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:
- 93:6fbc516de05e
- Parent:
- 92:ce1ab76e8614
- Child:
- 94:203729061e48
--- a/RA8875.cpp Sun Feb 01 17:07:13 2015 +0000 +++ b/RA8875.cpp Sun Feb 01 18:50:57 2015 +0000 @@ -1051,18 +1051,19 @@ color_t pixel; RetCode_t ret = noerror; - INFO("getPixelStream(%p, %u, %d, %d)", p, count, x, y); + //INFO("getPixelStream(%p, %u, %d, %d)", p, count, x, y); PERFORMANCE_RESET; //WriteCommand(0x45,0x00); // read left->right, top->bottom ret = WriteCommand(0x40,0x00); // Graphics write mode - INFO(" r = %d", ret); + //INFO(" r = %d", ret); ret = SetGraphicsCursorRead(x, y); - INFO(" r = %d", ret); + //INFO(" r = %d", ret); ret = WriteCommand(0x02); - INFO(" r = %d", ret); + //INFO(" r = %d", ret); _select(true); _spiwrite(0x40); // Cmd: read data _spiwrite(0x00); // dummy read + _spiwrite(0x00); // dummy read [20150201: Required to properly align the data stream. Not yet sure why...] while (count--) { pixel = _spiread(); pixel |= (_spiread() << 8); @@ -1666,10 +1667,10 @@ } // Be optimistic - don't check for errors. - //HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header)); + HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header)); size_t r = fwrite(&BMP_Header, sizeof(char), sizeof(BMP_Header), Image); - //HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info)); + HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info)); r = fwrite(&BMP_Info, sizeof(char), sizeof(BMP_Info), Image); color_t transparency = GetBackgroundTransparencyColor(); @@ -1703,6 +1704,8 @@ ERR("getPixelStream error, and no recovery handler..."); } } + INFO("1st Color: %04X", pixelBuffer[0]); + HexDump("Raster", (uint8_t *)pixelBuffer, w); // Convert the local buffer to RGBQUAD format int lb = 0; for (int i=0; i<w; i++) {