'잡동사니'에 해당되는 글 13451건

  1. 2021.07.04 휴양!
  2. 2021.07.03 을라들 규강검진
  3. 2021.07.02 stm32f4 otg update bin file
  4. 2021.07.02 stm32cubeide generate bin
  5. 2021.07.02 stm32cubeide gdb external flash
  6. 2021.07.02 TouchGFX on STM32F746G-DISCO 4
  7. 2021.07.02 st-link stm32 option bytes
  8. 2021.07.02 st-link util external module?
  9. 2021.07.02 STM32 RDP(ReaD Protection)
  10. 2021.07.02 cortex-M7 우와.. -_-
개소리 왈왈/육아관련 주저리2021. 7. 4. 20:50

휴양!

바다!

일/월 1박 2일로 놀러옴

저작자표시 (새창열림)

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개소리 왈왈/육아관련 주저리2021. 7. 3. 22:32

을라들 규강검진

첫애가 아빠 정말 좋아하니요 소리들으니

먼가 찡하니

저작자표시 (새창열림)

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embeded/Cortex-M7 STM2021. 7. 2. 19:37

stm32f4 otg update bin file

 

AN3990

[링크 : https://www.st.com/resource/en/application_note/dm00039672-upgrading-stm32f4discovery-board-firmware-using-a-usb-key-stmicroelectronics.pdf]

 

um1021

[링크 : https://www.st.com/resource/en/user_manual/cd00289278-stm32f105xx-stm32f107xx-stm32f2xx-and-stm32f4xx-usb-onthego-host-and-device-library-stmicroelectronics.pdf]

 

저작자표시 (새창열림)

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embeded/Cortex-M7 STM2021. 7. 2. 19:34

stm32cubeide generate bin

cubeide로 빌드하는데 hex와 elf는 나오는데 bin은 안나와서 검색!

겁나~ 구성탱이에 있네 -_-

Convert to binary file (-O binary)를 체크해주면 된다. 기본값은 꺼져 있는 듯?

 

[링크 : https://blog.naver.com/chandong83/221751192307]

저작자표시 (새창열림)

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embeded/Cortex-M7 STM2021. 7. 2. 16:47

stm32cubeide gdb external flash

 

1.1 GDB server start-up options
--ext-memory-loaders
Provides the list of the available external memory loaders.

-el <file_path>, --extload <file_path>
Selects a custom external memory-loader.

--external-init
Runs Init() from external memory loader after reset to make external memory accessible without need for
application software to set up the access to memory-mapped external memory.
[This option requires that option -el <file_path>, --extload <file_path> is used also.]


2.3.1 Loading program to external memory
When a program must be loaded to an external memory, the option --extload <file_path> must be used.
External memory loader files are delivered for most available STM32 Evaluation and Discovery boards containing
external memory. To list the available loader files, use the --ext-memory-loaders option.
The STM32CubeProgrammer software description user manual (UM2237) contains detailed information on how
to use external Flash loader programs and develop customized loaders for external memory. The user manual is
available from the STM32CubeProg webpage on www.st.com.

2.3.2 Memory read/write to external memory
To make external memory accessible for read and write by the debugger, use the --external-init option
together with external memory loader --extload <file_path> option. When --external-init is used the
Init() function in the external memory loader is run by the ST-LINK GDB server after reset. This makes
external memory accessible without any need for application software to set up the device for external memory
access. The external memory must be memory mapped and directly accessed because normal memory read/
write is used by gdb.
Note: When using the --external-init option with the ST-LINK GDB server, the stack required by the Init()
function is limited to 1024 bytes of stack instead of 400 bytes in ST-LINK GDB server v5.4.0.

[링크 : https://www.st.com/resource/en/user_manual/dm00613038-stm32cubeide-stlink-gdb-server-stmicroelectronics.pdf]

저작자표시 (새창열림)

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embeded/Cortex-M7 STM2021. 7. 2. 16:31

TouchGFX on STM32F746G-DISCO

STM32F746NGHx_FLASH.ld

/* Specify the memory areas */
MEMORY
{
FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 1024K
RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 320K
ITCMRAM (xrw)      : ORIGIN = 0x00000000, LENGTH = 16K
QSPI (rx)         : ORIGIN = 0x90000000, LENGTH = 16M
}

  .ARM.attributes 0 : { *(.ARM.attributes) }
  ExtFlashSection : { *(ExtFlashSection) } >QSPI
}

 

#include <touchgfx/hal/Config.hpp>

LOCATION_EXTFLASH_PRAGMA
KEEP extern const unsigned char _control_center_button_pressed[] LOCATION_EXTFLASH_ATTRIBUTE = { // 191x191 RGB565 pixels.
// ...
};

 

#elif defined(__ARMCC_VERSION)
#define LOCATION_EXTFLASH_PRAGMA
#define LOCATION_EXTFLASH_ATTRIBUTE __attribute__ ((section ("ExtFlashSection"))) __attribute__ ((aligned(4)))

#elif defined __ICCARM__
#define LOCATION_EXTFLASH_PRAGMA _Pragma("location=\"ExtFlashSection\"")

 

내장 플래시

 

외부 QSPI 플래시

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embeded/Cortex-M7 STM2021. 7. 2. 15:23

st-link stm32 option bytes

 

 

 

RDP가 이곳에!?

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embeded/Cortex-M7 STM2021. 7. 2. 15:22

st-link util external module?

 

 

 

 

 

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embeded/Cortex-M3 STM2021. 7. 2. 11:07

STM32 RDP(ReaD Protection)

AVR의 fuse bit 같은 녀석

 

Level 0: no read protection
Level 1: read protection enabled
Level 2: debug/chip read protection disabled

[링크 : https://www.st.com/resource/en/reference_manual/DM00031020-.pdf]

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embeded/Cortex-M7 STM2021. 7. 2. 11:04

cortex-M7 우와.. -_-

DMIPS 값이 아주 넘사벽이네.. ㄷㄷ

L1 캐시의 유무도 클꺼고..

 

Characteristics
Performance Efficiency: 5.01 CoreMark/MHz* and 2.14/3.23 DMIPS/MHz**

[링크 : https://developer.arm.com/ip-products/processors/cortex-m/cortex-m7]

[링크 : https://yomi-tory.tistory.com/entry/그것을-알아보자-ARM-Cortex-M7]

 

Characteristics
Performance Efficiency: 3.42 CoreMark/MHz* and without FPU: 1.25 /1.52 /1.91 DMIPS/MHz**, with FPU: 1.27 /1.55 /1.95 DMIPS/MHz**

[링크 : https://developer.arm.com/ip-products/processors/cortex-m/cortex-m4]

[링크 : https://yomi-tory.tistory.com/entry/그것을-알아보자-ARM-Cortex-M4]

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