龙丘科技mma7455资料

/****************************************************************************** * 龙丘MMA7455三轴加速度模块 CodeWarror:6.2 编写:龙丘 Designed by Chiu Sir E-mail:[email protected] 软件版本:V1.0 最后更新:2010年10月12日 相关信息参考下列地址: 网站: http://www.lqist.cn 淘宝店:http://shop36265907.taobao.com * ***************************************************************************//*! * * @file main.c * * @author longqiu * * @version 2.0.0.1 * * @date Oct-12-2010 * * @brief ION (MMA7455L) - Ion MMA7455L in Measure mode (using SPI or IIC) * ******************************************************************************* * * * ******************************************************************************/ #include "derivative.h" /* include peripheral declarations */ #include "doonstack.h" #include "main.h" #include "my_types.h" #include "mcu_init.h" #include "sw_spi.h" #include "sw_iic.h" #include "sci.h" #pragma DATA_SEG SHORT _DATA_ZEROPAGE byte n; byte X,Y,Z; //Ion MMA7455L acceleration data (8Bits) byte ion_reg[32]; //Array to read content of Ion MMA7455L registers signed int calib[3]; byte mode = ION_MEASURE; byte iic_active = 1; //IIC (select "1") or SPI (select "0") void (*p_Ion_InitInterface)(void) = SwIIC_Init; byte (*p_Ion_ReadByte)(byte) = SwIIC_ReadByte; void (*p_Ion_WriteByte)(byte, byte) = SwIIC_WriteByte; void (*p_Ion_MultiReadBytes)(byte, byte*, byte) = SwIIC_MultiReadBytes; #pragma DATA_SEG DEFAULT READ_REGXOUTL ReadRegXOUTL; //Review XOUTL in Real-Time Debugger READ_REGXOUTH ReadRegXOUTH; //Review XOUTH in Real-Time Debugger READ_REGYOUTL ReadRegYOUTL; //Review YOUTL in Real-Time Debugger READ_REGYOUTH ReadRegYOUTH; //Review YOUTH in Real-Time Debugger READ_REGZOUTL ReadRegZOUTL; //Review ZOUTL in Real-Time Debugger READ_REGZOUTH ReadRegZOUTH; //Review ZOUTH in Real-Time Debugger READ_REGXOUT8 ReadRegXOUT8; //Review XOUT8 in Real-Time Debugger READ_REGYOUT8 ReadRegYOUT8; //Review YOUT8 in Real-Time Debugger READ_REGZOUT8 ReadRegZOUT8; //Review ZOUT8 in Real-Time Debugger READ_REGSTATUS ReadRegSTATUS; //Review STATUS in Real-Time Debugger READ_REGDETSR ReadRegDETSRC; //Review DETSRC in Real-Time Debugger READ_REGTOUT ReadRegTOUT; //Review TOUT in Real-Time Debugger READ_REGRESERVED1 ReadRegRESERVED1; //Review RESERVED1 in Real-Time Debugger READ_REGI2CAD ReadRegI2CAD; //Review I2CAD in Real-Time Debugger READ_REGUSRINF ReadRegUSRINF; //Review USRINF in Real-Time Debugger READ_REGWHOAMI ReadRegWHOAMI; //Review WHOAMI in Real-Time Debugger READ_REGXOFFL ReadRegXOFFL; //Review XOFFL in Real-Time Debugger READ_REGXOFFH ReadRegXOFFH; //Review XOFFH in Real-Time Debugger READ_REGYOFFL ReadRegYOFFL; //Review YOFFL in Real-Time Debugger READ_REGYOFFH ReadRegYOFFH; //Review YOFFH in Real-Time Debugger READ_REGZOFFL ReadRegZOFFL; //Review ZOFFL in Real-Time Debugger READ_REGZOFFH ReadRegZOFFH; //Review ZOFFH in Real-Time Debugger READ_REGINTRST ReadRegINTRST; //Review INTRST in Real-Time Debugger READ_REGMCTL ReadRegMCTL; //Review MCTL in Real-Time Debugger READ_REGCTL1 ReadRegCTL1; //Review CTL1 in Real-Time Debugger READ_REGCTL2 ReadRegCTL2; //Review CTL2 in Real-Time Debugger READ_REGLDTH ReadRegLDTH; //Review LDTH in Real-Time Debugger READ_REGPDTH ReadRegPDTH; //Review PDTH in Real-Time Debugger READ_REGPW ReadRegPW; //Review PW in Real-Time Debugger READ_REGLT ReadRegLT; //Review LT in Real-Time Debugger READ_REGTW ReadRegTW; //Review TW in Real-Time Debugger READ_REGRESERVED2 ReadRegRESERVED2; //Review RESERVED2 in Real-Time Debugger #pragma CONST_SEG EEPROM const signed int calib_eeprom[3]; /************************************************************** * Function: Dummy_Pointer * Parameters: dummy pointer to void * Return: None * * Note: Dummy function * (SPI does not allow multiple write/read) **************************************************************/ #pragma MESSAGE DISABLE C5703 /* * Warning C5703: Not used declared parameter */ void Dummy_Pointer(byte dum1, void *dummy, byte dum2) { } /************************************************************** * Function: CheckButt0 * Parameters: None * Return: None * * Note: Specific routine execution if button pressed **************************************************************/ void CheckButt0(void) { static byte last_st = 0; if(BUTTON0 != last_st) { if(BUTTON0 == 0) { LED1_OFF; Delay_Xms(200); LED1_ON; Set_SelfTest(); //Specific routine } } last_st = BUTTON0; } /************************************************************** * Function: CheckButt1 * Parameters: None * Return: None * * Note: Specific routine execution if button pressed **************************************************************/ void CheckButt1(void) { static byte last_st = 0; if(BUTTON1 != last_st) { if(BUTTON1 == 0) { LED2_OFF; Delay_Xms(200); LED2_ON; Clear_SelfTest(); ReadAllIonRegisters(); //Specific routine } } last_st = BUTTON1; } /************************************************************** * Function: CheckButt2 * Parameters: None * Return: None * * Note: Specific routine execution if button pressed **************************************************************/ void CheckButt2(void) { static byte last_st = 0; if(BUTTON2 != last_st) { if(BUTTON2 == 0) { LED3_OFF; Delay_Xms(200); LED3_ON; SetUp_ModeOfSensorIon(ION_G8); //Specific routine } } last_st = BUTTON2; } /************************************************************** * Function: CheckButt3 * Parameters: None * Return: None * * Note: Specific routine execution if button pressed **************************************************************/ void CheckButt3(void) { static byte last_st = 0; if(BUTTON3 != last_st) { if(BUTTON3 == 0) { LED4_OFF; Delay_Xms(200); LED4_ON; SetUp_ModeOfSensorIon(ION_G2); //Specific routine } } last_st = BUTTON3; } /************************************************************** * Function: main * Parameters: None * Return: None * * Note: Interface with Ion (MMA7455L) using SPI or IIC * and transfer data in SCI **************************************************************/ void main(void) { //MCU init MCU_Init(); //SCI init SCI_Init(); INIT_LED_MACRO INIT_BUTTONS_MACRO Delay_Xms(50); LED1_ON; //ION init ION_DVDD_INIT; ION_AVDD_INIT; ION_DVDD_ON; ION_AVDD_ON; Delay_Xms(50); LED2_ON; // Select IIC or SPI communication Change_SensorInterface(); // Init Ion (measure mode 2g range selected) Init_SensorIon(); Delay_Xms(50); LED3_ON; // Initialization flash memory (store calibration data) FCDIV = FCDIV_PRDIV8_MASK | (10 & FCDIV_DIV_MASK); // Load previous calibration data (Ion MMA7455L does not keep calibration data) for(n=0;n<3;n++) { p_Ion_WriteByte(XOFFL + n*2,