STM32F407ZGT6 LQFP144 uart 打印输出

STM32F407ZGT6 +AX58100 ETHERCAT芯片软件，需要查看SSC 协议栈运行情况，UART输出状态信息。

STM32F407ZGT6 驱动库使用标准库，虽然老，但是够用。

1.STM32F407ZGT6 芯片情况

STM32F407ZGT6 作为AX58100 的主控

2.板子硬件

STM32F407ZGT6 +AX58100 ETHERCAT 从站开发板

2.0 硬件连接图

AX58100 核心板的UART 采用UART1 PB6 PB7 PIN
在这里插入图片描述

2.1 UART1配置

/*
*********************************************************************************************************
*	º¯ Êý Ãû: uart1_Init
*	¹¦ÄÜËµÃ÷: ´®¿Ú1³õÊ¼»¯º¯Êý
*	ÐÎ    ²Î: 1.bound£¨´®¿Ú²¨ÌØÂÊ£©
*	·µ »Ø Öµ: ÎÞ
*********************************************************************************************************
*/ 
void uart1_Init(u32 bound)
{//GPIO¶Ë¿ÚÉèÖÃGPIO_InitTypeDef GPIO_InitStructure;USART_InitTypeDef USART_InitStructure;RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE); //Ê¹ÄÜGPIOAÊ±ÖÓRCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);//Ê¹ÄÜUSART1Ê±ÖÓ
//	GPIO_PinAFConfig(GPIOB,GPIO_PinSource6,GPIO_AF_USART1);
//	void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)//   GPIO_PinRemapConfig(GPIO_Remap_USART1, ENABLE);//´®¿Ú1¶ÔÓ¦Òý½Å¸´ÓÃÓ³ÉäGPIO_PinAFConfig(GPIOB,GPIO_PinSource6,GPIO_AF_USART1); //GPIOA9¸´ÓÃÎªUSART1GPIO_PinAFConfig(GPIOB,GPIO_PinSource7,GPIO_AF_USART1); //GPIOA10¸´ÓÃÎªUSART1//USART1¶Ë¿ÚÅäÖÃGPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; //GPIOA9ÓëGPIOA10GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//¸´ÓÃ¹¦ÄÜGPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;	//ËÙ¶È50MHzGPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //ÍÆÍì¸´ÓÃÊä³öGPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //ÉÏÀGPIO_Init(GPIOB,&GPIO_InitStructure); //³õÊ¼»¯PA9£¬PA10//USART1 ³õÊ¼»¯ÉèÖÃUSART_InitStructure.USART_BaudRate = bound;//²¨ÌØÂÊÉèÖÃUSART_InitStructure.USART_WordLength = USART_WordLength_8b;//×Ö³¤Îª8Î»Êý¾Ý¸ñÊ½USART_InitStructure.USART_StopBits = USART_StopBits_1;//Ò»¸öÍ£Ö¹Î»USART_InitStructure.USART_Parity = USART_Parity_No;//ÎÞÆæÅ¼Ð£ÑéÎ»USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎÞÓ²¼þÊý¾ÝÁ÷¿ØÖÆUSART_InitStructure.USART_Mode =  USART_Mode_Tx;	//ÊÕ·¢Ä£Ê½USART_Init(USART1, &USART_InitStructure); //³õÊ¼»¯´®¿Ú1USART_Cmd(USART1, ENABLE);  //Ê¹ÄÜ´®¿Ú1 //USART_ClearFlag(USART1, USART_FLAG_TC);   //½â¾öµÚÒ»¸ö×Ö½Ú¶ªÊ§ÎÊÌâ,Èç¹ûµÚÒ»¸ö×Ö½Ú¶ªÊ§¿ÉÒÔ¼ÓÉÏÕâÐÐ
}

2.1.1 UART1调用代码

#include "Dbg.h"int main(void)
{SysTick_Init();  //Ê±ÖÓ³õÊ¼»¯uart1_Init(115200);
//	  LED_Init();      //LED³õÊ¼»¯
//	  KEY_Init();      //°´¼ü³õÊ¼»¯Println("³õÊ¼»¯Íê³É,´òÓ¡¿ª¹ØÎª%d\r\n",Print_Switch);printf("build time is %s %s\n\r",__DATE__,__TIME__);		/* ÅäÖÃÏµÍ³Ê±ÖÓµ½168MHz- ÇÐ»»Ê¹ÓÃHSE¡£- ´Ëº¯Êý»á¸üÐÂÈ«¾Ö±äÁ¿SystemCoreClock£¬²¢ÖØÐÂÅäÖÃHAL_InitTick¡£*///	SystemClock_Config();//	bsp_InitUart();		/* ³õÊ¼»¯´®¿Ú */GPIO_Config(); /* initialize the Hardware and the EtherCAT Slave Controller */HW_Init();MainInit();bRunApplication = TRUE;do{MainLoop();extern u32 SysTick_1ms ;printf("SysTick_1ms=%d\r\n",SysTick_1ms);} while (bRunApplication == TRUE);HW_Release();return 0;}