remote_bitbang.c File Reference

Include dependency graph for remote_bitbang.c:

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Macros
#define	REMOTE_BITBANG_HOST_MAX   255

Enumerations
enum	block_bool { NO_BLOCK , BLOCK }
enum	flush_bool_t { NO_FLUSH , FLUSH_SEND_BUF }

Functions
static bb_value_t	char_to_int (int c)
	COMMAND_HANDLER (remote_bitbang_handle_remote_bitbang_host_command)
	COMMAND_HANDLER (remote_bitbang_handle_remote_bitbang_port_command)
	COMMAND_HANDLER (remote_bitbang_handle_remote_bitbang_use_remote_sleep_command)
static int	remote_bitbang_blink (int on)
static int	remote_bitbang_execute_queue (struct jtag_command *cmd_queue)
static int	remote_bitbang_fill_buf (enum block_bool block)
static int	remote_bitbang_flush (void)
static int	remote_bitbang_init (void)
static int	remote_bitbang_init_tcp (void)
static int	remote_bitbang_init_unix (void)
static int	remote_bitbang_queue (int c, flush_bool_t flush)
static int	remote_bitbang_quit (void)
static bb_value_t	remote_bitbang_read_sample (void)
static unsigned int	remote_bitbang_recv_buf_contiguous_available_space (void)
static bool	remote_bitbang_recv_buf_empty (void)
static bool	remote_bitbang_recv_buf_full (void)
static int	remote_bitbang_reset (int trst, int srst)
static int	remote_bitbang_sample (void)
static int	remote_bitbang_sleep (unsigned int microseconds)
static int	remote_bitbang_swd_write (int swclk, int swdio)
static void	remote_bitbang_swdio_drive (bool is_output)
static int	remote_bitbang_swdio_read (void)
static int	remote_bitbang_write (int tck, int tms, int tdi)

Variables
struct adapter_driver	remote_bitbang_adapter_driver
static struct bitbang_interface	remote_bitbang_bitbang
static const struct command_registration	remote_bitbang_command_handlers []
static int	remote_bitbang_fd
static char *	remote_bitbang_host
static struct jtag_interface	remote_bitbang_interface
static char *	remote_bitbang_port
static char	remote_bitbang_recv_buf [256]
static unsigned int	remote_bitbang_recv_buf_end
static unsigned int	remote_bitbang_recv_buf_start
static uint8_t	remote_bitbang_send_buf [512]
static unsigned int	remote_bitbang_send_buf_used
static const struct command_registration	remote_bitbang_subcommand_handlers []
static const char *const	remote_bitbang_transports [] = { "jtag", "swd", NULL }
static bool	use_remote_sleep

Macro Definition Documentation

REMOTE_BITBANG_HOST_MAX

#define REMOTE_BITBANG_HOST_MAX   255

Definition at line 25 of file remote_bitbang.c.

Enumeration Type Documentation

block_bool

enum block_bool

Enumerator
NO_BLOCK
BLOCK

Definition at line 87 of file remote_bitbang.c.

flush_bool_t

enum flush_bool_t

Enumerator
NO_FLUSH
FLUSH_SEND_BUF

Definition at line 141 of file remote_bitbang.c.

Function Documentation

char_to_int()

static bb_value_t char_to_int ( int  c )

static

Definition at line 172 of file remote_bitbang.c.

References BB_ERROR, BB_HIGH, BB_LOW, LOG_ERROR, and remote_bitbang_quit().

Referenced by remote_bitbang_read_sample().

COMMAND_HANDLER() [1/3]

COMMAND_HANDLER

(

remote_bitbang_handle_remote_bitbang_host_command

)

Definition at line 398 of file remote_bitbang.c.

References CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and remote_bitbang_host.

COMMAND_HANDLER() [2/3]

COMMAND_HANDLER

(

remote_bitbang_handle_remote_bitbang_port_command

)

Definition at line 386 of file remote_bitbang.c.

References CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, NULL, and remote_bitbang_port.

COMMAND_HANDLER() [3/3]

COMMAND_HANDLER

(

remote_bitbang_handle_remote_bitbang_use_remote_sleep_command

)

Definition at line 410 of file remote_bitbang.c.

References CMD_ARGC, CMD_ARGV, COMMAND_PARSE_ON_OFF, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and use_remote_sleep.

remote_bitbang_blink()

static int remote_bitbang_blink ( int  on )

static

Definition at line 247 of file remote_bitbang.c.

References FLUSH_SEND_BUF, and remote_bitbang_queue().

remote_bitbang_execute_queue()

static int remote_bitbang_execute_queue ( struct jtag_command *  cmd_queue )

static

Definition at line 459 of file remote_bitbang.c.

remote_bitbang_fill_buf()

static int remote_bitbang_fill_buf ( enum block_bool  block )

static

Definition at line 93 of file remote_bitbang.c.

References BLOCK, count, ERROR_FAIL, ERROR_OK, log_socket_error(), read_socket(), remote_bitbang_fd, remote_bitbang_flush(), remote_bitbang_recv_buf, remote_bitbang_recv_buf_contiguous_available_space(), remote_bitbang_recv_buf_empty(), remote_bitbang_recv_buf_end, remote_bitbang_recv_buf_full(), remote_bitbang_recv_buf_start, socket_block(), and socket_nonblock().

Referenced by remote_bitbang_read_sample(), and remote_bitbang_sample().

remote_bitbang_flush()

static int remote_bitbang_flush ( void  )

static

Definition at line 67 of file remote_bitbang.c.

References ERROR_FAIL, ERROR_OK, log_socket_error(), offset, remote_bitbang_fd, remote_bitbang_send_buf, remote_bitbang_send_buf_used, and write_socket().

Referenced by remote_bitbang_fill_buf(), remote_bitbang_queue(), and remote_bitbang_sleep().

remote_bitbang_init()

static int remote_bitbang_init ( void  )

static

Definition at line 364 of file remote_bitbang.c.

References ERROR_OK, LOG_INFO, remote_bitbang_bitbang, remote_bitbang_fd, remote_bitbang_init_tcp(), remote_bitbang_init_unix(), remote_bitbang_port, remote_bitbang_recv_buf_end, remote_bitbang_recv_buf_start, and socket_nonblock().

remote_bitbang_init_tcp()

static int remote_bitbang_init_tcp ( void  )

static

Definition at line 287 of file remote_bitbang.c.

References ERROR_FAIL, LOG_ERROR, LOG_INFO, log_socket_error(), remote_bitbang_host, and remote_bitbang_port.

Referenced by remote_bitbang_init().

remote_bitbang_init_unix()

static int remote_bitbang_init_unix ( void  )

static

Definition at line 337 of file remote_bitbang.c.

References addr, ERROR_FAIL, LOG_ERROR, LOG_INFO, log_socket_error(), and remote_bitbang_host.

Referenced by remote_bitbang_init().

remote_bitbang_queue()

static int remote_bitbang_queue ( int  c, flush_bool_t  flush  )

static

Definition at line 146 of file remote_bitbang.c.

References ARRAY_SIZE, ERROR_OK, FLUSH_SEND_BUF, remote_bitbang_flush(), remote_bitbang_send_buf, and remote_bitbang_send_buf_used.

Referenced by remote_bitbang_blink(), remote_bitbang_quit(), remote_bitbang_reset(), remote_bitbang_sample(), remote_bitbang_sleep(), remote_bitbang_swdio_drive(), remote_bitbang_swdio_read(), and remote_bitbang_write().

remote_bitbang_quit()

static int remote_bitbang_quit ( void  )

static

Definition at line 155 of file remote_bitbang.c.

References close_socket(), ERROR_FAIL, ERROR_OK, FLUSH_SEND_BUF, LOG_INFO, log_socket_error(), remote_bitbang_fd, remote_bitbang_host, remote_bitbang_port, and remote_bitbang_queue().

Referenced by char_to_int().

remote_bitbang_read_sample()

static bb_value_t remote_bitbang_read_sample ( void  )

static

Definition at line 194 of file remote_bitbang.c.

References BB_ERROR, BLOCK, char_to_int(), ERROR_OK, remote_bitbang_fill_buf(), remote_bitbang_recv_buf, remote_bitbang_recv_buf_empty(), and remote_bitbang_recv_buf_start.

Referenced by remote_bitbang_swdio_read().

remote_bitbang_recv_buf_contiguous_available_space()

static unsigned int remote_bitbang_recv_buf_contiguous_available_space ( void  )

static

Definition at line 53 of file remote_bitbang.c.

References remote_bitbang_recv_buf, remote_bitbang_recv_buf_end, and remote_bitbang_recv_buf_start.

Referenced by remote_bitbang_fill_buf().

remote_bitbang_recv_buf_empty()

static bool remote_bitbang_recv_buf_empty ( void  )

static

Definition at line 48 of file remote_bitbang.c.

References remote_bitbang_recv_buf_end, and remote_bitbang_recv_buf_start.

Referenced by remote_bitbang_fill_buf(), and remote_bitbang_read_sample().

remote_bitbang_recv_buf_full()

static bool remote_bitbang_recv_buf_full ( void  )

static

Definition at line 41 of file remote_bitbang.c.

References remote_bitbang_recv_buf, remote_bitbang_recv_buf_end, and remote_bitbang_recv_buf_start.

Referenced by remote_bitbang_fill_buf(), and remote_bitbang_sample().

remote_bitbang_reset()

static int remote_bitbang_reset ( int  trst, int  srst  )

static

Definition at line 213 of file remote_bitbang.c.

References FLUSH_SEND_BUF, and remote_bitbang_queue().

remote_bitbang_sample()

static int remote_bitbang_sample ( void  )

static

Definition at line 186 of file remote_bitbang.c.

References ERROR_FAIL, ERROR_OK, NO_BLOCK, NO_FLUSH, remote_bitbang_fill_buf(), remote_bitbang_queue(), and remote_bitbang_recv_buf_full().

remote_bitbang_sleep()

static int remote_bitbang_sleep ( unsigned int  microseconds )

static

Definition at line 221 of file remote_bitbang.c.

References ERROR_OK, jtag_sleep(), NO_FLUSH, remote_bitbang_flush(), remote_bitbang_queue(), and use_remote_sleep.

remote_bitbang_swd_write()

static int remote_bitbang_swd_write ( int  swclk, int  swdio  )

static

Definition at line 268 of file remote_bitbang.c.

remote_bitbang_swdio_drive()

static void remote_bitbang_swdio_drive ( bool  is_output )

static

Definition at line 253 of file remote_bitbang.c.

References ERROR_FAIL, FLUSH_SEND_BUF, LOG_ERROR, and remote_bitbang_queue().

remote_bitbang_swdio_read()

static int remote_bitbang_swdio_read ( void  )

static

Definition at line 260 of file remote_bitbang.c.

References BB_ERROR, ERROR_FAIL, FLUSH_SEND_BUF, remote_bitbang_queue(), and remote_bitbang_read_sample().

remote_bitbang_write()

static int remote_bitbang_write ( int  tck, int  tms, int  tdi  )

static

Definition at line 207 of file remote_bitbang.c.

References NO_FLUSH, and remote_bitbang_queue().

Variable Documentation

remote_bitbang_adapter_driver

struct adapter_driver remote_bitbang_adapter_driver

Initial value:

= {
    .name = "remote_bitbang",
    .transports = remote_bitbang_transports,
    .commands = remote_bitbang_command_handlers,
 
    .init = &remote_bitbang_init,
    .quit = &remote_bitbang_quit,
    .reset = &remote_bitbang_reset,
 
    .jtag_ops = &remote_bitbang_interface,
    .swd_ops = &bitbang_swd,
}

Definition at line 459 of file remote_bitbang.c.

remote_bitbang_bitbang

struct bitbang_interface remote_bitbang_bitbang

static

Initial value:

= {
    .buf_size = sizeof(remote_bitbang_recv_buf) - 1,
    .sample = &remote_bitbang_sample,
    .read_sample = &remote_bitbang_read_sample,
    .write = &remote_bitbang_write,
    .swdio_read = &remote_bitbang_swdio_read,
    .swdio_drive = &remote_bitbang_swdio_drive,
    .swd_write = &remote_bitbang_swd_write,
    .blink = &remote_bitbang_blink,
    .sleep = &remote_bitbang_sleep,
    .flush = &remote_bitbang_flush,
}

Definition at line 268 of file remote_bitbang.c.

Referenced by remote_bitbang_init().

remote_bitbang_command_handlers

const struct command_registration remote_bitbang_command_handlers[]

static

Initial value:

= {
    {
        .name = "remote_bitbang",
        .mode = COMMAND_ANY,
        .help = "perform remote_bitbang management",
        .chain = remote_bitbang_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 410 of file remote_bitbang.c.

remote_bitbang_fd

int remote_bitbang_fd

static

Definition at line 30 of file remote_bitbang.c.

Referenced by remote_bitbang_fill_buf(), remote_bitbang_flush(), remote_bitbang_init(), and remote_bitbang_quit().

remote_bitbang_host

char* remote_bitbang_host

static

Definition at line 27 of file remote_bitbang.c.

Referenced by COMMAND_HANDLER(), remote_bitbang_init_tcp(), remote_bitbang_init_unix(), and remote_bitbang_quit().

remote_bitbang_interface

struct jtag_interface remote_bitbang_interface

static

Initial value:

= {
    .execute_queue = &remote_bitbang_execute_queue,
}

Definition at line 459 of file remote_bitbang.c.

remote_bitbang_port

char* remote_bitbang_port

static

Definition at line 28 of file remote_bitbang.c.

Referenced by COMMAND_HANDLER(), remote_bitbang_init(), remote_bitbang_init_tcp(), and remote_bitbang_quit().

remote_bitbang_recv_buf

char remote_bitbang_recv_buf[256]

static

Definition at line 37 of file remote_bitbang.c.

Referenced by remote_bitbang_fill_buf(), remote_bitbang_read_sample(), remote_bitbang_recv_buf_contiguous_available_space(), and remote_bitbang_recv_buf_full().

remote_bitbang_recv_buf_end

unsigned int remote_bitbang_recv_buf_end

static

Definition at line 39 of file remote_bitbang.c.

Referenced by remote_bitbang_fill_buf(), remote_bitbang_init(), remote_bitbang_recv_buf_contiguous_available_space(), remote_bitbang_recv_buf_empty(), and remote_bitbang_recv_buf_full().

remote_bitbang_recv_buf_start

unsigned int remote_bitbang_recv_buf_start

static

Definition at line 38 of file remote_bitbang.c.

Referenced by remote_bitbang_fill_buf(), remote_bitbang_init(), remote_bitbang_read_sample(), remote_bitbang_recv_buf_contiguous_available_space(), remote_bitbang_recv_buf_empty(), and remote_bitbang_recv_buf_full().

remote_bitbang_send_buf

uint8_t remote_bitbang_send_buf[512]

static

Definition at line 31 of file remote_bitbang.c.

Referenced by remote_bitbang_flush(), and remote_bitbang_queue().

remote_bitbang_send_buf_used

unsigned int remote_bitbang_send_buf_used

static

Definition at line 32 of file remote_bitbang.c.

Referenced by remote_bitbang_flush(), and remote_bitbang_queue().

remote_bitbang_subcommand_handlers

const struct command_registration remote_bitbang_subcommand_handlers[]

static

Initial value:

= {
    {
        .name = "port",
        .handler = remote_bitbang_handle_remote_bitbang_port_command,
        .mode = COMMAND_CONFIG,
        .help = "Set the port to use to connect to the remote jtag.\n"
            "  if 0 or unset, use unix sockets to connect to the remote jtag.",
        .usage = "port_number",
    },
    {
        .name = "host",
        .handler = remote_bitbang_handle_remote_bitbang_host_command,
        .mode = COMMAND_CONFIG,
        .help = "Set the host to use to connect to the remote jtag.\n"
            "  if port is 0 or unset, this is the name of the unix socket to use.",
        .usage = "host_name",
    },
    {
        .name = "use_remote_sleep",
        .handler = remote_bitbang_handle_remote_bitbang_use_remote_sleep_command,
        .mode = COMMAND_CONFIG,
        .help = "Rather than executing sleep locally, include delays in the "
            "instruction stream for the remote host.",
        .usage = "(on|off)",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 410 of file remote_bitbang.c.

remote_bitbang_transports

const char* const remote_bitbang_transports[] = { "jtag", "swd", NULL }

static

Definition at line 408 of file remote_bitbang.c.

use_remote_sleep

bool use_remote_sleep

static

Definition at line 34 of file remote_bitbang.c.

Referenced by COMMAND_HANDLER(), and remote_bitbang_sleep().