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RT-Thread uses arm_math

2022-08-07 23:51:00 【YAN_KEEE】

Test platform: STM32F401CCU6
After creating the project, there is a math library in the project directory
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ARM_MATH_CM4__TARGET_FPU_VFP__FPU_PRESENT=1U

After the update, if __FPU_PRESENT=1 is still defined, a lot of warnings will be reported

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arm_math.h, if you don't have it, download it here

Link: https://pan.baidu.com/s/14BVOLcQsga9y6z6IMRqWGw?pwd=r4clExtraction code: r4cl

#include #include "arm_math.h"int main(void){rt_kprintf("test:%.2f\r\n",arm_sin_f32(30*PI/180));return RT_EOK;}

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