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kriswiner / IIS3DWB

Arduino sketches for ST's IIS3DWB vibration analyzer accelerometer
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Clarification needed #2

Closed rajib-promethean closed 3 years ago

rajib-promethean commented 3 years ago

Hi,

Thank you for creating such useful boards and firmware. I wanted to clarify if you are using the MX25L12835F memory chip for the IIS3dwb FFT example code ? Is the extra flash memory really useful elsewhere other than data logging ?

kriswiner commented 3 years ago

The flash memory is not required to make use of the IIS3DWB or these particular sketches if that is what you are asking.

On Tue, May 18, 2021 at 12:41 PM rajib-promethean @.***> wrote:

Hi,

Thank you for creating such useful boards and firmware. I wanted to clarify if you are using the MX25L12835F memory chip for the IIS3dwb FFT example code ? Is the extra flash memory really useful elsewhere other than data logging ?

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rajib-promethean commented 3 years ago

Yes, Thank you. For programming the board also it's not required right ? I am planning to make a board without it and add a iis3dwb in place of that.

kriswiner commented 3 years ago

Which board? Or rather which MCU. In general an spi flash is not required but I would advise you keep it on the board since it is useful.

On Tue, May 18, 2021 at 12:52 PM rajib-promethean @.***> wrote:

Yes, Thank you. For programming the board also it's not required right ? I am planning to make a board without it and add a iis3dwb in place of that.

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rajib-promethean commented 3 years ago

Okay I will keep the flash, its very cheap anyways. I was talking about the Dragonfly board in which you have implemented the iis3dwbFFT code. Also dragonfly has 2 versions with different RAM and flash size. Is the lower version with 512 kb flash and 128 kb RAM enough for the iis3dwb FFT code ? Is the opensource board file works for both stm32l496rg and stm32l476 ?

kriswiner commented 3 years ago

I would use the L496, it has more SRAM for larger FFT. Both variants are supported.

On Tue, May 18, 2021 at 1:00 PM rajib-promethean @.***> wrote:

Okay I will keep the flash, its very cheap anyways. I was talking about the Dragonfly board in which you have implemented the iis3dwbFFT code. Also dragonfly has 2 versions with different RAM and flash size. Is the lower version with 512 kb flash and 128 kb RAM enough for the iis3dwb FFT code ? Is the opensource board file works for both stm32l496rg and stm32l476 ?

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rajib-promethean commented 3 years ago

Thank you very much Kris. Looking forward to using the boards.