main.c

STM32，5110液晶显示超声波测距探鱼器200KHz，带电路图，精确到厘米

  */
void RCC_Configuration(void)
{
	/* PCLK2 = HCLK */
	RCC_PCLK2Config(RCC_HCLK_Div1);	// 72M for APB2, 4M max reqirement for LCD IF, so divide 32 = 2.25M for SPI CLK
	RCC_PCLK1Config(RCC_HCLK_Div2);	// For TIM3 of SIG_IN

	/* Enable peripheral clocks --------------------------------------------------*/
	/* Enable LCD SPI DMA clock */
	RCC_AHBPeriphClockCmd(LCD_MASTER_DMA_CLK, ENABLE);

	/* Enable clock for LCD SPI_MASTER GPIO, SIG Out TIM1, Temperature ADC and other controls on APB2 */
	RCC_APB2PeriphClockCmd(LCD_MASTER_GPIO_CLK | LCD_MASTER_CLK | RCC_APB2Periph_AFIO | 
						   RCC_APB2Periph_GPIOB | SIG_GEN_TIMER_CLK | TEMPER_ADC_CLK, ENABLE);

	#ifdef DEBUG
	RCC_APB1PeriphClockCmd(DEBUG_UART_CLK, ENABLE); 
	#endif

	/* Enable clock for TIM4 of SIG_IN, ... */
	RCC_APB1PeriphClockCmd(SIG_RECV_TIMER_CLK | SIG_DETECT_TIMER_CLK | GLB_FREERUN_TIMER_CLK, ENABLE);
                      
}

/**
  * @brief  Configures the different GPIO ports.
  * @param  None
  * @retval None
  */
void GPIO_Configuration(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;

	// Port B General
	GPIO_InitStructure.GPIO_Pin = LCD_BACKLIGHT_PIN | SIG_GEN_PULSE_SD_PIN | SIG_RECV_SW_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(LCD_BACKLIGHT_PORT, &GPIO_InitStructure);
	MOSFET_DRIVER_OFF;	// Pull down IR2104's SD to disable MOSFET
	LCD_BACKLIGHT_OFF;	// Close LCD's backlight
	RECV_RELAY_RELEASE;	// Release signa, in control switch


	// Port A General
	GPIO_InitStructure.GPIO_Pin = LCD_DC_PIN | LCD_RST_PIN | SIG_OUT_SW_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(LCD_DC_PORT, &GPIO_InitStructure);
	GPIO_ResetBits(LCD_DC_PORT, LCD_DC_PIN);		// Low for command
	GPIO_ResetBits(LCD_RST_PORT, LCD_RST_PIN);		// Reset LCD
	OUTPUT_RELAY_RELEASE;		// Release relay
	FLAG_HMI_PWRON_RESET = SET;

	/* Configure LCD SPI_MASTER pins: SCK, MOSI and NSS */
	GPIO_InitStructure.GPIO_Pin = LCD_MASTER_SCK_PIN | LCD_MASTER_MOSI_PIN;	// | LCD_MASTER_NSS_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_Init(LCD_MASTER_PORT, &GPIO_InitStructure);

	GPIO_InitStructure.GPIO_Pin = LCD_MASTER_NSS_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(LCD_MASTER_PORT, &GPIO_InitStructure);
	GPIO_SetBits(LCD_MASTER_PORT, LCD_MASTER_NSS_PIN);

	/* PULSE_A and PULSE_B is in TIM charge */
	GPIO_InitStructure.GPIO_Pin = SIG_GEN_PULSE_A_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_Init(SIG_GEN_PULSE_A_PORT, &GPIO_InitStructure);
	GPIO_ResetBits(SIG_GEN_PULSE_A_PORT, SIG_GEN_PULSE_A_PIN);

	GPIO_InitStructure.GPIO_Pin = SIG_GEN_PULSE_B_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_Init(SIG_GEN_PULSE_B_PORT, &GPIO_InitStructure);
	GPIO_ResetBits(SIG_GEN_PULSE_B_PORT, SIG_GEN_PULSE_B_PIN);

	/* SIG IN is managered by external interrupt */
 	GPIO_InitStructure.GPIO_Pin = SIG_RECV_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	GPIO_Init(SIG_RECV_PORT, &GPIO_InitStructure);

	/* ADC for Temperature */
 	GPIO_InitStructure.GPIO_Pin = TEMPER_ADC_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
	GPIO_Init(TEMPER_ADC_PORT, &GPIO_InitStructure);

//#ifdef TESTPIN_ENABLE
//	/* Configure Other Control pins */
//	GPIO_InitStructure.GPIO_Pin = TEST_PIN_1 | TEST_PIN_2 | TEST_PIN_3;
//	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
//	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
//	GPIO_Init(TESTPIN_PORT_B, &GPIO_InitStructure);
//	TEST_PIN_1_LOW;
//	TEST_PIN_2_LOW;
//	TEST_PIN_3_LOW;
//#endif

#ifdef DEBUG
	/* UART2 for Communication */
 	GPIO_InitStructure.GPIO_Pin = UART2_TX_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_Init(UART2_TX_PORT, &GPIO_InitStructure);

 	GPIO_InitStructure.GPIO_Pin = UART2_RX_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
	GPIO_Init(UART2_RX_PORT, &GPIO_InitStructure);
#else
	/* UART2 for GPIO */
 	GPIO_InitStructure.GPIO_Pin = UART2_TX_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(UART2_TX_PORT, &GPIO_InitStructure);

 	GPIO_InitStructure.GPIO_Pin = UART2_RX_PIN;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(UART2_RX_PORT, &GPIO_InitStructure);
#endif
}

void NVIC_Configuration(void)
{
// local variables 
   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
  /* Configure the preemption priority and subpriority:
     - 1 bits for pre-emption priority: possible value are 0 or 1 
     - 3 bits for subpriority: possible value are 0..7
     - Lower values gives higher priority  
   */
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
  
  /* Enable the USART1_IRQn Interrupt */
//   NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
//   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
//   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
//   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//   NVIC_Init(&NVIC_InitStructure);

	NVIC_InitStructure.NVIC_IRQChannel = LCD_MASTER_DMA_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);

	/* Enable the TIM1_IRQn global Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = SIG_GEN_TIMER_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);

	/* Enable the TIM2_IRQn Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = SIG_DETECT_TIMER_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);

	/* Enable and set EXTI0 Interrupt to receive SIG */
	NVIC_InitStructure.NVIC_IRQChannel = SIG_RECV_EXTI_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);

#ifdef DEBUG
	NVIC_InitStructure.NVIC_IRQChannel = UART_DEBUG_DMA_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
#endif
  /* Enable the TIM2_IRQn Interrupt */
//   NVIC_InitStructure.NVIC_IRQChannel = TIMER_USER_0_IRQn;
//   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
//   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
//   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//   NVIC_Init(&NVIC_InitStructure);

  /* Enable and set EXTI0 Interrupt to the lowest priority */
//  NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
//  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
//  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
//  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//  NVIC_Init(&NVIC_InitStructure);

  /* Enable and set EXTI1 Interrupt to the lowest priority */
//   NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
//   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;
//   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
//   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//   NVIC_Init(&NVIC_InitStructure);
	
} // end NVIC_Configuration

void GLB_FreerunTIM_Initial(void)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
    /* Time Base configuration */
    TIM_TimeBaseStructure.TIM_Prescaler = GLB_FREERUN_TIMER_PRESCAL;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseStructure.TIM_Period = GLB_FREERUN_TIMER_PERIOD;
    TIM_TimeBaseStructure.TIM_ClockDivision = 0;
    TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;

    TIM_TimeBaseInit(GLB_FREERUN_TIMER, &TIM_TimeBaseStructure);
	TIM_Cmd(GLB_FREERUN_TIMER, ENABLE);
}

void memor(void *dest, const void *src, uint32_t size)
{
	register uint32_t temp_i = size;
	while (temp_i)
	{
		*((uint8_t *)dest) = *((uint8_t *)dest) | *((uint8_t *)src);
		temp_i--;
	}
}
/**
  * @}
  */ 

/**
  * @}
  */ 

/******************* (C) COPYRIGHT 2013 Zulolo *****END OF FILE****/