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 
00027 /******************************************************************************/
00028 /********************** Macros and Constants Definition ***********************/
00029 /******************************************************************************/
00030 
00031 /* Pin mapping of SDP-K1 w.r.t Arduino connector */
00032 #define SPI_CSB         D10
00033 #define SPI_HOST_SDO    D11
00034 #define SPI_HOST_SDI    D12
00035 #define SPI_SCK         D13
00036 
00037 /* Common pin mapping on SDP-K1 */
00038 #define UART_TX         USBTX
00039 #define UART_RX         USBRX
00040 #define LED_GPO         LED3
00041 
00042 /* Pin mapping w.r.t. target */
00043 #define OSR0_PIN        D1
00044 #define OSR1_PIN        D2
00045 #define OSR2_PIN        D4
00046 #define RESET_PIN       D5
00047 #define CONVST_PIN      D6
00048 #define BUSY_PIN        D7
00049 #define RANGE_PIN       D8
00050 #define STDBY_PIN       D9
00051 
00052 /* Pins used to trigger and/or read a new (periodic) conversion event */
00053 #define PWM_TRIGGER     D3
00054 #define INT_EVENT       D3
00055 
00056 /* Define the max possible sampling (or output data) rate for a given platform.
00057  * This is also used to find the time period to trigger a periodic conversion event.
00058  * Note: Max possible ODR is 32KSPS per channel for continuous data capture on
00059  * IIO client. This is derived by testing the firmware on SDP-K1 controller board
00060  * @22Mhz SPI clock. The max possible ODR can vary from board to board and
00061  * data continuity is not guaranteed above this ODR on IIO oscilloscope */
00062 #define SAMPLING_RATE                   (32000)
00063 #define CONV_TRIGGER_PERIOD_NSEC        (((float)(1.0 / SAMPLING_RATE) * 1000000) * 1000)
00064 #define CONV_TRIGGER_DUTY_CYCLE_NSEC    (CONV_TRIGGER_PERIOD_NSEC / 2)
00065 
00066 /******************************************************************************/
00067 /********************** Public/Extern Declarations ****************************/
00068 /******************************************************************************/
00069 
00070 extern mbed_irq_init_param mbed_ext_int_extra_init_params;
00071 extern mbed_uart_init_param mbed_uart_extra_init_params;
00072 extern mbed_spi_init_param mbed_spi_extra_init_params;
00073 
00074 #endif /* APP_CONFIG_MBED_H_ */