tweaks

Author: thinkyhead

Marlin/src/HAL/STM32/tft/tft_fsmc.h

@@ -38,10 +38,10 @@
   #define LCD_READ_ID4 0xD3   // Read display identification information (0xD3 on ILI9341)
 #endif
 
-#define DATASIZE_8BIT   SPI_DATASIZE_8BIT
-#define DATASIZE_16BIT  SPI_DATASIZE_16BIT
-#define TFT_IO_DRIVER   TFT_FSMC
-#define DMA_MAX_WORDS   0xFFFF
+#define DATASIZE_8BIT  SPI_DATASIZE_8BIT
+#define DATASIZE_16BIT SPI_DATASIZE_16BIT
+#define TFT_IO_DRIVER  TFT_FSMC
+#define DMA_MAX_WORDS  0xFFFF
 
 #define TFT_DATASIZE TERN(TFT_INTERFACE_FSMC_8BIT, DATASIZE_8BIT, DATASIZE_16BIT)
 typedef TERN(TFT_INTERFACE_FSMC_8BIT, uint8_t, uint16_t) tft_data_t;
@@ -64,7 +64,7 @@ class TFT_FSMC {
 
     static LCD_CONTROLLER_TypeDef *LCD;
 
-    static uint32_t readID(tft_data_t reg);
+    static uint32_t readID(tft_data_t inReg);
     static void transmit(tft_data_t data) { LCD->RAM = data; __DSB(); }
     static void transmit(uint32_t memoryIncrease, uint16_t *data, uint16_t count);
     static void transmitDMA(uint32_t memoryIncrease, uint16_t *data, uint16_t count);
@@ -79,7 +79,7 @@ class TFT_FSMC {
     static void dataTransferEnd() {};
 
     static void writeData(uint16_t data) { transmit(tft_data_t(data)); }
-    static void writeReg(uint16_t inReg) { LCD->REG = tft_data_t(inReg); __DSB(); }
+    static void writeReg(const uint16_t inReg) { LCD->REG = tft_data_t(inReg); __DSB(); }
 
     static void writeSequence_DMA(uint16_t *data, uint16_t count) { transmitDMA(DMA_PINC_ENABLE, data, count); }
     static void writeMultiple_DMA(uint16_t color, uint16_t count) { static uint16_t data; data = color; transmitDMA(DMA_PINC_DISABLE, &data, count); }