About SGAUR.1

SGAUR.1 · 2023-07-13

Hello,I have second stage bootloader in place and want to change RDP level from it (0 to 1 and roll back when doing firmware upgrade).However, the problem is, once RDP level is changed to 1, bootloader is not able to change it back to 0. I've to chan...

SGAUR.1 · 2023-07-12

Hello All,I am working on a system and my firmware consists of a boot-loader (Second-Stage Boot Loader) and application. Boot-loader is occupying sector 0-3 and Application lies in sector 4 to sector 11 of micro-controller flash (STM32F767).Problem s...

SGAUR.1 · 2023-02-10

I'm using I2C2 engine of the STM32F767ZI MCU on PF0 & PF1 pins as master to communicate with 4 slaves at 75khz. The operation is not using Interrupt on tx/rx or DMA and with FreeRTOS environmentSCL and SDA are pulled up on board with 4.99K.The pollin...

SGAUR.1 · 2023-07-25

Hello A_Major,I got some pointers but haven't reached to a working solution yet.We need to compile code using -fPIC flag in compile settings (i.e. Position independent code). This will generate code with relative addressing.There are other settings/m...

SGAUR.1 · 2023-07-19

Hello Tesla,I tried your previous suggestion : and looks like this is just not working."Use a symbol? g_pfnVectors ?? What ST should have done since Day-Zero..extern uint32_t *g_pfnVectors;SCB->VTOR = (uint32_t)(&g_pfnVectors);"The problem is, in lin...

SGAUR.1 · 2023-07-19

Hello A_Major,I'm facing exact same issue, did you find solution for it ?Shriram

SGAUR.1 · 2023-07-18

Pavel,You were right, RDP level 1 is not affecting writing flash from second stage bootloader. I was able to get it working.Differences :Previous set up :Bootloader code at power on checks for RDP level - if RDP is not set, set it to level 1program b...

SGAUR.1 · 2023-07-17

Pavel,Flash writing via custom boot-loader is not working if RDP is enabled (level 1 in my case), I tried this.if you're talking about on-chip-system-bootloader, then yes, it's possible via that route. But this is not possible in my case due to custo...

User statistics

User Activity

STM32F767 Change RDP level from second stage bootloader

STM32F767 IVT - relocation at run-time ?

STM32F767ZI : I2C2 hangs after few cycles of operation (With FreeRTOS)

Re: Generating Bin File for Dual Application Bootloader

Re: Generating Bin File for Dual Application Bootloader

Re: Generating Bin File for Dual Application Bootloader

Re: STM32F767 Change RDP level from second stage bootloader

Re: STM32F767 Change RDP level from second stage bootloader