I had a working LED matrix display clock (8 high, 32 wide) running nodeMCUv2 in the old situation. I was not able to update the device because fasted was not supported anymore. Because there were sides like chatgpt o thought, I give it a try. But after trying for a day I don’t have it working anymore and I don’t know how to solve this.
Beneath the original old but working config I had. It has also some includes because the matrix has some sort of zigzag setup but I don’t know how to integrate that in my new setup.
led_matrix.yaml
substitutions:
devicename: led_matrix
esphome:
name: $devicename
platform: ESP8266
board: nodemcuv2
includes:
- my_matrixled_display.h
wifi:
ssid: "xxx"
password: "xxx"
logger:
level: info
debug:
web_server:
port: 80
api:
encryption:
key:xxx
ota:
- platform: esphome
password: "xxx"
font:
- id: tinyfont
file: "DejaVuSans-Bold.ttf"
size: 9
glyphs: '♡Ωäöüß!"%()+,-_.:*=°?~#0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz'
time:
- platform: sntp
id: rtc
light:
- platform: fastled_clockless
chipset: WS2812B
rgb_order: GRB
pin: GPIO12
num_leds: 256
name: "$devicename Light"
id: mylight
color_correct: [40%, 40%, 40%]
effects:
- random:
- random:
name: Random Effect With Custom Values
transition_length: 5s
update_interval: 7s
- flicker:
- flicker:
name: Flicker Effect With Custom Values
alpha: 95%
intensity: 1.5%
- addressable_rainbow:
- addressable_rainbow:
name: Rainbow Effect With Custom Values
speed: 10
width: 50
- addressable_lambda:
name: "My Simple Counter"
update_interval: 3000ms
lambda: |-
static int run = 0;
static auto matrixled = new MatrixLedDisplay();
matrixled->set_addr_light((light::AddressableLight *) &it);
matrixled->set_width(8);
matrixled->set_height(32);
matrixled->set_rotation(display::DISPLAY_ROTATION_90_DEGREES);
matrixled->clear();
matrixled->printf(matrixled->get_width()/2, matrixled->get_height()/2,
id(tinyfont), COLOR_ON, TextAlign::CENTER,
"%i", run % 10);
run++;
- addressable_lambda:
name: "Clock"
update_interval: 500ms
lambda: |-
static char text[16] = "??:??";
static uint16_t run = 0;
static int width;
static float charwidth = 10;
static int x_offset;
static int baseline;
static int height;
static auto matrixled = new MatrixLedDisplay();
matrixled->set_addr_light((light::AddressableLight *) &it);
matrixled->set_width(8);
matrixled->set_height(32);
matrixled->set_rotation(display::DISPLAY_ROTATION_90_DEGREES);
matrixled->set_fg_color(current_color);
matrixled->clear();
id(rtc).now().strftime(text, sizeof(text), "%H:%M");
id(tinyfont)->measure(text, &width, &x_offset, &baseline, &height); charwidth = float(width) / strlen(text);
ESP_LOGD("main", "Displaying \"%s\"", text);
matrixled->printf(matrixled->get_width()/2, matrixled->get_height()/2, id(tinyfont), COLOR_ON, TextAlign::CENTER, text);
run++;
display:
my_matrixled_display.h
#include "esphome.h"
using namespace esphome;
// returns the new bytepos
uint16_t get_next_char(const char *text, display::Font *font, uint16_t byte_pos,
char *buf, uint16_t buf_len) {
assert(buf_len > 0);
if (text[byte_pos] == '\0') // finished, start over!
byte_pos = 0;
int glyph_length;
int glyph_n = font->match_next_glyph(text + byte_pos, &glyph_length);
int i = 0;
if (glyph_n >= 0) { // valid glyph, save it to buf
while ((i < glyph_length) && (i < (buf_len - 1))) { // copy
buf[i] = text[byte_pos + i];
i++;
}
byte_pos += glyph_length;
} else
byte_pos += 1; // invalid glyph, advance one byte
buf[i++] = 0; // terminate string
return byte_pos;
}
class MatrixLedDisplay : public display::DisplayBuffer {
public:
void set_addr_light(light::AddressableLight *lights) {
this->lights = lights;
}
void set_fg_color(const light::ESPColor &fg_color) {
this->fg_color = fg_color;
}
void set_bg_color(const light::ESPColor &bg_color) {
this->bg_color = bg_color;
}
void set_width(const uint8_t width) { this->width = width; }
void set_height(const uint8_t height) { this->height = height; }
void dump_buffer() {
ESP_LOGD("MatrixLedDisplay", "----- %4i x %4i -------",
this->get_width_internal(), get_height_internal());
for (int row = 0; row < this->get_height_internal(); row++) {
char text[this->get_width_internal() * 9 + 1];
for (int col = 0; col < this->get_width_internal(); col++) {
int pos = col + row * this->get_width_internal();
if ((pos < 0) || (pos > (this->width * this->height))) {
ESP_LOGD("MatrixLedDisplay", "Error at pos=%i", pos);
continue;
}
sprintf(&text[col*9], "%8x ", (*(this->lights))[pos].get().raw_32);
}
ESP_LOGD("MatrixLedDisplay", "%4i |%s|", row, text);
};
};
protected:
void draw_absolute_pixel_internal(int x, int y, int color) override {
if (x >= this->get_width_internal() || x < 0 ||
y >= this->get_height_internal() || y < 0)
return;
if ((y & 0x01) == 0)
x = this->get_width_internal() - x - 1;
uint16_t pos = x + y * this->get_width_internal();
if (pos >= (*(this->lights)).size()) {
ESP_LOGD("MatrixLedDisplay",
"Size mismatch of AddressableLight and Matrix, could not get "
"light %i",
pos);
return;
}
if (color) {
(*(this->lights))[pos] = this->fg_color;
} else {
(*(this->lights))[pos] = this->bg_color;
}
}
int get_height_internal() override { return this->height; }
int get_width_internal() override { return this->width; }
uint8_t width{32};
uint8_t height{8};
light::AddressableLight *lights;
light::ESPColor fg_color = light::ESPColor(0xff, 0xff, 0xff);
light::ESPColor bg_color = light::ESPColor(0x00, 0x00, 0x00);
};
I hope someone can point me in the right direction getting this thing fixed once and for all e.g. deepseek and chatgpt were not able to get this fixed via my commands…!
