main.c

STM32F10xx的LCD驱动源码

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : main.c
* Author             : MCD Application Team
* Version            : V1.0
* Date               : 10/08/2007
* Description        : Main program body
********************************************************************************
* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_lib.h" 
#include "I2C.h"
#include "main.h"
#include "PWM.h"
/* Private typedef -----------------------------------------------------------*/
//typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;

/* Private define ------------------------------------------------------------*/
#define I2C1_SLAVE_ADDRESS10          0x30
#define I2C2_SLAVE_READ_ADDRESS7      0xA1
#define I2C2_SLAVE_WRITE_ADDRESS7     0xA0
#define Data_Address1                 0x00
#define Data_Address2                 0x8               
#define BufferSize                    10 
#define ClockSpeed                    400000
#define Page_Size                     0x08

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
I2C_InitTypeDef  I2C_InitStructure;
u8 I2C1_Buffer1_Tx[BufferSize] = {11,45,36,27,35,40,23,47,12,9}, 
   I2C1_Buffer2_Tx[BufferSize] = {5,9,2,8,33,45,21,8,5,4};
u8 I2C2_Buffer1_Rx[BufferSize], I2C2_Buffer2_Rx[BufferSize];
u8 Tx_Idx = 0, Rx_Idx = 0;
volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED;
ErrorStatus HSEStartUpStatus;    

/* Private functions ---------------------------------------------------------*/
void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);
void Delay_Xs(u8 Dly);
void Delay_XMs(u8 Dly);
void I2C_ini(void);

TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength);

/*******************************************************************************
* Function Name  : main
* Description    : Main program
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
int main(void)
{
    System_ini();
    //EEPR_Write_Commend( Data_Address1,I2C1_Buffer1_Tx,Page_Size)
    //EEPR_Read_Commend( Data_Address1,I2C2_Buffer1_Rx,Page_Size);
    Code_Recive_Manage();
  while (1)				   
  {
  }
}

/*******************************************************************************
* Function Name  : RCC_Configuration
* Description    : Configures the different system clocks.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void RCC_Configuration(void)
{   
  /* RCC system reset(for debug purpose) */
  RCC_DeInit();

  /* Enable HSE */
  RCC_HSEConfig(RCC_HSE_ON);

  /* Wait till HSE is ready */
  HSEStartUpStatus = RCC_WaitForHSEStartUp();

  if(HSEStartUpStatus == SUCCESS)
  {
    /* Enable Prefetch Buffer */
    FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

    /* Flash 2 wait state */
    FLASH_SetLatency(FLASH_Latency_2);
 
    /* HCLK = SYSCLK */
    RCC_HCLKConfig(RCC_SYSCLK_Div1); 
  
    /* PCLK2 = HCLK */
    RCC_PCLK2Config(RCC_HCLK_Div2); 

    /* PCLK1 = HCLK/2 */
    RCC_PCLK1Config(RCC_HCLK_Div4);
    

    /* PLLCLK = 8MHz * 9 = 72 MHz */
    RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);

    /* Enable PLL */ 
    RCC_PLLCmd(ENABLE);

    /* Wait till PLL is ready */
    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
    {
    }

    /* Select PLL as system clock source */
    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

    /* Wait till PLL is used as system clock source */
    while(RCC_GetSYSCLKSource() != 0x08)
    {
    }
  }
     TIM_DeInit(TIM2);  //deintiate timer2
  /* TIM2 clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
   /* TIM3 clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);

  /* GPIOA and GPIOB clock enable */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE); 
  /* I2C1 and I2C2 Periph clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 | RCC_APB1Periph_I2C2, ENABLE);
}
 
/*******************************************************************************
* Function Name  : GPIO_Configuration
* Description    : Configure the GPIOD Pins.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void GPIO_Configuration(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* ******************pwm input configure******************/
  GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_1;
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IN_FLOATING;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(GPIOA, &GPIO_InitStructure); 
  /******************pwm otput configure******************/
  /*GPIOA Configuration: TIM3 channel 1 and 2*/
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
    /*GPIOA Configuration: TIM3 channel 3 and 4*/
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_0 | GPIO_Pin_1;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  /*GPIOB Configuration: software PWM output */
     //GPIOB->CRL  =0x33333333;
 /*GPIOC Configuration: LED 4 5 6 7 output*/
     GPIOC->CRL =0x33330000;
  
     /**"*"""**reset output pinssz************/
      GPIOB->ODR &=0xFFFC;
      GPIOC->ODR &=0xFF0F;
      GPIOC->ODR |=0x00F0;
      
      //GPIOD->CRL &=0x00088000;


  /* Configure I2C2 pins: SCL and SDA ----------------------------------------*/
 // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;
 // GPIO_Init(GPIOB, &GPIO_InitStructure);

}

/*******************************************************************************
* Function Name  : NVIC_Configuration
* Description    : Configure the nested vectored interrupt controller.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NVIC_Configuration(void)
{ 
  NVIC_InitTypeDef NVIC_InitStructure; 

#ifdef  VECT_TAB_RAM  
  /* Set the Vector Table base location at 0x20000000 */ 
  NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); 
#else  /* VECT_TAB_FLASH  */
  /* Set the Vector Table base location at 0x08000000 */ 
  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);   
#endif
  
  /* Enable the TIM2 global Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
/*******Enable the EXTI 3,4,and cofigure them to GPIOD pin 3 and 4 ,
*****when a negtive voltage coming to pin 3 there is a interrupt at 
*****line 3 ,the same as pin 4 and line 4**************************/
   AFIO->EXTICR[0] |=0x00003000;               //cofigure external interruput line 3 to GPIOD pin 3
   AFIO->EXTICR[1] |=0x00000003;               //cofigure external interruput line 4 to GPIOD pin 4
   EXTI->IMR       |=0x00000018;               //anable external interruput line 3 and 4
   EXTI->FTSR      |=0x00000018;               //trigger an interruput at falling edge
   EXTI->PR        &=0x00000000;               //initiate  the external interruput pending rigester
// Enable the EXTI3,4 global Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel                      = EXTI3_IRQChannel;     //Group priority 0, sub priority 2
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority    = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority           = 2;
  NVIC_InitStructure.NVIC_IRQChannelCmd                   = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  
  NVIC_InitStructure.NVIC_IRQChannel                      = EXTI4_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority    = 0;   //Group priority 0, sub priority 3
  NVIC_InitStructure.NVIC_IRQChannelSubPriority           = 3;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  

}
/*******************************************************************************
* Function Name  : assert_failed
* Description    : Reports the name of the source file and the source line number
*                  where the assert_param error has occurred.
* Input          : - file: pointer to the source file name
*                  - line: assert_param error line source number
* Output         : None
* Return         : None
*******************************************************************************/
#ifdef  DEBUG
void assert_failed(u8* file, u32 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) */

  while (1)
  {
  }
}
#endif


/*******************************************************************************
* Function Name  : Delay_XMs()
* Description    : Reports the name of the source file and the source line number
*                  where the assert_param error has occurred.
* Input          : - file: pointer to the source file name
*                  - line: assert_param error line source number
* Output         : None
* Return         : None
*******************************************************************************/
void Delay_XMs(u8 Dly)
{
  u16 i;
  for(;Dly>0;Dly--)
    {
     for(i=0;i<0x0E65;i++);
    }
}
/*******************************************************************************
* Function Name  : Delay_Xs()
* Description    : Reports the name of the source file and the source line number
*                  where the assert_param error has occurred.
* Input          : - file: pointer to the source file name
*                  - line: assert_param error line source number
* Output         : None
* Return         : None
*******************************************************************************/
void Delay_Xs(u8 Dly)
{ 
	u16 i=990;
  for(;Dly>0;Dly--)
    {
     for(;i>0;i--)
      {
       Delay_XMs(1);
      }
    }
}
/*******************************************************************************
* Function Name  : Buffercmp
* Description    : Compares two buffers.
* Input          : - pBuffer1, pBuffer2: buffers to be compared.
*                : - BufferLength: buffer's length
* Output         : None
* Return         : PASSED: pBuffer1 identical to pBuffer2
*                  FAILED: pBuffer1 differs from pBuffer2
*******************************************************************************/
TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength)
{
  while(BufferLength--)
  {
    if(*pBuffer1 != *pBuffer2)
    {
      return FAILED;
    }
    
    pBuffer1++;
    pBuffer2++;
  }

  return PASSED;  
}
/*******************************************************************************
* Function Name  :I2C_ini
* Description    : Compares two buffers.
* Input          : - pBuffer1, pBuffer2: buffers to be compared.
*                : - BufferLength: buffer's length
* Output         : None
* Return         : PASSED: pBuffer1 identical to pBuffer2
*                  FAILED: pBuffer1 differs from pBuffer2
*******************************************************************************/
void I2C_ini(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;
  
    /* Configure I2C1 pins: SCL and SDA ----------------------------------------*/
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

    /* Enable I2C1 and I2C2 ----------------------------------------------------*/
  I2C_Cmd(I2C1, ENABLE);
  //I2C_Cmd(I2C2, ENABLE);

  /* I2C1 configuration ------------------------------------------------------*/
  I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
  I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
  I2C_InitStructure.I2C_OwnAddress1 = I2C1_SLAVE_ADDRESS10;
  I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
  I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
  I2C_InitStructure.I2C_ClockSpeed = ClockSpeed;
  I2C_Init(I2C1, &I2C_InitStructure);
  Tx_Idx = Rx_Idx = 0; 
  I2C_Cmd(I2C1, ENABLE);

}

void System_ini(void)
{
#ifdef DEBUG
  debug();
#endif

  /* System clocks configuration ---------------------------------------------*/
  RCC_Configuration();

  /* NVIC configuration ------------------------------------------------------*/
  NVIC_Configuration();

  /* GPIO configuration ------------------------------------------------------*/
  GPIO_Configuration();
  PWMI_Init();
  I2C_ini();

}
/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/