Hi,
Yesteday, I test BMP280 pressure and temp data with COINES/APP2.0/BMP280 shuttle, haven't find this issue.
From your code and log, BMP280 configed in Force mode, before read temp/press register data, there 5x2ms round read bmp280_get_status(), your sample interval nearly 5sec.
One suggestion, in Force mode, make 5x100ms round read bmp280_get_status().
Another suggestion, try to use Normal mode to get press/temp data, and log data as API examples.
Wait for your feedback!
Best regards.
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