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After changing from STM32H753 Y to VI, an error occurred.

Ekim.1
Associate II

‎2020-03-08 05:34 PM

I compile using IAR Embedded Workbench, and download the code.

Recently, the chip was changed from STM32H753 Y to VI.

I tried to insert the code used in the Y version into the VI as it is, and I issued the following warning in IAR.

Mon Mar 09, 2020 09:22:50: Warning: There are warnings during download, see Log Window

Mon Mar 09, 2020 09:22:50: Loaded debugee: D:2. Project2. HURm7_codeEWARMHUR_IOExeHUR_IO.out

Mon Mar 09, 2020 09:22:50: Hardware reset with strategy 0 was performed

Mon Mar 09, 2020 09:22:50: Target reset

Mon Mar 09, 2020 09:22:50: There was 1 warning during the initialization of the debugging session.

It succeeded in downloading the code using STM32 Utility instead of IAR, but it did not work normally.

I used the oscilloscope to confirm that the Timer interrupt is operating normally.

I was working on debugs to solve this problem when I found out that my code was held in HardFault_Handler.

Thank you in advance.

Regards,

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2 REPLIES 2
berendi
Principal

‎2020-03-08 10:25 PM

> Warning: There are warnings during download, see Log Window

and what was the actual warning in the log window?

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Ekim.1
Associate II
In response to berendi

‎2020-03-08 11:01 PM

This is all about the log window.

Mon Mar 09, 2020 15:00:01: IAR Embedded Workbench 8.30.1 (C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\bin\armproc.dll) 

Mon Mar 09, 2020 15:00:02: Loaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\config\debugger\ST\STM32H7xx.dmac 

Mon Mar 09, 2020 15:00:02: Loaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\config\flashloader\ST\FlashSTM32H7xxx.mac 

Mon Mar 09, 2020 15:00:02: Connected to ST-Link/V2 [SWD mode 1800 kHz] [Access port: 0] Firmware V2.J34.S7 (Probe no: 21442487) 

Mon Mar 09, 2020 15:00:02: Initial reset was performed 

Mon Mar 09, 2020 15:00:02: 770 bytes downloaded and verified (8.00 Kbytes/sec) 

Mon Mar 09, 2020 15:00:02: Loaded debugee: C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\config\flashloader\ST\FlashSTM32H7xxx_512kB.out 

Mon Mar 09, 2020 15:00:02: Target reset 

Mon Mar 09, 2020 15:00:04: Unloaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\config\flashloader\ST\FlashSTM32H7xxx.mac 

Mon Mar 09, 2020 15:00:04: Downloaded D:\2. project\2. HUR\m7_code\EWARM\HUR_IO\Exe\HUR_IO.out to flash memory. 

Mon Mar 09, 2020 15:00:04: Hardware reset with strategy 2 was performed 

Mon Mar 09, 2020 15:00:05: 55540 bytes downloaded into FLASH and verified (18.56 Kbytes/sec) 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E0, target byte: 0xFF, byte in file: 0x16 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E1, target byte: 0xFF, byte in file: 0x14 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E2, target byte: 0xFF, byte in file: 0x00 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E3, target byte: 0xFF, byte in file: 0x00 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E4, target byte: 0xFF, byte in file: 0x20 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E5, target byte: 0xFF, byte in file: 0x00 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E6, target byte: 0xFF, byte in file: 0x01 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E7, target byte: 0xFF, byte in file: 0x20 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E8, target byte: 0xFF, byte in file: 0x02 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8E9, target byte: 0xFF, byte in file: 0xC5 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8EA, target byte: 0xFF, byte in file: 0x26 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8EB, target byte: 0xFF, byte in file: 0x10 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8EC, target byte: 0xFF, byte in file: 0x08 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8ED, target byte: 0xFF, byte in file: 0x2C 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8EE, target byte: 0xFF, byte in file: 0x43 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8EF, target byte: 0xFF, byte in file: 0xB3 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8F0, target byte: 0xFF, byte in file: 0x26 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8F1, target byte: 0xFF, byte in file: 0x3C 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8F2, target byte: 0xFF, byte in file: 0x21 

Mon Mar 09, 2020 15:00:05: Warning:  

Mon Mar 09, 2020 15:00:05: Verify error at address 0x0810D8F3, target byte: 0xFF, byte in file: 0x01 

Mon Mar 09, 2020 15:00:08: Warning: There were warnings during download, see Log Window 

Mon Mar 09, 2020 15:00:08: Loaded debugee: D:\2. project\2. HUR\m7_code\EWARM\HUR_IO\Exe\HUR_IO.out 

Mon Mar 09, 2020 15:00:08: Hardware reset with strategy 0 was performed 

Mon Mar 09, 2020 15:00:08: Target reset 

Mon Mar 09, 2020 15:00:08: There was 1 warning during the initialization of the debugging session. 

 Mon Mar 09, 2020 15:02:08: HardFault exception. 

Mon Mar 09, 2020 15:02:08: The processor has escalated a configurable-priority exception to HardFault. 

Mon Mar 09, 2020 15:02:08:  A precise data access error has occurred (CFSR.PRECISERR, BFAR) at data address 0x1fffff5a. 

Mon Mar 09, 2020 15:02:08:  

Mon Mar 09, 2020 15:02:08: Exception occured at PC = 0x8102462, LR = 0x810d5f1 

Mon Mar 09, 2020 15:02:08:  

Mon Mar 09, 2020 15:02:08: See the call stack for more information. 

Mon Mar 09, 2020 15:02:08: IAR Embedded Workbench 8.30.1 (C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.1\arm\bin\armproc.dll) 

And I found out one more thing.

When all the codes related to USART_Tx are removed, the code was not held in HardFault_Handler, although the IAR sends a warning message.

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