parport.c File Reference

Include dependency graph for parport.c:

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Macros
#define	OUTPUT_BITMASK(gpio_index)   BIT((adapter_gpio_config[(gpio_index)].gpio_num - 2))

Functions
	COMMAND_HANDLER (parport_handle_cable_command)
	COMMAND_HANDLER (parport_handle_port_command)
	COMMAND_HANDLER (parport_handle_toggling_time_command)
	COMMAND_HANDLER (parport_handle_write_on_exit_command)
static bool	is_gpio_configured (enum adapter_gpio_config_index gpio_index)
static int	parport_init (void)
static int	parport_khz (int khz, int *jtag_speed)
static int	parport_led (bool on)
static int	parport_quit (void)
static enum bb_value	parport_read (void)
static int	parport_reset (int trst, int srst)
static int	parport_speed (int speed)
static int	parport_speed_div (int speed, int *khz)
static int	parport_write (int tck, int tms, int tdi)
static void	parport_write_data (void)
static void	set_pin_state (enum adapter_gpio_config_index gpio_index, bool state)

Variables
static const struct adapter_gpio_config *	adapter_gpio_config
struct {
enum adapter_gpio_config_index   gpio_index
bool   required
}	all_signals []
static unsigned long	dataport
static uint8_t	dataport_value
struct {
uint8_t   mask
}	input_pin_bitmask_map []
struct adapter_driver	parport_adapter_driver
static const struct bitbang_interface	parport_bitbang
static const struct command_registration	parport_command_handlers []
static char *	parport_device_file
static struct jtag_interface	parport_interface
static uint16_t	parport_port
static const struct command_registration	parport_subcommand_handlers []
static uint32_t	parport_toggling_time_ns = 1000
static bool	parport_write_exit_state
static unsigned long	statusport
static int	wait_states

Macro Definition Documentation

OUTPUT_BITMASK

#define OUTPUT_BITMASK

(

gpio_index

)

BIT((adapter_gpio_config[(gpio_index)].gpio_num - 2))

Definition at line 80 of file parport.c.

Function Documentation

COMMAND_HANDLER() [1/4]

COMMAND_HANDLER

(

parport_handle_cable_command

)

Definition at line 481 of file parport.c.

References CMD_ARGC, CMD_ARGV, CMD_CTX, command_run_linef(), and ERROR_COMMAND_SYNTAX_ERROR.

COMMAND_HANDLER() [2/4]

COMMAND_HANDLER

(

parport_handle_port_command

)

Definition at line 430 of file parport.c.

References alloc_printf(), CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, LOG_ERROR, LOG_WARNING, NULL, parport_device_file, and parport_port.

COMMAND_HANDLER() [3/4]

COMMAND_HANDLER

(

parport_handle_toggling_time_command

)

Definition at line 501 of file parport.c.

References adapter_get_speed(), CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_ARGUMENT_INVALID, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, LOG_INFO, parport_toggling_time_ns, and wait_states.

COMMAND_HANDLER() [4/4]

COMMAND_HANDLER

(

parport_handle_write_on_exit_command

)

Definition at line 489 of file parport.c.

References CMD_ARGC, CMD_ARGV, COMMAND_PARSE_ON_OFF, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, LOG_WARNING, and parport_write_exit_state.

is_gpio_configured()

static bool is_gpio_configured ( enum adapter_gpio_config_index  gpio_index )

static

Definition at line 113 of file parport.c.

References ADAPTER_GPIO_NOT_SET, gpio_index, and adapter_gpio_config::gpio_num.

Referenced by parport_led(), and parport_reset().

parport_init()

static int parport_init ( void  )

static

Definition at line 241 of file parport.c.

References adapter_gpio_get_config(), adapter_gpio_get_name(), ADAPTER_GPIO_IDX_LED, ADAPTER_GPIO_IDX_TDO, ADAPTER_GPIO_INIT_STATE_ACTIVE, ADAPTER_GPIO_INIT_STATE_INACTIVE, ADAPTER_GPIO_NOT_SET, all_signals, ARRAY_SIZE, dataport, ERROR_FAIL, ERROR_JTAG_INIT_FAILED, ERROR_OK, gpio_index, adapter_gpio_config::gpio_num, adapter_gpio_config::init_state, LOG_DEBUG, LOG_ERROR, LOG_WARNING, parport_bitbang, parport_device_file, parport_led(), parport_port, parport_reset(), parport_write(), required, set_pin_state(), and statusport.

parport_khz()

static int parport_khz ( int  khz, int *  jtag_speed  )

static

Definition at line 172 of file parport.c.

References ERROR_FAIL, ERROR_OK, LOG_ERROR, and parport_toggling_time_ns.

parport_led()

static int parport_led ( bool  on )

static

Definition at line 155 of file parport.c.

References ADAPTER_GPIO_IDX_LED, ERROR_OK, is_gpio_configured(), parport_write_data(), and set_pin_state().

Referenced by parport_init(), and parport_quit().

parport_quit()

static int parport_quit ( void  )

static

Definition at line 397 of file parport.c.

References ADAPTER_GPIO_EXIT_STATE_ACTIVE, ADAPTER_GPIO_EXIT_STATE_INACTIVE, ADAPTER_GPIO_IDX_LED, ADAPTER_GPIO_IDX_TDO, ADAPTER_GPIO_NOT_SET, all_signals, ARRAY_SIZE, ERROR_FAIL, ERROR_OK, adapter_gpio_config::exit_state, gpio_index, adapter_gpio_config::gpio_num, parport_device_file, parport_led(), parport_write_data(), parport_write_exit_state, and set_pin_state().

parport_read()

static enum bb_value parport_read ( void  )

static

Definition at line 65 of file parport.c.

parport_reset()

static int parport_reset ( int  trst, int  srst  )

static

Definition at line 140 of file parport.c.

References ADAPTER_GPIO_IDX_SRST, ADAPTER_GPIO_IDX_TRST, ERROR_OK, is_gpio_configured(), LOG_DEBUG, parport_write_data(), and set_pin_state().

Referenced by parport_init().

parport_speed()

static int parport_speed ( int  speed )

static

Definition at line 166 of file parport.c.

References ERROR_OK, and wait_states.

parport_speed_div()

static int parport_speed_div ( int  speed, int *  khz  )

static

Definition at line 184 of file parport.c.

parport_write()

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

static

Definition at line 127 of file parport.c.

References ADAPTER_GPIO_IDX_TCK, ADAPTER_GPIO_IDX_TDI, ADAPTER_GPIO_IDX_TMS, ERROR_OK, parport_write_data(), set_pin_state(), and wait_states.

Referenced by parport_init().

parport_write_data()

static void parport_write_data ( void  )

static

Definition at line 98 of file parport.c.

References dataport, dataport_value, and output.

Referenced by parport_led(), parport_quit(), parport_reset(), and parport_write().

set_pin_state()

static void set_pin_state ( enum adapter_gpio_config_index  gpio_index, bool  state  )

static

Definition at line 118 of file parport.c.

References adapter_gpio_config::active_low, dataport_value, gpio_index, OUTPUT_BITMASK, and state.

Referenced by parport_init(), parport_led(), parport_quit(), parport_reset(), and parport_write().

Variable Documentation

adapter_gpio_config

const struct adapter_gpio_config* adapter_gpio_config

static

Definition at line 48 of file parport.c.

const { ... } all_signals[]

Initial value:

= {
    { ADAPTER_GPIO_IDX_TDO, true },
    { ADAPTER_GPIO_IDX_TDI, true },
    { ADAPTER_GPIO_IDX_TMS, true },
    { ADAPTER_GPIO_IDX_TCK, true },
    { ADAPTER_GPIO_IDX_TRST, false },
    { ADAPTER_GPIO_IDX_SRST, false },
    { ADAPTER_GPIO_IDX_LED, false },
    { ADAPTER_GPIO_IDX_USER0, false },
}

Referenced by parport_init(), and parport_quit().

dataport

unsigned long dataport

static

Definition at line 64 of file parport.c.

Referenced by parport_init(), and parport_write_data().

dataport_value

uint8_t dataport_value

static

Definition at line 59 of file parport.c.

Referenced by parport_write_data(), and set_pin_state().

gpio_index

enum adapter_gpio_config_index gpio_index

Definition at line 70 of file parport.c.

Referenced by is_gpio_configured(), parport_init(), parport_quit(), and set_pin_state().

struct { ... } input_pin_bitmask_map[]

Initial value:

= {
    [10] = {0x40},
    [11] = {0x80},
    [12] = {0x20},
    [13] = {0x10},
    [15] = {0x08},
}

mask

uint8_t mask

Definition at line 70 of file parport.c.

Referenced by aarch64_check_state_one(), allow_transports(), ap_poll_register(), arm11_step(), arm7_9_full_context(), arm7_9_restore_context(), arm7_9_set_breakpoint(), arm7_9_set_watchpoint(), arm7tdmi_load_word_regs(), arm7tdmi_read_core_regs(), arm7tdmi_read_core_regs_target_buffer(), arm7tdmi_store_word_regs(), arm7tdmi_write_core_regs(), arm9tdmi_load_word_regs(), arm9tdmi_read_core_regs(), arm9tdmi_read_core_regs_target_buffer(), arm9tdmi_store_word_regs(), arm9tdmi_write_core_regs(), arm_cti_mod_reg_bits(), armv8_get_pauth_mask(), armv8_set_dbgreg_bits(), buf_eq_mask(), buf_eq_trailing(), cfi_fixup_non_cfi(), clear_bit(), cmsis_dap_cmd_dap_swj_pins(), COMMAND_HANDLER(), cortex_a_wait_dscr_bits(), cortex_m_add_watchpoint(), cortex_m_endreset_event(), cortex_m_set_maskints(), cortex_m_set_watchpoint(), dap_dp_poll_register(), decode_dmi(), efm32x_get_page_lock(), efm32x_set_page_lock(), esp32s2_set_peri_reg_mask(), fa526_read_core_regs(), fa526_read_core_regs_target_buffer(), fa526_write_core_regs(), feroceon_read_core_regs(), feroceon_read_core_regs_target_buffer(), feroceon_write_core_regs(), gowin_check_status_flag(), jtag_check_value_mask(), jtag_examine_chain_match_tap(), kinetis_ke_mdm_poll_register(), kinetis_mdm_poll_register(), lattice_certus_load(), lattice_ecp2_3_erase_device(), lattice_ecp2_load(), lattice_ecp3_load(), lattice_verify_status_register_u32(), lattice_verify_status_register_u64(), lattice_verify_usercode(), lpc2900_wait_status(), qn908x_protect(), qn908x_update_reg(), riscv_address_translate(), samd_get_reservedmask(), samd_modify_user_row(), same5_modify_user_row_masked(), same5_protect(), set_bit(), sh_qspi_wait_for_bit(), stm32l4_write_option(), stm32x_modify_option(), str_to_buf(), test_iomux_settings(), usbtogpio_config(), usbtogpio_in(), usbtogpio_out(), usbtopoll_checkfail(), usbtopoll_checkok(), watchpoint_add(), and watchpoint_add_internal().

parport_adapter_driver

struct adapter_driver parport_adapter_driver

Initial value:

= {
    .name = "parport",
    .transport_ids = TRANSPORT_JTAG,
    .transport_preferred_id = TRANSPORT_JTAG,
    .commands = parport_command_handlers,
 
    .init = parport_init,
    .quit = parport_quit,
    .reset = parport_reset,
    .speed = parport_speed,
    .khz = parport_khz,
    .speed_div = parport_speed_div,
 
    .jtag_ops = &parport_interface,
}

Definition at line 501 of file parport.c.

parport_bitbang

const struct bitbang_interface parport_bitbang

static

Initial value:

= {
    .read = &parport_read,
    .write = &parport_write,
    .blink = &parport_led,
}

Definition at line 184 of file parport.c.

Referenced by parport_init().

parport_command_handlers

const struct command_registration parport_command_handlers[]

static

Initial value:

= {
    {
        .name = "parport",
        .mode = COMMAND_ANY,
        .help = "perform parport management",
        .chain = parport_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 501 of file parport.c.

parport_device_file

char* parport_device_file

static

Definition at line 54 of file parport.c.

Referenced by COMMAND_HANDLER(), parport_init(), and parport_quit().

parport_interface

struct jtag_interface parport_interface

static

Initial value:

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

Definition at line 501 of file parport.c.

parport_port

uint16_t parport_port

static

Definition at line 51 of file parport.c.

Referenced by COMMAND_HANDLER(), and parport_init().

parport_subcommand_handlers

const struct command_registration parport_subcommand_handlers[]

static

Definition at line 501 of file parport.c.

parport_toggling_time_ns

uint32_t parport_toggling_time_ns = 1000

static

Definition at line 55 of file parport.c.

Referenced by COMMAND_HANDLER(), and parport_khz().

parport_write_exit_state

bool parport_write_exit_state

static

Definition at line 53 of file parport.c.

Referenced by COMMAND_HANDLER(), and parport_quit().

required

bool required

Definition at line 229 of file parport.c.

Referenced by parport_init().

statusport

unsigned long statusport

static

Definition at line 65 of file parport.c.

Referenced by parport_init().

wait_states

int wait_states

static

Definition at line 56 of file parport.c.

Referenced by COMMAND_HANDLER(), parport_speed(), and parport_write().