Question about the LED of STM32F407
This is my code.GPIO_PinState boButton_state ;printf (" Hello �?� Cruel �?� World \n"); while (1){boButton_state = HAL_GPIO_ReadPin ( B1_GPIO_Port , B1_Pin ); HAL_GPIO_WritePin ( LD6_GPIO_Port , LD6_Pin , boButton_state );HAL_GPIO_TogglePin ( LD3_GPI...