BMI160 Initial
Dependents: MAX32630HSP3_IMU_HelloWorld MAX32630HSP3_IMU_HelloWorld MAX32630HSP3_Pitch_Charles Maxim_Squeeks
bmi160_i2c.cpp@19:8e66f58bef44, 2018-05-04 (annotated)
- Committer:
- Emre.Eken
- Date:
- Fri May 04 13:32:36 2018 +0300
- Revision:
- 19:8e66f58bef44
- Parent:
- 9:ca6b5fecdd63
Some minor changes are done to make it be compiled by IAR. It can be still compiled by GCC, mbed online, Keil compilers and it has the same functionality with the previous revision
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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j3 | 2:598e601e5846 | 1 | /********************************************************************** |
j3 | 2:598e601e5846 | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 2:598e601e5846 | 3 | * |
j3 | 2:598e601e5846 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 2:598e601e5846 | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 2:598e601e5846 | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 2:598e601e5846 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 2:598e601e5846 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 2:598e601e5846 | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 2:598e601e5846 | 10 | * |
j3 | 2:598e601e5846 | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 2:598e601e5846 | 12 | * in all copies or substantial portions of the Software. |
j3 | 2:598e601e5846 | 13 | * |
j3 | 2:598e601e5846 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 2:598e601e5846 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 2:598e601e5846 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 2:598e601e5846 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 2:598e601e5846 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 2:598e601e5846 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 2:598e601e5846 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 2:598e601e5846 | 21 | * |
j3 | 2:598e601e5846 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 2:598e601e5846 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 2:598e601e5846 | 24 | * Products, Inc. Branding Policy. |
j3 | 2:598e601e5846 | 25 | * |
j3 | 2:598e601e5846 | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 2:598e601e5846 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 2:598e601e5846 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 2:598e601e5846 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 2:598e601e5846 | 30 | * ownership rights. |
j3 | 2:598e601e5846 | 31 | **********************************************************************/ |
j3 | 2:598e601e5846 | 32 | |
j3 | 2:598e601e5846 | 33 | |
j3 | 2:598e601e5846 | 34 | #include "bmi160.h" |
j3 | 2:598e601e5846 | 35 | |
j3 | 2:598e601e5846 | 36 | |
j3 | 2:598e601e5846 | 37 | //***************************************************************************** |
j3 | 2:598e601e5846 | 38 | BMI160_I2C::BMI160_I2C(I2C &i2cBus, uint8_t i2cAdrs) |
j3 | 2:598e601e5846 | 39 | :m_i2cBus(i2cBus), m_Wadrs(i2cAdrs << 1), m_Radrs((i2cAdrs << 1) | 1) |
j3 | 2:598e601e5846 | 40 | { |
j3 | 9:ca6b5fecdd63 | 41 | |
j3 | 2:598e601e5846 | 42 | } |
j3 | 2:598e601e5846 | 43 | |
j3 | 2:598e601e5846 | 44 | |
j3 | 2:598e601e5846 | 45 | //***************************************************************************** |
j3 | 2:598e601e5846 | 46 | int32_t BMI160_I2C::readRegister(Registers reg, uint8_t *data) |
j3 | 2:598e601e5846 | 47 | { |
j3 | 2:598e601e5846 | 48 | int32_t rtnVal = -1; |
j3 | 2:598e601e5846 | 49 | char packet[] = {static_cast<char>(reg)}; |
j3 | 2:598e601e5846 | 50 | |
j3 | 2:598e601e5846 | 51 | if(m_i2cBus.write(m_Wadrs, packet, 1) == 0) |
j3 | 2:598e601e5846 | 52 | { |
j3 | 2:598e601e5846 | 53 | rtnVal = m_i2cBus.read(m_Radrs, reinterpret_cast<char *>(data), 1); |
j3 | 2:598e601e5846 | 54 | } |
j3 | 2:598e601e5846 | 55 | |
j3 | 2:598e601e5846 | 56 | return rtnVal; |
j3 | 2:598e601e5846 | 57 | } |
j3 | 2:598e601e5846 | 58 | |
j3 | 2:598e601e5846 | 59 | |
j3 | 2:598e601e5846 | 60 | //***************************************************************************** |
j3 | 2:598e601e5846 | 61 | int32_t BMI160_I2C::writeRegister(Registers reg, const uint8_t data) |
j3 | 2:598e601e5846 | 62 | { |
j3 | 2:598e601e5846 | 63 | char packet[] = {static_cast<char>(reg), static_cast<char>(data)}; |
j3 | 2:598e601e5846 | 64 | |
j3 | 2:598e601e5846 | 65 | return m_i2cBus.write(m_Wadrs, packet, sizeof(packet)); |
j3 | 2:598e601e5846 | 66 | } |
j3 | 2:598e601e5846 | 67 | |
j3 | 2:598e601e5846 | 68 | |
j3 | 2:598e601e5846 | 69 | //***************************************************************************** |
j3 | 3:e1770675eca4 | 70 | int32_t BMI160_I2C::readBlock(Registers startReg, Registers stopReg, |
j3 | 3:e1770675eca4 | 71 | uint8_t *data) |
j3 | 2:598e601e5846 | 72 | { |
j3 | 2:598e601e5846 | 73 | int32_t rtnVal = -1; |
j3 | 2:598e601e5846 | 74 | int32_t numBytes = ((stopReg - startReg) + 1); |
j3 | 2:598e601e5846 | 75 | char packet[] = {static_cast<char>(startReg)}; |
j3 | 2:598e601e5846 | 76 | |
j3 | 2:598e601e5846 | 77 | if(m_i2cBus.write(m_Wadrs, packet, 1) == 0) |
j3 | 2:598e601e5846 | 78 | { |
j3 | 2:598e601e5846 | 79 | rtnVal = m_i2cBus.read(m_Radrs, reinterpret_cast<char *>(data), numBytes); |
j3 | 2:598e601e5846 | 80 | } |
j3 | 2:598e601e5846 | 81 | |
j3 | 2:598e601e5846 | 82 | return rtnVal; |
j3 | 2:598e601e5846 | 83 | } |
j3 | 2:598e601e5846 | 84 | |
j3 | 2:598e601e5846 | 85 | |
j3 | 2:598e601e5846 | 86 | //***************************************************************************** |
j3 | 3:e1770675eca4 | 87 | int32_t BMI160_I2C::writeBlock(Registers startReg, Registers stopReg, |
j3 | 3:e1770675eca4 | 88 | const uint8_t *data) |
j3 | 2:598e601e5846 | 89 | { |
j3 | 2:598e601e5846 | 90 | int32_t numBytes = ((stopReg - startReg) + 1); |
Emre.Eken | 19:8e66f58bef44 | 91 | char packet[32]; |
j3 | 2:598e601e5846 | 92 | |
j3 | 2:598e601e5846 | 93 | packet[0] = static_cast<char>(startReg); |
j3 | 2:598e601e5846 | 94 | |
j3 | 2:598e601e5846 | 95 | memcpy(packet + 1, data, numBytes); |
j3 | 2:598e601e5846 | 96 | |
Emre.Eken | 19:8e66f58bef44 | 97 | return m_i2cBus.write(m_Wadrs, packet, (numBytes+1) * sizeof(char)); |
j3 | 2:598e601e5846 | 98 | } |