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:
32:0e4f2ae512e2
Parent:
31:c72e12cd5c67
Child:
37:f19b7e7449dc
--- a/RA8875.cpp	Mon Jan 20 19:19:48 2014 +0000
+++ b/RA8875.cpp	Tue Jan 21 03:28:36 2014 +0000
@@ -159,9 +159,9 @@
         return font[2];
 }
 
-RetCode_t RA8875::locate(unsigned int x, unsigned int y)
+RetCode_t RA8875::locate(unsigned int column, unsigned int row)
 {
-    return SetTextCursor(x * fontwidth(), y * fontheight());
+    return SetTextCursor(column * fontwidth(), row * fontheight());
 }
 
 int RA8875::columns(void)
@@ -174,15 +174,13 @@
     return height() / fontheight();
 }
 
-int RA8875::width(void)
+uint16_t RA8875::width(void)
 {
-    //return RA8875_DISPLAY_WIDTH;
     return (ReadCommand(0x14) + 1) * 8;
 }
 
-int RA8875::height(void)
+uint16_t RA8875::height(void)
 {
-    //return RA8875_DISPLAY_HEIGHT;
     return (ReadCommand(0x19) | (ReadCommand(0x1A) << 8)) + 1;
 }
 
@@ -365,6 +363,24 @@
     return c;
 }
 
+RetCode_t RA8875::_StartGraphicsStream(void)
+{
+    WriteCommand(0x40,0x00);    // Graphics write mode
+    WriteCommand(0x02);         // Prepare for streaming data
+    return noerror;
+}
+
+RetCode_t RA8875::_EndGraphicsStream(void)
+{
+    return noerror;
+}
+
+RetCode_t RA8875::putp(color_t pixel)
+{
+    WriteData(pixel & 0xFF);
+    WriteData(pixel >> 8);
+    return noerror;   
+}
 
 void RA8875::puts(unsigned int x, unsigned int y, const char * string)
 {
@@ -378,7 +394,6 @@
                 
     if ((mwcr0 & 0x80) == 0x00)
         WriteCommand(0x40,0x80);    // Put in Text mode if not already
-
     if (*string != '\0') {
         #if 1
         while (*string) {           // @TODO calling individual _putc is slower... optimizations?
@@ -398,7 +413,7 @@
     }
 }
 
-RetCode_t RA8875::SetMemoryCursor(unsigned int x, unsigned int y)
+RetCode_t RA8875::SetGraphicsCursor(uint16_t x, uint16_t y)
 {
     WriteCommand(0x46, x & 0xFF);
     WriteCommand(0x47, x >> 8);
@@ -407,7 +422,7 @@
     return noerror;
 }
 
-RetCode_t RA8875::SetWindow(unsigned int x, unsigned int y, unsigned int width, unsigned int height)
+RetCode_t RA8875::window(unsigned int x, unsigned int y, unsigned int width, unsigned int height)
 {
     WriteCommand(0x30, x & 0xFF);   // HSAW0
     WriteCommand(0x31, x >> 8);     // HSAW1
@@ -452,7 +467,7 @@
     PERFORMANCE_RESET;
     color_t color = GetForeColor();
     WriteCommand(0x40,0x00);    // Graphics write mode
-    SetMemoryCursor(x, y);
+    SetGraphicsCursor(x, y);
     WriteCommand(0x02);         //start data write
     WriteData(color & 0xFF);
     WriteData(color >> 8);
@@ -934,7 +949,7 @@
     WriteCommand(0x1f, 0x01);                     //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0]
 
     // Clear ram image
-    SetWindow(0,0, width(), height());          // Initialize to full screen
+    window(0,0, width(), height());          // Initialize to full screen
     SetTextCursorControl();
     foreground(Blue);
     background(Black);
@@ -1075,7 +1090,7 @@
     pc.printf("Web Color Test\r\n");
     display.background(Black);
     display.foreground(Blue);
-    display.SetWindow(0,0, display.width(), display.height());
+    display.window(0,0, display.width(), display.height());
     display.cls();
     display.puts(0,0, "Web Color Test\r\n");
     display.SetTextFontSize(1,2);