kopia lustrzana https://github.com/donnersm/FFT_ESP32_Analyzer
156 wiersze
8.6 KiB
C
156 wiersze
8.6 KiB
C
/********************************************************************************************************************************************************
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* *
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* Project: FFT Spectrum Analyzer *
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* Target Platform: ESP32 *
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* *
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* Version: 1.0 *
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* Hardware setup: See github *
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* Spectrum analyses done with analog chips MSGEQ7 *
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* *
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* Mark Donners *
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* The Electronic Engineer *
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* Website: www.theelectronicengineer.nl *
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* facebook: https://www.facebook.com/TheelectronicEngineer *
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* youtube: https://www.youtube.com/channel/UCm5wy-2RoXGjG2F9wpDFF3w *
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* github: https://github.com/donnersm *
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* *
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********************************************************************************************************************************************************/
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#pragma once
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#include "Settings.h"
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/* There are several options to display the data from the FFT.
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* 1. Use a ledstrip like WS2812 or simular
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* 2. Use a Hub75 display
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* 3. Using both is possible but not recommended because of the required speed.
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*/
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// select one of these and comment out the other
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//#define Ledstrip
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#define HUB75
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//Panel settings change to match your setup
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#ifdef HUB75
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#define PANEL_WIDTH 64
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#define PANEL_HEIGHT 64 // Panel height of 64 will required PIN_E to be defined.
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#define PANELS_NUMBER 2 // Number of chained panels, if just a single panel, obviously set to 1
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// only need to match panel settings above
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#define PANE_WIDTH PANEL_WIDTH * PANELS_NUMBER
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#define PANE_HEIGHT PANEL_HEIGHT
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const uint8_t kMatrixWidth = PANEL_WIDTH * PANELS_NUMBER; // Matrix width --> number of columns in your led matrix
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const uint8_t kMatrixHeight = PANEL_HEIGHT; // Matrix height --> number of leds per column
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#endif
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// Ledstrip settings
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#define CHIPSET WS2812B // LED strip type
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#define LED_PIN 21 // LED strip data
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//#define SERPENTINE false // Set to false if you're LEDS are connected end to end, true if serpentine
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#define COLOR_ORDER GRB // If colours look wrong, play with this
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#define LED_VOLTS 5 // Usually 5 or 12
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#define MAX_MILLIAMPS 2000 // Careful with the amount of power here if running off USB port
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#ifdef Ledstrip
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const uint8_t kMatrixWidth =32;//128; // Matrix width --> number of columns in your led matrix
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const uint8_t kMatrixHeight = 16;//64; // Matrix height --> number of leds per column
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#define PANE_WIDTH kMatrixWidth
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#endif
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#define BAR_WIDTH (kMatrixWidth /(numBands )) // If width >= 8 light 1 LED width per bar, >= 16 light 2 LEDs width bar etc
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#define TOP (kMatrixHeight - 0) // Don't allow the bars to go offscreen
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#define NeededWidth (BAR_WIDTH * numBands) // we need this to see if all bands fit or that we have left over space
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#define NUM_LEDS (kMatrixWidth * kMatrixHeight) // Total number of LEDs
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CRGB leds[NUM_LEDS];
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//***********************************************************************
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// These are the settings for the Hub75 display
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// pin settings, dont change unless you are using customized hardware
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//***********************************************************************
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#define A_PIN 23
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#define B_PIN 19
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#define C_PIN 5
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#define D_PIN 17
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#define E_PIN 22
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#define LAT_PIN 18
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#define OE_PIN 15
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#define CLK_PIN 16
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#define R1_PIN 33
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#define B2_PIN 13
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#define R2_PIN 14
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#define G2_PIN 12
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#define G1_PIN 26
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#define B1_PIN 27
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#ifdef HUB75
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// placeholder for the matrix object
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MatrixPanel_I2S_DMA *dma_display = nullptr;
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#endif
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// See manual if you need to change these settings
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#ifdef Ledstrip
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// FastLED_NeoMaxtrix - see https://github.com/marcmerlin/FastLED_NeoMatrix for Tiled Matrixes, Zig-Zag and so forth
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FastLED_NeoMatrix *matrix = new FastLED_NeoMatrix(leds, kMatrixWidth, kMatrixHeight,
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NEO_MATRIX_BOTTOM + NEO_MATRIX_RIGHT +
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NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG +
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NEO_TILE_TOP + NEO_TILE_LEFT + NEO_TILE_ROWS);
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/* // this one is used if you are using a ledstrip setup simular to the one from the acryllic spectrum analyzer
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FastLED_NeoMatrix *matrix = new FastLED_NeoMatrix(leds, kMatrixWidth, kMatrixHeight,
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NEO_MATRIX_BOTTOM + NEO_MATRIX_LEFT +
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NEO_MATRIX_COLUMNS + NEO_MATRIX_PROGRESSIVE +
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NEO_TILE_TOP + NEO_TILE_LEFT + NEO_TILE_ROWS);
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*/
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#endif
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// See manual if you need to change these settings
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void SetupHUB75(void){
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#ifdef HUB75
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HUB75_I2S_CFG mxconfig;
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mxconfig.mx_height = PANEL_HEIGHT; // we have 64 pix heigh panels
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mxconfig.mx_width = PANEL_WIDTH;
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mxconfig.chain_length = PANELS_NUMBER; // we have 2 panels chained
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mxconfig.gpio.e = E_PIN; // we MUST assign pin e to some free pin on a board to drive 64 pix height panels with 1/32 scan
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mxconfig.gpio.r1 =R1_PIN;
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mxconfig.gpio.g1 = G1_PIN;
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mxconfig.gpio.b1 = B1_PIN;
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mxconfig.gpio.r2 = R2_PIN;
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mxconfig.gpio.g2 = G2_PIN;
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mxconfig.gpio.b2 = B2_PIN;
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mxconfig.gpio.a = A_PIN;
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mxconfig.gpio.b = B_PIN;
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mxconfig.gpio.c = C_PIN;
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mxconfig.gpio.d = D_PIN;
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mxconfig.gpio.e = E_PIN;
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mxconfig.gpio.lat = LAT_PIN;
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mxconfig.gpio.oe = OE_PIN;
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mxconfig.gpio.clk = CLK_PIN;
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mxconfig.driver = HUB75_I2S_CFG::MBI5124; // in case that we use panels based on FM6126A chip, we can change that
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mxconfig.clkphase = true; // some panels need a reversed clockpulse I first encountered it in batch may 2021 PH3 64*64 V4.1 HX
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mxconfig.latch_blanking = 4;
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//mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_20M;
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// OK, now we can create our matrix object
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dma_display = new MatrixPanel_I2S_DMA(mxconfig);
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// dma_display->setLatBlanking(2);
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// let's adjust default brightness to about xx%
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dma_display->setBrightness8(50); // range is 0-255, 0 - 0%, 255 - 100%
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//dma_display->setBrightness8(map(analogRead(BRIGHTNESSPOT),0,4095,10,BRIGHTNESSMAX));
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// Allocate memory and start DMA display
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if( not dma_display->begin() )
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Serial.println("****** !KABOOM! I2S memory allocation failed ***********");
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#endif
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}
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void SetupLEDSTRIP(void){
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#ifdef Ledstrip
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FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalSMD5050);
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FastLED.setMaxPowerInVoltsAndMilliamps(LED_VOLTS, MAX_MILLIAMPS);
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FastLED.setBrightness(BRIGHTNESSMARK);
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FastLED.clear();
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#endif
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}
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