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Update ESP32-HUB75-MatrixPanel-I2S-DMA.h

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mrfaptastic 2021-09-19 22:46:25 +01:00
parent 6f8d9c0fa2
commit f2b77d95b1
1 changed files with 59 additions and 38 deletions
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ESP32-HUB75-MatrixPanel-I2S-DMA.h
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@ -1,5 +1,18 @@
#ifndef _ESP32_RGB_64_32_MATRIX_PANEL_I2S_DMA #ifndef _ESP32_RGB_64_32_MATRIX_PANEL_I2S_DMA
#define _ESP32_RGB_64_32_MATRIX_PANEL_I2S_DMA #define _ESP32_RGB_64_32_MATRIX_PANEL_I2S_DMA
/***************************************************************************************/
/* Core ESP32 hardware / idf includes! */
#include <vector>
#include <memory>
#include "esp_heap_caps.h"
#include "esp32_i2s_parallel_dma.h"
#ifdef USE_GFX_ROOT
#include <FastLED.h>
#include "GFX.h" // Adafruit GFX core class -> https://github.com/mrfaptastic/GFX_Root
#elif !defined NO_GFX
#include "Adafruit_GFX.h" // Adafruit class with all the other stuff
#endif
/******************************************************************************************* /*******************************************************************************************
* COMPILE-TIME OPTIONS - MUST BE PROVIDED as part of PlatformIO project build_flags. * * COMPILE-TIME OPTIONS - MUST BE PROVIDED as part of PlatformIO project build_flags. *
@ -46,22 +59,44 @@
/* ESP32 Default Pin definition. You can change this, but best if you keep it as is and provide custom pin mappings /* ESP32 Default Pin definition. You can change this, but best if you keep it as is and provide custom pin mappings
* as part of the begin(...) function. * as part of the begin(...) function.
*/ */
#define R1_PIN_DEFAULT 25
#define G1_PIN_DEFAULT 26
#define B1_PIN_DEFAULT 27
#define R2_PIN_DEFAULT 14
#define G2_PIN_DEFAULT 12
#define B2_PIN_DEFAULT 13
#define A_PIN_DEFAULT 23 #ifdef ESP32_SXXX
#define B_PIN_DEFAULT 19
#define C_PIN_DEFAULT 5
#define D_PIN_DEFAULT 17
#define E_PIN_DEFAULT -1 // IMPORTANT: Change to a valid pin if using a 64x64px panel.
#define LAT_PIN_DEFAULT 4 #define R1_PIN_DEFAULT 45
#define OE_PIN_DEFAULT 15 #define G1_PIN_DEFAULT 42
#define CLK_PIN_DEFAULT 16 #define B1_PIN_DEFAULT 41
#define R2_PIN_DEFAULT 40
#define G2_PIN_DEFAULT 39
#define B2_PIN_DEFAULT 38
#define A_PIN_DEFAULT 37
#define B_PIN_DEFAULT 36
#define C_PIN_DEFAULT 35
#define D_PIN_DEFAULT 34
#define E_PIN_DEFAULT -1 // required for 1/32 scan panels, like 64x64. Any available pin would do, i.e. IO32
#define LAT_PIN_DEFAULT 26
#define OE_PIN_DEFAULT 21
#define CLK_PIN_DEFAULT 33
#else
#define R1_PIN_DEFAULT 25
#define G1_PIN_DEFAULT 26
#define B1_PIN_DEFAULT 27
#define R2_PIN_DEFAULT 14
#define G2_PIN_DEFAULT 12
#define B2_PIN_DEFAULT 13
#define A_PIN_DEFAULT 23
#define B_PIN_DEFAULT 19
#define C_PIN_DEFAULT 5
#define D_PIN_DEFAULT 17
#define E_PIN_DEFAULT -1 // IMPORTANT: Change to a valid pin if using a 64x64px panel.
#define LAT_PIN_DEFAULT 4
#define OE_PIN_DEFAULT 15
#define CLK_PIN_DEFAULT 16
#endif
// Interesting Fact: We end up using a uint16_t to send data in parallel to the HUB75... but // Interesting Fact: We end up using a uint16_t to send data in parallel to the HUB75... but
// given we only map to 14 physical output wires/bits, we waste 2 bits. // given we only map to 14 physical output wires/bits, we waste 2 bits.
@ -84,20 +119,6 @@
// #define NO_CIE1931 // #define NO_CIE1931
/***************************************************************************************/
/* Core ESP32 hardware / idf includes! */
#include <vector>
#include <memory>
#include "esp_heap_caps.h"
#include "esp32_i2s_parallel_dma.h"
#ifdef USE_GFX_ROOT
#include <FastLED.h>
#include "GFX.h" // Adafruit GFX core class -> https://github.com/mrfaptastic/GFX_Root
#elif !defined NO_GFX
#include "Adafruit_GFX.h" // Adafruit class with all the other stuff
#endif
/***************************************************************************************/ /***************************************************************************************/
/* Definitions below should NOT be ever changed without rewriting library logic */ /* Definitions below should NOT be ever changed without rewriting library logic */
@ -348,7 +369,7 @@ class MatrixPanel_I2S_DMA {
/* Propagate the DMA pin configuration, allocate DMA buffs and start data ouput, initialy blank */ /* Propagate the DMA pin configuration, allocate DMA buffs and start data ouput, initialy blank */
bool begin(){ bool begin(){
if (initialized) return true; // we don't do this twice or more! if (initialized) return true; // we don't do this twice or more!
// Change 'if' to '1' to enable, 0 to not include this Serial output in compiled program // Change 'if' to '1' to enable, 0 to not include this Serial output in compiled program
#if SERIAL_DEBUG #if SERIAL_DEBUG
@ -465,8 +486,8 @@ class MatrixPanel_I2S_DMA {
void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b); void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b);
#ifdef USE_GFX_ROOT #ifdef USE_GFX_ROOT
// 24bpp FASTLED CRGB colour struct support // 24bpp FASTLED CRGB colour struct support
void fillScreen(CRGB color); void fillScreen(CRGB color);
void drawPixel(int16_t x, int16_t y, CRGB color); void drawPixel(int16_t x, int16_t y, CRGB color);
#endif #endif
@ -503,7 +524,7 @@ class MatrixPanel_I2S_DMA {
while(i2s_parallel_is_previous_buffer_free() == false) { } while(i2s_parallel_is_previous_buffer_free() == false) { }
// Flip to other buffer as the backbuffer. // Flip to other buffer as the backbuffer.
// i.e. Graphic changes happen to this buffer, but aren't displayed until flipDMABuffer() is called again. // i.e. Graphic changes happen to this buffer, but aren't displayed until flipDMABuffer() is called again.
back_buffer_id ^= 1; back_buffer_id ^= 1;
} }