Mohsen Samadani / Mbed 2 deprecated Algorithm-testing

Code for measuring the signal with a specified length and sampling rate, and saving it on a SD card.

Dependencies:   EALib I2S mbed

Audio/TestAudio.h@0:c05b00be2229, 2017-07-13 (annotated)

Committer:
msamadani
Date:
Thu Jul 13 19:33:37 2017 +0000
Revision:
0:c05b00be2229
bpFilter function works.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
msamadani 0:c05b00be2229 1 /*
msamadani 0:c05b00be2229 2 * Copyright 2013 Embedded Artists AB
msamadani 0:c05b00be2229 3 *
msamadani 0:c05b00be2229 4 * Licensed under the Apache License, Version 2.0 (the "License");
msamadani 0:c05b00be2229 5 * you may not use this file except in compliance with the License.
msamadani 0:c05b00be2229 6 * You may obtain a copy of the License at
msamadani 0:c05b00be2229 7 *
msamadani 0:c05b00be2229 8 * http://www.apache.org/licenses/LICENSE-2.0
msamadani 0:c05b00be2229 9 *
msamadani 0:c05b00be2229 10 * Unless required by applicable law or agreed to in writing, software
msamadani 0:c05b00be2229 11 * distributed under the License is distributed on an "AS IS" BASIS,
msamadani 0:c05b00be2229 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
msamadani 0:c05b00be2229 13 * See the License for the specific language governing permissions and
msamadani 0:c05b00be2229 14 * limitations under the License.
msamadani 0:c05b00be2229 15 */
msamadani 0:c05b00be2229 16
msamadani 0:c05b00be2229 17 #ifndef TESTAUDIO_H
msamadani 0:c05b00be2229 18 #define TESTAUDIO_H
msamadani 0:c05b00be2229 19
msamadani 0:c05b00be2229 20 #include "WM8731.h"
msamadani 0:c05b00be2229 21 #include "I2S.h"
msamadani 0:c05b00be2229 22
msamadani 0:c05b00be2229 23 #define ECHOLENGTH 600
msamadani 0:c05b00be2229 24
msamadani 0:c05b00be2229 25
msamadani 0:c05b00be2229 26 /**
msamadani 0:c05b00be2229 27 * Test the WM8731 audio codec and the audio connectors on
msamadani 0:c05b00be2229 28 * the LPC4088 Experiment Base Board
msamadani 0:c05b00be2229 29 */
msamadani 0:c05b00be2229 30 class TestAudio {
msamadani 0:c05b00be2229 31 public:
msamadani 0:c05b00be2229 32
msamadani 0:c05b00be2229 33 /**
msamadani 0:c05b00be2229 34 * Create an interface to the audio codec
msamadani 0:c05b00be2229 35 */
msamadani 0:c05b00be2229 36 TestAudio();
msamadani 0:c05b00be2229 37
msamadani 0:c05b00be2229 38 /**
msamadani 0:c05b00be2229 39 * Test the audio
msamadani 0:c05b00be2229 40 *
msamadani 0:c05b00be2229 41 * @return true if the test was successful; otherwise false
msamadani 0:c05b00be2229 42 */
msamadani 0:c05b00be2229 43 bool runTest();
msamadani 0:c05b00be2229 44
msamadani 0:c05b00be2229 45 private:
msamadani 0:c05b00be2229 46
msamadani 0:c05b00be2229 47 /**
msamadani 0:c05b00be2229 48 * Callback function for I2S
msamadani 0:c05b00be2229 49 */
msamadani 0:c05b00be2229 50 void echo(void);
msamadani 0:c05b00be2229 51
msamadani 0:c05b00be2229 52 WM8731 _codec;
msamadani 0:c05b00be2229 53 I2S _i2sTx;
msamadani 0:c05b00be2229 54 I2S _i2sRx;
msamadani 0:c05b00be2229 55 AnalogIn _aIn;
msamadani 0:c05b00be2229 56
msamadani 0:c05b00be2229 57 int _waveIdx;
msamadani 0:c05b00be2229 58 int _echoBufPtr;
msamadani 0:c05b00be2229 59 int _echoBuf[ECHOLENGTH];
msamadani 0:c05b00be2229 60 int _txBuf[16];
msamadani 0:c05b00be2229 61 int _rxBuf[16];
msamadani 0:c05b00be2229 62 };
msamadani 0:c05b00be2229 63
msamadani 0:c05b00be2229 64 #endif
msamadani 0:c05b00be2229 65