Library for MAXREFDES131 OneWire GridEYE sensor interface
Dependents: MAXREFDES131_Qt_Demo MAXREFDES130_131_Demo
Diff: OWGridEye.cpp
- Revision:
- 1:9e457e35e2e3
- Child:
- 2:b10e7a2961ab
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OWGridEye.cpp Sat Apr 30 01:27:34 2016 +0000 @@ -0,0 +1,241 @@ +/********************************************************************** +* 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 "OWGridEye.h" +#include "grideye_api_lv1.h" +#include "grideye_api_lv2.h" +#include "grideye_api_lv3.h" + + +//********************************************************************* +OWGridEye::OWGridEye(OneWireMaster & owm, RomId & ds2413Rom) +: _owm(owm), _sw_rom(ds2413Rom) +{ +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::disconnectGridEye(void) +{ + OWGridEye::CmdResult result = OWGridEye::OpFailure; + Ds2413 ow_switch(_owm); + uint8_t pio_state; + + Ds2413::CmdResult sw_result = ow_switch.pio_access_read_chB(_sw_rom, pio_state); + if(sw_result == Ds2413::Success) + { + //if high take low, falling edge puts bridge and sensor to sleep + if(pio_state) + { + sw_result = ow_switch.pio_access_write_chB(_sw_rom, 0); + if(sw_result == Ds2413::Success) + { + result = OWGridEye::Success; + } + } + else + { + //if low, take high, then low to get falling edge + sw_result = ow_switch.pio_access_write_chB(_sw_rom, 1); + if(sw_result == Ds2413::Success) + { + sw_result = ow_switch.pio_access_write_chB(_sw_rom, 0); + if(sw_result == Ds2413::Success) + { + result = OWGridEye::Success; + } + } + } + } + + return result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::connectGridEye(void) +{ + OWGridEye::CmdResult result = OWGridEye::OpFailure; + + Ds2413 ow_switch(_owm); + + Ds2413::CmdResult sw_result = ow_switch.pio_access_write_chB(_sw_rom, 1); + if(sw_result == Ds2413::Success) + { + result = OWGridEye::Success; + } + + return result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::connectOWbus(void) +{ + OWGridEye::CmdResult result = OWGridEye::OpFailure; + + Ds2413 ow_switch(_owm); + + Ds2413::CmdResult sw_result = ow_switch.pio_access_write_chA(_sw_rom, 0); + if(sw_result == Ds2413::Success) + { + result = OWGridEye::Success; + } + + return result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::disconnectOWbus(void) +{ + OWGridEye::CmdResult result = OWGridEye::OpFailure; + + Ds2413 ow_switch(_owm); + + Ds2413::CmdResult sw_result = ow_switch.pio_access_write_chA(_sw_rom, 1); + if(sw_result == Ds2413::Success) + { + result = OWGridEye::Success; + } + + return result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::gridEyeAccess(bool readWrite, GridEyeRegister regAdrs, uint8_t numBytes, uint8_t * dataBuf) +{ + OneWireMaster::CmdResult ow_result = OneWireMaster::OperationFailure; + Ds28e17::CmdResult i2c_cmd_result; + OWGridEye::CmdResult gridEye_result = OWGridEye::OpFailure; + + Ds28e17 i2c_bridge(_owm); + + OneWireMaster::SearchState search_state; + search_state.romId.setFamilyCode(OWGridEye::DS28E17_FAMILY_CODE); + + _owm.OWTargetSetup(search_state); + ow_result = _owm.OWNext(search_state); + if(ow_result == OneWireMaster::Success) + { + i2c_bridge.set_rom_id(search_state.romId); + uint8_t read_pointer = regAdrs; + uint8_t status, wr_status; + + if(readWrite) + { + i2c_cmd_result = i2c_bridge.I2C_WriteReadDataWithStop((OWGridEye::I2C_ADRS << 1), + 1, &read_pointer, numBytes, + status, wr_status, dataBuf); + } + else + { + i2c_cmd_result = i2c_bridge.I2C_WriteDataWithStop((OWGridEye::I2C_ADRS << 1), + numBytes, dataBuf, status, + wr_status); + } + + if(i2c_cmd_result == Ds28e17::Success) + { + gridEye_result = OWGridEye::Success; + } + } + + return gridEye_result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::gridEyeGetThermistor(int16_t & thermTemp) +{ + OWGridEye::CmdResult ge_result; + uint8_t data[2]; + + ge_result = this->gridEyeAccess(1, OWGridEye::THERMISTOR_LOW, 2, data); + if(ge_result == OWGridEye::Success) + { + thermTemp = shAMG_PUB_TMP_ConvThermistor(data); + } + + return ge_result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::gridEyeGetPixelTemperature(uint8_t pixelAdrs, int16_t & pixelTemp) +{ + OWGridEye::CmdResult ge_result; + uint8_t data[2]; + + ge_result = this->gridEyeAccess(1, (GridEyeRegister) pixelAdrs, 2, data); + if(ge_result == OWGridEye::Success) + { + pixelTemp = shAMG_PUB_TMP_ConvTemperature(data); + } + + return ge_result; +} + + +//********************************************************************* +OWGridEye::CmdResult OWGridEye::gridEyeGetFrameTemperature(int16_t * frameTemp) +{ + OWGridEye::CmdResult ge_result; + uint8_t data[128]; + + ge_result = this->gridEyeAccess(1,(GridEyeRegister) OWGridEye::PIXEL_BASE_ADRS, 128, data); + if(ge_result == OWGridEye::Success) + { + vAMG_PUB_TMP_ConvTemperature64(data, frameTemp); + } + + return ge_result; +} + + +//********************************************************************* +int16_t OWGridEye::gridEyeConvFtoS(float data) +{ + int16_t convData = 0; + + return convData; +} + + +//********************************************************************* +float OWGridEye::gridEyeConvStoF(int16_t data) +{ + float convData = fAMG_PUB_CMN_ConvStoF(data); + return convData; +}