ScStw/ESP32-HUB75-MatrixPanel-DMA
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This commit is contained in:
mrcodetastic 2025-03-16 00:12:35 +00:00
parent 1d25183895
commit 2a91f7e5d6
2 changed files with 6 additions and 4 deletions

8
src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
View file

@ -130,9 +130,9 @@ bool MatrixPanel_I2S_DMA::setupDMA(const HUB75_I2S_CFG &_cfg)
*/
int dma_descs_per_row_1cdepth = (frame_buffer[0].rowBits[0]->getColorDepthSize(true) + DMA_MAX - 1 ) / DMA_MAX;
size_t last_dma_desc_bytes_1cdepth = (frame_buffer[0].rowBits[0]->getColorDepthSize(true) % DMA_MAX);
size_t last_dma_desc_bytes_1cdepth = (frame_buffer[0].rowBits[0]->getColorDepthSize(true) % DMA_MAX);
int dma_descs_per_row_all_cdepths = (frame_buffer[0].rowBits[0]->getColorDepthSize(false) + DMA_MAX - 1 ) / DMA_MAX;
int dma_descs_per_row_all_cdepths = (frame_buffer[0].rowBits[0]->getColorDepthSize(false) + DMA_MAX - 1 ) / DMA_MAX;
size_t last_dma_desc_bytes_all_cdepths = (frame_buffer[0].rowBits[0]->getColorDepthSize(false) % DMA_MAX);
// Logging the calculated values
@ -190,7 +190,7 @@ bool MatrixPanel_I2S_DMA::setupDMA(const HUB75_I2S_CFG &_cfg)
size_t payload_bytes = (dma_desc_all == (dma_descs_per_row_all_cdepths-1)) ? last_dma_desc_bytes_all_cdepths:DMA_MAX;
// Log the current descriptor number and the payload size being used.
//ESP_LOGV("I2S-DMA", "Processing dma_desc_all: %d, payload_bytes: %zu", dma_desc_all, payload_bytes);
//ESP_LOGV("I2S-DMA", "Processing dma_desc_all: %d, payload_bytes: %zu, memory location: %p", dma_desc_all, payload_bytes, (frame_buffer[fb].rowBits[row]->getDataPtr(0)+(dma_desc_all*(DMA_MAX/sizeof(ESP32_I2S_DMA_STORAGE_TYPE)))));
dma_bus.create_dma_desc_link(frame_buffer[fb].rowBits[row]->getDataPtr(0)+(dma_desc_all*(DMA_MAX/sizeof(ESP32_I2S_DMA_STORAGE_TYPE))), payload_bytes);
_dmadescriptor_count++;
@ -214,7 +214,7 @@ bool MatrixPanel_I2S_DMA::setupDMA(const HUB75_I2S_CFG &_cfg)
size_t payload_bytes = (dma_desc_1cdepth == (dma_descs_per_row_1cdepth-1)) ? last_dma_desc_bytes_1cdepth:DMA_MAX;
// Log the current bit and the corresponding payload size.
// ESP_LOGV("I2S-DMA", "Processing color depth bit: %d, payload_bytes: %zu", i, payload_bytes);
//ESP_LOGV("I2S-DMA", "Processing dma_desc_1cdepth: %d, payload_bytes: %zu, memory location: %p", dma_desc_1cdepth, payload_bytes, (frame_buffer[fb].rowBits[row]->getDataPtr(i)+(dma_desc_1cdepth*(DMA_MAX/sizeof(ESP32_I2S_DMA_STORAGE_TYPE)))));
dma_bus.create_dma_desc_link(frame_buffer[fb].rowBits[row]->getDataPtr(i)+(dma_desc_1cdepth*(DMA_MAX/sizeof(ESP32_I2S_DMA_STORAGE_TYPE))), payload_bytes);
_dmadescriptor_count++;

2
src/ESP32-HUB75-MatrixPanel-I2S-DMA.h
View file

@ -455,6 +455,8 @@ public:
// Trick library into dropping colour depth slightly when using PSRAM.
m_cfg.i2sspeed = HUB75_I2S_CFG::HZ_8M;
#endif
ESP_LOGI("begin()", "HUB75 effective display resolution of width: %dpx height: %dpx.", m_cfg.mx_width * m_cfg.chain_length, m_cfg.mx_height);
/* As DMA buffers are dynamically allocated, we must allocated in begin()
* Ref: https://github.com/espressif/arduino-esp32/issues/831