NUCLEO-G474RE BMP183 Output Problem

[fpiSTM]

Ok you use the STM32 core anyway your sketch is not correct. Try the code I've put above.

[MasterT]

It's always good idea to test SPI separately, w/o sensor connected. Try build-in the IDE loop back test:
_ File/Examples/SRM32duino_Examples/NoNReg/SPI_Loop

[enesert]

Ok you use the STM32 core anyway your sketch is not correct. Try the code I've put above.

I tried your sketch. It gave same output. Is there any possibility of a problem in library?

[enesert]

It's always good idea to test SPI separately, w/o sensor connected. Try build-in the IDE loop back test:
_ File/Examples/SRM32duino_Examples/NoNReg/SPI_Loop

It can pass the test. There is no problem.

[fpiSTM]

Ok you use the STM32 core anyway your sketch is not correct. Try the code I've put above.

I tried your sketch. It gave same output. Is there any possibility of a problem in library?

And you properly wire the sensor on pin D9, D11,D12 and D13 ?
If the SPI loop works so probably an issue with the Library. Maybe SPI clock speed. Seems the max frequency for this sensor is 8MHz as stated here:
https://github.com/adafruit/Adafruit_BM ... pp#L78-L83

but by default max SPI clock speed is set to 4 MHz so this should be correct.

[GonzoG]

It's always good idea to test SPI separately, w/o sensor connected. Try build-in the IDE loop back test:
_ File/Examples/SRM32duino_Examples/NoNReg/SPI_Loop

It can pass the test. There is no problem.

Did it pass test when connected to D14/D15 ??

[enesert]

Ok you use the STM32 core anyway your sketch is not correct. Try the code I've put above.

I tried your sketch. It gave same output. Is there any possibility of a problem in library?

And you properly wire the sensor on pin D9, D11,D12 and D13 ?
If the SPI loop works so probably an issue with the Library. Maybe SPI clock speed. Seems the max frequency for this sensor is 8MHz as stated here:
https://github.com/adafruit/Adafruit_BM ... pp#L78-L83

but by default max SPI clock speed is set to 4 MHz so this should be correct.

Yes i wired it like that. Aha yes i think its about frequency. I will check it and write here results.

[enesert]

It's always good idea to test SPI separately, w/o sensor connected. Try build-in the IDE loop back test:
_ File/Examples/SRM32duino_Examples/NoNReg/SPI_Loop

It can pass the test. There is no problem.

Did it pass test when connected to D14/D15 ??

Nope it passed D12 D11

[enesert]

I tried your sketch. It gave same output. Is there any possibility of a problem in library?

And you properly wire the sensor on pin D9, D11,D12 and D13 ?
If the SPI loop works so probably an issue with the Library. Maybe SPI clock speed. Seems the max frequency for this sensor is 8MHz as stated here:
https://github.com/adafruit/Adafruit_BM ... pp#L78-L83

but by default max SPI clock speed is set to 4 MHz so this should be correct.

Yes i wired it like that. Aha yes i think its about frequency. I will check it and write here results.

Why i cant change spi freq. How can i set to 8 mhz spi pins? I added this code to void setup:

Code: Select all

  SPI.begin();
  SPI.setClockDivider(6);
  

[MasterT]

Try:

Code: Select all

  // SPI.begin(CS_PIN);
  SPI.beginTransaction(CS_PIN, SPISettings(8000000, MSBFIRST, SPI_MODE0));