Bryan and Naved Debub monitor
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SPI_Outputs.cpp
00001 /**---------------------------------------------------------------------------- 00002 * 00003 * \file frequency_detector.cpp 00004 -- -- 00005 -- ECEN 5803 Mastering Embedded System Architecture -- 00006 -- Project 1 Module 4 -- 00007 -- Microcontroller Firmware -- 00008 -- frequency_detector.cpp -- 00009 -- -- 00010 ------------------------------------------------------------------------------- 00011 -- 00012 -- Designed for: University of Colorado at Boulder 00013 -- 00014 -- 00015 -- Designed by: Tim Scherr 00016 -- Revised by: Naved Maududi and Bryan Cisneros 00017 -- 00018 -- Version: 2.1 00019 -- Date of current revision: 2017-09-25 00020 -- Target Microcontroller: Freescale MKL25ZVMT4 00021 -- Tools used: ARM mbed compiler 00022 -- ARM mbed SDK 00023 -- Freescale FRDM-KL25Z Freedom Board 00024 -- 00025 -- 00026 Functional Description: 00027 This file contains code that takes in quasi-sine wave ADC inputs from the flow meter 00028 From the ADC inputs, it calculates the frequency of that sine wave. The frequency is 00029 important in determining the flow rate and velocity for the flowmeter that are outputed 00030 to the display. 00031 -- 00032 -- Copyright (c) 2015 Tim Scherr All rights reserved. 00033 */ 00034 00035 00036 #include "shared.h" 00037 #include "MKL25Z4.h" 00038 #define SPI_bit_length 16 // bit length for the spi port 00039 #define SPI_mode 0 // clock is set to trigger at high and in phase 00040 00041 00042 00043 /**********************/ 00044 00045 PinName const SPI_MOSI = PTC6; // channel 0 (PTB0) to A/D pin VREFL 00046 PinName const SPI_MISO = PTC7; // channel 1 (PTB1) to J10_4 a virtual vortex frequency input, 00047 PinName const SPI_SCK = PTC5; // channel 2 (PTB2) to an actual internal TempSensor 00048 00049 00050 void LCD_Display(void){ 00051 00052 SPI LCD(SPI_MOSI, SPI_MISO, SPI_SCK); 00053 LCD.lock(); // Acquire exclusive access to this SPI bus. 00054 LCD.format(SPI_bit_length, SPI_mode); // select correct mode and bits to transfer to the LDC monitor 00055 LCD.write(flow); // write the value of flow to slave device, which is the peripheral LCD display 00056 LCD.write(freq_value); // write the value of frequency to slave device, which is the peripheral LCD display 00057 LCD.write(temperature); // write the value of temperature to slave device, which is the peripheral LCD display 00058 } 00059 00060
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