app_config_mbed.h

00001 /***************************************************************************//**
00002  *   @file    app_config_mbed.h
00003  *   @brief   Header file for Mbed platform configurations
00004 ********************************************************************************
00005  * Copyright (c) 2021 Analog Devices, Inc.
00006  * All rights reserved.
00007  *
00008  * This software is proprietary to Analog Devices, Inc. and its licensors.
00009  * By using this software you agree to the terms of the associated
00010  * Analog Devices Software License Agreement.
00011 *******************************************************************************/
00012 
00013 #ifndef APP_CONFIG_MBED_H_
00014 #define APP_CONFIG_MBED_H_
00015 
00016 /******************************************************************************/
00017 /***************************** Include Files **********************************/
00018 /******************************************************************************/
00019 
00020 #include <stdint.h>
00021 #include <PinNames.h>
00022 
00023 #include "uart_extra.h"
00024 #include "irq_extra.h"
00025 #include "spi_extra.h"
00026 #include "gpio_extra.h"
00027 
00028 /******************************************************************************/
00029 /********************** Macros and Constants Definition ***********************/
00030 /******************************************************************************/
00031 
00032 /* Pin mapping for AD4696 w.r.t Arduino Headers */
00033 #define SPI_CSB         D10
00034 #define SPI_HOST_SDO    D11
00035 #define SPI_HOST_SDI    D12
00036 #define SPI_SCK         D13
00037 
00038 /* Common pin mapping on SDP-K1 */
00039 #define UART_TX     USBTX
00040 #define UART_RX     USBRX
00041 
00042 /* Pins used to trigger, reset and/or read a new (periodic) conversion event */
00043 #define RESET_PIN   D5
00044 #define BUSY_PIN    D7 
00045 #define CONVST_PIN  D6
00046 
00047 /* Define the max possible sampling (or output data) rate for a given platform.
00048  * This is also used to find the time period to trigger a periodic conversion event.
00049  * Note: Max possible ODR is 62.5KSPS per channel for continuous data capture on
00050  * IIO client. This is derived by testing the firmware on SDP-K1 controller board
00051  * @22Mhz SPI clock. The max possible ODR can vary from board to board and
00052  * data continuity is not guaranteed above this ODR on IIO oscilloscope */
00053 #define SAMPLING_RATE                   (62500)
00054 #define CONV_TRIGGER_PERIOD_NSEC        (((float)(1.0 / SAMPLING_RATE) * 1000000) * 1000)
00055 #define CONV_TRIGGER_DUTY_CYCLE_NSEC    (CONV_TRIGGER_PERIOD_NSEC / 10)
00056 
00057 /******************************************************************************/
00058 /********************** Public/Extern Declarations ****************************/
00059 /******************************************************************************/
00060 
00061 extern mbed_gpio_init_param mbed_gpio_bsy_extra_init_params;
00062 extern mbed_irq_init_param mbed_ext_int_extra_init_params;
00063 extern mbed_uart_init_param mbed_uart_extra_init_params;
00064 extern mbed_spi_init_param mbed_spi_extra_init_params;
00065 
00066 #endif /* APP_CONFIG_MBED_H_ */