ad77681evb.c File Reference

Implementation of Main Function. More...

#include <stdio.h>
#include <sleep.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <xil_cache.h>
#include <xparameters.h>
#include "clk_axi_clkgen.h"
#include "xil_printf.h"
#include "ad77681.h"
#include "spi_engine.h"
#include "parameters.h"
#include "no_os_delay.h"
#include "no_os_error.h"

Include dependency graph for ad77681evb.c:

Macros
#define	SPI_ENGINE_OFFLOAD_EXAMPLE   0

Functions
int	main ()

Variables
uint32_t	spi_msg_cmds [6] = {CS_LOW, CS_HIGH, CS_LOW, WRITE_READ(1), CS_HIGH}
struct spi_engine_init_param	spi_eng_init_param
struct ad77681_init_param	ADC_default_init_param
struct axi_clkgen_init	clkgen_init

Detailed Description

Implementation of Main Function.

Author

SPopa (stefa.nosp@m.n.po.nosp@m.pa@an.nosp@m.alog.nosp@m..com)

Copyright 2017(c) Analog Devices, Inc.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

SPI_ENGINE_OFFLOAD_EXAMPLE

#define SPI_ENGINE_OFFLOAD_EXAMPLE   0

Function Documentation

main()

int main

(

)

Variable Documentation

ADC_default_init_param

struct ad77681_init_param ADC_default_init_param

Initial value:

= {
    
    {
        .chip_select = AD77681_SPI_CS,
        .max_speed_hz = 1000000,
        .mode = NO_OS_SPI_MODE_3,
        .platform_ops = &spi_eng_platform_ops,
        .extra = (void*)&spi_eng_init_param,
    },
    
    AD77681_FAST,               
    AD77681_MCLK_DIV_8,         
    AD77681_CONV_CONTINUOUS,    
    AD77681_POSITIVE_FS,        
    false,                      
    AD77681_CONV_16BIT,         
    AD77681_CRC,                
    0,                          
    AD77681_VCM_HALF_VCC,       
    AD77681_AINn_ENABLED,       
    AD77681_AINp_ENABLED,       
    AD77681_BUFn_ENABLED,       
    AD77681_BUFp_ENABLED,       
    AD77681_FIR,            
    AD77681_SINC5_FIR_DECx32,   
    0,              
    4096,               
    16384,              
}

clkgen_init

struct axi_clkgen_init clkgen_init

Initial value:

= {
    .name = "rx_clkgen",
    .base = XPAR_SPI_CLKGEN_BASEADDR,
    .parent_rate = 100000000,
}

spi_eng_init_param

struct spi_engine_init_param spi_eng_init_param

Initial value:

= {
    .type = SPI_ENGINE,
    .spi_engine_baseaddr = AD77681_SPI1_ENGINE_BASEADDR,
    .cs_delay = 0,
    .data_width = 32,
    .ref_clk_hz = AD77681_SPI_ENG_REF_CLK_FREQ_HZ,
}

spi_msg_cmds

uint32_t spi_msg_cmds[6] = {CS_LOW, CS_HIGH, CS_LOW, WRITE_READ(1), CS_HIGH}