Working LCD_USE_DMA_FSMC (#19522)

2020-09-28 04:28:48 +02:00
parent 7415e4e66d
commit f3de0f6c53
2 changed files with 11 additions and 1 deletions
--- a/Marlin/src/HAL/STM32F1/tft/tft_fsmc.cpp
+++ b/Marlin/src/HAL/STM32F1/tft/tft_fsmc.cpp
@ -89,6 +89,16 @@ void TFT_FSMC::Init() {
  uint8_t cs = FSMC_CS_PIN, rs = FSMC_RS_PIN;
  uint32_t controllerAddress;

+  #if PIN_EXISTS(TFT_BACKLIGHT)
+    OUT_WRITE(TFT_BACKLIGHT_PIN, DISABLED(DELAYED_BACKLIGHT_INIT));
+  #endif
+
+  #if ENABLED(LCD_USE_DMA_FSMC)
+    dma_init(FSMC_DMA_DEV);
+    dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
+    dma_set_priority(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, DMA_PRIORITY_MEDIUM);
+  #endif
+
  #if PIN_EXISTS(TFT_RESET)
    OUT_WRITE(TFT_RESET_PIN, HIGH);
    delay(100);