![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
Example
Dependencies: mbed BMI160 max32630fthr
main.cpp
- Committer:
- j3
- Date:
- 2016-12-07
- Revision:
- 0:0db9a7ed2e63
- Child:
- 1:a3fa54415b4e
File content as of revision 0:0db9a7ed2e63:
/********************************************************************** * 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 "SDFileSystem.h" #include "max32630fthr.h" #include "mbed-dev/targets/TARGET_Maxim/TARGET_MAX32630/mxc/adc.h" #include "mbed-dev/targets/TARGET_Maxim/TARGET_MAX32630/mxc/mxc_errors.h" #include "bmi160.h" void dumpPmicRegisters(MAX32630FTHR &pegasus); int readBatteryRaw(uint16_t *data); float getBatteryVolts(uint16_t data); void dumpImuRegisters(BMI160 &imu); void printRegister(BMI160 &imu, BMI160::Registers reg); void printBlock(BMI160 &imu, BMI160::Registers startReg, BMI160::Registers stopReg, uint8_t *buff); int main() { MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); pegasus.init(); //connect battery to monitor pin AIN_0 pegasus.max14690.monSet(MAX14690::MON_BAT, MAX14690::MON_DIV1); dumpPmicRegisters(pegasus); DigitalOut rLED(LED1, LED_OFF); DigitalOut gLED(LED2, LED_OFF); DigitalOut bLED(LED3, LED_ON); BMI160 imu(pegasus.i2c, BMI160::I2C_ADRS_SDO_LO); dumpImuRegisters(imu); uint16_t battRawData; uint32_t loopCnt = 0; while(1) { if(loopCnt == 0) { if(readBatteryRaw(&battRawData) == E_NO_ERROR) { printf("Battery voltage = %05.3f\n\n", getBatteryVolts(battRawData)); } else { printf("Battery voltage = Overflow\n\n"); } } wait(1.0); bLED = !bLED; loopCnt++; if(loopCnt >= 15) { loopCnt = 0; } } } //***************************************************************************** void dumpPmicRegisters(MAX32630FTHR &pegasus) { char reg_val[32]; size_t len = sizeof(reg_val); if(pegasus.max14690.readAllReg(reg_val, len) == 0) { for(uint8_t idx = 0; idx < len; idx++) { printf("PMIC Register 0x%02x = 0x%02x\n", idx, reg_val[idx]); } printf("\n"); } else { printf("Failed to read PMIC registers\n\n"); } } //***************************************************************************** void dumpImuRegisters(BMI160 &imu) { //dumps registers defined by datasheet uint8_t buff[0x30]; printRegister(imu, BMI160::CHIP_ID); printBlock(imu, BMI160::ERR_REG,BMI160::FIFO_DATA, buff); printBlock(imu, BMI160::ACC_CONF, BMI160::FIFO_CONFIG_1, buff); printBlock(imu, BMI160::MAG_IF_0, BMI160::SELF_TEST, buff); printBlock(imu, BMI160::NV_CONF, BMI160::STEP_CONF_1, buff); printRegister(imu, BMI160::CMD); printf("\n"); } //***************************************************************************** void printRegister(BMI160 &imu, BMI160::Registers reg) { uint8_t data; if(imu.readRegister(reg, &data) == BMI160::NO_ERROR) { printf("IMU Register 0x%02x = 0x%02x\n", reg, data); } else { printf("Failed to read register\n"); } } //***************************************************************************** void printBlock(BMI160 &imu, BMI160::Registers startReg, BMI160::Registers stopReg, uint8_t *buff) { uint8_t numBytes = ((stopReg - startReg) + 1); uint8_t offset = static_cast<uint8_t>(startReg); if(imu.readBlock(startReg, stopReg, buff) == BMI160::NO_ERROR) { for(uint8_t idx = offset; idx < (numBytes + offset); idx++) { printf("IMU Register 0x%02x = 0x%02x\n", idx, buff[idx - offset]); } } else { printf("Failed to read block\n"); } } //***************************************************************************** int readBatteryRaw(uint16_t *data) { static bool init = false; int rtnVal = E_NULL_PTR; if(!init) { if(ADC_Init() == E_NO_ERROR) { init = true; } } if(init) { ADC_StartConvert(ADC_CH_0_DIV_5, 1, 0); rtnVal = ADC_GetData(data); } return rtnVal; } //***************************************************************************** float getBatteryVolts(uint16_t data) { return((((0x03FF & data) * 6.0F)/1023.0F)); }