Mercurial > hg > beaglert
comparison examples/analogDigitalDemo/render.cpp @ 310:02c4ca0e3718 prerelease
Renamed pinModeFrame -> pinMode
author | andrewm |
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date | Fri, 27 May 2016 18:29:20 +0100 |
parents | 1feb9c23ac57 |
children | 493a07f6ec09 |
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309:6b717992c8d2 | 310:02c4ca0e3718 |
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54 // in the next buffer each frame of channel 0 will be initialized to 1 (the last value of this buffer) | 54 // in the next buffer each frame of channel 0 will be initialized to 1 (the last value of this buffer) |
55 digitalWrite(context, 0, P8_08, GPIO_HIGH); | 55 digitalWrite(context, 0, P8_08, GPIO_HIGH); |
56 digitalWrite(context, 2, P8_08, GPIO_LOW); | 56 digitalWrite(context, 2, P8_08, GPIO_LOW); |
57 digitalWrite(context, 4, P8_08, GPIO_HIGH); | 57 digitalWrite(context, 4, P8_08, GPIO_HIGH); |
58 digitalWrite(context, 5, P8_08, GPIO_LOW); | 58 digitalWrite(context, 5, P8_08, GPIO_LOW); |
59 pinModeFrame(context, 0, P9_16, GPIO_INPUT); // set channel 10 to input | 59 pinMode(context, 0, P9_16, GPIO_INPUT); // set channel 10 to input |
60 // in this buffer the frames of channel 1 will look like this: 1 1 0 0 1 0 0 0 .... 0 | 60 // in this buffer the frames of channel 1 will look like this: 1 1 0 0 1 0 0 0 .... 0 |
61 // in the next buffer each frame of channel 1 will be initialized to 0 (the last value of this buffer) | 61 // in the next buffer each frame of channel 1 will be initialized to 0 (the last value of this buffer) |
62 } | 62 } |
63 for(unsigned int n=0; n<context->audioFrames; n++){ | 63 for(unsigned int n=0; n<context->audioFrames; n++){ |
64 for(unsigned int c=0; c<context->audioChannels; c++){ | 64 for(unsigned int c=0; c<context->audioChannels; c++){ |
68 context->digital[n]=context->digital[n] & (~0b111111100); // set to zero (GPIO_OUTPUT) the bits in the lower word | 68 context->digital[n]=context->digital[n] & (~0b111111100); // set to zero (GPIO_OUTPUT) the bits in the lower word |
69 context->digital[n]=context->digital[n] & ((~0b111111100<<16) | 0xffff ); //initialize to zero the bits in the higher word (output value) | 69 context->digital[n]=context->digital[n] & ((~0b111111100<<16) | 0xffff ); //initialize to zero the bits in the higher word (output value) |
70 context->digital[n]=context->digital[n] | ( ((context->audioSampleCount&0b1111111)<<(16+2)) ) ; // set the bits in the higher word to the desired output value, keeping the lower word unchanged | 70 context->digital[n]=context->digital[n] | ( ((context->audioSampleCount&0b1111111)<<(16+2)) ) ; // set the bits in the higher word to the desired output value, keeping the lower word unchanged |
71 digitalWrite(context, n, P8_29, digitalRead(context, n, P8_30)); // echo the input from from channel 15 to channel 14 | 71 digitalWrite(context, n, P8_29, digitalRead(context, n, P8_30)); // echo the input from from channel 15 to channel 14 |
72 digitalWrite(context, n, P8_28, digitalRead(context, n, P9_16)); // echo the input from from channel 10 to channel 13 | 72 digitalWrite(context, n, P8_28, digitalRead(context, n, P9_16)); // echo the input from from channel 10 to channel 13 |
73 pinModeFrame(context, 0, P8_30, 0); //set channel 15 to input | 73 pinMode(context, 0, P8_30, 0); //set channel 15 to input |
74 } | 74 } |
75 | 75 |
76 for(unsigned int n=0; n<context->analogFrames; n++){ | 76 for(unsigned int n=0; n<context->analogFrames; n++){ |
77 analogWrite(context, n, 1, (context->audioSampleCount&8191)/8192.0); // writes a single frame. channel 1 is a ramp that follows gCountFrames | 77 analogWrite(context, n, 1, (context->audioSampleCount&8191)/8192.0); // writes a single frame. channel 1 is a ramp that follows gCountFrames |
78 analogWrite(context, n, 2, analogRead(context, n, 2)); // writes a single frame. channel2 is just a passthrough | 78 analogWrite(context, n, 2, analogRead(context, n, 2)); // writes a single frame. channel2 is just a passthrough |