Fix Working with LCD(A)

rcla · Apr 26, 2021 · 6527639 · 6527639
1 parent fde2278
commit 6527639
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Showing 2 changed files with 26 additions and 1 deletion.
diff --git a/ILI9486_t3n.cpp b/ILI9486_t3n.cpp
@@ -1917,6 +1917,22 @@ void ILI9486_t3n::writeRectNBPP(int16_t x, int16_t y, int16_t w, int16_t h,  uin
 }
 
 static const uint8_t init_commands[] = {
+#ifdef IS_VER_A	
+	2, 0x3A, 0x55,	// use 16 bits per pixel color
+	2, 0x36, 0x48,	// MX, BGR == rotation 0
+	16, 0xE0, 0x0F, 0x1F, 0x1C, 0x0C, 0x0F, 0x08, 0x48, 0x98,
+	          0x37, 0x0A, 0x13, 0x04, 0x11, 0x0D, 0x00,
+	// NGAMCTRL(Negative Gamma Control)
+	16, 0xE1, 0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75,
+	          0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00,
+	// Digital Gamma Control 1
+	16, 0xE2, 0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75,
+	          0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00,
+	1, 0x11,	// Sleep OUT
+	0x80, 150, 	// wait some time
+	1, 0x29,	// Display ON
+	0			// end marker
+#else
 	2, 0x3A, 0x55, 			// Interface Pixel Format (16Bit)
 	3, 0xB1, 0x80, 0x10, 	// FrameRate Control 		
 	2, 0xB4, 0x02, 			// Display Z Inversion
@@ -1928,6 +1944,7 @@ static const uint8_t init_commands[] = {
 	3, 0xB6, 0x00, 0x00, 	// Display Function Control
 	2, 0x36, 0x08, 			// Memory Access Control
 	0
+#endif
 };
 
 FLASHMEM void ILI9486_t3n::begin(uint32_t spi_clock, uint32_t spi_clock_read)  

diff --git a/ILI9486_t3n.h b/ILI9486_t3n.h
@@ -37,6 +37,9 @@
 
 #include "ILI9486_fonts.h"
 
+// Uncomment to use LCD(A), by default it works with LCD(C)
+//#define IS_VER_A
+
 #define ILI9486_TFTWIDTH  320
 #define ILI9486_TFTHEIGHT 480
 
@@ -173,7 +176,12 @@ typedef struct {
 #ifdef __cplusplus
 // At all other speeds, _pspi->beginTransaction() will use the fastest available clock
 
-#define ILI9486_SPICLOCK 80e6 //valid speeds are (120mhz, 80mhz, 60mhz, 48, 40, 34.29, 30mhz, 26.67, 24mhz
+#ifdef IS_VER_A
+	#define ILI9486_SPICLOCK 30e6 //valid speeds are (120mhz, 80mhz, 60mhz, 48, 40, 34.29, 30mhz, 26.67, 24mhz
+#else
+	#define ILI9486_SPICLOCK 80e6 //valid speeds are (120mhz, 80mhz, 60mhz, 48, 40, 34.29, 30mhz, 26.67, 24mhz
+#endif
+
 #define ILI9486_SPICLOCK_READ 2000000