Luke Cartwright / Mbed 2 deprecated ELEC2645_Project_el18loc_nearlythere

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Dependencies:   mbed

Envelope/Envelope.h@30:08cc4ec58d07, 2020-05-26 (annotated)

Committer:
lukeocarwright
Date:
Tue May 26 10:17:47 2020 +0000
Revision:
30:08cc4ec58d07
Parent:
21:60f01b17b0a6 
Sorted Settings Menu Final Touches. More Code Tidying.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lukeocarwright 18:204cd747b54a 1 #ifndef ENVELOPE_H
lukeocarwright 18:204cd747b54a 2 #define ENVELOPE_H
lukeocarwright 18:204cd747b54a 3
lukeocarwright 18:204cd747b54a 4 #include "mbed.h"
lukeocarwright 18:204cd747b54a 5 #include "N5110.h"
lukeocarwright 18:204cd747b54a 6 #include "Gamepad.h"
lukeocarwright 18:204cd747b54a 7
lukeocarwright 18:204cd747b54a 8 /** Envelope class
lukeocarwright 18:204cd747b54a 9 * @author Luke Cartwright, University of Leeds
lukeocarwright 18:204cd747b54a 10 * @brief converts output to env output
lukeocarwright 18:204cd747b54a 11 * @date May 2020
lukeocarwright 18:204cd747b54a 12 */
lukeocarwright 18:204cd747b54a 13
lukeocarwright 18:204cd747b54a 14 class Envelope
lukeocarwright 18:204cd747b54a 15 {
lukeocarwright 18:204cd747b54a 16 public://-----------------------------------------------------------------------
lukeocarwright 18:204cd747b54a 17 //Methods
lukeocarwright 21:60f01b17b0a6 18 /**Constructor*/
lukeocarwright 18:204cd747b54a 19 Envelope();
lukeocarwright 18:204cd747b54a 20
lukeocarwright 21:60f01b17b0a6 21 /**Destructior*/
lukeocarwright 18:204cd747b54a 22 ~Envelope();
lukeocarwright 18:204cd747b54a 23
lukeocarwright 21:60f01b17b0a6 24 /**Outputs unigned value with input modulated by ADS input variables
lukeocarwright 21:60f01b17b0a6 25 *input -32767.>32767 Output 0->65535
lukeocarwright 21:60f01b17b0a6 26 * @returns a Unsigned Short corresponding to Envelope Output */
lukeocarwright 18:204cd747b54a 27 uint16_t env_in(int a, int d, int s, int r, int in, bool init);
lukeocarwright 21:60f01b17b0a6 28
lukeocarwright 21:60f01b17b0a6 29 /** Deals with the release part of the note
lukeocarwright 21:60f01b17b0a6 30 *(triggered when note off button pressed)
lukeocarwright 21:60f01b17b0a6 31 * @Returns an Unsigned short (for release part)
lukeocarwright 21:60f01b17b0a6 32 * @Corresponding to envelope output */
lukeocarwright 19:08862f49cd9e 33 uint16_t release(int s, int r, int in, bool init);
lukeocarwright 18:204cd747b54a 34
lukeocarwright 18:204cd747b54a 35
lukeocarwright 18:204cd747b54a 36 private://----------------------------------------------------------------------
lukeocarwright 18:204cd747b54a 37 //variables
lukeocarwright 21:60f01b17b0a6 38 uint16_t out; //main output variable
lukeocarwright 21:60f01b17b0a6 39 int samples; //itterator for samples counter
lukeocarwright 30:08cc4ec58d07 40 int samples_r; //release samples itterator
lukeocarwright 30:08cc4ec58d07 41 int at; //incramented multiplier for output
lukeocarwright 21:60f01b17b0a6 42 //ADSR variables multiplied up when applied to volume envelope
lukeocarwright 30:08cc4ec58d07 43 int av;
lukeocarwright 18:204cd747b54a 44 int dv;
lukeocarwright 18:204cd747b54a 45 int sv;
lukeocarwright 18:204cd747b54a 46 int rv;
lukeocarwright 21:60f01b17b0a6 47 //Difference per sample variables
lukeocarwright 18:204cd747b54a 48 int a_vec;
lukeocarwright 18:204cd747b54a 49 int d_vec;
lukeocarwright 18:204cd747b54a 50 int r_vec;
lukeocarwright 30:08cc4ec58d07 51
lukeocarwright 18:204cd747b54a 52
lukeocarwright 30:08cc4ec58d07 53 //Methods
lukeocarwright 21:60f01b17b0a6 54 /** Calculates the a_vec variable for use
lukeocarwright 21:60f01b17b0a6 55 * (used as difference per sample in attack part of note) */
lukeocarwright 18:204cd747b54a 56 int a_vector_calc(int av);
lukeocarwright 21:60f01b17b0a6 57
lukeocarwright 21:60f01b17b0a6 58 /** Calculates the d_vec variable for use
lukeocarwright 21:60f01b17b0a6 59 * (used as difference per sample in decay part of note)
lukeocarwright 21:60f01b17b0a6 60 * Positive only value */
lukeocarwright 19:08862f49cd9e 61 int d_vector_calc(int dv, int sv);
lukeocarwright 21:60f01b17b0a6 62
lukeocarwright 21:60f01b17b0a6 63 /** Calculates the r_vec variable for use
lukeocarwright 21:60f01b17b0a6 64 * (used as difference per sample in release part of note)
lukeocarwright 21:60f01b17b0a6 65 * Positive only value */
lukeocarwright 19:08862f49cd9e 66 int r_vector_calc(int sv, int rv);
lukeocarwright 18:204cd747b54a 67 };
lukeocarwright 18:204cd747b54a 68 #endif