131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
#include <Arduino.h>
|
|
#include "xtensa/core-macros.h"
|
|
#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
|
|
|
|
#include "main.h"
|
|
|
|
#include "caveatbrush9pt7b.h"
|
|
#include "overlay.h"
|
|
|
|
#define R1 42
|
|
#define G1 40
|
|
#define BL1 41
|
|
#define R2 38
|
|
#define G2 37
|
|
#define BL2 39
|
|
#define CH_A 45
|
|
#define CH_B 36
|
|
#define CH_C 48
|
|
#define CH_D 35
|
|
#define CH_E 21
|
|
#define CLK 2
|
|
#define LAT 47
|
|
#define OE 14
|
|
|
|
#define PIN_E 21
|
|
#define PANEL_WIDTH 64
|
|
#define PANEL_HEIGHT 32 // Panel height of 64 will required PIN_E to be defined.
|
|
|
|
#define PANELS_NUMBER 1
|
|
|
|
#define PANE_WIDTH PANEL_WIDTH * PANELS_NUMBER
|
|
#define PANE_HEIGHT PANEL_HEIGHT
|
|
#define NUM_LEDS PANE_WIDTH*PANE_HEIGHT
|
|
|
|
#define ONBOARD_LED 13
|
|
|
|
MatrixPanel_I2S_DMA *matrix = nullptr;
|
|
|
|
int line_pos[PANEL_WIDTH]; // where a rain marker is (y coordinate)
|
|
int line_length[PANEL_WIDTH]; // how long a line is for a given x coord
|
|
int line_speed[PANEL_WIDTH]; // how fast each line moves
|
|
unsigned long line_last_moved[PANEL_WIDTH];
|
|
|
|
typedef struct {
|
|
bool reached_bottom = false;
|
|
int y;
|
|
int length;
|
|
int speed;
|
|
unsigned long last_moved;
|
|
} Raindrop;
|
|
|
|
Raindrop raindrops[PANEL_WIDTH];
|
|
|
|
void setup(){
|
|
Serial.begin(BAUD_RATE);
|
|
pinMode(ONBOARD_LED, OUTPUT);
|
|
|
|
for (int i = 0; i<PANEL_WIDTH; i++) {
|
|
raindrops[i].y = 0 - random(24);
|
|
raindrops[i].length = random(20, 28);
|
|
raindrops[i].speed = random(25, 100);
|
|
raindrops[i].last_moved = millis();
|
|
//raindrops[i].reached_bottom = false;
|
|
}
|
|
// redefine pins if required
|
|
HUB75_I2S_CFG::i2s_pins _pins={R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK};
|
|
HUB75_I2S_CFG mxconfig(PANEL_WIDTH, PANEL_HEIGHT, PANELS_NUMBER, _pins);
|
|
|
|
mxconfig.gpio.e = PIN_E;
|
|
mxconfig.driver = HUB75_I2S_CFG::FM6126A; // for panels using FM6126A chips
|
|
|
|
mxconfig.latch_blanking = 4;
|
|
mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;
|
|
mxconfig.clkphase = false;
|
|
|
|
mxconfig.double_buff = true;
|
|
|
|
matrix = new MatrixPanel_I2S_DMA(mxconfig);
|
|
matrix->begin();
|
|
matrix->setBrightness8(64);
|
|
matrix->fillScreenRGB888(0, 0, 0);
|
|
matrix->setFont(&CaveatBrush_Regular9pt7b);
|
|
}
|
|
|
|
void loop() {
|
|
matrix ->flipDMABuffer();
|
|
matrix->clearScreen();
|
|
delay(25);
|
|
//matrix ->drawBitmap(0, 0, overlay, 64, 32, matrix->color565(64, 0, 0));
|
|
unsigned long timestamp = millis();
|
|
for (int x = 0; x < PANEL_WIDTH; x++) {
|
|
if ((timestamp - raindrops[x].last_moved) > raindrops[x].speed) {
|
|
// step down a pixel
|
|
raindrops[x].y++;
|
|
raindrops[x].last_moved = timestamp;
|
|
}
|
|
if (raindrops[x].y > PANEL_HEIGHT) {
|
|
raindrops[x].y = 0;
|
|
raindrops[x].reached_bottom = true;
|
|
}
|
|
if (raindrops[x].y >= 0) {
|
|
//draw our pixel
|
|
matrix->drawPixel(x, raindrops[x].y, matrix->color565(128, 255, 128));
|
|
// draw our trail
|
|
for (int trail_offset = 1; trail_offset < raindrops[x].length; trail_offset++) {
|
|
int trail_y = raindrops[x].y - trail_offset;
|
|
if (trail_y >= 0) {
|
|
int pixel_num = (trail_y * PANEL_WIDTH) + x;
|
|
if (overlay[ pixel_num / 8 ] & (1 << (7 - (pixel_num % 8)) )) {
|
|
matrix->drawPixel(x, trail_y, matrix->color565(128, 255, 128));
|
|
} else {
|
|
matrix->drawPixel(x, trail_y, matrix->color565(0, (255 / raindrops[x].length) * (raindrops[x].length - trail_offset), 0));
|
|
}
|
|
} else if (raindrops[x].reached_bottom) {
|
|
int pixel_num = ((PANEL_HEIGHT + trail_y) * PANEL_WIDTH) + x;
|
|
if (line_pos[x] >= 0) {
|
|
if (overlay[ pixel_num / 8 ] & (1 << (7 - (pixel_num % 8)) )) {
|
|
matrix->drawPixel(x, PANEL_HEIGHT + trail_y, matrix->color565(128, 255, 128));
|
|
} else {
|
|
matrix->drawPixel(x, PANEL_HEIGHT + trail_y, matrix->color565(0,(255 / raindrops[x].length) * (raindrops[x].length - trail_offset), 0));
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|