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STM32F107 I2C2 not clocking the SCL line.

Is there an alternate function that needs to be disabled for this to work by default? The datasheet footnote says "SPI2/I2S2 and I2C2 are not available when the Ethernet is being used." Is the Ethernet enabled by default and how do I disable it or pr...

JMara.5 by • Associate II
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Resolved! Is it possible to interrupt the middle of a += operation?

I think I have proven now through tests that the and is clearly "YES". But, I'll still put this is as some awareness raising anyway. It might not be immediately obvious that an interrupted task can override the value of an interrupting task. Also, I'...

DJC by • Senior
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4 devices on I2C ?

Dear Members,I have 4 devices on I2C 1, 2LCD s and 2 Sensors,I tried to init 16x2 I2C LCD, it seems that it blocked all the process,Is it because of 3.3V databus ? Does it need 5V databus?HAL_StatusTypeDef LCD_SendInternal(uint8_t lcd_addr, uint8_t d...

CAN TxMailbox pending

Hi ,I am using 2 F103rb NUCLEO. My code works fine in LoopBack modeBut when I use in normal mode, the TransmitMailbox status is pending I cannot receive on the other boardThe transceiver I use is TJA1050I do put resistor between CAN H and L , 120ohmM...

Xzhan.2 by • Associate II
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STM32G070RB8TX- Board Malfunctioning

I am using STMG32G070RB8TX for Programming the device is detected in TS link Utility but when i compile the compiler throws an error below is the description of the error.Error in final launch sequence:Error in initializing ST-LINK device.Reason: (25...

SBHAR.16 by • Associate
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Issues migrating from FP 1.3.2 to 1.4.0

Hello thereI started developing my custom boards (with H743 and H750) using Cube FP 1.3.0 and then 1.3.2. Now I have the new revision for both H7 so I've updated CubeMX to 5.2.1 and FP to 1.4.0 and now I've got a lot of troubles:1) USB MSC stoped wo...

Peaga by • Senior
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I am having problems with B_L475e-IOT01A and the wifi

I have tried using the client demo program to try to connect to my android server. I can tan an android phone, setup as a tcp client and talk to the tcp server without issue. When i try the demo board it cannot obtain an ip address. I have used all t...

PHedl by • Associate
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