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Float value print using printf using stcubeMx generated code

Question asked by HARI krishna on Jun 1, 2017
Latest reply on Jun 1, 2017 by Clive One

Hi all,

I am using stm32f030RC controller,for my application need to print the float values on the hyperterminal.Printf is working fine for text,charters & interger values.i am using stm32cubemx generated code & atollic true studio .

Here is code what i done for printf:


int _write(int32_t file, uint8_t *ptr, int32_t len)
int n;
/* Implement your write code here, this is used by puts and printf for example */
return len;



after googling tried to change the build settings but it was not worked for me.