ScStw/ESP32-HUB75-MatrixPanel-DMA
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Update esp32_i2s_parallel_dma.cpp

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mrcodetastic 2024-07-17 23:38:35 +01:00
parent cee3dca28c
commit fb9a99339b
1 changed files with 4 additions and 1 deletions
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src/platforms/esp32/esp32_i2s_parallel_dma.cpp
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@ -238,7 +238,10 @@ Modified heavily for the ESP32 HUB75 DMA library by:
dev->clkm_conf.clkm_div_a = 1; // Clock denominator dev->clkm_conf.clkm_div_a = 1; // Clock denominator
dev->clkm_conf.clkm_div_b = 0; // Clock numerator dev->clkm_conf.clkm_div_b = 0; // Clock numerator
dev->clkm_conf.clkm_div_num = 5; // 160 / 5 = 32 Mhz ('fi2s') unsigned int _div_num = (freq > 8000000) ? 3:5; // 8 mhz or 13mhz (eventual output after factoring in tx_bck_div_num)
// Divider of 2 works theoretically with SRAM (22mhz output rate!)
dev->clkm_conf.clkm_div_num = _div_num;
dev->clkm_conf.clk_en = 1; dev->clkm_conf.clk_en = 1;
// Binary clock // Binary clock