app_config_mbed.h

00001 /***************************************************************************//**
00002  *   @file    app_config_mbed.h
00003  *   @brief   Header file for Mbed platform configurations
00004 ********************************************************************************
00005  * Copyright (c) 2021-22 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 "mbed_uart.h"
00024 #include "mbed_irq.h"
00025 #include "mbed_spi.h"
00026 #include "mbed_pwm.h"
00027 #include "mbed_gpio.h"
00028 
00029 #if defined(TARGET_SDP_K1)
00030 #include "sdram_sdpk1.h"
00031 #endif
00032 
00033 /******************************************************************************/
00034 /********************** Macros and Constants Definition ***********************/
00035 /******************************************************************************/
00036 
00037 /* Pin mapping of SDP-K1 w.r.t Arduino connector */
00038 #define SPI_CSB         ARDUINO_UNO_D10
00039 #define SPI_HOST_SDO    ARDUINO_UNO_D11
00040 #define SPI_HOST_SDI    ARDUINO_UNO_D12
00041 #define SPI_SCK         ARDUINO_UNO_D13
00042 
00043 /* Pins used to trigger and/or read a new (periodic) conversion event */
00044 #define PWM_TRIGGER     ARDUINO_UNO_D3
00045 #define INT_EVENT       ARDUINO_UNO_D3
00046 
00047 /* Common pin mapping on SDP-K1 */
00048 #define UART_TX         CONSOLE_TX
00049 #define UART_RX         CONSOLE_RX
00050 #define LED_GPO         LED3
00051 
00052 /* Define the max possible sampling (or output data) rate for a given platform.
00053  * This is also used to find the time period to trigger a periodic conversion event.
00054  * Note: Max possible ODR is 62.5KSPS per channel for continuous data capture on
00055  * IIO client. This is derived by testing the firmware on SDP-K1 controller board
00056  * @22Mhz SPI clock. The max possible ODR can vary from board to board and
00057  * data continuity is not guaranteed above this ODR on IIO oscilloscope */
00058 #define SAMPLING_RATE                   (62500)
00059 #define CONV_TRIGGER_PERIOD_NSEC        (((float)(1.0 / SAMPLING_RATE) * 1000000) * 1000)
00060 #define CONV_TRIGGER_DUTY_CYCLE_NSEC    (CONV_TRIGGER_PERIOD_NSEC / 2)
00061 
00062 /******************************************************************************/
00063 /********************** Public/Extern Declarations ****************************/
00064 /******************************************************************************/
00065 
00066 extern struct mbed_irq_init_param mbed_ext_int_extra_init_params;
00067 extern struct mbed_pwm_init_param mbed_pwm_extra_init_params;
00068 extern struct mbed_uart_init_param mbed_uart_extra_init_params;
00069 extern struct mbed_spi_init_param mbed_spi_extra_init_params;
00070 
00071 #endif /* APP_CONFIG_MBED_H_ */