sprintf doesnt work for floating numbers in KEIL

Question

Hi, i am very new to nrf family. when i use sprintf function with %d specifier, it works fine. but if i set it to %2.1f or anything with "f" included doesnt work and program crushes. How can i fix this in keil uvision ?

Mehmet Nuri · Accepted Answer

It turns out like you said. I am using 52810 but the example i modified was for 52832. Since 52832 has hardware fpu, flashing the software to 52810 crushed the code. I changed targed device and set iram1 and iram2. Problem solved. I can now use float variables. Thanks for your help. I realized my mistake when i go into build settings of your example. Thanks again.

sprintf doesnt work for floating numbers in KEIL

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