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Optimize LVGL with HAL TFT IO (SPI and FSMC) (#18974)

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This commit is contained in:
Victor Oliveira
2020-08-13 20:31:59 -03:00
committed by GitHub
parent 3b9e0c3dde
commit ff5c8d3570
16 changed files with 181 additions and 775 deletions
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16
Marlin/src/HAL/STM32F1/tft/tft_fsmc.cpp
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@@ -22,7 +22,7 @@
#include "../../../inc/MarlinConfig.h"
#if HAS_FSMC_TFT
#if HAS_FSMC_TFT || ENABLED(TFT_LVGL_UI_FSMC)
#include "tft_fsmc.h"
#include <libmaple/fsmc.h>
@@ -224,13 +224,15 @@ void TFT_FSMC::Abort() {
}
void TFT_FSMC::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | MemoryIncrease);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Count);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
#if defined(FSMC_DMA_DEV) && defined(FSMC_DMA_CHANNEL)
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | MemoryIncrease);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Count);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
#endif
}
#endif // HAS_FSMC_TFT