Select one of the symbols to view example projects that use it.
 
Outline
#include "config.h"
#include <stdint.h>
#include <math.h>
#include <jtag/interface.h>
#include <jtag/swd.h>
#include <jtag/commands.h>
#include <jtag/adapter.h>
#include <helper/replacements.h>
#include <target/cortex_m.h>
#include <libjaylink/libjaylink.h>
jayctx
devh
conn
connlist
jtag_command_version
caps
serial_number
use_serial_number
use_usb_location
usb_address
use_usb_address
iface
trace_enabled
#define JLINK_MAX_SPEED
#define JLINK_TAP_BUFFER_SIZE
swd_buffer_size
#define SWO_MAX_FREQ_DEV
device_config
config
tmp_config
jlink_last_state
queued_retval
...
jlink_execute_stableclocks(struct jtag_command *)
jlink_execute_runtest(struct jtag_command *)
jlink_execute_statemove(struct jtag_command *)
jlink_execute_pathmove(struct jtag_command *)
jlink_execute_scan(struct jtag_command *)
jlink_execute_sleep(struct jtag_command *)
jlink_execute_command(struct jtag_command *)
jlink_execute_queue(struct jtag_command *)
jlink_speed(int)
jlink_speed_div(int, int *)
jlink_khz(int, int *)
read_device_config(struct device_config *)
select_interface()
jlink_register()
adjust_swd_buffer_size()
jaylink_log_handler(const struct jaylink_context *, enum jaylink_log_level, const char *, va_list, void *)
jlink_usb_location_equal(struct jaylink_device *)
jlink_open_device(uint32_t, bool *)
jlink_init()
jlink_quit()
...
jlink_end_state(tap_state_t)
jlink_state_move()
jlink_path_move(unsigned int, tap_state_t *)
jlink_stableclocks(unsigned int)
jlink_runtest(unsigned int)
jlink_reset(int, int)
jlink_reset_safe(int, int)
jlink_usb_command(struct command_invocation *)
jlink_handle_hwstatus_command(struct command_invocation *)
jlink_handle_free_memory_command(struct command_invocation *)
jlink_handle_jlink_jtag_command(struct command_invocation *)
jlink_handle_target_power_command(struct command_invocation *)
show_config_usb_address(struct command_invocation *)
show_config_ip_address(struct command_invocation *)
show_config_mac_address(struct command_invocation *)
show_config_target_power(struct command_invocation *)
show_config(struct command_invocation *)
poll_trace(uint8_t *, size_t *)
calculate_trace_buffer_size()
calculate_swo_prescaler(unsigned int, uint32_t, uint16_t *)
detect_swo_freq_and_prescaler(struct jaylink_swo_speed, unsigned int, unsigned int *, uint16_t *)
config_trace(bool, enum tpiu_pin_protocol, uint32_t, unsigned int *, unsigned int, uint16_t *)
jlink_handle_config_usb_address_command(struct command_invocation *)
jlink_handle_config_target_power_command(struct command_invocation *)
jlink_handle_config_mac_address_command(struct command_invocation *)
string_to_ip(const char *, uint8_t *, int *)
cpy_ip(uint8_t *, uint8_t *)
jlink_handle_config_ip_address_command(struct command_invocation *)
jlink_handle_config_reset_command(struct command_invocation *)
jlink_handle_config_write_command(struct command_invocation *)
jlink_handle_config_command(struct command_invocation *)
jlink_handle_emucom_write_command(struct command_invocation *)
jlink_handle_emucom_read_command(struct command_invocation *)
jlink_config_subcommand_handlers
jlink_emucom_subcommand_handlers
jlink_subcommand_handlers
jlink_command_handlers
jlink_swd_init()
jlink_swd_write_reg(uint8_t, uint32_t, uint32_t)
jlink_swd_read_reg(uint8_t, uint32_t *, uint32_t)
tap_length
tms_buffer
tdi_buffer
tdo_buffer
pending_scan_result
#define MAX_PENDING_SCAN_RESULTS
pending_scan_results_length
pending_scan_results_buffer
jlink_tap_init()
jlink_clock_data(const uint8_t *, unsigned int, const uint8_t *, unsigned int, uint8_t *, unsigned int, unsigned int)
jlink_flush()
fill_buffer(uint8_t *, uint32_t, uint32_t)
jlink_queue_data_out(const uint8_t *, uint32_t)
jlink_queue_data_in(uint32_t)
jlink_swd_switch_seq(enum swd_special_seq)
jlink_swd_run_queue()
jlink_swd_queue_cmd(uint8_t, uint32_t *, uint32_t, uint32_t)
jlink_swd
jlink_transports
jlink_interface
jlink_adapter_driver
Files
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SourceVuDevelopment ToolsOpenOCDsrc/jtag/drivers/jlink.c
 
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// SPDX-License-Identifier: GPL-2.0-or-later /*************************************************************************** * Copyright (C) 2007 by Juergen Stuber <juergen@jstuber.net> * * based on Dominic Rath's and Benedikt Sauter's usbprog.c * * * * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * * Copyright (C) 2011 by Jean-Christophe PLAGNIOL-VIILARD * * plagnioj@jcrosoft.com * * * * Copyright (C) 2015 by Marc Schink * * openocd-dev@marcschink.de * * * * Copyright (C) 2015 by Paul Fertser * * fercerpav@gmail.com * ***************************************************************************//* ... */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdint.h> #include <math.h> #include <jtag/interface.h> #include <jtag/swd.h> #include <jtag/commands.h> #include <jtag/adapter.h> #include <helper/replacements.h> #include <target/cortex_m.h> #include <libjaylink/libjaylink.h> 9 includes static struct jaylink_context *jayctx; static struct jaylink_device_handle *devh; static struct jaylink_connection conn; static struct jaylink_connection connlist[JAYLINK_MAX_CONNECTIONS]; static enum jaylink_jtag_version jtag_command_version; static uint8_t caps[JAYLINK_DEV_EXT_CAPS_SIZE]; static uint32_t serial_number; static bool use_serial_number; static bool use_usb_location; static enum jaylink_usb_address usb_address; static bool use_usb_address; static enum jaylink_target_interface iface = JAYLINK_TIF_JTAG; static bool trace_enabled; #define JLINK_MAX_SPEED 12000 #define JLINK_TAP_BUFFER_SIZE 2048 static unsigned int swd_buffer_size = JLINK_TAP_BUFFER_SIZE; /* Maximum SWO frequency deviation. */ #define SWO_MAX_FREQ_DEV 0.03 /* 256 byte non-volatile memory */ struct device_config { uint8_t usb_address; /* 0ffset 0x01 to 0x03 */ uint8_t reserved_1[3]; uint32_t target_power; /* 0ffset 0x08 to 0x1f */ uint8_t reserved_2[24]; /* IP only for J-Link Pro */ uint8_t ip_address[4]; uint8_t subnet_mask[4]; /* 0ffset 0x28 to 0x2f */ uint8_t reserved_3[8]; uint8_t mac_address[6]; /* 0ffset 0x36 to 0xff */ uint8_t reserved_4[202]; ...} __attribute__ ((packed)); static struct device_config config; static struct device_config tmp_config; /* Queue command functions */ static void jlink_end_state(tap_state_t state); static void jlink_state_move(void); static void jlink_path_move(unsigned int num_states, tap_state_t *path); static void jlink_stableclocks(unsigned int num_cycles); static void jlink_runtest(unsigned int num_cycles); static void jlink_reset(int trst, int srst); static int jlink_reset_safe(int trst, int srst); static int jlink_swd_run_queue(void); static void jlink_swd_queue_cmd(uint8_t cmd, uint32_t *dst, uint32_t data, uint32_t ap_delay_clk); static int jlink_swd_switch_seq(enum swd_special_seq seq); /* J-Link tap buffer functions */ static void jlink_tap_init(void); static int jlink_flush(void); /** * Queue data to go out and in, flushing the queue as many times as * necessary. * * @param out A pointer to TDI data, if NULL, old stale data will be used. * @param out_offset A bit offset for TDI data. * @param tms_out A pointer to TMS data, if NULL, zeroes will be emitted. * @param tms_offset A bit offset for TMS data. * @param in A pointer to store TDO data to, if NULL the data will be discarded. * @param in_offset A bit offset for TDO data. * @param length Amount of bits to transfer out and in. *//* ... */ static void jlink_clock_data(const uint8_t *out, unsigned out_offset, const uint8_t *tms_out, unsigned tms_offset, uint8_t *in, unsigned in_offset, unsigned length); static enum tap_state jlink_last_state = TAP_RESET; static int queued_retval; /***************************************************************************/ /* External interface implementation */ static void jlink_execute_stableclocks(struct jtag_command *cmd) { LOG_DEBUG_IO("stableclocks %i cycles", cmd->cmd.runtest->num_cycles); jlink_stableclocks(cmd->cmd.runtest->num_cycles); }{ ... } static void jlink_execute_runtest(struct jtag_command *cmd) { LOG_DEBUG_IO("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state); jlink_end_state(cmd->cmd.runtest->end_state); jlink_runtest(cmd->cmd.runtest->num_cycles); }{ ... } static void jlink_execute_statemove(struct jtag_command *cmd) { LOG_DEBUG_IO("statemove end in %i", cmd->cmd.statemove->end_state); jlink_end_state(cmd->cmd.statemove->end_state); jlink_state_move(); }{ ... } static void jlink_execute_pathmove(struct jtag_command *cmd) { LOG_DEBUG_IO("pathmove: %u states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); jlink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path); }{ ... } static void jlink_execute_scan(struct jtag_command *cmd) { LOG_DEBUG_IO("%s type:%d", cmd->cmd.scan->ir_scan ? "IRSCAN" : "DRSCAN", jtag_scan_type(cmd->cmd.scan)); /* Make sure there are no trailing fields with num_bits == 0, or the logic below will fail. */ while (cmd->cmd.scan->num_fields > 0 && cmd->cmd.scan->fields[cmd->cmd.scan->num_fields - 1].num_bits == 0) { cmd->cmd.scan->num_fields--; LOG_DEBUG("discarding trailing empty field"); }while (cmd->cmd.scan->num_fields > 0 && cmd->cmd.scan->fields[cmd->cmd.scan->num_fields - 1].num_bits == 0) { ... } if (!cmd->cmd.scan->num_fields) { LOG_DEBUG("empty scan, doing nothing"); return; }if (!cmd->cmd.scan->num_fields) { ... } if (cmd->cmd.scan->ir_scan) { if (tap_get_state() != TAP_IRSHIFT) { jlink_end_state(TAP_IRSHIFT); jlink_state_move(); }if (tap_get_state() != TAP_IRSHIFT) { ... } }if (cmd->cmd.scan->ir_scan) { ... } else { if (tap_get_state() != TAP_DRSHIFT) { jlink_end_state(TAP_DRSHIFT); jlink_state_move(); }if (tap_get_state() != TAP_DRSHIFT) { ... } }else { ... } jlink_end_state(cmd->cmd.scan->end_state); struct scan_field *field = cmd->cmd.scan->fields; unsigned scan_size = 0; for (unsigned int i = 0; i < cmd->cmd.scan->num_fields; i++, field++) { scan_size += field->num_bits; LOG_DEBUG_IO("%s%s field %u/%u %u bits", field->in_value ? "in" : "", field->out_value ? "out" : "", i, cmd->cmd.scan->num_fields, field->num_bits); if (i == cmd->cmd.scan->num_fields - 1 && tap_get_state() != tap_get_end_state()) { /* Last field, and we're leaving IRSHIFT/DRSHIFT. Clock last bit during tap * movement. This last field can't have length zero, it was checked above. *//* ... */ jlink_clock_data(field->out_value, 0, NULL, 0, field->in_value, 0, field->num_bits - 1); uint8_t last_bit = 0; if (field->out_value) bit_copy(&last_bit, 0, field->out_value, field->num_bits - 1, 1); uint8_t tms_bits = 0x01; jlink_clock_data(&last_bit, 0, &tms_bits, 0, field->in_value, field->num_bits - 1, 1); tap_set_state(tap_state_transition(tap_get_state(), 1)); jlink_clock_data(NULL, 0, &tms_bits, 1, NULL, 0, 1); tap_set_state(tap_state_transition(tap_get_state(), 0)); }if (i == cmd->cmd.scan->num_fields - 1 && tap_get_state() != tap_get_end_state()) { ... } else jlink_clock_data(field->out_value, 0, NULL, 0, field->in_value, 0, field->num_bits); }for (unsigned int i = 0; i < cmd->cmd.scan->num_fields; i++, field++) { ... } if (tap_get_state() != tap_get_end_state()) { jlink_end_state(tap_get_end_state()); jlink_state_move(); }if (tap_get_state() != tap_get_end_state()) { ... } LOG_DEBUG_IO("%s scan, %i bits, end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size, tap_state_name(tap_get_end_state())); }{ ... } static void jlink_execute_sleep(struct jtag_command *cmd) { LOG_DEBUG_IO("sleep %" PRIu32 "", cmd->cmd.sleep->us); jlink_flush(); jtag_sleep(cmd->cmd.sleep->us); }{ ... } static int jlink_execute_command(struct jtag_command *cmd) { switch (cmd->type) { case JTAG_STABLECLOCKS: jlink_execute_stableclocks(cmd); break;case JTAG_STABLECLOCKS: case JTAG_RUNTEST: jlink_execute_runtest(cmd); break;case JTAG_RUNTEST: case JTAG_TLR_RESET: jlink_execute_statemove(cmd); break;case JTAG_TLR_RESET: case JTAG_PATHMOVE: jlink_execute_pathmove(cmd); break;case JTAG_PATHMOVE: case JTAG_SCAN: jlink_execute_scan(cmd); break;case JTAG_SCAN: case JTAG_SLEEP: jlink_execute_sleep(cmd); break;case JTAG_SLEEP: default: LOG_ERROR("BUG: Unknown JTAG command type encountered"); return ERROR_JTAG_QUEUE_FAILED;default }switch (cmd->type) { ... } return ERROR_OK; }{ ... } static int jlink_execute_queue(struct jtag_command *cmd_queue) { int ret; struct jtag_command *cmd = cmd_queue; while (cmd) { ret = jlink_execute_command(cmd); if (ret != ERROR_OK) return ret; cmd = cmd->next; }while (cmd) { ... } return jlink_flush(); }{ ... } static int jlink_speed(int speed) { int ret; struct jaylink_speed tmp; int max_speed; if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_SPEEDS)) { ret = jaylink_get_speeds(devh, &tmp); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_speeds() failed: %s", jaylink_strerror(ret)); return ERROR_JTAG_DEVICE_ERROR; }if (ret != JAYLINK_OK) { ... } tmp.freq /= 1000; max_speed = tmp.freq / tmp.div; }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_SPEEDS)) { ... } else { max_speed = JLINK_MAX_SPEED; }else { ... } if (!speed) { if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ADAPTIVE_CLOCKING)) { LOG_ERROR("Adaptive clocking is not supported by the device"); return ERROR_JTAG_NOT_IMPLEMENTED; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ADAPTIVE_CLOCKING)) { ... } speed = JAYLINK_SPEED_ADAPTIVE_CLOCKING; }if (!speed) { ... } else if (speed > max_speed) { LOG_INFO("Reduced speed from %d kHz to %d kHz (maximum)", speed, max_speed); speed = max_speed; }else if (speed > max_speed) { ... } ret = jaylink_set_speed(devh, speed); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_set_speed() failed: %s", jaylink_strerror(ret)); return ERROR_JTAG_DEVICE_ERROR; }if (ret != JAYLINK_OK) { ... } return ERROR_OK; }{ ... } static int jlink_speed_div(int speed, int *khz) { *khz = speed; return ERROR_OK; }{ ... } static int jlink_khz(int khz, int *jtag_speed) { *jtag_speed = khz; return ERROR_OK; }{ ... } static bool read_device_config(struct device_config *cfg) { int ret; ret = jaylink_read_raw_config(devh, (uint8_t *)cfg); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_read_raw_config() failed: %s", jaylink_strerror(ret)); return false; }if (ret != JAYLINK_OK) { ... } if (cfg->usb_address == 0xff) cfg->usb_address = 0x00; if (cfg->target_power == 0xffffffff) cfg->target_power = 0; return true; }{ ... } static int select_interface(void) { int ret; uint32_t interfaces; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SELECT_TIF)) { if (iface != JAYLINK_TIF_JTAG) { LOG_ERROR("Device supports JTAG transport only"); return ERROR_JTAG_INIT_FAILED; }if (iface != JAYLINK_TIF_JTAG) { ... } return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SELECT_TIF)) { ... } ret = jaylink_get_available_interfaces(devh, &interfaces); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_available_interfaces() failed: %s", jaylink_strerror(ret)); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } if (!(interfaces & (1 << iface))) { LOG_ERROR("Selected transport is not supported by the device"); return ERROR_JTAG_INIT_FAILED; }if (!(interfaces & (1 << iface))) { ... } ret = jaylink_select_interface(devh, iface, NULL); if (ret < 0) { LOG_ERROR("jaylink_select_interface() failed: %s", jaylink_strerror(ret)); return ERROR_JTAG_INIT_FAILED; }if (ret < 0) { ... } return ERROR_OK; }{ ... } static int jlink_register(void) { int ret; size_t i; bool handle_found; size_t count; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_REGISTER)) return ERROR_OK; ret = jaylink_register(devh, &conn, connlist, &count); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_register() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } handle_found = false; for (i = 0; i < count; i++) { if (connlist[i].handle == conn.handle) { handle_found = true; break; }if (connlist[i].handle == conn.handle) { ... } }for (i = 0; i < count; i++) { ... } if (!handle_found) { LOG_ERROR("Registration failed: maximum number of connections on the " "device reached"); return ERROR_FAIL; }if (!handle_found) { ... } return ERROR_OK; }{ ... } /* * Adjust the SWD transaction buffer size depending on the free device internal * memory. This ensures that the SWD transactions sent to the device do not * exceed the internal memory of the device. *//* ... */ static bool adjust_swd_buffer_size(void) { int ret; uint32_t tmp; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_FREE_MEMORY)) return true; ret = jaylink_get_free_memory(devh, &tmp); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_free_memory() failed: %s", jaylink_strerror(ret)); return false; }if (ret != JAYLINK_OK) { ... } if (tmp < 143) { LOG_ERROR("Not enough free device internal memory: %" PRIu32 " bytes", tmp); return false; }if (tmp < 143) { ... } tmp = MIN(JLINK_TAP_BUFFER_SIZE, (tmp - 16) / 2); if (tmp != swd_buffer_size) { swd_buffer_size = tmp; LOG_DEBUG("Adjusted SWD transaction buffer size to %u bytes", swd_buffer_size); }if (tmp != swd_buffer_size) { ... } return true; }{ ... } static int jaylink_log_handler(const struct jaylink_context *ctx, enum jaylink_log_level level, const char *format, va_list args, void *user_data) { enum log_levels tmp; switch (level) { case JAYLINK_LOG_LEVEL_ERROR: tmp = LOG_LVL_ERROR; break;case JAYLINK_LOG_LEVEL_ERROR: case JAYLINK_LOG_LEVEL_WARNING: tmp = LOG_LVL_WARNING; break; /* * Forward info messages to the debug output because they are more verbose * than info messages of OpenOCD. *//* ... */ case JAYLINK_LOG_LEVEL_WARNING: case JAYLINK_LOG_LEVEL_INFO: case JAYLINK_LOG_LEVEL_DEBUG: tmp = LOG_LVL_DEBUG; break;case JAYLINK_LOG_LEVEL_DEBUG: case JAYLINK_LOG_LEVEL_DEBUG_IO: tmp = LOG_LVL_DEBUG_IO; break;case JAYLINK_LOG_LEVEL_DEBUG_IO: default: tmp = LOG_LVL_WARNING;default }switch (level) { ... } log_vprintf_lf(tmp, __FILE__, __LINE__, __func__, format, args); return 0; }{ ... } static bool jlink_usb_location_equal(struct jaylink_device *dev) { int retval; uint8_t bus; uint8_t *ports; size_t num_ports; bool equal = false; retval = jaylink_device_get_usb_bus_ports(dev, &bus, &ports, &num_ports); if (retval == JAYLINK_ERR_NOT_SUPPORTED) { return false; }if (retval == JAYLINK_ERR_NOT_SUPPORTED) { ... } else if (retval != JAYLINK_OK) { LOG_WARNING("jaylink_device_get_usb_bus_ports() failed: %s", jaylink_strerror(retval)); return false; }else if (retval != JAYLINK_OK) { ... } equal = adapter_usb_location_equal(bus, ports, num_ports); free(ports); return equal; }{ ... } static int jlink_open_device(uint32_t ifaces, bool *found_device) { int ret = jaylink_discovery_scan(jayctx, ifaces); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_discovery_scan() failed: %s", jaylink_strerror(ret)); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } size_t num_devices; struct jaylink_device **devs; ret = jaylink_get_devices(jayctx, &devs, &num_devices); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_devices() failed: %s", jaylink_strerror(ret)); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } use_usb_location = !!adapter_usb_get_location(); if (!use_serial_number && !use_usb_address && !use_usb_location && num_devices > 1) { LOG_ERROR("Multiple devices found, specify the desired device"); LOG_INFO("Found devices:"); for (size_t i = 0; devs[i]; i++) { uint32_t serial; ret = jaylink_device_get_serial_number(devs[i], &serial); if (ret == JAYLINK_ERR_NOT_AVAILABLE) { continue; }if (ret == JAYLINK_ERR_NOT_AVAILABLE) { ... } else if (ret != JAYLINK_OK) { LOG_WARNING("jaylink_device_get_serial_number() failed: %s", jaylink_strerror(ret)); continue; }else if (ret != JAYLINK_OK) { ... } LOG_INFO("Device %zu serial: %" PRIu32, i, serial); }for (size_t i = 0; devs[i]; i++) { ... } jaylink_free_devices(devs, true); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (!use_serial_number && !use_usb_address && !use_usb_location && num_devices > 1) { ... } *found_device = false; for (size_t i = 0; devs[i]; i++) { struct jaylink_device *dev = devs[i]; if (use_serial_number) { uint32_t tmp; ret = jaylink_device_get_serial_number(dev, &tmp); if (ret == JAYLINK_ERR_NOT_AVAILABLE) { continue; }if (ret == JAYLINK_ERR_NOT_AVAILABLE) { ... } else if (ret != JAYLINK_OK) { LOG_WARNING("jaylink_device_get_serial_number() failed: %s", jaylink_strerror(ret)); continue; }else if (ret != JAYLINK_OK) { ... } if (serial_number != tmp) continue; }if (use_serial_number) { ... } if (use_usb_address) { enum jaylink_usb_address address; ret = jaylink_device_get_usb_address(dev, &address); if (ret == JAYLINK_ERR_NOT_SUPPORTED) { continue; }if (ret == JAYLINK_ERR_NOT_SUPPORTED) { ... } else if (ret != JAYLINK_OK) { LOG_WARNING("jaylink_device_get_usb_address() failed: %s", jaylink_strerror(ret)); continue; }else if (ret != JAYLINK_OK) { ... } if (usb_address != address) continue; }if (use_usb_address) { ... } if (use_usb_location && !jlink_usb_location_equal(dev)) continue; ret = jaylink_open(dev, &devh); if (ret == JAYLINK_OK) { *found_device = true; break; }if (ret == JAYLINK_OK) { ... } LOG_ERROR("Failed to open device: %s", jaylink_strerror(ret)); }for (size_t i = 0; devs[i]; i++) { ... } jaylink_free_devices(devs, true); return ERROR_OK; }{ ... } static int jlink_init(void) { int ret; char *firmware_version; struct jaylink_hardware_version hwver; struct jaylink_hardware_status hwstatus; size_t length; LOG_DEBUG("Using libjaylink %s (compiled with %s)", jaylink_version_package_get_string(), JAYLINK_VERSION_PACKAGE_STRING); if (!jaylink_library_has_cap(JAYLINK_CAP_HIF_USB) && use_usb_address) { LOG_ERROR("J-Link driver does not support USB devices"); return ERROR_JTAG_INIT_FAILED; }if (!jaylink_library_has_cap(JAYLINK_CAP_HIF_USB) && use_usb_address) { ... } ret = jaylink_init(&jayctx); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_init() failed: %s", jaylink_strerror(ret)); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } ret = jaylink_log_set_callback(jayctx, &jaylink_log_handler, NULL); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_log_set_callback() failed: %s", jaylink_strerror(ret)); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } const char *serial = adapter_get_required_serial(); if (serial) { ret = jaylink_parse_serial_number(serial, &serial_number); if (ret == JAYLINK_ERR) { LOG_ERROR("Invalid serial number: %s", serial); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret == JAYLINK_ERR) { ... } if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_parse_serial_number() failed: %s", jaylink_strerror(ret)); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } use_serial_number = true; use_usb_address = false; }if (serial) { ... } bool found_device; ret = jlink_open_device(JAYLINK_HIF_USB, &found_device); if (ret != ERROR_OK) return ret; if (!found_device && use_serial_number) { ret = jlink_open_device(JAYLINK_HIF_TCP, &found_device); if (ret != ERROR_OK) return ret; }if (!found_device && use_serial_number) { ... } if (!found_device) { LOG_ERROR("No J-Link device found"); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (!found_device) { ... } /* * Be careful with changing the following initialization sequence because * some devices are known to be sensitive regarding the order. *//* ... */ ret = jaylink_get_firmware_version(devh, &firmware_version, &length); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_firmware_version() failed: %s", jaylink_strerror(ret)); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } else if (length > 0) { LOG_INFO("%s", firmware_version); free(firmware_version); }else if (length > 0) { ... } else { LOG_WARNING("Device responds empty firmware version string"); }else { ... } memset(caps, 0, JAYLINK_DEV_EXT_CAPS_SIZE); ret = jaylink_get_caps(devh, caps); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_caps() failed: %s", jaylink_strerror(ret)); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_EXT_CAPS)) { ret = jaylink_get_extended_caps(devh, caps); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_extended_caps() failed: %s", jaylink_strerror(ret)); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_EXT_CAPS)) { ... } jtag_command_version = JAYLINK_JTAG_VERSION_2; if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_HW_VERSION)) { ret = jaylink_get_hardware_version(devh, &hwver); if (ret != JAYLINK_OK) { LOG_ERROR("Failed to retrieve hardware version: %s", jaylink_strerror(ret)); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } LOG_INFO("Hardware version: %u.%02u", hwver.major, hwver.minor); if (hwver.major >= 5) jtag_command_version = JAYLINK_JTAG_VERSION_3; }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_HW_VERSION)) { ... } if (iface == JAYLINK_TIF_SWD) { /* * Adjust the SWD transaction buffer size in case there is already * allocated memory on the device. This happens for example if the * memory for SWO capturing is still allocated because the software * which used the device before has not been shut down properly. *//* ... */ if (!adjust_swd_buffer_size()) { jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (!adjust_swd_buffer_size()) { ... } }if (iface == JAYLINK_TIF_SWD) { ... } if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { if (!read_device_config(&config)) { LOG_ERROR("Failed to read device configuration data"); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (!read_device_config(&config)) { ... } memcpy(&tmp_config, &config, sizeof(struct device_config)); }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { ... } ret = jaylink_get_hardware_status(devh, &hwstatus); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_hardware_status() failed: %s", jaylink_strerror(ret)); jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != JAYLINK_OK) { ... } LOG_INFO("VTarget = %u.%03u V", hwstatus.target_voltage / 1000, hwstatus.target_voltage % 1000); conn.handle = 0; conn.pid = 0; strcpy(conn.hid, "0.0.0.0"); conn.iid = 0; conn.cid = 0; ret = jlink_register(); if (ret != ERROR_OK) { jaylink_close(devh); jaylink_exit(jayctx); return ERROR_JTAG_INIT_FAILED; }if (ret != ERROR_OK) { ... } ret = select_interface(); if (ret != ERROR_OK) { jaylink_close(devh); jaylink_exit(jayctx); return ret; }if (ret != ERROR_OK) { ... } jlink_reset(0, 0); jtag_sleep(3000); jlink_tap_init(); jlink_speed(adapter_get_speed_khz()); if (iface == JAYLINK_TIF_JTAG) { /* * J-Link devices with firmware version v5 and v6 seems to have an issue * if the first tap move is not divisible by 8, so we send a TLR on * first power up. *//* ... */ uint8_t tms = 0xff; jlink_clock_data(NULL, 0, &tms, 0, NULL, 0, 8); jlink_flush(); }if (iface == JAYLINK_TIF_JTAG) { ... } return ERROR_OK; }{ ... } static int jlink_quit(void) { int ret; size_t count; if (trace_enabled) { ret = jaylink_swo_stop(devh); if (ret != JAYLINK_OK) LOG_ERROR("jaylink_swo_stop() failed: %s", jaylink_strerror(ret)); }if (trace_enabled) { ... } if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_REGISTER)) { ret = jaylink_unregister(devh, &conn, connlist, &count); if (ret != JAYLINK_OK) LOG_ERROR("jaylink_unregister() failed: %s", jaylink_strerror(ret)); }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_REGISTER)) { ... } jaylink_close(devh); jaylink_exit(jayctx); return ERROR_OK; }{ ... } .../***************************************************************************/ /* Queue command implementations */ static void jlink_end_state(tap_state_t state) { if (tap_is_state_stable(state)) tap_set_end_state(state); else { LOG_ERROR("BUG: %i is not a valid end state", state); exit(-1); }else { ... } }{ ... } /* Goes to the end state. */ static void jlink_state_move(void) { uint8_t tms_scan; uint8_t tms_scan_bits; tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state()); tms_scan_bits = tap_get_tms_path_len(tap_get_state(), tap_get_end_state()); jlink_clock_data(NULL, 0, &tms_scan, 0, NULL, 0, tms_scan_bits); tap_set_state(tap_get_end_state()); }{ ... } static void jlink_path_move(unsigned int num_states, tap_state_t *path) { uint8_t tms = 0xff; for (unsigned int i = 0; i < num_states; i++) { if (path[i] == tap_state_transition(tap_get_state(), false)) jlink_clock_data(NULL, 0, NULL, 0, NULL, 0, 1); else if (path[i] == tap_state_transition(tap_get_state(), true)) jlink_clock_data(NULL, 0, &tms, 0, NULL, 0, 1); else { LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(path[i])); exit(-1); }else { ... } tap_set_state(path[i]); }for (unsigned int i = 0; i < num_states; i++) { ... } tap_set_end_state(tap_get_state()); }{ ... } static void jlink_stableclocks(unsigned int num_cycles) { uint8_t tms = tap_get_state() == TAP_RESET; /* Execute num_cycles. */ for (unsigned int i = 0; i < num_cycles; i++) jlink_clock_data(NULL, 0, &tms, 0, NULL, 0, 1); }{ ... } static void jlink_runtest(unsigned int num_cycles) { tap_state_t saved_end_state = tap_get_end_state(); /* Only do a state_move when we're not already in IDLE. */ if (tap_get_state() != TAP_IDLE) { jlink_end_state(TAP_IDLE); jlink_state_move(); /* num_cycles--; */ }if (tap_get_state() != TAP_IDLE) { ... } jlink_stableclocks(num_cycles); /* Finish in end_state. */ jlink_end_state(saved_end_state); if (tap_get_state() != tap_get_end_state()) jlink_state_move(); }{ ... } static void jlink_reset(int trst, int srst) { LOG_DEBUG("TRST: %i, SRST: %i", trst, srst); /* Signals are active low. */ if (srst == 0) jaylink_set_reset(devh); if (srst == 1) jaylink_clear_reset(devh); if (trst == 1) jaylink_jtag_clear_trst(devh); if (trst == 0) jaylink_jtag_set_trst(devh); }{ ... } static int jlink_reset_safe(int trst, int srst) { jlink_flush(); jlink_reset(trst, srst); return jlink_flush(); }{ ... } COMMAND_HANDLER(jlink_usb_command) { if (CMD_ARGC != 1) return ERROR_COMMAND_SYNTAX_ERROR; unsigned int tmp; COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], tmp); if (tmp > JAYLINK_USB_ADDRESS_3) { command_print(CMD, "Invalid USB address: %s", CMD_ARGV[0]); return ERROR_COMMAND_ARGUMENT_INVALID; }if (tmp > JAYLINK_USB_ADDRESS_3) { ... } usb_address = tmp; use_usb_address = true; return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_hwstatus_command) { int ret; struct jaylink_hardware_status status; ret = jaylink_get_hardware_status(devh, &status); if (ret != JAYLINK_OK) { command_print(CMD, "jaylink_get_hardware_status() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } command_print(CMD, "VTarget = %u.%03u V", status.target_voltage / 1000, status.target_voltage % 1000); command_print(CMD, "TCK = %u TDI = %u TDO = %u TMS = %u SRST = %u " "TRST = %u", status.tck, status.tdi, status.tdo, status.tms, status.tres, status.trst); if (status.target_voltage < 1500) command_print(CMD, "Target voltage too low. Check target power"); return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_free_memory_command) { int ret; uint32_t tmp; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_FREE_MEMORY)) { command_print(CMD, "Retrieval of free memory is not supported by " "the device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_FREE_MEMORY)) { ... } ret = jaylink_get_free_memory(devh, &tmp); if (ret != JAYLINK_OK) { command_print(CMD, "jaylink_get_free_memory() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } command_print(CMD, "Device has %" PRIu32 " bytes of free memory", tmp); return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_jlink_jtag_command) { if (!CMD_ARGC) { unsigned int version; switch (jtag_command_version) { case JAYLINK_JTAG_VERSION_2: version = 2; break;case JAYLINK_JTAG_VERSION_2: case JAYLINK_JTAG_VERSION_3: version = 3; break;case JAYLINK_JTAG_VERSION_3: default: return ERROR_FAIL;default }switch (jtag_command_version) { ... } command_print(CMD, "JTAG command version: %u", version); }if (!CMD_ARGC) { ... } else if (CMD_ARGC == 1) { uint8_t tmp; COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0], tmp); switch (tmp) { case 2: jtag_command_version = JAYLINK_JTAG_VERSION_2; break;case 2: case 3: jtag_command_version = JAYLINK_JTAG_VERSION_3; break;case 3: default: command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]); return ERROR_COMMAND_ARGUMENT_INVALID;default }switch (tmp) { ... } }else if (CMD_ARGC == 1) { ... } else { return ERROR_COMMAND_SYNTAX_ERROR; }else { ... } return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_target_power_command) { if (CMD_ARGC > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) { command_print(CMD, "Target power supply is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) { ... } if (!CMD_ARGC) { uint32_t state; int ret = jaylink_get_hardware_info(devh, JAYLINK_HW_INFO_TARGET_POWER, &state); if (ret != JAYLINK_OK) { command_print(CMD, "Failed to retrieve target power state"); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } command_print(CMD, "%d", (bool)state); return ERROR_OK; }if (!CMD_ARGC) { ... } bool enable; COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable); int ret = jaylink_set_target_power(devh, enable); if (ret != JAYLINK_OK) { command_print(CMD, "jaylink_set_target_power() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } return ERROR_OK; }{ ... } static void show_config_usb_address(struct command_invocation *cmd) { if (config.usb_address != tmp_config.usb_address) command_print(cmd, "USB address: %u [%u]", config.usb_address, tmp_config.usb_address); else command_print(cmd, "USB address: %u", config.usb_address); }{ ... } static void show_config_ip_address(struct command_invocation *cmd) { if (!memcmp(config.ip_address, tmp_config.ip_address, 4)) command_print(cmd, "IP address: %d.%d.%d.%d", config.ip_address[3], config.ip_address[2], config.ip_address[1], config.ip_address[0]); else command_print(cmd, "IP address: %d.%d.%d.%d [%d.%d.%d.%d]", config.ip_address[3], config.ip_address[2], config.ip_address[1], config.ip_address[0], tmp_config.ip_address[3], tmp_config.ip_address[2], tmp_config.ip_address[1], tmp_config.ip_address[0]); if (!memcmp(config.subnet_mask, tmp_config.subnet_mask, 4)) command_print(cmd, "Subnet mask: %d.%d.%d.%d", config.subnet_mask[3], config.subnet_mask[2], config.subnet_mask[1], config.subnet_mask[0]); else command_print(cmd, "Subnet mask: %d.%d.%d.%d [%d.%d.%d.%d]", config.subnet_mask[3], config.subnet_mask[2], config.subnet_mask[1], config.subnet_mask[0], tmp_config.subnet_mask[3], tmp_config.subnet_mask[2], tmp_config.subnet_mask[1], tmp_config.subnet_mask[0]); }{ ... } static void show_config_mac_address(struct command_invocation *cmd) { if (!memcmp(config.mac_address, tmp_config.mac_address, 6)) command_print(cmd, "MAC address: %.02x:%.02x:%.02x:%.02x:%.02x:%.02x", config.mac_address[5], config.mac_address[4], config.mac_address[3], config.mac_address[2], config.mac_address[1], config.mac_address[0]); else command_print(cmd, "MAC address: %.02x:%.02x:%.02x:%.02x:%.02x:%.02x " "[%.02x:%.02x:%.02x:%.02x:%.02x:%.02x]", config.mac_address[5], config.mac_address[4], config.mac_address[3], config.mac_address[2], config.mac_address[1], config.mac_address[0], tmp_config.mac_address[5], tmp_config.mac_address[4], tmp_config.mac_address[3], tmp_config.mac_address[2], tmp_config.mac_address[1], tmp_config.mac_address[0]); }{ ... } static void show_config_target_power(struct command_invocation *cmd) { const char *target_power; const char *current_target_power; if (!config.target_power) target_power = "off"; else target_power = "on"; if (!tmp_config.target_power) current_target_power = "off"; else current_target_power = "on"; if (config.target_power != tmp_config.target_power) command_print(cmd, "Target power supply: %s [%s]", target_power, current_target_power); else command_print(cmd, "Target power supply: %s", target_power); }{ ... } static void show_config(struct command_invocation *cmd) { command_print(cmd, "J-Link device configuration:"); show_config_usb_address(cmd); if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) show_config_target_power(cmd); if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) { show_config_ip_address(cmd); show_config_mac_address(cmd); }if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) { ... } }{ ... } static int poll_trace(uint8_t *buf, size_t *size) { int ret; uint32_t length; length = *size; ret = jaylink_swo_read(devh, buf, &length); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_swo_read() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } *size = length; return ERROR_OK; }{ ... } static uint32_t calculate_trace_buffer_size(void) { int ret; uint32_t tmp; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_FREE_MEMORY)) return 0; ret = jaylink_get_free_memory(devh, &tmp); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_get_free_memory() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } if (tmp > 0x3fff || tmp <= 0x600) tmp = tmp >> 1; else tmp = tmp - 0x400; return tmp & 0xffffff00; }{ ... } static bool calculate_swo_prescaler(unsigned int traceclkin_freq, uint32_t trace_freq, uint16_t *prescaler) { unsigned int presc = (traceclkin_freq + trace_freq / 2) / trace_freq; if (presc == 0 || presc > TPIU_ACPR_MAX_SWOSCALER + 1) return false; /* Probe's UART speed must be within 3% of the TPIU's SWO baud rate. */ unsigned int max_deviation = (traceclkin_freq * 3) / 100; if (presc * trace_freq < traceclkin_freq - max_deviation || presc * trace_freq > traceclkin_freq + max_deviation) return false; *prescaler = presc; return true; }{ ... } static bool detect_swo_freq_and_prescaler(struct jaylink_swo_speed speed, unsigned int traceclkin_freq, unsigned int *trace_freq, uint16_t *prescaler) { uint32_t divider; unsigned int presc; double deviation; for (divider = speed.min_div; divider <= speed.max_div; divider++) { *trace_freq = speed.freq / divider; presc = ((1.0 - SWO_MAX_FREQ_DEV) * traceclkin_freq) / *trace_freq + 1; if (presc > TPIU_ACPR_MAX_SWOSCALER + 1) break; deviation = fabs(1.0 - ((double)*trace_freq * presc / traceclkin_freq)); if (deviation <= SWO_MAX_FREQ_DEV) { *prescaler = presc; return true; }if (deviation <= SWO_MAX_FREQ_DEV) { ... } }for (divider = speed.min_div; divider <= speed.max_div; divider++) { ... } return false; }{ ... } static int config_trace(bool enabled, enum tpiu_pin_protocol pin_protocol, uint32_t port_size, unsigned int *trace_freq, unsigned int traceclkin_freq, uint16_t *prescaler) { int ret; uint32_t buffer_size; struct jaylink_swo_speed speed; uint32_t divider; uint32_t min_freq; uint32_t max_freq; trace_enabled = enabled; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SWO)) { if (!enabled) return ERROR_OK; LOG_ERROR("Trace capturing is not supported by the device"); return ERROR_FAIL; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SWO)) { ... } ret = jaylink_swo_stop(devh); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_swo_stop() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } if (!enabled) { /* * Adjust the SWD transaction buffer size as stopping SWO capturing * deallocates device internal memory. *//* ... */ if (!adjust_swd_buffer_size()) return ERROR_FAIL; return ERROR_OK; }if (!enabled) { ... } if (pin_protocol != TPIU_PIN_PROTOCOL_ASYNC_UART) { LOG_ERROR("Selected pin protocol is not supported"); return ERROR_FAIL; }if (pin_protocol != TPIU_PIN_PROTOCOL_ASYNC_UART) { ... } buffer_size = calculate_trace_buffer_size(); if (!buffer_size) { LOG_ERROR("Not enough free device memory to start trace capturing"); return ERROR_FAIL; }if (!buffer_size) { ... } ret = jaylink_swo_get_speeds(devh, JAYLINK_SWO_MODE_UART, &speed); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_swo_get_speeds() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } if (*trace_freq > 0) { divider = speed.freq / *trace_freq; min_freq = speed.freq / speed.max_div; max_freq = speed.freq / speed.min_div; if (*trace_freq > max_freq) { LOG_INFO("Given SWO frequency too high, using %" PRIu32 " Hz instead", max_freq); *trace_freq = max_freq; }if (*trace_freq > max_freq) { ... } else if (*trace_freq < min_freq) { LOG_INFO("Given SWO frequency too low, using %" PRIu32 " Hz instead", min_freq); *trace_freq = min_freq; }else if (*trace_freq < min_freq) { ... } else if (*trace_freq != speed.freq / divider) { *trace_freq = speed.freq / divider; LOG_INFO("Given SWO frequency is not supported by the device, " "using %u Hz instead", *trace_freq); }else if (*trace_freq != speed.freq / divider) { ... } if (!calculate_swo_prescaler(traceclkin_freq, *trace_freq, prescaler)) { LOG_ERROR("SWO frequency is not suitable. Please choose a " "different frequency or use auto-detection"); return ERROR_FAIL; }if (!calculate_swo_prescaler(traceclkin_freq, *trace_freq, prescaler)) { ... } }if (*trace_freq > 0) { ... } else { LOG_INFO("Trying to auto-detect SWO frequency"); if (!detect_swo_freq_and_prescaler(speed, traceclkin_freq, trace_freq, prescaler)) { LOG_ERROR("Maximum permitted frequency deviation of %.02f %% " "could not be achieved", SWO_MAX_FREQ_DEV); LOG_ERROR("Auto-detection of SWO frequency failed"); return ERROR_FAIL; }if (!detect_swo_freq_and_prescaler(speed, traceclkin_freq, trace_freq, prescaler)) { ... } LOG_INFO("Using SWO frequency of %u Hz", *trace_freq); }else { ... } ret = jaylink_swo_start(devh, JAYLINK_SWO_MODE_UART, *trace_freq, buffer_size); if (ret != JAYLINK_OK) { LOG_ERROR("jaylink_start_swo() failed: %s", jaylink_strerror(ret)); return ERROR_FAIL; }if (ret != JAYLINK_OK) { ... } LOG_DEBUG("Using %" PRIu32 " bytes device memory for trace capturing", buffer_size); /* * Adjust the SWD transaction buffer size as starting SWO capturing * allocates device internal memory. *//* ... */ if (!adjust_swd_buffer_size()) return ERROR_FAIL; return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_config_usb_address_command) { if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { command_print(CMD, "Reading configuration is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { ... } if (!CMD_ARGC) { show_config_usb_address(CMD); }if (!CMD_ARGC) { ... } else if (CMD_ARGC == 1) { uint8_t tmp; COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0], tmp); if (tmp > JAYLINK_USB_ADDRESS_3) { command_print(CMD, "Invalid USB address: %u", tmp); return ERROR_COMMAND_ARGUMENT_INVALID; }if (tmp > JAYLINK_USB_ADDRESS_3) { ... } tmp_config.usb_address = tmp; }else if (CMD_ARGC == 1) { ... } else { return ERROR_COMMAND_SYNTAX_ERROR; }else { ... } return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_config_target_power_command) { int enable; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { command_print(CMD, "Reading configuration is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { ... } if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) { command_print(CMD, "Target power supply is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) { ... } if (!CMD_ARGC) { show_config_target_power(CMD); }if (!CMD_ARGC) { ... } else if (CMD_ARGC == 1) { if (!strcmp(CMD_ARGV[0], "on")) { enable = true; }if (!strcmp(CMD_ARGV[0], "on")) { ... } else if (!strcmp(CMD_ARGV[0], "off")) { enable = false; }else if (!strcmp(CMD_ARGV[0], "off")) { ... } else { command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]); return ERROR_COMMAND_ARGUMENT_INVALID; }else { ... } tmp_config.target_power = enable; }else if (CMD_ARGC == 1) { ... } else { return ERROR_COMMAND_SYNTAX_ERROR; }else { ... } return ERROR_OK; }{ ... } COMMAND_HANDLER(jlink_handle_config_mac_address_command) { uint8_t addr[6]; int i; char *e; const char *str; if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { command_print(CMD, "Reading configuration is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) { ... } if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) { command_print(CMD, "Ethernet connectivity is not supported by the " "device"); return ERROR_OK; }if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) { ... } if (!CMD_ARGC) { show_config_mac_address(CMD); }if (!CMD_ARGC) { ... } else if (CMD_ARGC == 1) { str = CMD_ARGV[0]; if ((strlen(str) != 17) || (str[2] != ':' || str[5] != ':' || str[8] != ':' || str[11] != ':' || str[14] != ':')) { command_print(CMD, "Invalid MAC address format"); return ERROR_COMMAND_ARGUMENT_INVALID; }if ((strlen(str) != 17) || (str[2] != ':' || str[5] != ':' || str[8] != ':' || str[11] != ':' || str[14] != ':')) { ... } for (i = 5; i >= 0; i--) { addr[i] = strtoul(str, &e, 16); str = e + 1; }for (i = 5; i >= 0; i--) { ... } if (!(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5])) { command_print(CMD, "Invalid MAC address: zero address"); return ERROR_COMMAND_ARGUMENT_INVALID; }if (!(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5])) { ... } if (!(0x01 & addr[0])) { command_print(CMD, "Invalid MAC address: multicast address"); return ERROR_COMMAND_ARGUMENT_INVALID; }if (!(0x01 & addr[0])) { ... } memcpy(tmp_config.mac_address, addr, sizeof(addr)); }else if (CMD_ARGC == 1) { ... } else { return ERROR_COMMAND_SYNTAX_ERROR; }else { ... } return ERROR_OK; }{ ... } static bool string_to_ip(const char *s, uint8_t *ip, int *pos) { uint8_t lip[4]; char *e; const char *s_save = s; int i; if (!s) return false; for (i = 0; i < 4; i++) { lip[i] = strtoul(s, &e, 10); if (*e != '.' && i != 3) return false; s = e + 1; }for (i = 0; i < 4; i++) { ... } *pos = e - s_save; memcpy(ip, lip, sizeof(lip)); return true; }{ ... } static void cpy_ip(uint8_t *dst, uint8_t *src) { int i, j; for (i = 0, j = 3; i < 4; i++, j--) dst[i] = src[j]; }{ ... } COMMAND_HANDLER(jlink_handle_config_ip_address_command) { uint8_t ip_address[4]