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/**
  ******************************************************************************
  * @file    EXTI/EXTI_Config/main.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
#include "delay.h"
#include <stdio.h>
volatile int flag;
#define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12)
#define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12)
#define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12)
unsigned char Error_Flag=0;
unsigned char zf=0;
float wendu;

/** @addtogroup STM32F10x_StdPeriph_Examples
  * @{
  */

/** @addtogroup EXTI_Config
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

void RCC_Configuration(void)
{
  RCC_DeInit();
    
  RCC_HSICmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
  
  RCC_HSEConfig(RCC_HSE_OFF);
  RCC_LSEConfig(RCC_LSE_OFF);
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_12); //  72HMz
  RCC_PLLCmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);
  RCC_PCLK2Config(RCC_HCLK_Div1);
  RCC_PCLK1Config(RCC_HCLK_Div2);
  RCC_HCLKConfig(RCC_SYSCLK_Div1);
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
  while(RCC_GetSYSCLKSource() != 0x08);


// SystemInit();

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
} 

void USART_int(long BaudRate)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);
       GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; 
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    /* PA10 USART1_Rx  */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
  /* USARTx configured as follow:
        - BaudRate = 115200 baud  
        - Word Length = 8 Bits
        - One Stop Bit
        - No parity
        - Hardware flow control disabled (RTS and CTS signals)
        - Receive and transmit enabled
  */
  USART_InitStructure.USART_BaudRate = BaudRate;//??????
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1
  USART_InitStructure.USART_Parity = USART_Parity_No;//????
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//??????????
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;     
    USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;      
    USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;      
    USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
    USART_ClockInit(USART1, &USART_ClockInitStructure);
  USART_Init(USART1, &USART_InitStructure);
  USART_Cmd(USART1, ENABLE);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
 USART_Cmd(USART1, ENABLE);
}


void PWM_Config()
{uint16_t PrescalerValue = 0;
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
TIM_OCInitTypeDef  TIM_OCInitStructure;
/* TIM2 clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
  /* GPIOA  enable */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_Cmd(TIM2, ENABLE);
 /* Compute the prescaler value */
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;
  /* Time base configuration */
  TIM_TimeBaseStructure.TIM_Period = 0x07FF;
  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
  /* PWM1 Mode configuration: Channel2 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);
/* PWM1 Mode configuration: Channel3 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);
/* PWM1 Mode configuration: Channel4 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);
  TIM_ARRPreloadConfig(TIM2, ENABLE);
}

/*void PWM_TEST()
{ unsigned int temp0=0,temp1=0,temp2=0;
printf("PWM-RGB TEST......\r\n");
while(1)
{
TIM_SetCompare2(TIM2, temp0);
if (temp0>=2047)
{
delay_ms(1000);
temp0=0;
break;
  }
else {temp0++;delay_us(1000);}
    }
while(1)
{
TIM_SetCompare3(TIM2, temp1);
if (temp1>=2047)
{
delay_ms(1000);
temp1=0;
break;
  }
else {temp1++;delay_us(1000);}
    }
while(1)
{
TIM_SetCompare4(TIM2, temp2);
if (temp2>=2047)
{
delay_ms(1000);
temp2=0;
break;
  }
else {temp2++;delay_us(1000);}
    }
}*/


void delay_18b20(u32 nus)
{
u16 i;
while(nus--)
for(i=12;i>0;i--);
}



void Init18B20(void)
{
   u8 aa=0;
   u8 count =0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

   Set_B20() ;
   delay_18b20(1);
   Reset_B20();

   delay_18b20(480);
   Set_B20();
   delay_18b20(480);

count=0;
aa=Read_B20();
    while(!aa && count<100)  
   {
    aa=Read_B20();
count++;
   }
   if(count>=99)
    Error_Flag=1;
else
Error_Flag=0;
   
}
  
unsigned char Read18B20(void)
{  
unsigned char i=0;
unsigned char date=0;
u8 tempp;
   for(i=8;i>0;i--)
   {

   Reset_B20();
   date>>=1;
   delay_18b20(1);
   Set_B20(); 
    delay_18b20(1);
   tempp=Read_B20();

   if(tempp)
    date|=0x80; 
delay_18b20(60);
}
return(date);
}
void Write18B20(unsigned char date)
{
unsigned char i=0;

for (i=8; i>0; i--)
{
Reset_B20(); 
delay_18b20(1);
if(date & 0x01)
{
Set_B20();
}
else
{ Reset_B20();}
delay_18b20(60);
date>>=1;  
Set_B20();
delay_18b20(1);

}
delay_18b20(15);
}

 float Read_T()
{
unsigned char TUp,TDown;
unsigned char fTemp;
u8 TT=0;

float Temp = 0;
Init18B20();
Write18B20(0xcc);  
Write18B20(0x44);  
Init18B20();
Write18B20(0xcc);
Write18B20(0xbe);
TDown = Read18B20();  
TUp = Read18B20();  

if(TUp>0x7f)      
{
TDown=~TDown;  
TUp=~TUp+1; 
TUp/=8;     
zf=1;         
  }
else
zf=0;  

fTemp=TDown&0x0f;
TUp<<=4;
TDown>>=4;
TT=TUp|TDown;
Temp=TT+(float)fTemp/16;
return(Temp);
}
                                 
int main(void)
{

  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */     
       
  /* System Clocks Configuration */
unsigned int temp0=2045,temp1=0,temp2=0;
  RCC_Configuration();
  USART_int(115200);
PWM_Config();
printf(" config done...\r\n");
printf(" led  done...\r\n");
delay_ms(1000);
while(1)
{
wendu=Read_T();
printf("The Temperature is:wendu=%f\r\n",Read_T());
if(wendu>7.0||(wendu<10.0 || wendu==10.0))
{
//while(1)
//{
TIM_SetCompare2(TIM2, temp0);
        TIM_SetCompare3(TIM2, temp1);
TIM_SetCompare4(TIM2, temp2);

/*if (temp0>=2047)
{
delay_ms(1000);
temp0=0;
break;
}
else {temp0++;delay_us(1000);}
}*/
}

if(wendu>10.0||(wendu<13.0 || wendu==13.0))
{
temp0=0,temp1=2045,temp2=0;
//while(1)
//{
TIM_SetCompare2(TIM2, temp0);
 TIM_SetCompare3(TIM2, temp1);
TIM_SetCompare4(TIM2, temp2);
/*if (temp1>=2047)
{
delay_ms(1000);
temp1=0;
break;
}
else {temp1++;delay_us(1000);}
    }*/

}
delay_ms(1000);
if(wendu>13.5||(wendu<16.9 || wendu==16.9))
{
temp0=0,temp1=0,temp2=2045;
// while(1)
//{
TIM_SetCompare2(TIM2, temp0);
TIM_SetCompare3(TIM2, temp1);
 TIM_SetCompare4(TIM2, temp2);
/*if (temp2>=2047)
{
delay_ms(1000);
temp2=0;
break;
}
else {temp2++;delay_us(1000);}
}*/


}
delay_ms(1000);

}
}



#ifdef  USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)
{ 
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}

#endif

/**
  * @}
  */ 

/**
  * @}
  */ 

#ifdef __GNUC__
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
     set to 'Yes') calls __io_putchar() */
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
  


/**
  * @brief  Retargets the C library printf function to the USART.
  * @param  None
  * @retval None
  */
PUTCHAR_PROTOTYPE
{
  /* Place your implementation of fputc here */
  /* e.g. write a character to the USART */
  USART_SendData(EVAL_COM1, (uint8_t) ch);

  /* Loop until the end of transmission */
  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
  {}

  return ch;
}

#ifdef  USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)
{ 
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}

#endif

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/