优化fsmc刷屏速度

Author: inkMa

407ZG_TFT/407ZG_TFT.ioc

@@ -1,6 +1,8 @@
 #MicroXplorer Configuration settings - do not modify
-FSMC.AddressSetupTime1=15
-FSMC.IPParameters=AddressSetupTime1
+FSMC.AddressSetupTime1=5
+FSMC.BusTurnAroundDuration1=5
+FSMC.DataSetupTime1=5
+FSMC.IPParameters=AddressSetupTime1,DataSetupTime1,BusTurnAroundDuration1
 File.Version=6
 KeepUserPlacement=false
 Mcu.Family=STM32F4

407ZG_TFT/Drivers/LCD/lcd_ili9327.c

@@ -7,10 +7,9 @@
 #define     LCD_RS_HIGH     HAL_GPIO_WritePin(GPIOA, LCD_DC_Pin, GPIO_PIN_SET)
 #define     LCD_RES_LOW     HAL_GPIO_WritePin(GPIOA, LCD_RST_Pin, GPIO_PIN_RESET)
 #define     LCD_RES_HIGH    HAL_GPIO_WritePin(GPIOA, LCD_RST_Pin, GPIO_PIN_SET)
-#define LCD_WIDTH 160
-#define LCD_HIGH 128
+#define LCD_WIDTH 400
+#define LCD_HIGH 240
 
-//数据缓存区定义，根据ram的大小，可以自行调节
 
 
 #define TFTLCD_BASE        ((uint32_t)(0x6C000000 | 0x0000007E))
@@ -175,10 +174,10 @@ void LCD_Init(void)
 	LCD_writeData(0x00); 
 
     LCD_writeCmd(0x36);
-    LCD_writeData(0x48);
+    LCD_writeData(0x28);//28 横屏 48竖屏 e8横屏颠倒
 
 	LCD_writeCmd(0x29); //display on
 
-  LCD_fillRect(0,0,239,399,BLACK);
+  //LCD_fillRect(0,0,239,399,BLACK);
 }
 

407ZG_TFT/Src/main.c

@@ -226,12 +226,12 @@ static void MX_FSMC_Init(void)
   hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
   hsram1.Init.PageSize = FSMC_PAGE_SIZE_NONE;
   /* Timing */
-  Timing.AddressSetupTime = 15;
-  Timing.AddressHoldTime = 15;
-  Timing.DataSetupTime = 255;
-  Timing.BusTurnAroundDuration = 15;
-  Timing.CLKDivision = 16;
-  Timing.DataLatency = 17;
+  Timing.AddressSetupTime = 5;
+  Timing.AddressHoldTime = 5;
+  Timing.DataSetupTime = 5;
+  Timing.BusTurnAroundDuration = 0;
+  Timing.CLKDivision = 0;
+  Timing.DataLatency = 0;
   Timing.AccessMode = FSMC_ACCESS_MODE_A;
   /* ExtTiming */
 

407ZG_TFT/ThirdPartyLib/lvgl/lv_conf.h

@@ -20,8 +20,8 @@
  *====================*/
 
 /* Maximal horizontal and vertical resolution to support by the library.*/
-#define LV_HOR_RES_MAX          (240)
-#define LV_VER_RES_MAX          (400)
+#define LV_HOR_RES_MAX          (400)
+#define LV_VER_RES_MAX          (240)
 
 /* Color depth:
  * - 1:  1 byte per pixel