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#include "stm32f4xx.h"
#include "stm32f4xx_gpio.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_usart.h"
#include "stdio.h"
#include "bit_band.h"
int cam_value=0;
volatile int WZT=0;
unsigned char dhtll_data[5];
static TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
static TIM_OCInitTypeDef TIM_OCInitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
volatile int count=0;
volatile int NUM=0;
volatile unsigned char d;
static GPIO_InitTypeDef GPIO_InitStructure;
static USART_InitTypeDef USART_InitStructure;
static NVIC_InitTypeDef NVIC_InitStructure;
unsigned char g_usart1_recv_buf[128]={0};
unsigned char g_usart1_recv_cnt = 0;
unsigned char g_usart3_recv_buf[128]={0};
unsigned char g_usart3_recv_cnt = 0;
volatile int FLAG=0;
int distance;
void led_init()
{
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9| GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOF, &GPIO_InitStructure);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13| GPIO_Pin_14;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOE, &GPIO_InitStructure);
PEout(14)=1;
PEout(13)=1;
PFout(10)=1;
PFout(9)=1;
}
void key_init()
{
/* Enable GPIOA clock GPIO硬件时钟使能*/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
/* Configure PA0 pin as input floating 配置GPIO信息结构体*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_Init(GPIOA, &GPIO_InitStructure); //配置GPIOA 0引脚
/* Enable GPIOE clock GPIO硬件时钟使能*/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
/* Configure PA0 pin as input floating 配置GPIO信息结构体*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3| GPIO_Pin_4;
GPIO_Init(GPIOE, &GPIO_InitStructure); //配置GPIOE 234引脚
}
void key1_exti0_init()
{
/* Connect EXTI Line0 to PA0 pin 把中断控制线0链接到PA0引脚*/
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
/* Configure EXTI Line0 配置外部中断控制线0的信息结构体*/
EXTI_InitStructure.EXTI_Line = EXTI_Line0; //选择中断控制线0
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //外部中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //使能外部中断控制线0
EXTI_Init(&EXTI_InitStructure); //初始化
/* Enable and set EXTI Line0 Interrupt to the lowest priority设置外部中断控制线0的优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; //设置外部中断控制线0的优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00; //设置抢占优先级0xF
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00; //设置响应优先级0xF
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断控制线0的优先级
NVIC_Init(&NVIC_InitStructure);
}
void key2_exti2_init()
{
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource2);
EXTI_InitStructure.EXTI_Line = EXTI_Line2; //选择中断控制线2
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //外部中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //使能外部中断控制线2
EXTI_Init(&EXTI_InitStructure); //初始化
/* Enable and set EXTI Line0 Interrupt to the lowest priority设置外部中断控制线2的优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn; //设置外部中断控制线2的优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01; //设置抢占优先级
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01; //设置响应优先级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断控制线2的优先级
NVIC_Init(&NVIC_InitStructure);
}
void key3_exti3_init()
{
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource3);
EXTI_InitStructure.EXTI_Line = EXTI_Line3; //选择中断控制线3
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //外部中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //使能外部中断控制线3
EXTI_Init(&EXTI_InitStructure); //初始化
/* Enable and set EXTI Line0 Interrupt to the lowest priority设置外部中断控制线3的优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn; //设置外部中断控制线3的优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02; //设置抢占优先级
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02; //设置响应优先级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断控制线3的优先级
NVIC_Init(&NVIC_InitStructure);
}
void key4_exti4_init()
{
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource4);
EXTI_InitStructure.EXTI_Line = EXTI_Line4; //选择中断控制线4
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //外部中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //使能外部中断控制线4
EXTI_Init(&EXTI_InitStructure); //初始化
/* Enable and set EXTI Line0 Interrupt to the lowest priority设置外部中断控制线4的优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn; //设置外部中断控制线4的优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03; //设置抢占优先级
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x03; //设置响应优先级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断控制线4的优先级
NVIC_Init(&NVIC_InitStructure);
}
void EXTI0_IRQHandler(void)
{
//判断外部中断控制线 0 是否触发，等于1就是触发
if(EXTI_GetITStatus(EXTI_Line0) != RESET)
{
WZT=1;
/* Clear the EXTI line 0 pending bit 清除外部中断触发标志*/
EXTI_ClearITPendingBit(EXTI_Line0);
}
}
void EXTI2_IRQHandler(void)
{
//判断外部中断控制线2 是否触发，等于1就是触发
if(EXTI_GetITStatus(EXTI_Line2) != RESET)
{ WZT =2;
/* Clear the EXTI line 2 pending bit 清除外部中断触发标志*/
EXTI_ClearITPendingBit(EXTI_Line2);
}
}
void EXTI3_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line3) != RESET)
{
WZT =3;
/* Clear the EXTI line 0 pending bit 清除外部中断触发标志*/
EXTI_ClearITPendingBit(EXTI_Line3);
}
}
void EXTI4_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line4) != RESET)
{
WZT=4;
NUM++;
if( NUM>=3)
NUM=1;
/* Clear the EXTI line 0 pending bit 清除外部中断触发标志*/
EXTI_ClearITPendingBit(EXTI_Line4);
}
}
void BEEP_Init(void)
{
//使能GPIOE，GPIOF时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_GPIOF, ENABLE);
//GPIOF9,F10初始化设置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //LED0和LED1对应IO口
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //普通输出模式，
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出，驱动LED需要电流驱动
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOF, &GPIO_InitStructure); //初始化GPIOF，把配置的数据写入寄存器
}
void LED_Init(void)
{
//使能GPIOE，GPIOF时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_GPIOF, ENABLE);
//GPIOF9,F10初始化设置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10; //LED0和LED1对应IO口
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //普通输出模式，
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出，驱动LED需要电流驱动
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOF, &GPIO_InitStructure); //初始化GPIOF，把配置的数据写入寄存器
//GPIOE13,PE14初始化设置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14; //LED2和LED3对应IO口
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //普通输出模式
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOE, &GPIO_InitStructure); //初始化GPIOE，把配置的数据写入寄存器
GPIO_SetBits(GPIOF,GPIO_Pin_9 | GPIO_Pin_10); //GPIOF9,PF10设置高，灯灭
GPIO_SetBits(GPIOE,GPIO_Pin_13 | GPIO_Pin_14);
}
void TIM1_CH3_PWMoutout()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//配置复用功能（第二功能模式）--PWM
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource13, GPIO_AF_TIM1);
/* Time base configuration TIM3的时钟频率为84MHz */ //84M/预分频值/二次分频值 === 每一秒计数次数
TIM_TimeBaseStructure.TIM_Period = 100; //定时时间100ms(100HZ) --> 84000000/8400/1000*100
TIM_TimeBaseStructure.TIM_Prescaler = 16800; //预分频值 ---》8400
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //二次分频值 -->1
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //初始化
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //选择定时器模式:TIM脉冲宽度调制模式2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性低
TIM_OC3Init(TIM1, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM1 4OC1
TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM1, ENABLE);
/* TIM3 enable counter 开始计时*/
TIM_Cmd(TIM1, ENABLE);
TIM_CtrlPWMOutputs(TIM1, ENABLE);
}
void TIM13_CH1_PWM_OUTOUT()
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM13, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//配置复用功能（第二功能模式）--PWM
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource8, GPIO_AF_TIM13);
/* Time base configuration TIM3的时钟频率为84MHz */ //84M/预分频值/二次分频值 === 每一秒计数次数
TIM_TimeBaseStructure.TIM_Period = 100; //定时时间100ms(100HZ) --> 84000000/8400/1000*100
TIM_TimeBaseStructure.TIM_Prescaler = 8400; //预分频值 ---》8400
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //二次分频值 -->1
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数
TIM_TimeBaseInit(TIM13, &TIM_TimeBaseStructure); //初始化
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //选择定时器模式:TIM脉冲宽度调制模式2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性低
TIM_OC1Init(TIM13, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM1 4OC1
TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM13, ENABLE);
/* TIM3 enable counter 开始计时*/
TIM_Cmd(TIM13, ENABLE);
TIM_CtrlPWMOutputs(TIM13, ENABLE);
}
void delay_ms(int x)
{
//让编译器不要优化这个变量
volatile int i;
for(i=0; i<x; i++)
{
//设置计数值，定时1ms
//通过指针调用结构体里面的成员 21
SysTick->LOAD = 21000;
//开启系统定时器，开始计数
SysTick->CTRL |= 1<<0;
//计数减到0，计数完毕
while((SysTick->CTRL & 1<<16) == 0);
//关闭系统定时器
SysTick->CTRL &= ~(0x1<<0);
}
}
//精准延时（ms级别）
void delay_us(int x)
{
//让编译器不要优化这个变量
volatile int i;
//设置计数值，定时1ms
//通过指针调用结构体里面的成员
SysTick->LOAD = x*21;
SysTick->VAL =0;
//开启系统定时器，开始计数
SysTick->CTRL |= 1<<0;
//计数减到0，计数完毕
while((SysTick->CTRL & 1<<16) == 0);
//关闭系统定时器
SysTick->CTRL &= ~(0x1<<0);
}
void PG9_configure_outputmode()
{
//使能GPIOG，GPIOG时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG , ENABLE);
//GPIOG9初始化设置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //LED0和LED1对应IO口
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //普通输出模式，
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出，驱动LED需要电流驱动
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOG, &GPIO_InitStructure); //初始化GPIOF，把配置的数据写入寄存器
}
void PG9_configure_inputmode()
{
//使能GPIOG，GPIOG时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG , ENABLE);
//GPIOG9初始化设置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //LED0和LED1对应IO口
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; //普通输出模式，
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; //上拉
GPIO_Init(GPIOG, &GPIO_InitStructure); //初始化GPIOF，把配置的数据写入寄存器
}
//请求DHTLL发送数据，DHTLL准备发送
int start_dhtll_ask_data()
{
int i;
PG9_configure_outputmode();
PGout(9) = 0;
delay_ms(20);
PGout(9) = 1;
delay_us(30);
PG9_configure_inputmode();
i=0;
//在100us内，检测温湿度模块是否会，变为低电平，如果是就表示dhtll有响应
//超时判断
while(i<100)
{
if(PGin(9) == 0)
break;
delay_us(1);
i++;
}
//超时判断
if(i>= 100)
return 1;
i=0;
//在100us内，检测温湿度模块是否会，变为低电平，如果是就表示dhtll有响应
//超时判断
while(i<100)
{
if(PGin(9) == 1)
break;
delay_us(1);
i++;
}
//超时判断
if(i>= 100)
return 1;
return 0; //主机发送数据请求后，DHTLL有了回应，打算发送数据
}
//读取DHTLL发送的1个字节的数据
int read_data_1_byte_from_dhtll()
{
unsigned char data=0;
int i;
//
while(PGin(9) == 1);
for(i=0; i<8; i++)
{
while(PGin(9) == 0);
delay_us(40);
//40us后还是高电平，就表示这bit数是1
if(1 == PGin(9))
{
//i=1, 1<<(7-1) == 0100 0000
//i=2, 1<<5 == 0010 0000
data = data | (1<<(7-i));//
while(PGin(9) == 1); //当我们这位数为1时，把高电平时间结束
}
else if( 0== PGin(9))
{
}
}
return data; //返回读取到的数据
}
//读取DHTLL发送的一次完整数据40bit
int read_data_all_dhtll()
{
int i;
//等待DHTLL回应，回应失败继续请求数据
while(1 == start_dhtll_ask_data());
for(i=0; i<5; i++)
{
dhtll_data[i] = read_data_1_byte_from_dhtll();
}
//判断校验和
if(dhtll_data[4] == dhtll_data[0]+dhtll_data[1]+dhtll_data[2]+dhtll_data[3])
{
return 1;
}
return 0;
}
void pin_inti()
{
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* GPIOA Configuration: PA9(USART1_TX) PA10(USART1_RX) 把PA9和PA10配置为第二功能模式*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //复用功能，使用引脚的第二功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOB, &GPIO_InitStructure);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
/* GPIOA Configuration: PA9(USART1_TX) PA10(USART1_RX) 把PA9和PA10配置为第二功能模式*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; //复用功能，使用引脚的第二功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
//GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOE, &GPIO_InitStructure);
}
void beef_dis()
{
if((distance>0)&&(distance<=20))
{ PFout(9)=0;
PFout(10)=0;
PEout(13)=0;
PEout(14)=0;
for(cam_value=0;cam_value<20;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
else if((distance>20)&&(distance<40))
{ PFout(9)=0;
PFout(10)=0;
PEout(13)=0;
for(cam_value=0;cam_value<40;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
else if((distance>40)&&(distance<=60))
{ PFout(9)=0;
PFout(10)=0;
for(cam_value=0;cam_value<60;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
else if((distance>60)&&(distance<=80))
{ PFout(9)=0;
for(cam_value=0;cam_value<80;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
else if((distance>80)&&(distance<100))
{
for(cam_value=0;cam_value<100;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
else
{
for(cam_value=0;cam_value<100;cam_value++)
{
TIM_SetCompare1(TIM13,cam_value);
delay_ms(10);
}
}
}
unsigned int get_sro4_distance()
{ unsigned int t=0;
PBout(6)=1;
delay_us(20);
PBout(6)=0;
while(PEin(6)==0);
while(PEin(6)==1)
{
delay_us(9);
t++;
}
t=t/2;
t=t*3;
return t;
}
void clear()
{
PEout(14)=1;
PEout(13)=1;
PFout(10)=1;
PFout(9)=1;
}
void led_light(int i)
{
switch(i)
{
case 1:
PFout(9) = 0;
break;
case 2:
PFout(9) = 1;
break;
case 3:
PFout(10) = 0;
break;
case 4:
PFout(10) = 1;
break;
case 5:
PEout(13) = 0;
break;
case 6:
PEout(13) = 1;
break;
case 7:
PEout(14) = 0;
break;
case 8:
PEout(14) = 1;
}
delay_ms(200);
}
void led_light_return(int i)
{
switch(i)
{
case 1:
PFout(9) = 1;
break;
case 2:
PFout(9) =0;
break;
case 3:
PFout(10) = 1;
break;
case 4:
PFout(10) = 0;
break;
case 5:
PEout(13) = 1;
break;
case 6:
PEout(13) = 0;
break;
case 7:
PEout(14) = 1;
break;
case 8:
PEout(14) =0;
}
delay_ms(200);
}
void key_led()
{ int i;
if(WZT==1)
{
while(1){
PFout(9)=0;
delay_ms(100);
if(WZT != 1)
{ clear();
break;}
}
}
if(WZT == 3)
{
while(1)
{
for(i=1; i<9; i++)
{
led_light(i);
if(WZT != 3)
{ clear();
break;}
}
if(WZT != 3)
break;
}
}
if(WZT ==2)
{
clear();
}
if(WZT ==4)
{
while(1)
{ if ( NUM==1 )
{for(i=1; i<9; i++)
{
led_light(i);
if(( NUM!=1)||(WZT != 4))
{ clear();
break;}
}
}
if ( NUM==2 )
{for(i=8; i>0; i--)
{
led_light_return(i);
if(( NUM!=2)||( WZT != 4))
{ clear();
break; }
}
}
if(WZT!= 4)
break;
}
}
}
void opion_BULETOOTH()
{
if(FLAG == 1)
{
BEEP_Init();
PFout(8)=1;
}
else if(FLAG == 2)
{
GPIO_ResetBits(GPIOF,GPIO_Pin_8 );
}
else if(FLAG == 3)
{ printf("breath_led_on\n");
TIM1_CH3_PWMoutout();
for(cam_value=100;cam_value>0;cam_value--)
{
TIM_SetCompare3(TIM1,cam_value);
if(FLAG != 3)
break;
delay_ms(10);}}
else if(FLAG == 4)
{
LED_Init();
GPIO_SetBits(GPIOE,GPIO_Pin_13 );
}
else if(FLAG == 5)
{ TIM13_CH1_PWM_OUTOUT();
pin_inti();
distance=get_sro4_distance();
printf("the distance is %dmm\n",distance);
LED_Init();
beef_dis();
delay_ms(1000);
}
else if(FLAG == 6)
{ BEEP_Init();
LED_Init();
PFout(9)=1;
PFout(10)=1;
PEout(13)=1;
PEout(14)=1;
PFout(8)=0;
}
else if(FLAG == 7)
{
if(1== read_data_all_dhtll())
{
printf("H: %d.%d\t", dhtll_data[0], dhtll_data[1]);
printf("T: %d.%d\n", dhtll_data[2], dhtll_data[3]);
}
delay_ms(1000);
}
else if(FLAG == 8){
}
}
//重定义fputc函数
int fputc(int ch, FILE *f)
{
USART_SendData(USART3,ch);
while(USART_GetFlagStatus(USART3,USART_FLAG_TXE)==RESET);
return ch;
}
void USART1_Init(uint32_t baud)
{
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE); //使能GPIOA时钟
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE); //使能USART1时钟
//串口1对应引脚复用映射
GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_USART1); //GPIOA9复用为USART1
GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_USART1); //GPIOA10复用为USART1
//USART1端口配置
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10; //GPIOA9与GPIOA10
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //复用功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽复用输出
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOA,&GPIO_InitStructure); //初始化PA9，PA10
//USART1 初始化设置
USART_InitStructure.USART_BaudRate = baud; //波特率设置
USART_InitStructure.USART_WordLength = USART_WordLength_8b; //字长为8位数据格式
USART_InitStructure.USART_StopBits = USART_StopBits_1; //一个停止位
USART_InitStructure.USART_Parity = USART_Parity_No; //无奇偶校验位
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; //无硬件数据流控制
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式
USART_Init(USART1, &USART_InitStructure); //初始化串口1
USART_Cmd(USART1, ENABLE); //使能串口1
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); //开启相关中断
//Usart1 NVIC 配置
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; //串口1中断通道
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级3
NVIC_InitStructure.NVIC_IRQChannelSubPriority =3; //子优先级3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能
NVIC_Init(&NVIC_InitStructure); //根据指定的参数初始化VIC寄存器
}
void USART3_Init(uint32_t baud)
{
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* GPIOB Configuration: PB10 PB11 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect USART3_TX pins to PB10 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource10, GPIO_AF_USART3);
/* Connect USART3_RX pins to PB11 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource11, GPIO_AF_USART3);
/* Enable USART3 clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
USART_InitStructure.USART_BaudRate = baud;
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_Init(USART3, &USART_InitStructure);
/* Enable the USARTx Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable USART3 */
USART_Cmd(USART3, ENABLE);
/* Enable the Rx buffer empty interrupt */
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);
}
//发送固定字节数据到串口1
void USART1_SendBytes(uint8_t *pbuf,uint32_t len)
{
while(len--)
{
USART_SendData(USART1,*pbuf++);
while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);
}
}
//发送字符串到串口1
void USART1_SendString(uint8_t *pstr)
{
while(pstr && *pstr)
{
USART_SendData(USART1,*pstr++);
while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);
}