Engineer's LAB

 //-----------------------------------------------------------------------------
#define _SPI1_ENABLE    1

//USCIA1 for MSP430FR5739
#define _SPI1_PxSEL   P2SEL0
#define _SPI1_PxSEL1   P2SEL1
#define _SPI1_PxDIR   P2DIR
#define _SPI1_PxIN    P2IN

#define _SPI1_SIMO    BIT5
#define _SPI1_SOMI    BIT6
#define _SPI1_UCLK    BIT4

#define MY_SD746_SPI_MODE   1

#define ACCEL_CS_INIT()    Sbi(P3DIR, BIT7)
#define ACCEL_CS_ASSERT()   Cbi(P3OUT, BIT7)
#define ACCEL_CS_DEASSERT()   Sbi(P3OUT, BIT7)

#define MYSD746_SPI_INIT()   SPI1_Init();SPI1_SetMode(_SPI_MODE1)
#define ACCEL_Read     SPI1_WriteReadByte
#define ACCEL_Write     SPI1_WriteReadByte
//-----------------------------------------------------------------------------

#define _SPI1_ENABLE     1

//-----------------------------------------------------------------------------
// myAccel3LV02 HAL
#define MY_ACCEL3LV02_SPI_MODE   1
#define MY_ACCEL3LV02_I2C_MODE   0

#define ACCEL_CS_BIT     BIT0
#define ACCEL_CS_PORT     GPIO0

#define ACCEL_CS_INIT()     Sbi(*R_PAF0, GP_CFG(0));Sbi(*R_GP0ODIR, ACCEL_CS_BIT)

#define ACCEL_CS_ASSERT()    cbi(ACCEL_CS_PORT, ACCEL_CS_BIT)
#define ACCEL_CS_DEASSERT()    sbi(ACCEL_CS_PORT, ACCEL_CS_BIT)

#define ACCEL_SPI_INIT()    SPI1_Init()
#define ACCEL_Read      SPI1_WriteReadByte
#define ACCEL_Write      SPI1_WriteReadByte
//-----------------------------------------------------------------------------

int main()
{
    short data;
    unsigned int accel;
 unsigned char buf[6]={0,};
 
 SystemInit();

 Led1Init();
 Led2Init();
 Led1On();
 Led2Off();
 
 U0_Init(BAUD_38400);
 DebugPrint("ADstar EVM1\r\n");
 
 //가속도 센서 초기화
 myAccel3lvInit();
 //SPI1_SetSpeed(SPI_SPEED_4MHZ);     
 
 myAccel3lvWrite(CTRL_REG1, 0xC7);

 data = myAccel3lvRead(WHO_AM_I);
 DebugPrint("Who am I? 0x%02X\r\n", data); 
 
 InitDiaplay();
 
 while(1)
 {
        GetAccelValue(AXIS_X, &data);
       
     if(data&0x0800)accel = (data&0x7FF) -2048;
     else accel = (data&0x7FF);

        //DebugPrint("%d ", accel);
        accel = (2048+accel)/10-100;
        buf[0] = accel>>8;
  buf[1] = (accel&0xFF);

        GetAccelValue(AXIS_Y, &data);
        if(data&0x0800)accel = (data&0x7FF) -2048;
     else accel = (data&0x7FF);
        accel = (2048+accel)/10-100;
        //DebugPrint("%d\r\n", accel);
  
        buf[2] = accel>>8;
  buf[3] = (accel&0xFF);
       
  DisplayPloat(SRL_CMD_PLOTY, buf, 4);
        Delay(30);   
 }
 
 return 0;
}

    RCC_APB2PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);     
    //Configure I2C2 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;    
    GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
    GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;    
    GPIO_Init(GPIOB, &GPIO_InitStructure);

    //Connect pins to I2C peripheral
    GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_I2C1);  
    GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_I2C1);

    //I2C2 and I2C2 Periph clock enable
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);

    I2C_DeInit(I2C1);    
 
    //I2C2 configuration
    I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
    I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
    I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
    I2C_InitStructure.I2C_OwnAddress1 = 0x33;
    I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
    I2C_InitStructure.I2C_ClockSpeed = Speed;
    I2C_Cmd(I2C1, ENABLE);
    I2C_Init(I2C1, &I2C_InitStructure);
}

//-----------------------------------------------------------------------------

// myAccel3LV02 HAL

#define MY_ACCEL3LV02_SPI_MODE 0

#define MY_ACCEL3LV02_I2C_MODE 1

//#define ACCEL_CS_BIT BIT6

//#define ACCEL_CS_PORT PORTB

#define ACCEL_CS_BIT BIT11

#define ACCEL_CS_PORT PORTE

#define ACCEL_CS_INIT() RCC_APB2PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);\

GPIO_InitStructure.GPIO_Pin=ACCEL_CS_BIT;\

GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;\

GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;\

GPIO_Init(GPIOC, &GPIO_InitStructure);\

ACCEL_CS_DEASSERT()

#define ACCEL_CS_ASSERT() Cbi(ACCEL_CS_PORT, ACCEL_CS_BIT)

#define ACCEL_CS_DEASSERT() Sbi(ACCEL_CS_PORT, ACCEL_CS_BIT)

#define ACCEL_SPI_INIT() SPI0_Init()

#define ACCEL_Read SPI0_WriteReadByte

#define ACCEL_Write SPI0_WriteReadByte

#define myAccelI2C_INIT                 i2c2_init

#define myAccelI2C_START                i2c2_start

#define myAccelI2C_WRITE                i2c2_write

#define myAccelI2C_READ_NAK             i2c2_readNak

#define myAccelI2C_STOP                 i2c2_stop

//-----------------------------------------------------------------------------
//myAccel3LV02의 특정 레지스터에서 데이터를 읽어옴
unsigned char myAccel3lvRead(unsigned char reg)
{ 
 unsigned char data = 0; 
 
 myAccelI2C_START(LIS3L02_I2C_ADDR+I2C_WRITE);     // device address 및 write mode 설정
 myAccelI2C_WRITE(reg);

    // 레지스터 설정
 myAccelI2C_START(LIS3L02_I2C_ADDR+I2C_READ);       // device address 및 read mode 설정
   
 data = myAccelI2C_READ_NAK(); 
 myAccelI2C_STOP(); 

 return data;
}

//myAccel3LV02의 특정 레지스터에 데이터를 기록
void myAccel3lvWrite(unsigned char reg, unsigned char data)
{
 myAccelI2C_START(LIS3L02_I2C_ADDR+I2C_WRITE);     // device address 및 write mode 설정
 myAccelI2C_WRITE(reg);         // 레지스터 설정
 myAccelI2C_WRITE(data);        // 데이터 출력
 myAccelI2C_STOP();  
}