stm32f10x_it.c

LCD液晶显示驱动,芯片为ST7565,

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : stm32f10x_it.c
* Author             : MCD Application Team
* Version            : V1.0.0
* Date               : 07/21/2008
* Description        : Main Interrupt Service Routines.
*                      This file provides template for all exceptions handler
*                      and peripherals interrupt service routine.
********************************************************************************
* 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.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "glasslcd.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern u16 SegmentsValues_Lower_Quarter_Digits[4];
extern u16 SegmentsValues_Higher_Quarter_Digits[4];
extern const u16 CommonLine[4];
extern u32 CommonLine_OUT_PP[4];
extern u32 CommonLine_VDD_2[4];
u8 CC2_1_Phase_Execute=0;
u16 lcdcr=0;
u8 LCDPowerOff=0;
u32 nDelay;

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : NMIException
* Description    : This function handles NMI exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NMIException(void)
{
}

/*******************************************************************************
* Function Name  : HardFaultException
* Description    : This function handles Hard Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void HardFaultException(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : MemManageException
* Description    : This function handles Memory Manage exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void MemManageException(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : BusFaultException
* Description    : This function handles Bus Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void BusFaultException(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : UsageFaultException
* Description    : This function handles Usage Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void UsageFaultException(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : DebugMonitor
* Description    : This function handles Debug Monitor exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DebugMonitor(void)
{
}

/*******************************************************************************
* Function Name  : SVCHandler
* Description    : This function handles SVCall exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SVCHandler(void)
{
}

/*******************************************************************************
* Function Name  : PendSVC
* Description    : This function handles PendSVC exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PendSVC(void)
{
}

/*******************************************************************************
* Function Name  : SysTickHandler
* Description    : This function handles SysTick Handler.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SysTickHandler(void)
{
}

/*******************************************************************************
* Function Name  : WWDG_IRQHandler
* Description    : This function handles WWDG interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void WWDG_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : PVD_IRQHandler
* Description    : This function handles PVD interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PVD_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : TAMPER_IRQHandler
* Description    : This function handles Tamper interrupt request. 
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void TAMPER_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : RTC_IRQHandler
* Description    : This function handles RTC global interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void RTC_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : FLASH_IRQHandler
* Description    : This function handles Flash interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void FLASH_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : RCC_IRQHandler
* Description    : This function handles RCC interrupt request. 
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void RCC_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI0_IRQHandler
* Description    : This function handles External interrupt Line 0 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI0_IRQHandler(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;

  /* Insert delay to avoid the button bouncing effect */
  for(nDelay=0; nDelay<0x2FFF; nDelay++);

  if(EXTI_GetITStatus(EXTI_Line0) != RESET)
  {
    /* Clear EXTI pending bit */ 
    EXTI_ClearITPendingBit(EXTI_Line0);
    
    if(LCDPowerOff==1)
    { 
     /* LCD TIM conter desable */
     TIM_Cmd(TIMER_LCD, DISABLE);
      
     /* Enable the TIMx global Interrupt */
     NVIC_InitStructure.NVIC_IRQChannel = TIM_LCD_IRQChannel;
     NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
     NVIC_Init(&NVIC_InitStructure); 

     /* All Common lines = 0 */
     CommonLines_Port->ODR &= ~ALL_COMMON_LINES;
      
     /* Configure all Common lines on CommonLines port pins as Out_PP */    
     CommonLines_Port->PinsConfig |= ALL_COMMON_LINES_PP;
      
     /* All Segment lines = 0 ( all SegmentsLines_LQD_Port pins = 0 ) */
     SegmentsLines_LQD_Port->ODR = (u16)~ALL_SEGMENT_LINES;

  #ifdef USE_LCD_REF_PD_878 
     /* All SegmentsLines_LQD_Port pins = 0 */
     SegmentsLines_HQD_Port->ODR = (u16)~ALL_SEGMENT_LINES;
  #endif  
     /* LCD Bias Plus Pin = 0V (LCD Bias Minus Pin is always in 0V level) */
     GPIO_ResetBits(LCD_Bias_Port, LCD_BiasPlus_Pin);
        
     LCDPowerOff=0;
    }
    
    else
    { 
     /* LCD TIM conter enable */
     TIM_Cmd(TIMER_LCD, ENABLE); 
      
     /* Enable the TIMx global Interrupt */
     NVIC_InitStructure.NVIC_IRQChannel = TIM_LCD_IRQChannel;
     NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
     NVIC_Init(&NVIC_InitStructure); 

     /* Power on the resistor bridge ( LCD Bias Minus is always set to 0) */
     GPIO_SetBits(LCD_Bias_Port, LCD_BiasPlus_Pin);
   
     LCDPowerOff=1;
   }
 }
}

/*******************************************************************************
* Function Name  : EXTI1_IRQHandler
* Description    : This function handles External interrupt Line 1 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI1_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI2_IRQHandler
* Description    : This function handles External interrupt Line 2 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI2_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI3_IRQHandler
* Description    : This function handles External interrupt Line 3 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI3_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI4_IRQHandler
* Description    : This function handles External interrupt Line 4 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI4_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMA1_Channel1_IRQHandler