Impact Sensor

[FONT=Courier New][SIZE=3]/**********************************************************************
* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
**********************************************************************/


#include "mbed.h"
#include "max32630fthr.h"
#include "bmi160.h"
#include "SDFileSystem.h"


void dumpImuRegisters(BMI160 &imu);
void printRegister(BMI160 &imu, BMI160::Registers reg);
void printBlock(BMI160 &imu, BMI160::Registers startReg, BMI160::Registers stopReg);

void printData(BMI160::SensorData &accData, BMI160::SensorData &gyroData, BMI160::SensorTime &sensorTime, BMI160::AccRange accRange, BMI160::GyroRange gyroRange, float imuTemperature);
void saveData(BMI160::SensorData &accData, BMI160::SensorData &gyroData, BMI160::SensorTime &sensorTime, BMI160::AccRange accRange, BMI160::GyroRange gyroRange, float imuTemperature);

//Setup start/stop button
DigitalIn selectMenuBtn(P2_3, PullUp);
InterruptIn selectMenu(P2_3);
int iCase = 0;
bool save = false;
bool console = false;
bool debug = false;

void selectMenuISR()
{
    iCase++;
    if(iCase == 6){
        iCase = 0;
    }

    //Thread::wait(500);
    wait_ms(100);
}

int main()
{
    MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
 
    DigitalOut rLED(LED1, LED_OFF);
    DigitalOut gLED(LED2, LED_OFF);
    DigitalOut bLED(LED3, LED_OFF);
 
    I2C i2cBus(P5_7, P6_0);
    i2cBus.frequency(400000);
    BMI160_I2C imu(i2cBus, BMI160_I2C::I2C_ADRS_SDO_LO);
 
    printf("\033[H");  //home
    printf("\033[0J");  //erase from cursor to end of screen
 
    uint32_t failures = 0;
 
    if(imu.setSensorPowerMode(BMI160::GYRO, BMI160::NORMAL) != BMI160::RTN_NO_ERROR)
    {
        printf("Failed to set gyroscope power mode\n\r");
        failures++;
    }
    wait_ms(100);
 
    if(imu.setSensorPowerMode(BMI160::ACC, BMI160::NORMAL) != BMI160::RTN_NO_ERROR)
    {
        printf("Failed to set accelerometer power mode\n\r");
        failures++;
    }
    wait_ms(100);
 
 
    BMI160::AccConfig accConfig;
    //example of using getSensorConfig
    if(imu.getSensorConfig(accConfig) == BMI160::RTN_NO_ERROR)
    {
        printf("ACC Range = %d\n\r", accConfig.range);
        printf("ACC UnderSampling = %d\n\r", accConfig.us);
        printf("ACC BandWidthParam = %d\n\r", accConfig.bwp);
        printf("ACC OutputDataRate = %d\n\r\n\r", accConfig.odr);
    }
    else
    {
        printf("Failed to get accelerometer configuration\n\r");
        failures++;
    }
 
    //example of setting user defined configuration
    accConfig.range = BMI160::SENS_4G;
    accConfig.us = BMI160::ACC_US_OFF;
    accConfig.bwp = BMI160::ACC_BWP_2;
    accConfig.odr = BMI160::ACC_ODR_8;
    if(imu.setSensorConfig(accConfig) == BMI160::RTN_NO_ERROR)
    {
        printf("ACC Range = %d\n\r", accConfig.range);
        printf("ACC UnderSampling = %d\n\r", accConfig.us);
        printf("ACC BandWidthParam = %d\n\r", accConfig.bwp);
        printf("ACC OutputDataRate = %d\n\r\n\r", accConfig.odr);
    }
    else
    {
        printf("Failed to set accelerometer configuration\n\r");
        failures++;
    }
 
    BMI160::GyroConfig gyroConfig;
    if(imu.getSensorConfig(gyroConfig) == BMI160::RTN_NO_ERROR)
    {
        printf("GYRO Range = %d\n\r", gyroConfig.range);
        printf("GYRO BandWidthParam = %d\n\r", gyroConfig.bwp);
        printf("GYRO OutputDataRate = %d\n\r\n\r", gyroConfig.odr);
    }
    else
    {
        printf("Failed to get gyroscope configuration\n\r");
        failures++;
    }
 
    wait(1.0);
//    printf("\033[H");  //home
    printf("\033[0J");  //erase from cursor to end of screen

    selectMenu.fall(&selectMenuISR);
 
    if(failures == 0)
    {
        float imuTemperature;
        BMI160::SensorData accData;
        BMI160::SensorData gyroData;
        BMI160::SensorTime sensorTime;
     
        while(1)
        {
            switch(iCase){
            case 1:
                rLED = LED_ON;
                gLED = LED_OFF;
                bLED = LED_OFF;
                console = false;
                save = false;
                debug = false;
                break;
            case 2:
                rLED = LED_ON;
                gLED = LED_ON;
                bLED = LED_OFF;
                console = true;
                save = false;
                debug = false;
                break;
            case 3:
                rLED = LED_OFF;
                gLED = LED_ON;
                bLED = LED_OFF;
                console = false;
                save = true;
                debug = false;
                break;
            case 4:
                rLED = LED_OFF;
                gLED = LED_ON;
                bLED = LED_ON;
                console = true;
                save = true;
                debug = false;
                break;
            case 5:
                rLED = LED_OFF;
                gLED = LED_OFF;
                bLED = LED_ON;
                console = true;
                save = true;
                debug = true;
                break;
            case 6:
                rLED = LED_ON;
                gLED = LED_OFF;
                bLED = LED_ON;
                break;              
            default:
                rLED = LED_OFF;
                gLED = LED_OFF;
                bLED = LED_OFF;
                console = false;
                save = false;
                debug = false;
                printf("\033[H");
                printf("\033[0J");
                break;
        }
            imu.getGyroAccXYZandSensorTime(accData, gyroData, sensorTime, accConfig.range, gyroConfig.range);
            imu.getTemperature(&imuTemperature);  
            //if ((accData.xAxis.scaled >= 1)|(accData.yAxis.scaled >= 1)|(accData.zAxis.scaled >= 1)){      
                if (console == true)
                    printData(accData, gyroData, sensorTime, accConfig.range, gyroConfig.range, imuTemperature);
                if (save == true)
                    saveData(accData, gyroData, sensorTime, accConfig.range, gyroConfig.range, imuTemperature);
                if (debug == true)
                    dumpImuRegisters(imu);
            //}
            //gLED = !gLED;
            //rLED = !rLED;
            //bLED = !bLED;
         
        }
    }
    else
    {
        while(1)
        {
            rLED = !rLED;
            wait(0.25);
        }
    }
}


//*****************************************************************************
void dumpImuRegisters(BMI160 &imu)
{
    printRegister(imu, BMI160::CHIP_ID);
    printBlock(imu, BMI160::ERR_REG,BMI160::FIFO_DATA);
    printBlock(imu, BMI160::ACC_CONF, BMI160::FIFO_CONFIG_1);
    printBlock(imu, BMI160::MAG_IF_0, BMI160::SELF_TEST);
    printBlock(imu, BMI160::NV_CONF, BMI160::STEP_CONF_1);
    printRegister(imu, BMI160::CMD);
    printf("\n\r");
}

//*****************************************************************************
void printBlock(BMI160 &imu, BMI160::Registers startReg, BMI160::Registers stopReg)
{
    uint8_t numBytes = ((stopReg - startReg) + 1);
    uint8_t buff[numBytes];
    uint8_t offset = static_cast<uint8_t>(startReg);
 
    if(imu.readBlock(startReg, stopReg, buff) == BMI160::RTN_NO_ERROR)
    {
        for(uint8_t idx = offset; idx < (numBytes + offset); idx++)
        {
            printf("IMU Register 0x%02x = 0x%02x\n\r", idx, buff[idx - offset]);
        }
    }
    else
    {
        printf("Failed to read block\n\r");
    }
}
//*****************************************************************************
void printRegister(BMI160 &imu, BMI160::Registers reg)
{
    uint8_t data;
    if(imu.readRegister(reg, &data) == BMI160::RTN_NO_ERROR)
    {
        printf("IMU Register 0x%02x = 0x%02x\n\r", reg, data);
    }
    else
    {
        printf("Failed to read register\n\r");
    }
}
//*****************************************************************************
void printData(BMI160::SensorData &accData, BMI160::SensorData &gyroData, BMI160::SensorTime &sensorTime, BMI160::AccRange accRange, BMI160::GyroRange gyroRange, float imuTemperature)
{
    //printf("\033[H");
    //printf("\033[0J");
    printf("ACC xAxis = %s%4.3f\n\r", "\033[K", accData.xAxis.scaled);
    printf("ACC yAxis = %s%4.3f\n\r", "\033[K", accData.yAxis.scaled);
    printf("ACC zAxis = %s%4.3f\n\n\r", "\033[K", accData.zAxis.scaled);
 
    printf("GYRO xAxis = %s%5.1f\n\r", "\033[K", gyroData.xAxis.scaled);
    printf("GYRO yAxis = %s%5.1f\n\r", "\033[K", gyroData.yAxis.scaled);
    printf("GYRO zAxis = %s%5.1f\n\n\r", "\033[K", gyroData.zAxis.scaled);
 
    printf("Sensor Time = %s%f\n\r", "\033[K", sensorTime.seconds);
    printf("Sensor Temperature = %s%5.3f\n\r", "\033[K", imuTemperature);
 
    printf("\033[15;1H");
    //printf("\033[H");  //home
}
 
void saveData(BMI160::SensorData &accData, BMI160::SensorData &gyroData, BMI160::SensorTime &sensorTime, BMI160::AccRange accRange, BMI160::GyroRange gyroRange, float imuTemperature)
{
    SDFileSystem sd(P0_5, P0_6, P0_4, P0_7, "sd");  // mosi, miso, sclk, cs
    FILE *fp;
 
    fp = fopen("/sd/impact.txt", "a");
    if(fp != NULL)
    {
        fprintf(fp, "%f\t%5.3f\t%4.3f\t%4.3f\t%4.3f\t%5.1f\t%5.1f\t%5.1f\n\r",sensorTime.seconds, imuTemperature, accData.xAxis.scaled, accData.yAxis.scaled, accData.zAxis.scaled, gyroData.xAxis.scaled, gyroData.yAxis.scaled, gyroData.zAxis.scaled);
        //fprintf(fp, "\n");
        fclose(fp);
    }
    else
    {
        printf("\033[H");
        printf("\033[0J");
        printf("Failed to open file\t");
    }
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