main_archive.c

STM32F RFID通讯源代码（支持双向发送接收）

  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  // Enable I2C2 event interrupt
  // I2C_ITConfig(I2C1, I2C_IT_EVT | I2C_IT_BUF, ENABLE);

  // I2C1 Init
  I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
  I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
  I2C_InitStructure.I2C_OwnAddress1 = LIS_ADDRESS;
  I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
  I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
  I2C_InitStructure.I2C_ClockSpeed = 100000;
  I2C_Init(I2C1, &I2C_InitStructure);

  // Enable I2C
  I2C_Cmd(I2C1, ENABLE);

  // Send I2C1 START condition
  I2C_GenerateSTART(I2C1, ENABLE);

  // Recuire acknowledge
  I2C_AcknowledgeConfig(I2C1, ENABLE);

  // Send Address and Cmd for read/write
  I2C_SendData(I2C1, LIS_ADDRESS + CMD_WRITE);

  // Wait for acknowledge
  while(I2C_GetFlagStatus(I2C1, I2C_FLAG_AF)==SET) {
    I2C_ClearFlag(I2C1, I2C_FLAG_AF);
  }
  // Recuire acknowledge
  I2C_AcknowledgeConfig(I2C1, ENABLE);
  // Send Address and Cmd for read/write
  I2C_SendData(I2C1, REG_WHO_AM_I);
  // Wait for acknoledge
  while(I2C_GetFlagStatus(I2C1, I2C_FLAG_AF)==SET) {
    I2C_ClearFlag(I2C1, I2C_FLAG_AF);
  }
  // Send I2C1 START condition
  I2C_GenerateSTART(I2C1, ENABLE);
    // Send Address and Cmd for read/write
  I2C_SendData(I2C1, LIS_ADDRESS + CMD_READ);
  // Wait for acknoledge
  while(I2C_GetFlagStatus(I2C1, I2C_FLAG_AF)==SET) {
    I2C_ClearFlag(I2C1, I2C_FLAG_AF);
  }
  value = I2C_ReceiveData(I2C1);
  // Recuire acknowledge
  I2C_AcknowledgeConfig(I2C1, DISABLE);
  // Send I2C1 STOP condition
  I2C_GenerateSTOP(I2C1, ENABLE);
*/

/*
  //StartBit
  while (I2C1->SR1 & SR1_BUSY);
  if (!I2C_StartBit())
    return;

  //Send bytes: SLAVE_ADDR + WRITE_FLAG, REG_ADDR
  if (!I2C_SendByte(*(pBuffer+0)))
    return;
  if (!I2C_SendByte(*(pBuffer+1)))
    return;

  //Repeat StartBit
  if (!I2C_StartBit())
    return;

  //Send byte: SLAVE_ADDR + READ_FLAG
  I2C->DR = *(pBuffer+2);
  while (!(I2C->SR1 & SR1_EVF));
  I2C->CR |= CR_ACK;

  if (!I2C_TestErr())
    return;

  while (!(I2C->SR1 & SR1_BTF));

  //ReceiveBytes, when finish generate StopBit
  for (i=3;i<=NoOfBytes;i++)
  {
    while (!(I2C->SR1 & SR1_EVF));

    if (i < (NoOfBytes-1))
      I2C->CR |= CR_ACK;

    if (i == (NoOfBytes-1))
      I2C->CR &= ~CR_ACK;

    if (i > (NoOfBytes-1))
      I2C->CR |= CR_STOP;

    if (!I2C_TestErr())
      return;

    while (!(I2C->SR1 & SR1_BTF));

    if (i <= (NoOfBytes-1))
      *(pBuffer+i) = I2C->DR;
    else
      (void)I2C->DR;
  }
*/

  // while(1);


  // LCD init
  LCDInit();
  LCDContrast(0x45);

  LCDClear();
  LCDStr ( 0, "   Walcome to ", 0 );
  LCDStr ( 1, " STM32F103-STK", 0 );
  LCDStr ( 2, "  development ", 0 );
  LCDStr ( 3, "     board    ", 0 );
  LCDStr ( 5, "www.olimex.com", 1 );
  LCDUpdate();

  // Delay :-)
  for(dly=0; dly<5000000; dly++);

label1:

  // Init joystick
  InitJoystick();
  // Draw menue
  UpdateMenu(MenuPos);

  while(1) {
    JoyPos = GetJoystickPosition();

    if(JoyPos==KEY_UP) {
      MenuPos--;
      if((MenuPos<1)) MenuPos = 1;
      UpdateMenu(MenuPos);
      for(dly=0; dly<700000; dly++);
    }

    if(JoyPos==KEY_DOWN) {
      MenuPos++;
      if((MenuPos>8)) MenuPos = 8;
      UpdateMenu(MenuPos);
      for(dly=0; dly<700000; dly++);
    }

    if(JoyPos==KEY_CENTER) break;

  }

  // Test MMC ------------------------------------------------------------------
  if(MenuPos == 1) {
    test_state = TestMMC();
    if(test_state == 1) {
      LCDClear();
      LCDStr ( 0, " Test MMC card", 0 );
      LCDStr ( 1, "   SUCCESS!!! ", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }
    else if (test_state == 2) {
      LCDClear();
      LCDStr ( 0, "  MMC card is ", 0 );
      LCDStr ( 1, "  protected!!!", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }
    else if (test_state == 3) {
      LCDClear();
      LCDStr ( 0, "  MMC card is ", 0 );
      LCDStr ( 1, "not present!!!", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }
    else {
      LCDClear();
      LCDStr ( 0, " Test MMC card", 0 );
      LCDStr ( 1, "   FAILED!!!  ", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET);
    goto label1;
  }

  // Test Audio ----------------------------------------------------------------
  if(MenuPos == 2) {

    // WAKE UP
    GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_0;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);


    LCDClear();
    LCDStr ( 0, "  Audio test  ", 0 );
    LCDStr ( 1, "The device is ", 0 );
    LCDStr ( 2, " STANBY, pls  ", 0 );
    LCDStr ( 3, "press WAKE-UP ", 0 );
    LCDStr ( 5, "exit          ", 0 );
    LCDUpdate();

    while(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) == Bit_RESET);

    // Set STNBY pin
    GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    // Chip on
    GPIO_WriteBit(GPIOC, GPIO_Pin_3, Bit_RESET);

    // Microphone and headphone
    ADCInit();
    InitPWM();

    // Enable interrupts
    __enable_interrupt();

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET) {

      if((TIM1->SR)&(0x1)) {

        // clear flag
        TIM1->SR &= ~0x1;

        if((jjj++)==3) {

          jjj = 0;

          ADCValue = GetADCChanel(ADC_Channel_1);
          ADCValue>>=2;
          SetDutyPeriod(ADCValue);
        }
      }
    }
    goto label1;
  }

  // Test RTC ------------------------------------------------------------------
  if(MenuPos == 3) {
    RTCInit();

    LCDClear();
    LCDStr ( 0, "   RTC Test   ", 0 );
    LCDStr ( 1, "STAT led have ", 0 );
    LCDStr ( 2, "to blink every", 0 );
    LCDStr ( 3, "    second    ", 0 );
    LCDStr ( 5, "exit          ", 0 );
    LCDUpdate();

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET);
    // Disable RTC
    RCC_RTCCLKCmd(DISABLE);
    // TURN OFF led
    GPIOC->BSRR |= 0x00001000;
    // restart :-)
    goto label1;
  }


  // Test NRF ------------------------------------------------------------------
  if(MenuPos == 4) {

    LCDClear();
    LCDStr ( 0, "   Test NRF   ", 0 );
    LCDStr ( 1, " press WAKE-UP", 0 );
    LCDStr ( 2, " send/receive ", 0 );
    LCDStr ( 3, "   one byte   ", 0 );
    LCDUpdate();

    while(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)==Bit_RESET);

        // RESET LCD
    GPIO_WriteBit(GPIOC, GPIO_Pin_10, Bit_SET);

    nRFSetting();

    // B1 as input
    GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_13;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET) {
        TestNRF();
    }
    goto label1;
  }

  // Test USB ------------------------------------------------------------------
  if(MenuPos == 5) {

    LCDClear();
    LCDStr ( 0, "   Test USB   ", 0 );
    LCDStr ( 1, "  connect usb ", 0 );
    LCDStr ( 2, "    cable     ", 0 );
    LCDStr ( 5, "exit          ", 0 );
    LCDUpdate();

    USBSettings();

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET) {

      if((UsbCoreReq(UsbCoreReqDevState)==UsbDevStatusConfigured)&&(UsbCoreReq(UsbCoreReqDevSusState)==0)) {
        LCDClear();
        LCDStr ( 0, "   Test USB   ", 0 );
        LCDStr ( 1, "  SUCCESS!!!  ", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }
    }
    goto label1;
  }

  // Test MMA--------------------------------------------------------
  if(MenuPos == 6) {

  }

  // Test Extension Port--------------------------------------------------------
  if(MenuPos == 7) {
    LCDClear();
    LCDStr ( 0, "   Test EXT   ", 0 );
    LCDStr ( 1, " Pls, put EXTs", 0 );
    LCDStr ( 2, " and press B1 ", 0 );
    LCDStr ( 5, "exit          ", 0 );
    LCDUpdate();

    if(TestEXT()) {
      LCDClear();
      LCDStr ( 0, "   Test EXT   ", 0 );
      LCDStr ( 1, "  SUCCESS!!!  ", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }
    else {
      LCDClear();
      LCDStr ( 0, "   Test EXT   ", 0 );
      LCDStr ( 1, "   FAILED!!!  ", 0 );
      LCDStr ( 5, "exit          ", 0 );
      LCDUpdate();
    }

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET);
    goto label1;
  }


  // Test Joystick and Button --------------------------------------------------
  if(MenuPos == 8) {

    while(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13) == Bit_RESET) {
      JoyPos = GetJoystickPosition();

      if(JoyPos==KEY_UP) {
        LCDClear();
        LCDStr ( 0, "      UP      ", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }

      if(JoyPos==KEY_DOWN) {
        LCDClear();
        LCDStr ( 4, "     DOWN     ", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }

      if(JoyPos==KEY_LEFT) {
        LCDClear();
        LCDStr ( 2, "LEFT          ", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }

      if(JoyPos==KEY_RIGHT) {
        LCDClear();
        LCDStr ( 2, "         RIGHT", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }

      if(JoyPos==KEY_CENTER) {
        LCDClear();
        LCDStr ( 2, "    CENTER    ", 0 );
        LCDStr ( 5, "exit          ", 0 );
        LCDUpdate();
      }
    }
    goto label1;
  }
}

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