About Ehill.16

Ehill.16 · 2021-02-27

I am using wake up PIN1 (PA0) to wake the STM32F746 from standby mode. I have PA0 connected to a push button with a pull down resistor. When first powered up the MCU goes into standby mode and stays in it until I press the button connected to PA0. T...

Ehill.16 · 2021-02-19

But it will wake up with an EXTI from the sleep mode. Any ideas?

Ehill.16 · 2021-02-17

I have removed the display on the DISCO board and I am just using a small OLED for a display. I have a couple of other things connected to the board. A TMP1075 EVM and a TMP390 EVM. I am measuring about 410 mA in run mode. When I invoke standby mode,...

Ehill.16 · 2020-11-19

Ehill.16 · 2020-10-21

But yet it is called for HAL_QSPI_Transmit_DMA function? Do I need to configure the autopolling with the QSPI_AutoPollingTypeDef structure for the callback to be called with the HAL_QSPI_Transmit function?

Ehill.16 · 2021-03-04

That was the issue. Thanks again.

Ehill.16 · 2021-03-02

Do I still need to check to see if the SB flag is reset ?

Ehill.16 · 2021-03-02

Thanks Peter. Will try this later. I'm sure this is the reason it keeps waking up without bringing the wakeup pin high.

Ehill.16 · 2021-02-17

Thanks JW!

Ehill.16 · 2021-02-17

I have read about the GPIO pins needing to be in a non floating state. So I have to set up every pin in this state!

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Wake up Pin from standby mode

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Re: Wake up Pin from standby mode

Re: Wake up Pin from standby mode

Re: Wake up Pin from standby mode

Re: STM32F746 DISCO and standby mode

Re: STM32F746 DISCO and standby mode