由于综合实验未给出一个固定的思路或者目标，这里仅写出部分内容，以便于期末复习背诵手写代码用。
自己写的func.h和func.c涵盖了期末所考手写代码部分，背诵过来就挂不了科。
// functions.h
#ifndef FUNCTIONS_H
#define FUNCTIONS_Hextern int choice;extern int hour, minute, second;
void USART_Config(void);
void GPIO_SETTING(void); //LED Setting
void NVIC_config(void);
void TIM3_config(void);
void NVIC_Conf(void);
void KEY_Conf(void); //pc5 key0
void EXTI_conf(void);
void Set485Direction(void);#endif
#include "func.h"
#include "STM32F10X.h"int choice = 0;void USART_Config(void)
{GPIO_InitTypeDef GPIO_InitStructure;USART_InitTypeDef USART_InitStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA9,TXGPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;GPIO_Init(GPIOA,&GPIO_InitStructure);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //PA10,RXGPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;GPIO_Init(GPIOA, &GPIO_InitStructure);USART_InitStructure.USART_BaudRate = 9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_Cmd(USART1, ENABLE); USART_Init(USART1, &USART_InitStructure);
}void GPIO_SETTING(void) //LED Setting
{GPIO_InitTypeDef gpio_init;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);gpio_init.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;gpio_init.GPIO_Mode = GPIO_Mode_Out_PP; gpio_init.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB,&gpio_init);
}void NVIC_config(void){NVIC_InitTypeDef NvicInit;NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);NvicInit.NVIC_IRQChannel = TIM3_IRQn;NvicInit.NVIC_IRQChannelPreemptionPriority = 0;NvicInit.NVIC_IRQChannelSubPriority = 0;NvicInit.NVIC_IRQChannelCmd = ENABLE;NVIC_Init(&NvicInit);
}void TIM3_config(void){TIM_TimeBaseInitTypeDef TIM_Time_Struct;RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);TIM_Time_Struct.TIM_Prescaler = 7199;TIM_Time_Struct.TIM_Period = 9999;TIM_Time_Struct.TIM_CounterMode = TIM_CounterMode_Up;TIM_TimeBaseInit(TIM3, &TIM_Time_Struct);TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);TIM_Cmd(TIM3, ENABLE);
}void KEY_Conf(void){ //pc5 key0GPIO_InitTypeDef key;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);key.GPIO_Pin = GPIO_Pin_5;key.GPIO_Mode = GPIO_Mode_IPU;GPIO_Init(GPIOC, &key);GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource5);
}void EXTI_conf(void){EXTI_InitTypeDef exti;exti.EXTI_Line = EXTI_Line5;exti.EXTI_Mode = EXTI_Mode_Interrupt;exti.EXTI_Trigger = EXTI_Trigger_Falling;EXTI_Init(&exti);
}void Set485Direction(void)
{GPIO_InitTypeDef GPIO_InitStructure;RCC_APB1PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIO_InitStructure);GPIO_SetBits(GPIOA, GPIO_Pin_1); }其余内容可自己DIY，这里不再给出。
