buspirate.c File Reference

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Data Structures
struct	pending_scan_result

Macros
#define	B1000000   0010010
#define	BUSPIRATE_BUFFER_SIZE   1024
#define	BUSPIRATE_MAX_PENDING_SCANS   128
#define	BYTES_PER_LINE   16
#define	CMD_ENTER_OOCD   0x06
#define	CMD_ENTER_RWIRE   0x05
#define	CMD_FEATURE   0x02
#define	CMD_JTAG_SPEED   0x08
#define	CMD_PORT_MODE   0x01
#define	CMD_RAW_CONFIG_2W   0x00
#define	CMD_RAW_CONFIG_3V3   0x08
#define	CMD_RAW_CONFIG_3W   0x04
#define	CMD_RAW_CONFIG_HIZ   0x00
#define	CMD_RAW_CONFIG_LSB   0x02
#define	CMD_RAW_CONFIG_MSB   0x00
#define	CMD_RAW_MODE   0x80
#define	CMD_RAW_PERIPH   0x40
#define	CMD_RAW_SPEED   0x60
#define	CMD_READ_ADCS   0x03
#define	CMD_TAP_SHIFT   0x05
#define	CMD_TAP_SHIFT_HEADER_LEN   3
#define	CMD_UART_SPEED   0x07
#define	CMD_UNKNOWN   0x00
#define	LINE_SIZE   81
#define	NORMAL_TIMEOUT   10
#define	SHORT_TIMEOUT   1 /* Must be at least 1. */

Enumerations
enum	{ MODE_HIZ = 0 , MODE_JTAG = 1 , MODE_JTAG_OD = 2 }
enum	{   FEATURE_LED = 0x01 , FEATURE_VREG = 0x02 , FEATURE_TRST = 0x04 , FEATURE_SRST = 0x08 ,   FEATURE_PULLUP = 0x10 }
enum	{ ACTION_DISABLE = 0 , ACTION_ENABLE = 1 }
enum	{ SERIAL_NORMAL = 0 , SERIAL_FAST = 1 }
enum	{ SPEED_RAW_5_KHZ = 0x0 , SPEED_RAW_50_KHZ = 0x1 , SPEED_RAW_100_KHZ = 0x2 , SPEED_RAW_400_KHZ = 0x3 }

Functions
static void	buspirate_bbio_enable (int)
static void	buspirate_end_state (tap_state_t state)
static int	buspirate_execute_queue (struct jtag_command *cmd_queue)
static int	buspirate_init (void)
static unsigned char	buspirate_jtag_command (int, uint8_t *, int)
static void	buspirate_jtag_get_adcs (int)
static void	buspirate_jtag_reset (int)
static void	buspirate_jtag_set_feature (int, char, char)
static void	buspirate_jtag_set_mode (int, char)
static void	buspirate_jtag_set_speed (int, char)
static void	buspirate_path_move (int num_states, tap_state_t *path)
static void	buspirate_print_buffer (uint8_t *buf, int size)
static int	buspirate_quit (void)
static int	buspirate_reset (int trst, int srst)
static void	buspirate_runtest (int num_cycles)
static void	buspirate_scan (bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, struct scan_command *command)
static void	buspirate_serial_close (int fd)
static int	buspirate_serial_open (char *port)
static int	buspirate_serial_read (int fd, uint8_t *buf, int size)
static int	buspirate_serial_setspeed (int fd, char speed, cc_t timeout)
static int	buspirate_serial_write (int fd, uint8_t *buf, int size)
static void	buspirate_set_feature (int, char, char)
static void	buspirate_set_mode (int, char)
static void	buspirate_set_speed (int, char)
static void	buspirate_stableclocks (int num_cycles)
static void	buspirate_state_move (void)
static void	buspirate_swd_clear_sticky_errors (void)
static void	buspirate_swd_idle_clocks (uint32_t no_bits)
static int	buspirate_swd_init (void)
static void	buspirate_swd_read_reg (uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
static int	buspirate_swd_run_queue (void)
static void	buspirate_swd_set_feature (int, char, char)
static void	buspirate_swd_set_mode (int, char)
static void	buspirate_swd_set_speed (int, char)
static int	buspirate_swd_switch_seq (enum swd_special_seq seq)
static uint8_t	buspirate_swd_write_header (uint8_t cmd)
static void	buspirate_swd_write_reg (uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
static void	buspirate_tap_append (int tms, int tdi)
static void	buspirate_tap_append_scan (int length, uint8_t *buffer, struct scan_command *command)
static int	buspirate_tap_execute (void)
static void	buspirate_tap_init (void)
static void	buspirate_tap_make_space (int scan, int bits)
	COMMAND_HANDLER (buspirate_handle_adc_command)
	COMMAND_HANDLER (buspirate_handle_led_command)
	COMMAND_HANDLER (buspirate_handle_mode_command)
	COMMAND_HANDLER (buspirate_handle_port_command)
	COMMAND_HANDLER (buspirate_handle_pullup_command)
	COMMAND_HANDLER (buspirate_handle_speed_command)
	COMMAND_HANDLER (buspirate_handle_vreg_command)
static bool	read_and_discard_all_data (const int fd)

Variables
struct adapter_driver	buspirate_adapter_driver
static int	buspirate_baudrate = SERIAL_NORMAL
static const struct command_registration	buspirate_command_handlers []
static int	buspirate_fd = -1
static struct jtag_interface	buspirate_interface
static int	buspirate_pinmode = MODE_JTAG_OD
static char *	buspirate_port
static int	buspirate_pullup
static const struct command_registration	buspirate_subcommand_handlers []
static const struct swd_driver	buspirate_swd
static const char *const	buspirate_transports [] = { "jtag", "swd", NULL }
static int	buspirate_vreg
static enum tap_state	last_tap_state = TAP_RESET
static int	queued_retval
static char	swd_features
static bool	swd_mode
static int	tap_chain_index
static struct pending_scan_result	tap_pending_scans [BUSPIRATE_MAX_PENDING_SCANS]
static int	tap_pending_scans_num
static uint8_t	tdi_chain [BUSPIRATE_BUFFER_SIZE]
static uint8_t	tms_chain [BUSPIRATE_BUFFER_SIZE]

Macro Definition Documentation

B1000000

#define B1000000   0010010

Definition at line 62 of file buspirate.c.

BUSPIRATE_BUFFER_SIZE

#define BUSPIRATE_BUFFER_SIZE   1024

Definition at line 676 of file buspirate.c.

BUSPIRATE_MAX_PENDING_SCANS

#define BUSPIRATE_MAX_PENDING_SCANS   128

Definition at line 687 of file buspirate.c.

BYTES_PER_LINE

#define BYTES_PER_LINE   16

Definition at line 1272 of file buspirate.c.

CMD_ENTER_OOCD

#define CMD_ENTER_OOCD   0x06

Definition at line 43 of file buspirate.c.

CMD_ENTER_RWIRE

#define CMD_ENTER_RWIRE   0x05

Definition at line 42 of file buspirate.c.

CMD_FEATURE

#define CMD_FEATURE   0x02

Definition at line 38 of file buspirate.c.

CMD_JTAG_SPEED

#define CMD_JTAG_SPEED   0x08

Definition at line 45 of file buspirate.c.

CMD_PORT_MODE

#define CMD_PORT_MODE   0x01

Definition at line 37 of file buspirate.c.

CMD_RAW_CONFIG_2W

#define CMD_RAW_CONFIG_2W   0x00

Definition at line 55 of file buspirate.c.

CMD_RAW_CONFIG_3V3

#define CMD_RAW_CONFIG_3V3   0x08

Definition at line 54 of file buspirate.c.

CMD_RAW_CONFIG_3W

#define CMD_RAW_CONFIG_3W   0x04

Definition at line 56 of file buspirate.c.

CMD_RAW_CONFIG_HIZ

#define CMD_RAW_CONFIG_HIZ   0x00

Definition at line 53 of file buspirate.c.

CMD_RAW_CONFIG_LSB

#define CMD_RAW_CONFIG_LSB   0x02

Definition at line 58 of file buspirate.c.

CMD_RAW_CONFIG_MSB

#define CMD_RAW_CONFIG_MSB   0x00

Definition at line 57 of file buspirate.c.

CMD_RAW_MODE

#define CMD_RAW_MODE   0x80

Definition at line 48 of file buspirate.c.

CMD_RAW_PERIPH

#define CMD_RAW_PERIPH   0x40

Definition at line 46 of file buspirate.c.

CMD_RAW_SPEED

#define CMD_RAW_SPEED   0x60

Definition at line 47 of file buspirate.c.

CMD_READ_ADCS

#define CMD_READ_ADCS   0x03

Definition at line 39 of file buspirate.c.

CMD_TAP_SHIFT

#define CMD_TAP_SHIFT   0x05

Definition at line 41 of file buspirate.c.

CMD_TAP_SHIFT_HEADER_LEN

#define CMD_TAP_SHIFT_HEADER_LEN   3

Definition at line 50 of file buspirate.c.

CMD_UART_SPEED

#define CMD_UART_SPEED   0x07

Definition at line 44 of file buspirate.c.

CMD_UNKNOWN

#define CMD_UNKNOWN   0x00

Definition at line 36 of file buspirate.c.

LINE_SIZE

#define LINE_SIZE   81

Definition at line 1271 of file buspirate.c.

NORMAL_TIMEOUT

#define NORMAL_TIMEOUT   10

Definition at line 66 of file buspirate.c.

SHORT_TIMEOUT

#define SHORT_TIMEOUT   1 /* Must be at least 1. */

Definition at line 65 of file buspirate.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
MODE_HIZ
MODE_JTAG
MODE_JTAG_OD

Definition at line 68 of file buspirate.c.

anonymous enum

anonymous enum

Enumerator
FEATURE_LED
FEATURE_VREG
FEATURE_TRST
FEATURE_SRST
FEATURE_PULLUP

Definition at line 74 of file buspirate.c.

anonymous enum

anonymous enum

Enumerator
ACTION_DISABLE
ACTION_ENABLE

Definition at line 82 of file buspirate.c.

anonymous enum

anonymous enum

Enumerator
SERIAL_NORMAL
SERIAL_FAST

Definition at line 87 of file buspirate.c.

anonymous enum

anonymous enum

Enumerator
SPEED_RAW_5_KHZ
SPEED_RAW_50_KHZ
SPEED_RAW_100_KHZ
SPEED_RAW_400_KHZ

Definition at line 92 of file buspirate.c.

Function Documentation

buspirate_bbio_enable()

static void buspirate_bbio_enable ( int  fd )

static

Definition at line 982 of file buspirate.c.

References buspirate_serial_read(), buspirate_serial_write(), CMD_ENTER_OOCD, CMD_ENTER_RWIRE, LOG_DEBUG, LOG_ERROR, NULL, and swd_mode.

Referenced by buspirate_init().

buspirate_end_state()

static void buspirate_end_state ( tap_state_t  state )

static

Definition at line 557 of file buspirate.c.

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

Referenced by buspirate_execute_queue(), buspirate_runtest(), and buspirate_scan().

buspirate_execute_queue()

static int buspirate_execute_queue ( struct jtag_command *  cmd_queue )

static

Definition at line 154 of file buspirate.c.

References buffer, buspirate_end_state(), buspirate_path_move(), buspirate_runtest(), buspirate_scan(), buspirate_stableclocks(), buspirate_state_move(), buspirate_tap_execute(), cmd, jtag_build_buffer(), JTAG_PATHMOVE, JTAG_RUNTEST, JTAG_SCAN, jtag_scan_type(), JTAG_SLEEP, jtag_sleep(), JTAG_STABLECLOCKS, JTAG_TLR_RESET, LOG_DEBUG_IO, LOG_ERROR, tap_state_name(), and type.

buspirate_init()

static int buspirate_init ( void  )

static

Definition at line 275 of file buspirate.c.

References ACTION_DISABLE, ACTION_ENABLE, buspirate_baudrate, buspirate_bbio_enable(), buspirate_fd, buspirate_pinmode, buspirate_port, buspirate_pullup, buspirate_reset(), buspirate_serial_open(), buspirate_serial_setspeed(), buspirate_set_feature(), buspirate_set_mode(), buspirate_set_speed(), buspirate_tap_init(), buspirate_vreg, ERROR_JTAG_INIT_FAILED, ERROR_OK, FEATURE_PULLUP, FEATURE_VREG, LOG_ERROR, LOG_INFO, NORMAL_TIMEOUT, read_and_discard_all_data(), SERIAL_FAST, SERIAL_NORMAL, SHORT_TIMEOUT, and swd_mode.

buspirate_jtag_command()

static unsigned char buspirate_jtag_command ( int  fd, uint8_t *  cmd, int  cmdlen  )

static

Definition at line 1127 of file buspirate.c.

References buspirate_serial_read(), buspirate_serial_write(), cmd, CMD_FEATURE, CMD_JTAG_SPEED, CMD_PORT_MODE, CMD_READ_ADCS, CMD_TAP_SHIFT, CMD_UART_SPEED, and LOG_INFO.

Referenced by buspirate_jtag_get_adcs(), buspirate_jtag_set_feature(), buspirate_jtag_set_mode(), and buspirate_jtag_set_speed().

buspirate_jtag_get_adcs()

static void buspirate_jtag_get_adcs ( int  fd )

static

Definition at line 1110 of file buspirate.c.

References buspirate_jtag_command(), CMD_READ_ADCS, and LOG_INFO.

Referenced by COMMAND_HANDLER().

buspirate_jtag_reset()

static void buspirate_jtag_reset ( int  fd )

static

Definition at line 1043 of file buspirate.c.

References buspirate_serial_read(), buspirate_serial_write(), and LOG_ERROR.

Referenced by buspirate_quit().

buspirate_jtag_set_feature()

static void buspirate_jtag_set_feature ( int  fd, char  feat, char  action  )

static

Definition at line 1101 of file buspirate.c.

References buspirate_jtag_command(), and CMD_FEATURE.

Referenced by buspirate_set_feature().

buspirate_jtag_set_mode()

static void buspirate_jtag_set_mode ( int  fd, char  mode  )

static

Definition at line 1093 of file buspirate.c.

References buspirate_jtag_command(), CMD_PORT_MODE, and mode.

Referenced by buspirate_set_mode().

buspirate_jtag_set_speed()

static void buspirate_jtag_set_speed ( int  fd, char  speed  )

static

Definition at line 1059 of file buspirate.c.

References buspirate_jtag_command(), buspirate_serial_read(), buspirate_serial_setspeed(), buspirate_serial_write(), CMD_UART_SPEED, LOG_ERROR, LOG_INFO, NORMAL_TIMEOUT, and SERIAL_NORMAL.

Referenced by buspirate_set_speed().

buspirate_path_move()

static void buspirate_path_move ( int  num_states, tap_state_t *  path  )

static

Definition at line 583 of file buspirate.c.

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

Referenced by buspirate_execute_queue().

buspirate_print_buffer()

static void buspirate_print_buffer ( uint8_t *  buf, int  size  )

static

Definition at line 1273 of file buspirate.c.

References BYTES_PER_LINE, LINE_SIZE, LOG_DEBUG, offset, and size.

Referenced by buspirate_serial_read(), and buspirate_serial_write().

buspirate_quit()

static int buspirate_quit ( void  )

static

Definition at line 336 of file buspirate.c.

References buspirate_fd, buspirate_jtag_reset(), buspirate_port, buspirate_serial_close(), buspirate_set_mode(), buspirate_set_speed(), ERROR_OK, LOG_INFO, MODE_HIZ, NULL, and SERIAL_NORMAL.

buspirate_reset()

static int buspirate_reset ( int  trst, int  srst  )

static

Definition at line 856 of file buspirate.c.

References ACTION_DISABLE, ACTION_ENABLE, buspirate_fd, buspirate_set_feature(), ERROR_OK, FEATURE_SRST, FEATURE_TRST, and LOG_DEBUG.

Referenced by buspirate_init().

buspirate_runtest()

static void buspirate_runtest ( int  num_cycles )

static

Definition at line 607 of file buspirate.c.

References buspirate_end_state(), buspirate_state_move(), buspirate_tap_append(), LOG_DEBUG_IO, tap_get_end_state(), tap_get_state(), TAP_IDLE, and tap_state_name().

Referenced by buspirate_execute_queue().

buspirate_scan()

static void buspirate_scan ( bool  ir_scan, enum scan_type  type, uint8_t *  buffer, int  scan_size, struct scan_command *  command  )

static

Definition at line 632 of file buspirate.c.

References buffer, buspirate_end_state(), buspirate_state_move(), buspirate_tap_append(), buspirate_tap_append_scan(), buspirate_tap_make_space(), TAP_DRPAUSE, TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRPAUSE, TAP_IRSHIFT, and tap_set_state.

Referenced by buspirate_execute_queue().

buspirate_serial_close()

static void buspirate_serial_close ( int  fd )

static

Definition at line 1266 of file buspirate.c.

Referenced by buspirate_quit().

buspirate_serial_open()

static int buspirate_serial_open ( char *  port )

static

Definition at line 1164 of file buspirate.c.

References buspirate_port.

Referenced by buspirate_init().

buspirate_serial_read()

static int buspirate_serial_read ( int  fd, uint8_t *  buf, int  size  )

static

Definition at line 1234 of file buspirate.c.

References buspirate_print_buffer(), LOG_DEBUG, LOG_ERROR, and size.

Referenced by buspirate_bbio_enable(), buspirate_jtag_command(), buspirate_jtag_reset(), buspirate_jtag_set_speed(), buspirate_swd_idle_clocks(), buspirate_swd_read_reg(), buspirate_swd_set_feature(), buspirate_swd_set_mode(), buspirate_swd_set_speed(), buspirate_swd_switch_seq(), buspirate_swd_write_header(), buspirate_swd_write_reg(), and buspirate_tap_execute().

buspirate_serial_setspeed()

static int buspirate_serial_setspeed ( int  fd, char  speed, cc_t  timeout  )

static

Definition at line 1174 of file buspirate.c.

References B1000000, and SERIAL_FAST.

Referenced by buspirate_init(), and buspirate_jtag_set_speed().

buspirate_serial_write()

static int buspirate_serial_write ( int  fd, uint8_t *  buf, int  size  )

static

Definition at line 1219 of file buspirate.c.

References buspirate_print_buffer(), LOG_DEBUG, LOG_ERROR, and size.

Referenced by buspirate_bbio_enable(), buspirate_jtag_command(), buspirate_jtag_reset(), buspirate_jtag_set_speed(), buspirate_swd_idle_clocks(), buspirate_swd_read_reg(), buspirate_swd_set_feature(), buspirate_swd_set_mode(), buspirate_swd_set_speed(), buspirate_swd_switch_seq(), buspirate_swd_write_header(), buspirate_swd_write_reg(), and buspirate_tap_execute().

buspirate_set_feature()

static void buspirate_set_feature ( int  fd, char  feat, char  action  )

static

Definition at line 873 of file buspirate.c.

References buspirate_jtag_set_feature(), buspirate_swd_set_feature(), and swd_mode.

Referenced by buspirate_init(), buspirate_reset(), and COMMAND_HANDLER().

buspirate_set_mode()

static void buspirate_set_mode ( int  fd, char  mode  )

static

Definition at line 881 of file buspirate.c.

References buspirate_jtag_set_mode(), buspirate_swd_set_mode(), mode, and swd_mode.

Referenced by buspirate_init(), and buspirate_quit().

buspirate_set_speed()

static void buspirate_set_speed ( int  fd, char  speed  )

static

Definition at line 889 of file buspirate.c.

References buspirate_jtag_set_speed(), buspirate_swd_set_speed(), and swd_mode.

Referenced by buspirate_init(), and buspirate_quit().

buspirate_stableclocks()

static void buspirate_stableclocks ( int  num_cycles )

static

Definition at line 661 of file buspirate.c.

References buspirate_tap_append(), buspirate_tap_make_space(), tap_get_state(), and TAP_RESET.

Referenced by buspirate_execute_queue().

buspirate_state_move()

static void buspirate_state_move ( void  )

static

Definition at line 567 of file buspirate.c.

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

Referenced by buspirate_execute_queue(), buspirate_runtest(), and buspirate_scan().

buspirate_swd_clear_sticky_errors()

static void buspirate_swd_clear_sticky_errors ( void  )

static

Definition at line 1403 of file buspirate.c.

References buspirate_swd_write_reg(), DP_ABORT, ORUNERRCLR, STKCMPCLR, STKERRCLR, swd_cmd(), and WDERRCLR.

Referenced by buspirate_swd_read_reg(), and buspirate_swd_write_reg().

buspirate_swd_idle_clocks()

static void buspirate_swd_idle_clocks ( uint32_t  no_bits )

static

Definition at line 1378 of file buspirate.c.

References buspirate_fd, buspirate_serial_read(), and buspirate_serial_write().

Referenced by buspirate_swd_read_reg(), buspirate_swd_run_queue(), and buspirate_swd_write_reg().

buspirate_swd_init()

static int buspirate_swd_init ( void  )

static

Definition at line 1298 of file buspirate.c.

References ERROR_OK, LOG_INFO, and swd_mode.

buspirate_swd_read_reg()

static void buspirate_swd_read_reg ( uint8_t  cmd, uint32_t *  value, uint32_t  ap_delay_clk  )

static

Definition at line 1409 of file buspirate.c.

References buspirate_fd, buspirate_serial_read(), buspirate_serial_write(), buspirate_swd_clear_sticky_errors(), buspirate_swd_idle_clocks(), buspirate_swd_write_header(), cmd, ERROR_FAIL, ERROR_OK, LOG_DEBUG, parity(), parity_u32(), queued_retval, SWD_ACK_FAULT, SWD_ACK_OK, SWD_ACK_WAIT, SWD_CMD_A32, SWD_CMD_APNDP, SWD_CMD_PARK, SWD_CMD_RNW, and SWD_CMD_START.

buspirate_swd_run_queue()

static int buspirate_swd_run_queue ( void  )

static

Definition at line 1527 of file buspirate.c.

References buspirate_swd_idle_clocks(), ERROR_OK, LOG_DEBUG, and queued_retval.

buspirate_swd_set_feature()

static void buspirate_swd_set_feature ( int  fd, char  feat, char  action  )

static

Definition at line 944 of file buspirate.c.

References ACTION_ENABLE, buspirate_serial_read(), buspirate_serial_write(), CMD_RAW_PERIPH, FEATURE_LED, FEATURE_PULLUP, FEATURE_SRST, FEATURE_TRST, FEATURE_VREG, LOG_DEBUG, LOG_ERROR, and swd_features.

Referenced by buspirate_set_feature().

buspirate_swd_set_mode()

static void buspirate_swd_set_mode ( int  fd, char  mode  )

static

Definition at line 921 of file buspirate.c.

References buspirate_serial_read(), buspirate_serial_write(), CMD_RAW_CONFIG_3V3, CMD_RAW_CONFIG_LSB, CMD_RAW_MODE, LOG_ERROR, mode, and MODE_HIZ.

Referenced by buspirate_set_mode().

buspirate_swd_set_speed()

static void buspirate_swd_set_speed ( int  fd, char  speed  )

static

Definition at line 900 of file buspirate.c.

References buspirate_serial_read(), buspirate_serial_write(), CMD_RAW_SPEED, LOG_DEBUG, LOG_ERROR, and SPEED_RAW_400_KHZ.

Referenced by buspirate_set_speed().

buspirate_swd_switch_seq()

static int buspirate_swd_switch_seq ( enum swd_special_seq  seq )

static

Definition at line 1306 of file buspirate.c.

References buspirate_fd, buspirate_serial_read(), buspirate_serial_write(), DIV_ROUND_UP, ERROR_FAIL, ERROR_OK, JTAG_TO_SWD, LINE_RESET, LOG_DEBUG, LOG_ERROR, swd_seq_jtag_to_swd, swd_seq_jtag_to_swd_len, swd_seq_line_reset, swd_seq_line_reset_len, swd_seq_swd_to_jtag, swd_seq_swd_to_jtag_len, and SWD_TO_JTAG.

buspirate_swd_write_header()

static uint8_t buspirate_swd_write_header ( uint8_t  cmd )

static

Definition at line 1355 of file buspirate.c.

References buspirate_fd, buspirate_serial_read(), buspirate_serial_write(), cmd, and SWD_CMD_RNW.

Referenced by buspirate_swd_read_reg(), and buspirate_swd_write_reg().

buspirate_swd_write_reg()

static void buspirate_swd_write_reg ( uint8_t  cmd, uint32_t  value, uint32_t  ap_delay_clk  )

static

Definition at line 1476 of file buspirate.c.

References buf_set_u32(), buspirate_fd, buspirate_serial_read(), buspirate_serial_write(), buspirate_swd_clear_sticky_errors(), buspirate_swd_idle_clocks(), buspirate_swd_write_header(), cmd, ERROR_OK, LOG_DEBUG, parity_u32(), queued_retval, SWD_ACK_FAULT, SWD_ACK_OK, SWD_ACK_WAIT, SWD_CMD_A32, SWD_CMD_APNDP, SWD_CMD_PARK, SWD_CMD_RNW, and SWD_CMD_START.

Referenced by buspirate_swd_clear_sticky_errors().

buspirate_tap_append()

static void buspirate_tap_append ( int  tms, int  tdi  )

static

Definition at line 792 of file buspirate.c.

References bit(), BUSPIRATE_BUFFER_SIZE, buspirate_tap_make_space(), LOG_ERROR, tap_chain_index, tdi_chain, and tms_chain.

Referenced by buspirate_path_move(), buspirate_runtest(), buspirate_scan(), buspirate_stableclocks(), buspirate_state_move(), and buspirate_tap_append_scan().

buspirate_tap_append_scan()

static void buspirate_tap_append_scan ( int  length, uint8_t *  buffer, struct scan_command *  command  )

static

Definition at line 836 of file buspirate.c.

References pending_scan_result::buffer, buffer, buspirate_tap_append(), pending_scan_result::command, pending_scan_result::first, pending_scan_result::length, length, tap_chain_index, tap_pending_scans, and tap_pending_scans_num.

Referenced by buspirate_scan().

buspirate_tap_execute()

static int buspirate_tap_execute ( void  )

static

Definition at line 711 of file buspirate.c.

References buf_set_buf(), pending_scan_result::buffer, buffer, buspirate_fd, buspirate_serial_read(), buspirate_serial_write(), buspirate_tap_init(), CMD_TAP_SHIFT, CMD_TAP_SHIFT_HEADER_LEN, pending_scan_result::command, DIV_ROUND_UP, ERROR_FAIL, ERROR_JTAG_DEVICE_ERROR, ERROR_JTAG_QUEUE_FAILED, ERROR_OK, pending_scan_result::first, jtag_debug_state_machine(), jtag_read_buffer(), last_tap_state, pending_scan_result::length, length, LOG_DEBUG, LOG_ERROR, tap_chain_index, tap_pending_scans, tap_pending_scans_num, tdi_chain, and tms_chain.

Referenced by buspirate_execute_queue(), and buspirate_tap_make_space().

buspirate_tap_init()

static void buspirate_tap_init ( void  )

static

Definition at line 705 of file buspirate.c.

References tap_chain_index, and tap_pending_scans_num.

Referenced by buspirate_init(), and buspirate_tap_execute().

buspirate_tap_make_space()

static void buspirate_tap_make_space ( int  scan, int  bits  )

static

Definition at line 783 of file buspirate.c.

References bits, BUSPIRATE_BUFFER_SIZE, BUSPIRATE_MAX_PENDING_SCANS, buspirate_tap_execute(), tap_chain_index, and tap_pending_scans_num.

Referenced by buspirate_scan(), buspirate_stableclocks(), and buspirate_tap_append().

COMMAND_HANDLER() [1/7]

COMMAND_HANDLER

(

buspirate_handle_adc_command

)

Definition at line 352 of file buspirate.c.

References buspirate_fd, buspirate_jtag_get_adcs(), ERROR_OK, and swd_mode.

COMMAND_HANDLER() [2/7]

COMMAND_HANDLER

(

buspirate_handle_led_command

)

Definition at line 400 of file buspirate.c.

References ACTION_DISABLE, ACTION_ENABLE, buspirate_fd, buspirate_set_feature(), CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, FEATURE_LED, and LOG_ERROR.

COMMAND_HANDLER() [3/7]

COMMAND_HANDLER

(

buspirate_handle_mode_command

)

Definition at line 421 of file buspirate.c.

References buspirate_pinmode, CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, LOG_ERROR, MODE_JTAG, and MODE_JTAG_OD.

COMMAND_HANDLER() [4/7]

COMMAND_HANDLER

(

buspirate_handle_port_command

)

Definition at line 453 of file buspirate.c.

COMMAND_HANDLER() [5/7]

COMMAND_HANDLER

(

buspirate_handle_pullup_command

)

Definition at line 384 of file buspirate.c.

References buspirate_pullup, CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and LOG_ERROR.

COMMAND_HANDLER() [6/7]

COMMAND_HANDLER

(

buspirate_handle_speed_command

)

Definition at line 437 of file buspirate.c.

References buspirate_baudrate, CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, LOG_ERROR, SERIAL_FAST, and SERIAL_NORMAL.

COMMAND_HANDLER() [7/7]

COMMAND_HANDLER

(

buspirate_handle_vreg_command

)

Definition at line 368 of file buspirate.c.

References buspirate_vreg, CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and LOG_ERROR.

read_and_discard_all_data()

static bool read_and_discard_all_data ( const int  fd )

static

Definition at line 230 of file buspirate.c.

References buffer, and LOG_INFO.

Referenced by buspirate_init().

Variable Documentation

buspirate_adapter_driver

struct adapter_driver buspirate_adapter_driver

Initial value:

= {
    .name = "buspirate",
    .transports = buspirate_transports,
    .commands = buspirate_command_handlers,
 
    .init = buspirate_init,
    .quit = buspirate_quit,
    .reset = buspirate_reset,
 
    .jtag_ops = &buspirate_interface,
    .swd_ops = &buspirate_swd,
}

Definition at line 537 of file buspirate.c.

buspirate_baudrate

int buspirate_baudrate = SERIAL_NORMAL

static

Definition at line 106 of file buspirate.c.

Referenced by buspirate_init(), and COMMAND_HANDLER().

buspirate_command_handlers

const struct command_registration buspirate_command_handlers[]

static

Initial value:

= {
    {
        .name = "buspirate",
        .mode = COMMAND_ANY,
        .help = "perform buspirate management",
        .chain = buspirate_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 453 of file buspirate.c.

buspirate_fd

int buspirate_fd = -1

static

Definition at line 104 of file buspirate.c.

Referenced by buspirate_init(), buspirate_quit(), buspirate_reset(), buspirate_swd_idle_clocks(), buspirate_swd_read_reg(), buspirate_swd_switch_seq(), buspirate_swd_write_header(), buspirate_swd_write_reg(), buspirate_tap_execute(), and COMMAND_HANDLER().

buspirate_interface

struct jtag_interface buspirate_interface

static

Initial value:

= {
    .execute_queue = buspirate_execute_queue,
}

Definition at line 537 of file buspirate.c.

buspirate_pinmode

int buspirate_pinmode = MODE_JTAG_OD

static

Definition at line 105 of file buspirate.c.

Referenced by buspirate_init(), and COMMAND_HANDLER().

buspirate_port

char* buspirate_port

static

Definition at line 109 of file buspirate.c.

Referenced by buspirate_init(), buspirate_quit(), and buspirate_serial_open().

buspirate_pullup

int buspirate_pullup

static

Definition at line 108 of file buspirate.c.

Referenced by buspirate_init(), and COMMAND_HANDLER().

buspirate_subcommand_handlers

const struct command_registration buspirate_subcommand_handlers[]

static

Definition at line 453 of file buspirate.c.

buspirate_swd

const struct swd_driver buspirate_swd

static

Initial value:

= {
    .init = buspirate_swd_init,
    .switch_seq = buspirate_swd_switch_seq,
    .read_reg = buspirate_swd_read_reg,
    .write_reg = buspirate_swd_write_reg,
    .run = buspirate_swd_run_queue,
}

Definition at line 453 of file buspirate.c.

buspirate_transports

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

static

Definition at line 537 of file buspirate.c.

buspirate_vreg

int buspirate_vreg

static

Definition at line 107 of file buspirate.c.

Referenced by buspirate_init(), and COMMAND_HANDLER().

last_tap_state

enum tap_state last_tap_state = TAP_RESET

static

Definition at line 109 of file buspirate.c.

Referenced by buspirate_tap_execute().

queued_retval

int queued_retval

static

Definition at line 101 of file buspirate.c.

Referenced by buspirate_swd_read_reg(), buspirate_swd_run_queue(), and buspirate_swd_write_reg().

swd_features

char swd_features

static

Definition at line 102 of file buspirate.c.

Referenced by buspirate_swd_set_feature().

swd_mode

bool swd_mode

static

Definition at line 100 of file buspirate.c.

Referenced by buspirate_bbio_enable(), buspirate_init(), buspirate_set_feature(), buspirate_set_mode(), buspirate_set_speed(), buspirate_swd_init(), and COMMAND_HANDLER().

tap_chain_index

int tap_chain_index

static

Definition at line 691 of file buspirate.c.

Referenced by buspirate_tap_append(), buspirate_tap_append_scan(), buspirate_tap_execute(), buspirate_tap_init(), and buspirate_tap_make_space().

tap_pending_scans

struct pending_scan_result tap_pending_scans[BUSPIRATE_MAX_PENDING_SCANS]

static

Definition at line 691 of file buspirate.c.

Referenced by buspirate_tap_append_scan(), and buspirate_tap_execute().

tap_pending_scans_num

int tap_pending_scans_num

static

Definition at line 703 of file buspirate.c.

Referenced by buspirate_tap_append_scan(), buspirate_tap_execute(), buspirate_tap_init(), and buspirate_tap_make_space().

tdi_chain

uint8_t tdi_chain[BUSPIRATE_BUFFER_SIZE]

static

Definition at line 690 of file buspirate.c.

Referenced by buspirate_tap_append(), and buspirate_tap_execute().

tms_chain

uint8_t tms_chain[BUSPIRATE_BUFFER_SIZE]

static

Definition at line 689 of file buspirate.c.

Referenced by buspirate_tap_append(), and buspirate_tap_execute().