Include dependency graph for ft232r.c:

Macros
#define	FT232R_BIT_COUNT 8
	FT232R GPIO bit number to RS232 name. More...

#define	FT232R_BUF_SIZE_EXTRA 4096

#define	IN_EP 0x02

#define	OUT_EP 0x81

#define	SIO_ERASE_EEPROM 0x92

#define	SIO_GET_LATENCY_TIMER 10

#define	SIO_MODEM_CTRL 1 /* Set the modem control register */

#define	SIO_POLL_MODEM_STATUS 5

#define	SIO_READ_EEPROM 0x90

#define	SIO_READ_PINS 12

#define	SIO_RESET 0 /* Reset the port */

#define	SIO_SET_BAUD_RATE 3 /* Set baud rate */

#define	SIO_SET_BITMODE 11

#define	SIO_SET_DATA 4 /* Set the data characteristics of the port */

#define	SIO_SET_ERROR_CHAR 7

#define	SIO_SET_EVENT_CHAR 6

#define	SIO_SET_FLOW_CTRL 2 /* Set flow control register */

#define	SIO_SET_LATENCY_TIMER 9

#define	SIO_WRITE_EEPROM 0x91

Functions
	COMMAND_HANDLER (ft232r_handle_jtag_nums_command)

	COMMAND_HANDLER (ft232r_handle_restore_serial_command)

	COMMAND_HANDLER (ft232r_handle_srst_num_command)

	COMMAND_HANDLER (ft232r_handle_tck_num_command)

	COMMAND_HANDLER (ft232r_handle_tdi_num_command)

	COMMAND_HANDLER (ft232r_handle_tdo_num_command)

	COMMAND_HANDLER (ft232r_handle_tms_num_command)

	COMMAND_HANDLER (ft232r_handle_trst_num_command)

	COMMAND_HANDLER (ft232r_handle_vid_pid_command)

static int	ft232r_bit_name_to_number (const char *name)

static char *	ft232r_bit_number_to_name (int bit)

static void	ft232r_increase_buf_size (size_t new_buf_size)

static int	ft232r_init (void)

static int	ft232r_khz (int khz, int *divisor)

static int	ft232r_quit (void)

static void	ft232r_reset (int trst, int srst)
	Control /TRST and /SYSRST pins. More...

static int	ft232r_send_recv (void)
	Perform sync bitbang output/input transaction. More...

static int	ft232r_speed (int divisor)

static int	ft232r_speed_div (int divisor, int *khz)

static void	ft232r_write (int tck, int tms, int tdi)
	Add one TCK/TMS/TDI sample to send buffer. More...

static void	syncbb_end_state (tap_state_t state)

static int	syncbb_execute_queue (void)

static int	syncbb_execute_tms (struct jtag_command *cmd)
	Clock a bunch of TMS (or SWDIO) transitions, to change the JTAG (or SWD) state machine. More...

static void	syncbb_path_move (struct pathmove_command *cmd)

static void	syncbb_runtest (int num_cycles)

static void	syncbb_scan (bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)

static void	syncbb_stableclocks (int num_cycles)
	Function syncbb_stableclocks issues a number of clock cycles while staying in a stable state. More...

static void	syncbb_state_move (int skip)

Variables
static struct libusb_device_handle *	adapter

struct adapter_driver	ft232r_adapter_driver

static char *	ft232r_bit_name_array [FT232R_BIT_COUNT]

static size_t	ft232r_buf_size = FT232R_BUF_SIZE_EXTRA

static const struct command_registration	ft232r_command_handlers []

static struct jtag_interface	ft232r_interface

static uint8_t *	ft232r_output

static size_t	ft232r_output_len

static uint16_t	ft232r_pid = 0x6001

static uint16_t	ft232r_restore_bitmode = 0xFFFF
	0xFFFF disables restore by default, after exit serial port will not work. More...

static const struct command_registration	ft232r_subcommand_handlers []

static uint16_t	ft232r_vid = 0x0403

static int	nsysrst_gpio = 6

static int	ntrst_gpio = 4

static int	tck_gpio

static int	tdi_gpio = 1

static int	tdo_gpio = 2

static int	tms_gpio = 3

Macro Definition Documentation

◆ FT232R_BIT_COUNT

#define FT232R_BIT_COUNT 8

FT232R GPIO bit number to RS232 name.

Definition at line 71 of file ft232r.c.

◆ FT232R_BUF_SIZE_EXTRA

#define FT232R_BUF_SIZE_EXTRA 4096

Definition at line 59 of file ft232r.c.

◆ IN_EP

#define IN_EP 0x02

Definition at line 39 of file ft232r.c.

◆ OUT_EP

#define OUT_EP 0x81

Definition at line 40 of file ft232r.c.

◆ SIO_ERASE_EEPROM

#define SIO_ERASE_EEPROM 0x92

Definition at line 57 of file ft232r.c.

◆ SIO_GET_LATENCY_TIMER

#define SIO_GET_LATENCY_TIMER 10

Definition at line 52 of file ft232r.c.

◆ SIO_MODEM_CTRL

#define SIO_MODEM_CTRL 1 /* Set the modem control register */

Definition at line 44 of file ft232r.c.

◆ SIO_POLL_MODEM_STATUS

#define SIO_POLL_MODEM_STATUS 5

Definition at line 48 of file ft232r.c.

◆ SIO_READ_EEPROM

#define SIO_READ_EEPROM 0x90

Definition at line 55 of file ft232r.c.

◆ SIO_READ_PINS

#define SIO_READ_PINS 12

Definition at line 54 of file ft232r.c.

◆ SIO_RESET

#define SIO_RESET 0 /* Reset the port */

Definition at line 43 of file ft232r.c.

◆ SIO_SET_BAUD_RATE

#define SIO_SET_BAUD_RATE 3 /* Set baud rate */

Definition at line 46 of file ft232r.c.

◆ SIO_SET_BITMODE

#define SIO_SET_BITMODE 11

Definition at line 53 of file ft232r.c.

◆ SIO_SET_DATA

#define SIO_SET_DATA 4 /* Set the data characteristics of the port */

Definition at line 47 of file ft232r.c.

◆ SIO_SET_ERROR_CHAR

#define SIO_SET_ERROR_CHAR 7

Definition at line 50 of file ft232r.c.

◆ SIO_SET_EVENT_CHAR

#define SIO_SET_EVENT_CHAR 6

Definition at line 49 of file ft232r.c.

◆ SIO_SET_FLOW_CTRL

#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */

Definition at line 45 of file ft232r.c.

◆ SIO_SET_LATENCY_TIMER

#define SIO_SET_LATENCY_TIMER 9

Definition at line 51 of file ft232r.c.

◆ SIO_WRITE_EEPROM

#define SIO_WRITE_EEPROM 0x91

Definition at line 56 of file ft232r.c.

Function Documentation

◆ COMMAND_HANDLER() [1/9]

COMMAND_HANDLER ( ft232r_handle_jtag_nums_command )

Definition at line 404 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), tck_gpio, tdi_gpio, tdo_gpio, and tms_gpio.

◆ COMMAND_HANDLER() [2/9]

COMMAND_HANDLER ( ft232r_handle_restore_serial_command )

Definition at line 529 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and ft232r_restore_bitmode.

◆ COMMAND_HANDLER() [3/9]

COMMAND_HANDLER ( ft232r_handle_srst_num_command )

Definition at line 513 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and nsysrst_gpio.

◆ COMMAND_HANDLER() [4/9]

COMMAND_HANDLER ( ft232r_handle_tck_num_command )

Definition at line 433 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and tck_gpio.

◆ COMMAND_HANDLER() [5/9]

COMMAND_HANDLER ( ft232r_handle_tdi_num_command )

Definition at line 481 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and tdi_gpio.

◆ COMMAND_HANDLER() [6/9]

COMMAND_HANDLER ( ft232r_handle_tdo_num_command )

Definition at line 465 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and tdo_gpio.

◆ COMMAND_HANDLER() [7/9]

COMMAND_HANDLER ( ft232r_handle_tms_num_command )

Definition at line 449 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and tms_gpio.

◆ COMMAND_HANDLER() [8/9]

COMMAND_HANDLER ( ft232r_handle_trst_num_command )

Definition at line 497 of file ft232r.c.

References CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ft232r_bit_name_to_number(), ft232r_bit_number_to_name(), and ntrst_gpio.

◆ COMMAND_HANDLER() [9/9]

COMMAND_HANDLER ( ft232r_handle_vid_pid_command )

Definition at line 388 of file ft232r.c.

References CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, ERROR_OK, ft232r_pid, ft232r_vid, and LOG_WARNING.

◆ ft232r_bit_name_to_number()

static int ft232r_bit_name_to_number ( const char * name )

static

Definition at line 374 of file ft232r.c.

References FT232R_BIT_COUNT, ft232r_bit_name_array, and name.

Referenced by COMMAND_HANDLER().

◆ ft232r_bit_number_to_name()

static char* ft232r_bit_number_to_name ( int bit )

static

Definition at line 367 of file ft232r.c.

References bit(), FT232R_BIT_COUNT, and ft232r_bit_name_array.

Referenced by COMMAND_HANDLER().

◆ ft232r_increase_buf_size()

static void ft232r_increase_buf_size ( size_t new_buf_size )

static

Definition at line 162 of file ft232r.c.

References ft232r_buf_size, FT232R_BUF_SIZE_EXTRA, and ft232r_output.

Referenced by ft232r_reset(), and ft232r_write().

◆ ft232r_init()

static int ft232r_init ( void )

static

Definition at line 245 of file ft232r.c.

References adapter, adapter_get_required_serial(), ERROR_JTAG_INIT_FAILED, ERROR_OK, ft232r_buf_size, ft232r_output, ft232r_pid, ft232r_restore_bitmode, ft232r_vid, jtag_libusb_control_transfer(), jtag_libusb_open(), LOG_ERROR, nsysrst_gpio, ntrst_gpio, NULL, SIO_RESET, SIO_SET_BAUD_RATE, SIO_SET_BITMODE, SIO_SET_LATENCY_TIMER, tck_gpio, tdi_gpio, and tms_gpio.

◆ ft232r_khz()

static int ft232r_khz	(	int	khz,
		int *	divisor
	)

static

Definition at line 347 of file ft232r.c.

References ERROR_FAIL, ERROR_OK, and LOG_DEBUG.

◆ ft232r_quit()

static int ft232r_quit ( void )

static

Definition at line 311 of file ft232r.c.

References adapter, ERROR_OK, ft232r_buf_size, FT232R_BUF_SIZE_EXTRA, ft232r_output, ft232r_restore_bitmode, jtag_libusb_close(), jtag_libusb_control_transfer(), LOG_ERROR, NULL, and SIO_SET_BITMODE.

◆ ft232r_reset()

static void ft232r_reset	(	int	trst,
		int	srst
	)

static

Control /TRST and /SYSRST pins.

Perform immediate bitbang transaction.

Definition at line 202 of file ft232r.c.

References ft232r_buf_size, ft232r_increase_buf_size(), ft232r_output, ft232r_output_len, ft232r_send_recv(), LOG_DEBUG, LOG_ERROR, nsysrst_gpio, and ntrst_gpio.

◆ ft232r_send_recv()

static int ft232r_send_recv ( void )

static

Perform sync bitbang output/input transaction.

Before call, an array ft232r_output[] should be filled with data to send. Counter ft232r_output_len contains the number of bytes to send. On return, received data is put back to array ft232r_output[].

Definition at line 101 of file ft232r.c.

References adapter, ERROR_JTAG_DEVICE_ERROR, ERROR_OK, ft232r_output, ft232r_output_len, IN_EP, jtag_libusb_bulk_read(), jtag_libusb_bulk_write(), LOG_ERROR, and OUT_EP.

Referenced by ft232r_reset(), and syncbb_scan().

◆ ft232r_speed()

static int ft232r_speed ( int divisor )

static

Definition at line 229 of file ft232r.c.

References adapter, ERROR_JTAG_DEVICE_ERROR, ERROR_OK, jtag_libusb_control_transfer(), LOG_DEBUG, LOG_ERROR, and SIO_SET_BAUD_RATE.

◆ ft232r_speed_div()

static int ft232r_speed_div	(	int	divisor,
		int *	khz
	)

static

Definition at line 335 of file ft232r.c.

References ERROR_OK.

◆ ft232r_write()

static void ft232r_write	(	int	tck,
		int	tms,
		int	tdi
	)

static

Add one TCK/TMS/TDI sample to send buffer.

Definition at line 178 of file ft232r.c.

References ft232r_buf_size, ft232r_increase_buf_size(), ft232r_output, ft232r_output_len, LOG_ERROR, nsysrst_gpio, ntrst_gpio, tck_gpio, tdi_gpio, and tms_gpio.

Referenced by syncbb_execute_tms(), syncbb_path_move(), syncbb_runtest(), syncbb_scan(), syncbb_stableclocks(), and syncbb_state_move().

◆ syncbb_end_state()

static void syncbb_end_state ( tap_state_t state )

static

Definition at line 625 of file ft232r.c.

References LOG_ERROR, state, tap_is_state_stable(), and tap_set_end_state().

Referenced by syncbb_runtest(), and syncbb_scan().

◆ syncbb_execute_queue()

static int syncbb_execute_queue ( void )

static

Definition at line 806 of file ft232r.c.

◆ syncbb_execute_tms()

static int syncbb_execute_tms ( struct jtag_command * cmd )

static

Clock a bunch of TMS (or SWDIO) transitions, to change the JTAG (or SWD) state machine.

Definition at line 655 of file ft232r.c.

References bits, cmd, ERROR_OK, ft232r_write(), and LOG_DEBUG_IO.

◆ syncbb_path_move()

static void syncbb_path_move ( struct pathmove_command * cmd )

static

Definition at line 673 of file ft232r.c.

References cmd, ft232r_write(), LOG_ERROR, tap_get_state(), tap_set_end_state(), tap_set_state, tap_state_name(), and tap_state_transition().

◆ syncbb_runtest()

static void syncbb_runtest ( int num_cycles )

static

Definition at line 705 of file ft232r.c.

References ft232r_write(), syncbb_end_state(), syncbb_state_move(), tap_get_end_state(), tap_get_state(), and TAP_IDLE.

◆ syncbb_scan()

static void syncbb_scan	(	bool	ir_scan,
		enum scan_type	type,
		uint8_t *	buffer,
		int	scan_size
	)

static

Definition at line 750 of file ft232r.c.

References buffer, ft232r_output, ft232r_output_len, ft232r_send_recv(), ft232r_write(), SCAN_IN, SCAN_OUT, syncbb_end_state(), syncbb_state_move(), TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRSHIFT, tdo_gpio, and type.

◆ syncbb_stableclocks()

static void syncbb_stableclocks ( int num_cycles )

static

Function syncbb_stableclocks issues a number of clock cycles while staying in a stable state.

Because the TMS value required to stay in the RESET state is a 1, whereas the TMS value required to stay in any of the other stable states is a 0, this function checks the current stable state to decide on the value of TMS to use.

Definition at line 738 of file ft232r.c.

References ft232r_write(), tap_get_state(), and TAP_RESET.

◆ syncbb_state_move()

static void syncbb_state_move ( int skip )

static

Definition at line 635 of file ft232r.c.

References ft232r_write(), tap_get_end_state(), tap_get_state(), tap_get_tms_path(), tap_get_tms_path_len(), and tap_set_state.

Referenced by syncbb_runtest(), and syncbb_scan().

Variable Documentation

◆ adapter

struct libusb_device_handle* adapter

static

Definition at line 63 of file ft232r.c.

Referenced by adapter_debug_entry(), adapter_halt(), adapter_load_core_reg_u32(), adapter_poll(), adapter_read_memory(), adapter_resume(), adapter_step(), adapter_store_core_reg_u32(), adapter_write_memory(), ft232r_init(), ft232r_quit(), ft232r_send_recv(), ft232r_speed(), hl_assert_reset(), hl_layout_init(), and hl_layout_open().

◆ ft232r_adapter_driver

struct adapter_driver ft232r_adapter_driver

Initial value:

= {
    .name = "ft232r",
    .transports = jtag_only,
    .commands = ft232r_command_handlers,
 
    .init = ft232r_init,
    .quit = ft232r_quit,
    .speed = ft232r_speed,
    .khz = ft232r_khz,
    .speed_div = ft232r_speed_div,
 
    .jtag_ops = &ft232r_interface,
}

Definition at line 806 of file ft232r.c.

◆ ft232r_bit_name_array

char* ft232r_bit_name_array[FT232R_BIT_COUNT]

static

Initial value:

= {
    "TXD", 
    "RXD", 
    "RTS", 
    "CTS", 
    "DTR", 
    "DSR", 
    "DCD", 
    "RI"   
}

Definition at line 72 of file ft232r.c.

Referenced by ft232r_bit_name_to_number(), and ft232r_bit_number_to_name().

◆ ft232r_buf_size

size_t ft232r_buf_size = FT232R_BUF_SIZE_EXTRA

static

Definition at line 89 of file ft232r.c.

Referenced by ft232r_increase_buf_size(), ft232r_init(), ft232r_quit(), ft232r_reset(), and ft232r_write().

◆ ft232r_command_handlers

const struct command_registration ft232r_command_handlers[]

static

Initial value:

= {
    {
        .name = "ft232r",
        .mode = COMMAND_ANY,
        .help = "perform ft232r management",
        .chain = ft232r_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 529 of file ft232r.c.

◆ ft232r_interface

struct jtag_interface ft232r_interface

static

Initial value:

= {
    .supported = DEBUG_CAP_TMS_SEQ,
    .execute_queue = syncbb_execute_queue,
}

Definition at line 806 of file ft232r.c.

◆ ft232r_output

uint8_t* ft232r_output

static

Definition at line 65 of file ft232r.c.

Referenced by ft232r_increase_buf_size(), ft232r_init(), ft232r_quit(), ft232r_reset(), ft232r_send_recv(), ft232r_write(), and syncbb_scan().

◆ ft232r_output_len

size_t ft232r_output_len

static

Definition at line 66 of file ft232r.c.

Referenced by ft232r_reset(), ft232r_send_recv(), ft232r_write(), and syncbb_scan().

◆ ft232r_pid

uint16_t ft232r_pid = 0x6001

static

Definition at line 62 of file ft232r.c.

Referenced by COMMAND_HANDLER(), and ft232r_init().

◆ ft232r_restore_bitmode

uint16_t ft232r_restore_bitmode = 0xFFFF

static

0xFFFF disables restore by default, after exit serial port will not work.

0x15 sets TXD RTS DTR as outputs, after exit serial port will continue to work.

Definition at line 93 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), and ft232r_quit().

◆ ft232r_subcommand_handlers

const struct command_registration ft232r_subcommand_handlers[]

static

Definition at line 529 of file ft232r.c.

◆ ft232r_vid

uint16_t ft232r_vid = 0x0403

static

Definition at line 61 of file ft232r.c.

Referenced by COMMAND_HANDLER(), and ft232r_init().

◆ nsysrst_gpio

int nsysrst_gpio = 6

static

Definition at line 88 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), ft232r_reset(), and ft232r_write().

◆ ntrst_gpio

int ntrst_gpio = 4

static

Definition at line 87 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), ft232r_reset(), and ft232r_write().

◆ tck_gpio

int tck_gpio

static

Definition at line 83 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), and ft232r_write().

◆ tdi_gpio

int tdi_gpio = 1

static

Definition at line 84 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), and ft232r_write().

◆ tdo_gpio

int tdo_gpio = 2

static

Definition at line 85 of file ft232r.c.

Referenced by COMMAND_HANDLER(), and syncbb_scan().

◆ tms_gpio

int tms_gpio = 3

static

Definition at line 86 of file ft232r.c.

Referenced by COMMAND_HANDLER(), ft232r_init(), and ft232r_write().

Macros

Functions

Variables

Macro Definition Documentation

◆ FT232R_BIT_COUNT

◆ FT232R_BUF_SIZE_EXTRA

◆ IN_EP

◆ OUT_EP

◆ SIO_ERASE_EEPROM

◆ SIO_GET_LATENCY_TIMER

◆ SIO_MODEM_CTRL

◆ SIO_POLL_MODEM_STATUS

◆ SIO_READ_EEPROM

◆ SIO_READ_PINS

◆ SIO_RESET

◆ SIO_SET_BAUD_RATE

◆ SIO_SET_BITMODE

◆ SIO_SET_DATA

◆ SIO_SET_ERROR_CHAR

◆ SIO_SET_EVENT_CHAR

◆ SIO_SET_FLOW_CTRL

◆ SIO_SET_LATENCY_TIMER

◆ SIO_WRITE_EEPROM

Function Documentation

◆ COMMAND_HANDLER() [1/9]

◆ COMMAND_HANDLER() [2/9]

◆ COMMAND_HANDLER() [3/9]

◆ COMMAND_HANDLER() [4/9]

◆ COMMAND_HANDLER() [5/9]

◆ COMMAND_HANDLER() [6/9]

◆ COMMAND_HANDLER() [7/9]

◆ COMMAND_HANDLER() [8/9]

◆ COMMAND_HANDLER() [9/9]

◆ ft232r_bit_name_to_number()

◆ ft232r_bit_number_to_name()

◆ ft232r_increase_buf_size()

◆ ft232r_init()

◆ ft232r_khz()

◆ ft232r_quit()

◆ ft232r_reset()

◆ ft232r_send_recv()

◆ ft232r_speed()

◆ ft232r_speed_div()

◆ ft232r_write()

◆ syncbb_end_state()

◆ syncbb_execute_queue()

◆ syncbb_execute_tms()

◆ syncbb_path_move()

◆ syncbb_runtest()

◆ syncbb_scan()

◆ syncbb_stableclocks()

◆ syncbb_state_move()

Variable Documentation

◆ adapter

◆ ft232r_adapter_driver

◆ ft232r_bit_name_array

◆ ft232r_buf_size

◆ ft232r_command_handlers

◆ ft232r_interface

◆ ft232r_output

◆ ft232r_output_len

◆ ft232r_pid

◆ ft232r_restore_bitmode

◆ ft232r_subcommand_handlers

◆ ft232r_vid

◆ nsysrst_gpio

◆ ntrst_gpio

◆ tck_gpio

◆ tdi_gpio

◆ tdo_gpio

◆ tms_gpio