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Dependencies: PixelArray USBDevice mbed
Fork of blip_analog by
main.cpp
00001 // potenciometro controla la matriz 00002 // y buzzer al mismo tiempo envia por 00003 // el puerto serie 00004 00005 #include "mbed.h" 00006 #include "neopixel.h" 00007 #include "USBSerial.h" 00008 00009 // Matrix led output pin 00010 #define MATRIX_PIN P0_9 00011 #define NLEDS 25 00012 00013 00014 AnalogIn ain(P0_22); 00015 00016 unsigned int counter = 0; 00017 USBSerial serial; 00018 00019 neopixel::Pixel buffer[NLEDS]; 00020 PwmOut speaker(P0_8); 00021 00022 00023 void setPixel(uint32_t posicion, uint8_t red, uint8_t green, uint8_t blue) { 00024 buffer[posicion].red=red; 00025 buffer[posicion].green=green; 00026 buffer[posicion].blue=blue; 00027 } 00028 00029 00030 int main() 00031 { 00032 // Turn off miniblip buzzer 00033 speaker=0.0; 00034 00035 serial.printf("Hello world!\n"); 00036 DigitalIn(MATRIX_PIN, PullDown); 00037 00038 while(true) { 00039 float pot = ain.read()*24; 00040 //serial.printf("mini blip is alive for %i seconds.\n", counter); 00041 serial.printf("Pot: %f\n", pot); 00042 counter++; 00043 00044 neopixel::PixelArray array(MATRIX_PIN); 00045 00046 for(int i=0;i<NLEDS;i++) { 00047 setPixel(i, 0, 0, 0); 00048 } 00049 00050 if (pot >= 100) pot =100; 00051 setPixel(pot, 0, 20, 0); 00052 00053 /* 00054 float note=200*(pot); 00055 speaker.period(1.0/note); 00056 speaker = 50.0; 00057 */ 00058 array.update(buffer, NLEDS); 00059 wait_ms(10); 00060 00061 } 00062 00063 // 00064 // // Create a temporary DigitalIn so we can configure the pull-down resistor. 00065 // DigitalIn(DATA_PIN, PullDown); 00066 // 00067 // // The pixel array control class. 00068 // neopixel::PixelArray array(DATA_PIN); 00069 // 00070 // uint32_t offset = 0; 00071 // uint32_t i = 1; 00072 // while (1) { 00073 // array.update(generate, 64, offset++); 00074 // 00075 // //Play Sound 00076 // float note=500+(i*100); 00077 // speaker.period(1.0/note); 00078 // //speaker = float(i)/50.0; 00079 // 00080 // i++; 00081 // if (i>10) i=1; 00082 // // Rainbow delay 00083 // wait_ms(100); 00084 // } 00085 } 00086
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