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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

7
Marlin/src/HAL/STM32F1/tft/tft_fsmc.h
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@ -61,4 +61,11 @@ class TFT_FSMC {
static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_MODE, Data, Count); }
static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_CIRC_MODE, &Data, Count); }
static void WriteMultiple(uint16_t Color, uint32_t Count) {
static uint16_t Data; Data = Color;
while (Count > 0) {
TransmitDMA(DMA_CIRC_MODE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
}
}
};

15
Marlin/src/HAL/STM32F1/tft/tft_spi.cpp
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@ -22,7 +22,7 @@
#include "../../../inc/MarlinConfig.h"
#if HAS_SPI_TFT
#if HAS_SPI_TFT || ENABLED(TFT_LVGL_UI_SPI)
#include "tft_spi.h"
@ -103,16 +103,21 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
#if !PIN_EXISTS(TFT_MISO)
return 0;
#else
uint16_t d = 0;
uint8_t d = 0;
uint32_t data = 0;
SPIx.setClockDivider(SPI_CLOCK_DIV16);
DataTransferBegin(DATASIZE_8BIT);
WriteReg(Reg);
SPI.read((uint8_t*)&d, 1); //dummy read
SPI.read((uint8_t*)&d, 1);
LOOP_L_N(i, 4) {
SPIx.read((uint8_t*)&d, 1);
data = (data << 8) | d;
}
DataTransferEnd();
SPIx.setClockDivider(SPI_CLOCK_MAX);
return d >> 7;
return data >> 7;
#endif
}

7
Marlin/src/HAL/STM32F1/tft/tft_spi.h
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@ -62,4 +62,11 @@ public:
static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
static void WriteMultiple(uint16_t Color, uint32_t Count) {
static uint16_t Data; Data = Color;
while (Count > 0) {
TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
}
}
};