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HUB75 - lower color depth for larger panels

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This commit is contained in:
Will Tatam
2024-10-10 22:27:41 +01:00
parent f1b9952bf9
commit de8a3666ec
1 changed files with 24 additions and 5 deletions
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29
wled00/bus_manager.cpp
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@@ -816,6 +816,7 @@ void BusNetwork::cleanup() {
// ***************************************************************************
#ifdef WLED_ENABLE_HUB75MATRIX
#warning "HUB75 driver enabled (experimental)"
#ifdef ESP8266
#error ESP8266 does not support HUB75
#endif
@@ -826,9 +827,12 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
_hasRgb = true;
_hasWhite = false;
mxconfig.double_buff = false; // default to off, known to cause issue with some effects but needs more memory
mxconfig.double_buff = false; // Use our own memory-optimised buffer rather than the driver's own double-buffer
// mxconfig.driver = HUB75_I2S_CFG::ICN2038S; // experimental - use specific shift register driver
//mxconfig.latch_blanking = 3;
// mxconfig.driver = HUB75_I2S_CFG::FM6124; // try this driver in case you panel stays dark, or when colors look too pastel
// mxconfig.latch_blanking = 3;
// mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M; // experimental - 5MHZ should be enugh, but colours looks slightly better at 10MHz
//mxconfig.min_refresh_rate = 90;
//mxconfig.min_refresh_rate = 120;
@@ -863,6 +867,13 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
return;
}
#if defined(CONFIG_IDF_TARGET_ESP32) || defined(CONFIG_IDF_TARGET_ESP32S2)// classic esp32, or esp32-s2: reduce bitdepth for large panels
if (mxconfig.mx_height >= 64) {
if (mxconfig.chain_length * mxconfig.mx_width > 192) mxconfig.setPixelColorDepthBits(3);
else if (mxconfig.chain_length * mxconfig.mx_width > 64) mxconfig.setPixelColorDepthBits(4);
else mxconfig.setPixelColorDepthBits(8);
} else mxconfig.setPixelColorDepthBits(8);
#endif
mxconfig.chain_length = max((u_int8_t) 1, min(bc.pins[2], (u_int8_t) 4)); // prevent bad data preventing boot due to low memory
@@ -878,7 +889,7 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
// https://www.adafruit.com/product/5778
DEBUG_PRINTLN("MatrixPanel_I2S_DMA - Matrix Portal S3 config");
mxconfig.gpio = { 42, 41, 40, 38, 39, 37, 45, 36, 48, 35, 21, 47, 14, 2 };
mxconfig.gpio = { 42, 41, 40, 38, 39, 37, 45, 36, 48, 35, 21, 47, 14, 2 };
#elif defined(ESP32_FORUM_PINOUT) // Common format for boards designed for SmartMatrix
@@ -933,6 +944,11 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
// OK, now we can create our matrix object
display = new MatrixPanel_I2S_DMA(mxconfig);
if (display == nullptr) {
DEBUG_PRINTLN("****** MatrixPanel_I2S_DMA !KABOOM! driver allocation failed ***********");
DEBUG_PRINT(F("heap usage: ")); DEBUG_PRINTLN(lastHeap - ESP.getFreeHeap());
return;
}
this->_len = (display->width() * display->height());
DEBUG_PRINTF("Length: %u\n", _len);
@@ -946,13 +962,16 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
display->setBrightness8(25); // range is 0-255, 0 - 0%, 255 - 100%
delay(24); // experimental
DEBUG_PRINT(F("heap usage: ")); DEBUG_PRINTLN(lastHeap - ESP.getFreeHeap());
// Allocate memory and start DMA display
if( not display->begin() ) {
DEBUG_PRINTLN("****** MatrixPanel_I2S_DMA !KABOOM! I2S memory allocation failed ***********");
DEBUG_PRINT(F("heap usage: ")); DEBUG_PRINTLN(lastHeap - ESP.getFreeHeap());
return;
}
else {
DEBUG_PRINTLN("MatrixPanel_I2S_DMA begin ok");
DEBUG_PRINT(F("heap usage: ")); DEBUG_PRINTLN(lastHeap - ESP.getFreeHeap());
delay(18); // experiment - give the driver a moment (~ one full frame @ 60hz) to settle
_valid = true;
display->clearScreen(); // initially clear the screen buffer
@@ -962,13 +981,14 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
if (_ledsDirty) free(_ledsDirty); // should not happen
DEBUG_PRINTLN("MatrixPanel_I2S_DMA allocate memory");
_ledsDirty = (byte*) malloc(getBitArrayBytes(_len)); // create LEDs dirty bits
DEBUG_PRINTLN("MatrixPanel_I2S_DMA allocate memory ok");
DEBUG_PRINTLN("MatrixPanel_I2S_DMA allocate memory ok");
if (_ledsDirty == nullptr) {
display->stopDMAoutput();
delete display; display = nullptr;
_valid = false;
DEBUG_PRINTLN(F("MatrixPanel_I2S_DMA not started - not enough memory for dirty bits!"));
DEBUG_PRINT(F("heap usage: ")); DEBUG_PRINTLN(lastHeap - ESP.getFreeHeap());
return; // fail is we cannot get memory for the buffer
}
setBitArray(_ledsDirty, _len, false); // reset dirty bits
@@ -1040,7 +1060,6 @@ uint32_t BusHub75Matrix::getPixelColor(uint16_t pix) const {
void BusHub75Matrix::setBrightness(uint8_t b) {
_bri = b;
if (_bri > 238) _bri=238;
display->setBrightness(_bri);
}