Using PB7/6 port of STMF051
Posted on July 15, 2016 at 02:51Hi,I configured USART1 to PA9/10. And I want to use PB6/7 to GPIO.First I initial the USART1 function(using PA9/10), and works well(putchar works well). But when I initial PB6/7 to GPIO by GPIO_Init() function, USART1...