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conner · 2016-12-12

Posted on December 12, 2016 at 17:26ST Community,I have been trying to get I2C communication working on my STM32L073RZ Nucleo board for some time now, but to no avail. After doing a bit of stepping through the code, it looks as though a HAL_TIMEOUT ...

conner · 2016-09-22

Posted on September 22, 2016 at 20:33I have the development board for the STM32L073 and have been testing the functionality of the board regarding waking up from STANDBY mode. I have been able to get it to wakeup only use the IWTG funcitonality. I h...

conner · 2016-12-13

Posted on December 13, 2016 at 14:53Thanks for the response.It seems that the problem was with the hardware I was connecting the I2C lines to. Even after adding a decent pullup (4.7K resistance) to both the SDA and SCL lines, after the external hard...

conner · 2016-10-03

Posted on October 03, 2016 at 17:32--------------!!!!!UPDATE WITH FIX!!!!!------------------ So I think the issue I was having was related to having the RVU and PVU flags set in the IWDG Status Register before going into STANDBY mode. For some reaso...

conner · 2016-09-27

Posted on September 27, 2016 at 16:20It also looks like the MX_IWDG_Init() function blocks System Wake-up 1 from working properly as well. As long as the IWDG peripheral is initialized, both the RTC Wake-up and GPIO Wake-up functionalities do not wo...

conner · 2016-09-26

Posted on September 26, 2016 at 22:45Thanks for the initial help Syrine. I have done some further debugging into this issue and it seems that something in the generated code for the MX_IWDG_Init(); function is causing issues with the RTC waking up f...

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I2C Timeout waiting for TXIS flag

STM32L073: RTC Wakeup event not exiting STANDBY mode

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Re: STM32L073: RTC Wakeup event not exiting STANDBY mode

Re: STM32L073: RTC Wakeup event not exiting STANDBY mode