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⚡️ SPI+DMA+interrupt method (STM32 / MKS UI) (#23464)

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This commit is contained in:
Sola
2022-01-16 13:07:37 +08:00
committed by Scott Lahteine
parent 01cb7c19f9
commit a80cafbcfc
8 changed files with 110 additions and 12 deletions
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5
Marlin/src/lcd/extui/mks_ui/draw_ui.cpp
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@ -1331,7 +1331,6 @@ void lv_screen_menu_item_onoff_update(lv_obj_t *btn, const bool curValue) {
lv_label_set_text((lv_obj_t*)btn->child_ll.head, curValue ? machine_menu.enable : machine_menu.disable);
}
#if ENABLED(SDSUPPORT)
void sd_detection() {
@ -1360,7 +1359,9 @@ void print_time_count() {
}
void LV_TASK_HANDLER() {
lv_task_handler();
if (TERN1(USE_SPI_DMA_TC, !get_lcd_dma_lock()))
lv_task_handler();
#if BOTH(MKS_TEST, SDSUPPORT)
if (mks_test_flag == 0x1E) mks_hardware_test();

52
Marlin/src/lcd/extui/mks_ui/tft_lvgl_configuration.cpp
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@ -133,6 +133,27 @@ void tft_lvgl_init() {
watchdog_refresh(); // LVGL init takes time
#if ENABLED(USB_FLASH_DRIVE_SUPPORT)
uint16_t usb_flash_loop = 1000;
#if ENABLED(MULTI_VOLUME) && !HAS_SD_HOST_DRIVE
SET_INPUT_PULLUP(SD_DETECT_PIN);
if (READ(SD_DETECT_PIN) == LOW) card.changeMedia(&card.media_driver_sdcard);
else card.changeMedia(&card.media_driver_usbFlash);
#endif
do {
card.media_driver_usbFlash.idle();
watchdog_refresh();
delay(2);
} while (!card.media_driver_usbFlash.isInserted() && usb_flash_loop--);
card.mount();
#elif HAS_LOGO_IN_FLASH
delay(1000);
watchdog_refresh();
delay(1000);
#endif
watchdog_refresh(); // LVGL init takes time
#if ENABLED(SDSUPPORT)
UpdateAssets();
watchdog_refresh(); // LVGL init takes time
@ -231,19 +252,44 @@ void tft_lvgl_init() {
#endif
}
static lv_disp_drv_t* disp_drv_p;
#if ENABLED(USE_SPI_DMA_TC)
bool lcd_dma_trans_lock = false;
#endif
void dmc_tc_handler(struct __DMA_HandleTypeDef * hdma) {
#if ENABLED(USE_SPI_DMA_TC)
lv_disp_flush_ready(disp_drv_p);
lcd_dma_trans_lock = false;
TFT_SPI::Abort();
#endif
}
void my_disp_flush(lv_disp_drv_t * disp, const lv_area_t * area, lv_color_t * color_p) {
uint16_t width = area->x2 - area->x1 + 1,
height = area->y2 - area->y1 + 1;
TERN_(USE_SPI_DMA_TC, disp_drv_p = disp);
SPI_TFT.setWindow((uint16_t)area->x1, (uint16_t)area->y1, width, height);
SPI_TFT.tftio.WriteSequence((uint16_t*)color_p, width * height);
lv_disp_flush_ready(disp); // Indicate you are ready with the flushing
#if ENABLED(USE_SPI_DMA_TC)
lcd_dma_trans_lock = true;
SPI_TFT.tftio.WriteSequenceIT((uint16_t*)color_p, width * height);
TFT_SPI::DMAtx.XferCpltCallback = dmc_tc_handler;
#else
SPI_TFT.tftio.WriteSequence((uint16_t*)color_p, width * height);
lv_disp_flush_ready(disp_drv_p); // Indicate you are ready with the flushing
#endif
W25QXX.init(SPI_QUARTER_SPEED);
}
#if ENABLED(USE_SPI_DMA_TC)
bool get_lcd_dma_lock() { return lcd_dma_trans_lock; }
#endif
void lv_fill_rect(lv_coord_t x1, lv_coord_t y1, lv_coord_t x2, lv_coord_t y2, lv_color_t bk_color) {
uint16_t width, height;
width = x2 - x1 + 1;

2
Marlin/src/lcd/extui/mks_ui/tft_lvgl_configuration.h
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@ -64,6 +64,8 @@ lv_fs_res_t sd_tell_cb(lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p);
void lv_fill_rect(lv_coord_t x1, lv_coord_t y1, lv_coord_t x2, lv_coord_t y2, lv_color_t bk_color);
bool get_lcd_dma_lock();
#ifdef __cplusplus
} /* C-declarations for C++ */
#endif

5
Marlin/src/lcd/tft_io/tft_io.h
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@ -121,6 +121,11 @@ public:
inline static void WriteReg(uint16_t Reg) { io.WriteReg(Reg); };
inline static void WriteSequence(uint16_t *Data, uint16_t Count) { io.WriteSequence(Data, Count); };
#if ENABLED(USE_SPI_DMA_TC)
inline static void WriteSequenceIT(uint16_t *Data, uint16_t Count) { io.WriteSequenceIT(Data, Count); };
#endif
// static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
inline static void WriteMultiple(uint16_t Color, uint32_t Count) { io.WriteMultiple(Color, Count); };