS, VB_QUIT, VB_SYNC, VB_LAST };
//==============================================================================
 
#define TTIMEOUT (BASETIMER * 1000000L)
 
class bsim_remote : virtual public board {
public:
    bsim_remote(void);
    ~bsim_remote(void);
    int DebugInit(int dtyppe) override;
    std::string GetDebugName(void) override { return "NONE"; };
    void DebugLoop(void) override;
    int CpuInitialized(void) override;
    void MSetSerial(const char* port) override;
    int MInit(const char* processor, const char* fname, float freq) override;
    void MEnd(void) override;
    int MGetArchitecture(void) override;
    std ::string GetSimBackends(void) override { return "Remote TCP/IP,"; };
    std ::string GetDebuggers(void) override { return "N/A,"; };
    int MDumpMemory(const char* fname) override;
    void MEraseFlash(void) override;
    void MSetFreq(float freq) override;
    float MGetFreq(void) override;
    void MSetVCC(float vcc) override;
    float MGetVCC(void) override;
    float MGetInstClockFreq(void) override;
    int MGetPinCount(void) override;
    std::string MGetPinName(int pin) override;
    void MSetPin(int pin, unsigned char value) override;
    void MSetPinDOV(int pin, unsigned char ovalue) override;
    void MSetPinOAV(int pin, float value) override;
    void MSetAPin(int pin, float value) override;
    unsigned char MGetPin(int pin) override;
    const picpin* MGetPinsValues(void) override;
    float* MGetPinOAVPtr(int pin) override;
    void MStep(void) override;
    void MStepResume(void) override {};
    int MReset(int flags) override;
    int MGetResetPin(void) override;
    int MGetIOUpdated(void) override;
    void MClearIOUpdated(void) override;
    virtual void Run_CPU_ns(uint64_t time) = 0;
    int GetInc_ns(void) { return inc_ns; };
    int GetUARTRX(const int uart_num) override;
    int GetUARTTX(const int uart_num) override;
    virtual std::string GetClkLabel(void) override { return "IO (Mhz)"; };
    // Called ever 1s to refresh status
    void RefreshStatus(void) override;
 
protected:
    const int TestConnection(void);
    const int DataAvaliable(void);
    void ConnectionError(const char* s_error);
    void Disconnect(void);
    void pins_reset(void);
    //===================== Ripes protocol =========================================
    int32_t recv_cmd(cmd_header_t* cmd_header);
    int32_t recv_payload(char* buff, const uint32_t payload_size);
    int32_t send_cmd(const uint32_t cmd, const char* payload = NULL, const uint32_t payload_size = 0);
//==============================================================================
#ifdef _WIN_
    HANDLE serialfd[4];
#else
    int serialfd[4];
#endif
    int procid;
    picpin pins[MAX_PIN_COUNT];
    unsigned int serialbaud;
    float serialexbaud;
    float freq;
    int sockfd;
    int connected;
    char fname_[300];
    char fname_bak[300];
    unsigned short ADCvalues[16];
 
    unsigned short Dirs[2] = {0xFF, 0xFF};
    unsigned short Ports[2] = {0x00, 0x00};
    unsigned short t0CNT = 0;
    unsigned short t0STA = 0;
    unsigned short t0CON = 0x7FFF;
    unsigned short t0PR = 0xFFFF;
    unsigned short t0iclk = 0;
 
    int64_t timerlast = 0;
    unsigned int inc_ns = 0;
    unsigned int ns_count = 0;
 
    bitbang_i2c_t master_i2c[2];
    bitbang_spi_t master_spi[2];
    bitbang_uart_t master_uart[2];
};
 
#endif /* BOARD_REMOTETCP_H */