stm32中printf整形和浮点型会进入硬件错误中断

printf("%d,%lf",i+1,0.2);这样用，会进入硬件错误中断函数 printf("%d,%f,%f",i+1,0.2,0.3);这样也会.net double dbl=0.2;调试 printf("%f",dbl);也不行blog printf("%5f",dbl);也不行get   连着打印两个float或者double型变量就能够printf("%f%f",dbl,dbl2);

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