Tom Coxon / Mbed 2 deprecated EA_WavPlayer

Demo of Embedded Artists LPCXpresso baseboard SD card reader and audio facilities. Updated to put wav file player in a separate library and use the high capacity SD card library provided by Klaus Bu.

Dependencies:   mbed

main.cpp@2:affcc36a50b4, 2010-07-25 (annotated)

Committer:
tom_coxon
Date:
Sun Jul 25 17:51:19 2010 +0000
Revision:
2:affcc36a50b4
Parent:
1:22c43c468a2f 

        

        
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/*





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 Demo of Embedded Artists LPCXpresso baseboard SD card reader and audio facilities.





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 By Tom Coxon





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 Based on WAVEplayer by Vlad Cazan/Stephan Rochon modified by Tom Coxon to:





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 1. Run correctly on the Embedded Artists LPCXpresso baseboard.





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 2. To play 8 bit sample size in addition to original 16 bit





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 3. To be more fault tolerant when playing wav files.





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 Place suitable uncompressed wav files with 8 or 16 bit sample sizes on the SD card and ensure the





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 file names are 8.3 format.  Then change the main method below to the relevant file paths.





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 Please set all jumpers on board to the default case except for the following:





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 Audio setup:





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 1. Insert a jumper in J31 to connect signal PIO1_2 to the low





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 pass filer as described in section 4.7.2. of base board users





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 guide.





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 2. Insert three jumpers in J33 to connect PIO3_0, PIO3_1 and





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 PIO3_2 to control the amplifier as described in section 4.8





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 of base board users guide.





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 3. Insert a jumper in J32 and remove any from J34 to use the





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 internal speaker as described in section 4.8





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 of base board users guide.





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 SD Card setup:





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 4. Insert all five jumpers in J39 as described in section 4.3.3





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 of base board users guide.





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 5. Remove jumper marked "A" in J55 In order to connect PIO1_11





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 to CS signal of J40 (the SPI-SSEL signal)  as described in section 4.3.3





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 of base board users guide.





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*/





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#include "mbed.h"





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#include "wavplayer.h"





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#include "SDHCFileSystem.h"





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DigitalOut led1(LED1);





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DigitalOut led4(LED4);





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SDFileSystem sd(p5, p6, p7, p24, "sd");





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int main() {





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    WavPlayer myWavPlayer;





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    led1 = 1 ;





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    printf("\r\n--------------- Starting -----------------\r\n");





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    myWavPlayer.play_wave("/sd/startup.wav"); //  8 bit sample size





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    myWavPlayer.play_wave("/sd/baddonut.wav");  // 16 bit sample size





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    myWavPlayer.play_wave("/sd/dduck.wav");  // 8 bit sample size





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    myWavPlayer.play_wave("/sd/bbunny.wav");  // 8 bit sample size





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    printf("<<<<<<<<<<<<<<<< All done >>>>>>>>>>>>>>>>\r\n");





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    led1 = 0;





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    led4 = 1;





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}