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Riksu9000
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Riksu9000:doc-reorganization
Jul 21, 2022
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Docs reorganization #1236
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| # Flashing the firmware with GDB and Black Magic Probe (BMP) | ||
|
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| Enter the following command into GDB: | ||
|
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| ``` | ||
| target extended-remote /dev/ttyACM0 | ||
| monitor swdp_scan | ||
| attach 1 | ||
| file ./pinetime-app-full.hex | ||
| load | ||
| run | ||
| ``` | ||
|
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| Example : | ||
| ``` | ||
| $ /home/jf/nrf52/gcc-arm-none-eabi-8-2019-q3-update/bin/arm-none-eabi-gdb | ||
|
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| (gdb) target extended-remote /dev/ttyACM0 | ||
| Remote debugging using /dev/ttyACM0 | ||
| (gdb) monitor swdp_scan | ||
| Target voltage: ABSENT! | ||
| Available Targets: | ||
| No. Att Driver | ||
| 1 Nordic nRF52 M3/M4 | ||
| 2 Nordic nRF52 Access Port | ||
|
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| (gdb) attach 1 | ||
| Attaching to Remote target | ||
| warning: No executable has been specified and target does not support | ||
| determining executable automatically. Try using the "file" command. | ||
| 0xfffffffe in ?? () | ||
| (gdb) file ./pinetime-app-full.hex | ||
| A program is being debugged already. | ||
| Are you sure you want to change the file? (y or n) y | ||
| Reading symbols from ./pinetime-app-full.hex... | ||
| (No debugging symbols found in ./pinetime-app-full.hex) | ||
| (gdb) load | ||
| Loading section .sec1, size 0xb00 lma 0x0 | ||
| Loading section .sec2, size 0xf000 lma 0x1000 | ||
| Loading section .sec3, size 0x10000 lma 0x10000 | ||
| Loading section .sec4, size 0x5150 lma 0x20000 | ||
| Loading section .sec5, size 0xa000 lma 0x26000 | ||
| Loading section .sec6, size 0x10000 lma 0x30000 | ||
| Loading section .sec7, size 0xdf08 lma 0x40000 | ||
| Start address 0x0, load size 314200 | ||
| Transfer rate: 45 KB/sec, 969 bytes/write. | ||
| ``` | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| # Flashing the firmware with JLink | ||
|
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| Start JLinkExe: | ||
| ``` | ||
| $ /opt/SEGGER/JLink/JLinkExe -device nrf52 -if swd -speed 4000 -autoconnect 1 | ||
| SEGGER J-Link Commander V6.70d (Compiled Apr 16 2020 17:59:37) | ||
| DLL version V6.70d, compiled Apr 16 2020 17:59:25 | ||
|
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| Connecting to J-Link via USB...O.K. | ||
| Firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Mar 17 2020 14:43:00 | ||
| Hardware version: V1.00 | ||
| S/N: 682579153 | ||
| License(s): RDI, FlashBP, FlashDL, JFlash, GDB | ||
| VTref=3.300V | ||
| Device "NRF52" selected. | ||
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| Connecting to target via SWD | ||
| InitTarget() start | ||
| InitTarget() end | ||
| Found SW-DP with ID 0x2BA01477 | ||
| DPIDR: 0x2BA01477 | ||
| Scanning AP map to find all available APs | ||
| AP[2]: Stopped AP scan as end of AP map has been reached | ||
| AP[0]: AHB-AP (IDR: 0x24770011) | ||
| AP[1]: JTAG-AP (IDR: 0x02880000) | ||
| Iterating through AP map to find AHB-AP to use | ||
| AP[0]: Core found | ||
| AP[0]: AHB-AP ROM base: 0xE00FF000 | ||
| CPUID register: 0x410FC241. Implementer code: 0x41 (ARM) | ||
| Found Cortex-M4 r0p1, Little endian. | ||
| FPUnit: 6 code (BP) slots and 2 literal slots | ||
| CoreSight components: | ||
| ROMTbl[0] @ E00FF000 | ||
| ROMTbl[0][0]: E000E000, CID: B105E00D, PID: 000BB00C SCS-M7 | ||
| ROMTbl[0][1]: E0001000, CID: B105E00D, PID: 003BB002 DWT | ||
| ROMTbl[0][2]: E0002000, CID: B105E00D, PID: 002BB003 FPB | ||
| ROMTbl[0][3]: E0000000, CID: B105E00D, PID: 003BB001 ITM | ||
| ROMTbl[0][4]: E0040000, CID: B105900D, PID: 000BB9A1 TPIU | ||
| ROMTbl[0][5]: E0041000, CID: B105900D, PID: 000BB925 ETM | ||
| Cortex-M4 identified. | ||
| J-Link> | ||
| ``` | ||
|
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| Use the command loadfile to program the .hex file: | ||
| ``` | ||
| J-Link>loadfile pinetime-app.hex | ||
| Downloading file [pinetime-app.hex]... | ||
| Comparing flash [100%] Done. | ||
| Erasing flash [100%] Done. | ||
| Programming flash [100%] Done. | ||
| Verifying flash [100%] Done. | ||
| J-Link: Flash download: Bank 0 @ 0x00000000: 1 range affected (4096 bytes) | ||
| J-Link: Flash download: Total time needed: 0.322s (Prepare: 0.043s, Compare: 0.202s, Erase: 0.003s, Program: 0.064s, Verify: 0.000s, Restore: 0.007s) | ||
| O.K. | ||
| ``` | ||
|
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| Then reset (r) and start (g) the CPU: | ||
| ``` | ||
| J-Link>r | ||
| Reset delay: 0 ms | ||
| Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit. | ||
| Reset: Halt core after reset via DEMCR.VC_CORERESET. | ||
| Reset: Reset device via AIRCR.SYSRESETREQ. | ||
| J-Link>g | ||
| ``` | ||
|
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| # JLink RTT | ||
| RTT is a feature from Segger's JLink devices that allows bidirectional communication between the debugger and the target. This feature can be used to get the logs from the embedded software on the development computer. | ||
|
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| - Program the MCU with the code (see above) | ||
| - Start JLinkExe | ||
|
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| ``` | ||
| $ JLinkExe -device nrf52 -if swd -speed 4000 -autoconnect 1 | ||
| ``` | ||
|
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| Start JLinkRTTClient | ||
| ``` | ||
| $ JLinkRTTClient | ||
| ``` | ||
|
|
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