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[STM32H503] SPI1 does not send anything #2598

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fpistm opened this issue Dec 9, 2024 Discussed in #2595 · 0 comments · May be fixed by #2599
Open

[STM32H503] SPI1 does not send anything #2598

fpistm opened this issue Dec 9, 2024 Discussed in #2595 · 0 comments · May be fixed by #2599
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bug 🐛 Something isn't working
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2.10

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@fpistm
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fpistm commented Dec 9, 2024

Discussed in https://github.com/orgs/stm32duino/discussions/2595

Originally posted by smalcom December 9, 2024
Good day, everyone.

I'm trying to launch SPI1 under Arduino IDE. The transmission didn't work and I switched to direct control of the registers.

The problem is solved. By default, stm32duino sets the system clocking from PLL1P. And SPI1 cannot use this signal as a source. I switched SPI1 to clocking from PER_CK and everything worked.

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@fpistm fpistm added this to the 2.10 milestone Dec 9, 2024
@fpistm fpistm added the bug 🐛 Something isn't working label Dec 9, 2024
@fpistm fpistm changed the title [SOLVED] [STM32H503] SPI1 does not send anything [STM32H503] SPI1 does not send anything Dec 9, 2024
fpistm added a commit to fpistm/Arduino_Core_STM32 that referenced this issue Dec 9, 2024
@fpistm
fix(h5): review SPI input clock
f84a621 
Also prevent to use HSE as it is not operational
as oscillator. See Errata sheet.

Fixes stm32duino#2598

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>
@fpistm fpistm linked a pull request Dec 9, 2024 that will close this issue
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bug 🐛 Something isn't working
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STM32 core based on ST HAL
Status: To do
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2.10
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fix(h5): review SPI input clock fpistm/Arduino_Core_STM32
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