axi_max11046.c

Go to the documentation of this file.

/*
 * Copyright (C) 2012 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 PRODUCTS 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
 * shall not be used except as stated in the Maxim Integrated Products
 * 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 retains all ownership rights.
 *
 ***************************************************************************/

/***************************** Include Files *******************************/

#include "axi_max11046.h"

/************************** Function Definitions ***************************/

void AXI_MAX11046_Config_ADC(u32 BaseAddress, u32 Value)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_CR_REG_OFFSET), Value);
    Xil_Out32((BaseAddress) + (AXI_MAX11046_WRITE_CR_REG_OFFSET), (u32)(1));
}

void AXI_MAX11046_Start_Conversion(u32 BaseAddress)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_ADC_START_REG_OFFSET), (u32)(1));
}

void AXI_MAX11046_Stop_Conversion(u32 BaseAddress)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_ADC_START_REG_OFFSET), (u32)(0));
}

void AXI_MAX11046_Write_Delay_Reg(u32 BaseAddress, u32 Value)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_DELAY_REG_OFFSET), (u32)(Value));
}

void AXI_MAX11046_Interrupt_Enable(u32 BaseAddress)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_IP_INTR_ENABLE_REG_OFFSET), (u32)(1));
}

void AXI_MAX11046_Interrupt_Disable(u32 BaseAddress)
{
    Xil_Out32((BaseAddress) + (AXI_MAX11046_IP_INTR_ENABLE_REG_OFFSET), (u32)(0));
}

u32 AXI_MAX11046_Read_Data(u32 BaseAddress, u8 Channel)
{
    return Xil_In32((BaseAddress) + 0x00000004*Channel);
}

u32 AXI_MAX11046_Read_Interrupt_Status(u32 BaseAddress)
{
    return Xil_In32((BaseAddress) + (AXI_MAX11046_IP_INTR_STATUS_REG_OFFSET));
}

void AXI_MAX11046_Single_Convert(u32 BaseAddress, u8 Channel, u16 * uSample)
{
    AXI_MAX11046_Stop_Conversion(BaseAddress);
    AXI_MAX11046_Interrupt_Disable(BaseAddress);
    AXI_MAX11046_Read_Interrupt_Status(BaseAddress);
    AXI_MAX11046_Start_Conversion(BaseAddress);

    while(AXI_MAX11046_Read_Interrupt_Status(BaseAddress)==0);
    AXI_MAX11046_Stop_Conversion(BaseAddress);
    AXI_MAX11046_Read_Interrupt_Status(BaseAddress);

    if(Channel<8)
        uSample[0]=AXI_MAX11046_Read_Data(BaseAddress, Channel);
    else
    {
        uSample[0]=AXI_MAX11046_Read_Data(BaseAddress, 0);
        uSample[1]=AXI_MAX11046_Read_Data(BaseAddress, 1);
        uSample[2]=AXI_MAX11046_Read_Data(BaseAddress, 2);
        uSample[3]=AXI_MAX11046_Read_Data(BaseAddress, 3);
        uSample[4]=AXI_MAX11046_Read_Data(BaseAddress, 4);
        uSample[5]=AXI_MAX11046_Read_Data(BaseAddress, 5);
        uSample[6]=AXI_MAX11046_Read_Data(BaseAddress, 6);
        uSample[7]=AXI_MAX11046_Read_Data(BaseAddress, 7);
    }
}