安装jlink驱动参考https://blog.csdn.net/lc_cc/article/details/66982821
1.以下为通过jlink连接到stm32的操作(红色为命令输入行,部分使用默认选项直接enter所以没有输入)
allen@allen-To-be-filled-by-O-E-M:/media/allen/CP$ cd /opt/SEGGER/JLink/
allen@allen-To-be-filled-by-O-E-M:/opt/SEGGER/JLink$ ./JLinkExe
SEGGER J-Link Commander V5.12 (Compiled Mar 30 2016 17:29:11)
DLL version V5.12, compiled Mar 30 2016 17:29:06
Connecting to J-Link via USB...O.K.
Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
Hardware version: V8.00
S/N: 1631096674
License(s): RDI,FlashDL,FlashBP,JFlash,GDBFULL
VTref = 3.300V
Type "connect" to establish a target connection, '?' for help
J-Link>connect
Please specify device / core.
Type '?' for selection dialog
Device>
Please specify target interface:
J) JTAG (Default)
S) SWD
TIF>S
Specify target interface speed [kHz].
Speed>
Device "STM32F105RB" selected.
Found SWD-DP with ID 0x1BA01477
Found SWD-DP with ID 0x1BA01477
Found Cortex-M3 r1p1, Little endian.
FPUnit: 6 code (BP) slots and 2 literal slots
CoreSight components:
ROMTbl 0 @ E00FF000
ROMTbl 0 [0]: FFF0F000, CID: B105E00D, PID: 001BB000 SCS
ROMTbl 0 [1]: FFF02000, CID: B105E00D, PID: 001BB002 DWT
ROMTbl 0 [2]: FFF03000, CID: B105E00D, PID: 000BB003 FPB
ROMTbl 0 [3]: FFF01000, CID: B105E00D, PID: 001BB001 ITM
ROMTbl 0 [4]: FFF41000, CID: B105900D, PID: 001BB923 TPIU-Lite
ROMTbl 0 [5]: FFF42000, CID: B105900D, PID: 101BB924 ETM-M3
Cortex-M3 identified.
2.以下为烧录操作
J-Link>loadbin /media/allen/CP/DisplayV1.05.bin, 0x8000000
Downloading file [/media/allen/CP/DisplayV1.05.bin]...
**************************
WARNING: CPU is running at low speed (8018 kHz).
**************************
Comparing flash [100%] Done.
Erasing flash [100%] Done.
Programming flash [100%] Done.
Verifying flash [100%] Done.
J-Link: Flash download: Flash programming performed for 1 range (36864 bytes)
J-Link: Flash download: Total time needed: 1.169s (Prepare: 0.062s, Compare: 0.012s, Erase: 0.000s, Program: 1.085s, Verify: 0.005s, Restore: 0.003s)
O.K.
J-Link>
3.以下为jlink的help,可以查看所有指令及格式(可以忽略)
J-Link>?
Available commands are:
----------------------
f Firmware info
h halt
g go
Sleep Waits the given time (in milliseconds). Syntax: Sleep
s Single step the target chip
st Show hardware status
hwinfo Show hardware info
mem Read memory. Syntax: mem [
mem8 Read 8-bit items. Syntax: mem8 [
mem16 Read 16-bit items. Syntax: mem16 [
mem32 Read 32-bit items. Syntax: mem32 [
w1 Write 8-bit items. Syntax: w1 [
w2 Write 16-bit items. Syntax: w2 [
w4 Write 32-bit items. Syntax: w4 [
erase Erase internal flash of selected device. Syntax: Erase
wm Write test words. Syntax: wm
is Identify length of scan chain select register
ms Measure length of scan chain. Syntax: ms
mr Measure RTCK react time. Syntax: mr
q Quit
qc Close JLink connection and quit
r Reset target (RESET)
rx Reset target (RESET). Syntax: rx
RSetType Set the current reset type. Syntax: RSetType
Regs Display contents of registers
wreg Write register. Syntax: wreg
moe Shows mode-of-entry, meaning: Reason why CPU is halted
SetBP Set breakpoint. Syntax: SetBP
SetWP Set Watchpoint. Syntax:
ClrBP Clear breakpoint. Syntax: ClrBP
ClrWP Clear watchpoint. Syntax: ClrWP
VCatch Write vector catch. Syntax: VCatch
loadfile Load data file into target memory.
Syntax: loadfile
Supported extensions: *.bin, *.mot, *.hex, *.srec
loadbin Load *.bin file into target memory.
Syntax: loadbin
savebin Saves target memory into binary file.
Syntax: savebin
verifybin Verfies if the specified binary is already in the target memory at the specified address.
Syntax: verifybin
SetPC Set the PC to specified value. Syntax: SetPC
le Change to little endian mode
be Change to big endian mode
log Enables log to file. Syntax: log
unlock Unlocks a device. Syntax: unlock
Type unlock without
of supported device names.
nRESET has to be connected
term Test command to visualize _ReportOutf output from the target device,
using DCC (SEGGER DCC handler running on target)
ReadAP Reads a CoreSight AP register.
Note: First read returns the data of the previous read.
An additional read of DP reg 3 is necessary to get the data.
ReadDP Reads a CoreSight DP register.
Note: For SWD data is returned immediately.
For JTAG the data of the previous read is returned.
An additional read of DP reg 3 is necessary to get the data.
WriteAP Writes a CoreSight AP register.
WriteDP Writes a CoreSight DP register.
SWDSelect Selects SWD as interface and outputs
the JTAG -> SWD switching sequence.
SWDReadAP Reads a CoreSight AP register via SWD.
Note: First read returns the data of the previous read.
An additional read of DP reg 3 is necessary to get the data.
SWDReadDP Reads a CoreSight DP register via SWD.
Note: Correct data is returned immediately.
SWDWriteAP Writes a CoreSight AP register via SWD.
SWDWriteDP Writes a CoreSight DP register via SWD.
Device Selects a specific device J-Link shall connect to
and performs a reconnect.
In most cases explicit selection of the device is not necessary.
Selecting a device enables the user to make use of the J-Link
flash programming functionality as well as using unlimited
breakpoints in flash memory.
For some devices explicit device selection is mandatory in order
to allow the DLL to perform special handling needed by the device.
ExpDevList Exports the device names from the DLL internal
device list to a text file
Syntax: ExpDevList
PowerTrace Perform power trace (not supported by all models)
Syntax: PowerTrace
1: Number of bytes transmitted on SWO
---- CP15 ------------
rce Read CP15. Syntax: rce
wce Write CP15. Syntax: wce
---- ICE -------------
Ice Show state of the embedded ice macrocell (ICE breaker)
ri Read Ice reg. Syntax: ri
wi Write Ice reg. Syntax: wi
---- TRACE -----------
TClear TRACE - Clear buffer
TSetSize TRACE - Set Size of trace buffer
TSetFormat TRACE - SetFormat
TSR TRACE - Show Regions (and analyze trace buffer)
TStart TRACE - Start
TStop TRACE - Stop
---- SWO -------------
SWOSpeed SWO - Show supported speeds
SWOStart SWO - Start
SWOStop SWO - Stop
SWOStat SWO - Display SWO status
SWORead SWO - Read and display SWO data
SWOShow SWO - Read and analyze SWO data
SWOFlush SWO - Flush data
SWOView SWO - View terminal data
---- PERIODIC --------
PERConf PERIODIC - Configure
PERStart PERIODIC - Start
PERStop PERIODIC - Stop
PERStat PERIODIC - Display status
PERRead PERIODIC - Read and display data
PERShow PERIODIC - Read and analyze data
---- File I/O --------
fwrite Write file to emulator
fread Read file from emulator
fshow Read and display file from emulator
fdelete Delete file on emulator
fsize Display size of file on emulator
flist List directory on emulator
SecureArea Creates/Removes secure area on probe
---- Test ------------
TestHaltGo Run go/halt 1000 times
TestStep Run step 1000 times
TestCSpeed Measure CPU speed.
Parameters: [
TestWSpeed Measure download speed into target memory.
Parameters: [
TestRSpeed Measure upload speed from target memory.
Parameters: [
TestNWSpeed Measure network download speed.
Parameters: [
TestNRSpeed Measure network upload speed.
Parameters: [
---- JTAG ------------
Config Set number of IR/DR bits before ARM device.
Syntax: Config
speed Set target interface speed. Syntax: speed
i Read JTAG Id (Host CPU)
wjc Write JTAG command (IR). Syntax: wjc (hex)
wjd Write JTAG data (DR). Syntax: wjd
RTAP Reset TAP Controller using state machine (111110)
wjraw Write Raw JTAG data. Syntax: wjraw
rt Reset TAP Controller (nTRST)
---- JTAG-Hardware ---
c00 Create clock with TDI = TMS = 0
c Clock
tck0 Clear TCK
tck1 Set TCK
0 Clear TDI
1 Set TDI
t0 Clear TMS
t1 Set TMS
trst0 Clear TRST
trst1 Set TRST
r0 Clear RESET
r1 Set RESET
---- Connection ------
usb Connect to J-Link via USB. Syntax: usb
ip Connect to J-Link ARM Pro or J-Link TCP/IP Server via TCP/IP.
Syntax: ip
---- Configuration ---
si Select target interface. Syntax: si
where
power Switch power supply for target. Syntax: power
where State is either On or Off. Example: power on perm
wconf Write configuration byte. Syntax: wconf
rconf Read configuration bytes. Syntax: rconf
license Shows a list of all available license commands
ipaddr Show/Assign IP address and subnetmask of/to the connected J-Link.
gwaddr Show/Assign network gateway address of/to the connected J-Link.
dnsaddr Show/Assign network DNS server address of/to the connected J-Link.
conf Show configuration of the connected J-Link.
ecp Enable the J-Link control panel.
calibrate Calibrate the target current measurement.
selemu Select a emulator to communicate with,
from a list of all emulators which are connected to the host
The interfaces to search on, can be specified
Syntax: selemu [
ShowEmuList Shows a list of all emulators which are connected to the host.
The interfaces to search on, can be specified.
Syntax: ShowEmuList [
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