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
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:
- 111:efe436c43aba
- Parent:
- 109:7b94f06f085b
- Child:
- 123:2f45e80fec5f
--- a/RA8875.cpp Sat Mar 19 20:49:14 2016 +0000 +++ b/RA8875.cpp Mon Apr 25 01:43:59 2016 +0000 @@ -856,7 +856,7 @@ { if (c) { if (c == '\r') { - cursor_x = 0; + cursor_x = windowrect.p1.x; } else if (c == '\n') { cursor_y += extFontHeight; } else { @@ -865,15 +865,17 @@ charRecord = getCharMetrics(c, &charWidth, &charHeight); //int advance = charwidth(c); - INFO("(%d,%d) ,charWidth: %d '%c", cursor_x, cursor_y, charWidth, c); + INFO("(%d,%d) - (%d,%d):(%d,%d), charWidth: %d '%c", cursor_x, cursor_y, + windowrect.p1.x, windowrect.p1.y, windowrect.p2.x, windowrect.p2.y, + charWidth, c); if (charRecord) { //cursor_x += advance; - if (cursor_x + charWidth >= screenwidth) { - cursor_x = 0; + if (cursor_x + charWidth >= windowrect.p2.x) { + cursor_x = windowrect.p1.x; cursor_y += charHeight; } - if (cursor_y + charHeight >= screenheight) { - cursor_y = 0; // @todo Should it scroll? + if (cursor_y + charHeight >= windowrect.p2.y) { + cursor_y = windowrect.p1.y; // @todo Should it scroll? } (void)character(cursor_x, cursor_y, c); cursor_x += charWidth; @@ -972,15 +974,29 @@ return noerror; } +RetCode_t RA8875::window(rect_t r) +{ + return window(r.p1.x, r.p1.y, r.p2.x + 1 - r.p1.x, r.p2.y + 1 - r.p1.y); +} RetCode_t RA8875::window(loc_t x, loc_t y, dim_t width, dim_t height) { + INFO("window(%d,%d,%d,%d)", x, y, width, height); + if (width == (dim_t)-1) + width = screenwidth - x; + if (height == (dim_t)-1) + height = screenheight - y; + windowrect.p1.x = x; + windowrect.p1.y = y; + windowrect.p2.x = x + width - 1; + windowrect.p2.y = y + height - 1; GraphicsDisplay::window(x,y, width,height); WriteCommandW(0x30, x); WriteCommandW(0x32, y); WriteCommandW(0x34, (x+width-1)); WriteCommandW(0x36, (y+height-1)); - SetGraphicsCursor(x,y); + //SetTextCursor(x,y); + //SetGraphicsCursor(x,y); return noerror; } @@ -1080,6 +1096,8 @@ RetCode_t RA8875::booleanStream(loc_t x, loc_t y, dim_t w, dim_t h, const uint8_t * boolStream) { PERFORMANCE_RESET; + rect_t restore = windowrect; + window(x, y, w, h); SetGraphicsCursor(x, y); _StartGraphicsStream(); @@ -1091,7 +1109,7 @@ while (pixels) { uint8_t byte = *boolStream; - INFO("byte, mask: %02X, %02X", byte, bitmask); + //INFO("byte, mask: %02X, %02X", byte, bitmask); color_t c = (byte & bitmask) ? _foreground : _background; if (screenbpp == 16) { _spiwrite(c >> 8); @@ -1110,7 +1128,7 @@ } _select(false); _EndGraphicsStream(); - WindowMax(); + window(restore); REGISTERPERFORMANCE(PRF_BOOLSTREAM); return(noerror); }