Library for MAXREFDES131 OneWire GridEYE sensor interface

Dependents:   MAXREFDES131_Qt_Demo MAXREFDES130_131_Demo

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;
+}