AD7768-1 MBED IIO Application Example
Dependencies: platform_drivers
app/app_config_mbed.h@2:eb624ef78449, 2021-09-24 (annotated)
- Committer:
- epena
- Date:
- Fri Sep 24 19:07:29 2021 +0800
- Revision:
- 2:eb624ef78449
- Parent:
- 1:c0429edee15b
Deleting the redefinition of data_capture_ops
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
epena | 1:c0429edee15b | 1 | /***************************************************************************//* |
epena | 1:c0429edee15b | 2 | * @file app_config_mbed.h |
epena | 1:c0429edee15b | 3 | * @brief Header file for Mbed platform configurations |
epena | 1:c0429edee15b | 4 | ****************************************************************************** |
epena | 1:c0429edee15b | 5 | * Copyright (c) 2021 Analog Devices, Inc. |
epena | 1:c0429edee15b | 6 | * All rights reserved. |
epena | 1:c0429edee15b | 7 | * |
epena | 1:c0429edee15b | 8 | * This software is proprietary to Analog Devices, Inc. and its licensors. |
epena | 1:c0429edee15b | 9 | * By using this software you agree to the terms of the associated |
epena | 1:c0429edee15b | 10 | * Analog Devices Software License Agreement. |
epena | 1:c0429edee15b | 11 | ******************************************************************************/ |
epena | 1:c0429edee15b | 12 | |
epena | 1:c0429edee15b | 13 | #ifndef _APP_CONFIG_MBED_H_ |
epena | 1:c0429edee15b | 14 | #define _APP_CONFIG_MBED_H_ |
epena | 1:c0429edee15b | 15 | |
epena | 1:c0429edee15b | 16 | /******************************************************************************/ |
epena | 1:c0429edee15b | 17 | /***************************** Include Files **********************************/ |
epena | 1:c0429edee15b | 18 | /******************************************************************************/ |
epena | 1:c0429edee15b | 19 | |
epena | 1:c0429edee15b | 20 | #include <stdint.h> |
epena | 1:c0429edee15b | 21 | #include <PinNames.h> |
epena | 1:c0429edee15b | 22 | |
epena | 1:c0429edee15b | 23 | #include "uart_extra.h" |
epena | 1:c0429edee15b | 24 | #include "irq_extra.h" |
epena | 1:c0429edee15b | 25 | #include "spi_extra.h" |
epena | 1:c0429edee15b | 26 | |
epena | 1:c0429edee15b | 27 | /******************************************************************************/ |
epena | 1:c0429edee15b | 28 | /********************** Macros and Constants Definition ***********************/ |
epena | 1:c0429edee15b | 29 | /******************************************************************************/ |
epena | 1:c0429edee15b | 30 | |
epena | 1:c0429edee15b | 31 | // Pin mapping of AD7768-1 with arduino |
epena | 1:c0429edee15b | 32 | #define SPI_SS D10 // SPI_CS |
epena | 1:c0429edee15b | 33 | #define SPI_MOSI D11 // SPI_MOSI |
epena | 1:c0429edee15b | 34 | #define SPI_MISO D12 // SPI_MISO |
epena | 1:c0429edee15b | 35 | #define SPI_SCK D13 // SPI_SCK |
epena | 1:c0429edee15b | 36 | #define DRDY D2 // Conversion ready interrupt |
epena | 1:c0429edee15b | 37 | |
epena | 1:c0429edee15b | 38 | /* Common pin mapping */ |
epena | 1:c0429edee15b | 39 | #define UART_TX USBTX |
epena | 1:c0429edee15b | 40 | #define UART_RX USBRX |
epena | 1:c0429edee15b | 41 | #define LED_GREEN LED3 |
epena | 1:c0429edee15b | 42 | |
epena | 1:c0429edee15b | 43 | /* Define the max possible sampling frequency (or output data) rate for AD77681 (in SPS). |
epena | 1:c0429edee15b | 44 | * This is also used to find the time period to trigger a periodic conversion event. |
epena | 1:c0429edee15b | 45 | * Note: Max possible ODR is 64KSPS for continuous data capture on IIO Client. |
epena | 1:c0429edee15b | 46 | * This is derived by capturing data from the firmware using the SDP-K1 controller board |
epena | 1:c0429edee15b | 47 | * @22.5Mhz SPI clock. The max possible ODR can vary from board to board and |
epena | 1:c0429edee15b | 48 | * data continuity is not guaranteed above this ODR on IIO oscilloscope */ |
epena | 1:c0429edee15b | 49 | |
epena | 1:c0429edee15b | 50 | /* AD77681 default internal clock frequency (MCLK = 16.384 Mhz) */ |
epena | 1:c0429edee15b | 51 | #define AD77681_MCLK (16384) |
epena | 1:c0429edee15b | 52 | |
epena | 1:c0429edee15b | 53 | /* AD77681 decimation rate */ |
epena | 1:c0429edee15b | 54 | #define AD77681_DECIMATION_RATE (32U) |
epena | 1:c0429edee15b | 55 | |
epena | 1:c0429edee15b | 56 | /* AD77681 default mclk_div value */ |
epena | 1:c0429edee15b | 57 | #define AD77681_DEFAULT_MCLK_DIV (8) |
epena | 1:c0429edee15b | 58 | |
epena | 1:c0429edee15b | 59 | /* AD77681 ODR conversion */ |
epena | 1:c0429edee15b | 60 | #define AD77681_ODR_CONV_SCALER (AD77681_DECIMATION_RATE * AD77681_DEFAULT_MCLK_DIV) |
epena | 1:c0429edee15b | 61 | |
epena | 1:c0429edee15b | 62 | /* AD77681 default sampling frequency */ |
epena | 1:c0429edee15b | 63 | #define AD77681_DEFAULT_SAMPLING_FREQ ((AD77681_MCLK * 1000) / AD77681_ODR_CONV_SCALER) |
epena | 1:c0429edee15b | 64 | |
epena | 1:c0429edee15b | 65 | /******************************************************************************/ |
epena | 1:c0429edee15b | 66 | /********************* Public/Extern Declarations *****************************/ |
epena | 1:c0429edee15b | 67 | /******************************************************************************/ |
epena | 1:c0429edee15b | 68 | extern mbed_irq_init_param mbed_ext_int_init_param; |
epena | 1:c0429edee15b | 69 | extern mbed_uart_init_param mbed_uart_extra_init_param; |
epena | 1:c0429edee15b | 70 | extern mbed_spi_init_param mbed_spi_init_extra_params; |
epena | 1:c0429edee15b | 71 | |
epena | 1:c0429edee15b | 72 | #endif /* _APP_CONFIG_H_ */ |