STM32,电路板,调度器以及RJ45电路分享
//(HAL_UART_Receive(&huart3, rx_float_data.byte, 4, 1000)==HAL_OK) { printf("rx_float_data.byte[0] = %.2x (addr: %#x)\n", rx_float
//(HAL_UART_Receive(&huart3, rx_float_data.byte, 4, 1000)==HAL_OK) { printf("rx_float_data.byte[0] = %.2x (addr: %#x)\n", rx_float