60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
// See LICENSE.Berkeley for license details.
|
|
|
|
#ifndef REMOTE_BITBANG_H
|
|
#define REMOTE_BITBANG_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
class remote_bitbang_t
|
|
{
|
|
public:
|
|
// Create a new server, listening for connections from localhost on the given
|
|
// port.
|
|
remote_bitbang_t(uint16_t port);
|
|
|
|
// Do a bit of work.
|
|
void tick(unsigned char * jtag_tck,
|
|
unsigned char * jtag_tms,
|
|
unsigned char * jtag_tdi,
|
|
unsigned char * jtag_trstn,
|
|
unsigned char jtag_tdo);
|
|
|
|
unsigned char done() {return quit;}
|
|
|
|
int exit_code() {return err;}
|
|
|
|
private:
|
|
|
|
int err;
|
|
|
|
unsigned char tck;
|
|
unsigned char tms;
|
|
unsigned char tdi;
|
|
unsigned char trstn;
|
|
unsigned char tdo;
|
|
unsigned char quit;
|
|
|
|
int socket_fd;
|
|
int client_fd;
|
|
|
|
static const ssize_t buf_size = 64 * 1024;
|
|
char recv_buf[buf_size];
|
|
ssize_t recv_start, recv_end;
|
|
|
|
// Check for a client connecting, and accept if there is one.
|
|
void accept();
|
|
// Execute any commands the client has for us.
|
|
// But we only execute 1 because we need time for the
|
|
// simulation to run.
|
|
void execute_command();
|
|
|
|
// Reset. Currently does nothing.
|
|
void reset();
|
|
|
|
void set_pins(char _tck, char _tms, char _tdi);
|
|
|
|
};
|
|
|
|
#endif
|