David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Diff: RA8875.cpp

Revision:
90:d113d71ae4f0
Parent:
89:04575562c961
Child:
91:ca5f829e6d27
--- a/RA8875.cpp	Sun Jan 25 00:15:02 2015 +0000
+++ b/RA8875.cpp	Wed Jan 28 12:21:11 2015 +0000
@@ -125,6 +125,7 @@
     wait_ms(1);
 
     // Horizontal Settings
+    screenwidth = width;
     WriteCommand(0x14, width/8 - 1);            //HDWR//Horizontal Display Width Setting Bit[6:0]
     WriteCommand(0x15, 0x02);                   //HNDFCR//Horizontal Non-Display Period fine tune Bit[3:0]
     WriteCommand(0x16, 0x03);                   //HNDR//Horizontal Non-Display Period Bit[4:0]
@@ -132,6 +133,7 @@
     WriteCommand(0x18, 0x03);                   //HPWR//HSYNC Polarity ,The period width of HSYNC.
 
     // Vertical Settings
+    screenheight = height;
     WriteCommand(0x19, (height-1)&0xFF);        //VDHR0 //Vertical Display Height Bit [7:0]
     WriteCommand(0x1a, (height-1)>>8);          //VDHR1 //Vertical Display Height Bit [8]
     WriteCommand(0x1b, 0x0F);                   //VNDR0 //Vertical Non-Display Period Bit [7:0]
@@ -575,13 +577,21 @@
 
 dim_t RA8875::width(void)
 {
-    return (ReadCommand(0x14) + 1) * 8;
+    if (portraitmode)
+        return screenheight;
+    else
+        return screenwidth;
+//    return (ReadCommand(0x14) + 1) * 8;
 }
 
 
 dim_t RA8875::height(void)
 {
-    return (ReadCommand(0x19) | (ReadCommand(0x1A) << 8)) + 1;
+    if (portraitmode)
+        return screenwidth;
+    else
+        return screenheight;
+//    return (ReadCommand(0x19) | (ReadCommand(0x1A) << 8)) + 1;
 }
 
 
@@ -682,18 +692,22 @@
         case RA8875::normal:
             //fncr1Val |= 0x10;
             //dpcrVal |= 0x00;
+            portraitmode = false;
             break;
         case RA8875::rotate_90:
             fncr1Val |= 0x10;
             dpcrVal |= 0x08;
+            portraitmode = true;
             break;
         case RA8875::rotate_180:
             //fncr1Val |= 0x00;
             dpcrVal |= 0x0C;
+            portraitmode = false;
             break;
         case RA8875::rotate_270:
             fncr1Val |= 0x10;
             dpcrVal |= 0x04;
+            portraitmode = true;
             break;
         default:
             return bad_parameter;