File content as of revision 2:eb624ef78449:

/***************************************************************************//*
 * @file    app_config_mbed.h
 * @brief   Header file for Mbed platform configurations
******************************************************************************
 * Copyright (c) 2021 Analog Devices, Inc.
 * All rights reserved.
 *
 * This software is proprietary to Analog Devices, Inc. and its licensors.
 * By using this software you agree to the terms of the associated
 * Analog Devices Software License Agreement.
******************************************************************************/

#ifndef _APP_CONFIG_MBED_H_
#define _APP_CONFIG_MBED_H_

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

#include <stdint.h>
#include <PinNames.h>

#include "uart_extra.h"
#include "irq_extra.h"
#include "spi_extra.h"

/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/

// Pin mapping of AD7768-1 with arduino
#define SPI_SS		D10		// SPI_CS
#define SPI_MOSI	D11		// SPI_MOSI
#define SPI_MISO	D12		// SPI_MISO
#define SPI_SCK		D13		// SPI_SCK
#define DRDY        D2      // Conversion ready interrupt

/* Common pin mapping */
#define UART_TX		USBTX
#define	UART_RX		USBRX
#define LED_GREEN	LED3

/* Define the max possible sampling frequency (or output data) rate for AD77681 (in SPS).
 * This is also used to find the time period to trigger a periodic conversion event.
 * Note: Max possible ODR is 64KSPS for continuous data capture on IIO Client.
 * This is derived by capturing data from the firmware using the SDP-K1 controller board
 * @22.5Mhz SPI clock. The max possible ODR can vary from board to board and
 * data continuity is not guaranteed above this ODR on IIO oscilloscope */

/* AD77681 default internal clock frequency (MCLK = 16.384 Mhz) */
#define AD77681_MCLK (16384)

/* AD77681 decimation rate */
#define AD77681_DECIMATION_RATE	(32U)

/* AD77681 default mclk_div value */
#define AD77681_DEFAULT_MCLK_DIV (8)

/* AD77681 ODR conversion */
#define AD77681_ODR_CONV_SCALER	(AD77681_DECIMATION_RATE * AD77681_DEFAULT_MCLK_DIV)

/* AD77681 default sampling frequency */
#define AD77681_DEFAULT_SAMPLING_FREQ	((AD77681_MCLK * 1000) / AD77681_ODR_CONV_SCALER)

/******************************************************************************/
/********************* Public/Extern Declarations *****************************/
/******************************************************************************/
extern mbed_irq_init_param mbed_ext_int_init_param;
extern mbed_uart_init_param mbed_uart_extra_init_param;
extern mbed_spi_init_param mbed_spi_init_extra_params;

#endif /* _APP_CONFIG_H_ */