About Dmitry Novikov

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 09:01Hello. I found something strange in my STM32F100RC controller. I made a clean project in latest CubeMX to show this error.When I try toswitch my MCU from full JTAG (reset state) to use only SWD pins the programmin...

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 10:54Update.The code generated by CubeMX calls __HAL_AFIO_REMAP_SWJ_NOJTAG() macro first, in HAL_Init(). But after this there is a calls to MX_SPI1_Init(), MX_I2C1_Init() and other peripherial remapping which uses CLEA...

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 09:14Hi! I found same error with reading different values from this register. I even tried to read/write values as pointer to (volatile uint32_t).https://community.st.com/0D50X00009XkYWnSAN

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 09:42 Ok, refers to RM0041: 7.4.2 AF remap and debug I/O configuration register (AFIO_MAPR) ... Bits 26:24 SWJ_CFG[2:0]: Serial wire JTAG configuration These bits are write-only (when read, the value is und...

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 09:22Hi, I have the same error and found 3 another threads with this. Looks like there is error with writing to AFIO->MAPR register.https://community.st.com/0D50X00009XkYWnSAN

Dmitry Novikov · 2016-12-21

Posted on December 21, 2016 at 09:20Hi, I have same error with F100 MCU.https://community.st.com/0D50X00009XkYWnSAN

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