STM32F4 USART Functions

Some useful functions to send data…

void putchar(USART_TypeDef* myUSART, uint32_t data)
myUSART->DR = (char)data;
while(((myUSART->SR >> 6) & 0x01) == 0);

void putstr(USART_TypeDef* myUSART, char *data)


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2 responses to “STM32F4 USART Functions”

  1. bluehash says :

    Hello, I’m here because one of our forum members posted your link in our STM32 forum( ). You are welcome to join us and be a part of our community.

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