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MBoren · 2021-09-21

STM32F405 using STLIBF4 v1.4.0Near the beginning of my code, I enable the windowed watchdog withWWDG_Enable() Shortly thereafter, I have a conditional block that executes only if the windowed watchdog is enabled, i.e.if ((WWDG->CR & WWDG_CR_WDGA) != ...

MBoren · 2019-09-19

I am attempting to set the output states of an L9825 using its SPI interface, but no matter what byte is transmitted, the returned diagnostic byte is 0x88 and the output state is unaltered.clock frequency : 1 MHzclock polarity: lowclock phase: data c...

MBoren · 2021-09-24

Great. Thank you for your patience. That should be enough information for me develop a solution.

MBoren · 2021-09-24

Thank you for your clarification. It makes sense that the peripheral registers would not be available before the peripheral is enabled, but this was not something that I came across when searching the documentation. Where is this stated?

MBoren · 2021-09-23

I have come up with a code example that could illustrate the above theory:int main(void) { int idx = 0; WWDG->CR = 0xDF; // this should set the WDGA bit and set the counter to 0x5F if ((WWDG->CR & 0x80) != 0) { idx += 1; ...

MBoren · 2021-09-23

I understand. Unfortunately, the code base is large and complex and I am limited in what I can provide outside my organization.Any information you can provide of a general nature would still be of assistance. Are there any known circumstances under w...

MBoren · 2021-09-22

// set up and enable windowed watchdog uint32_t tmpreg = 0; tmpreg = WWDG->CFR & 0xFFFFFF80; tmpreg |= 0x00000043 & 0x0000007F; WWDG->CFR = tmpreg; // set window value WWDG->CR = 0x0000007F & 0x0000007F; // set max counter value WWDG->CR = 0x...

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WDGA bit not immediately set after WWDG_Enable().

L9825 SPI Control Not Functioning

Re: WDGA bit not immediately set after WWDG_Enable().

Re: WDGA bit not immediately set after WWDG_Enable().

Re: WDGA bit not immediately set after WWDG_Enable().

Re: WDGA bit not immediately set after WWDG_Enable().

Re: WDGA bit not immediately set after WWDG_Enable().