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_Touch.cpp
- Revision:
- 181:0032d1b8f5d4
- Parent:
- 178:ae472eb22740
- Child:
- 183:808f272e481e
--- a/RA8875_Touch.cpp Thu Aug 01 22:35:29 2019 +0000 +++ b/RA8875_Touch.cpp Fri Aug 02 02:12:26 2019 +0000 @@ -69,7 +69,7 @@ touchSample = 0; touchState = no_cal; //touchTicker.attach_us(callback(this, &RA8875::_TouchTicker), TOUCH_TICKER_uS); - #if (MBED_MAJOR_VERSION >= 5) || (MBED_LIBRARY_VERSION > 128) // Is this the right version? + #if (MBED_MAJOR_VERSION >= 5) || (MBED_LIBRARY_VERSION > 127) touchTicker.attach_us(callback(this, &RA8875::_TouchTicker), TOUCH_TICKER_uS); #else touchTicker.attach_us(this, &RA8875::_TouchTicker, TOUCH_TICKER_uS); @@ -113,7 +113,7 @@ touchState = no_cal; if (bTpEnable == TP_ENABLE) { //touchTicker.attach_us(callback(this, &RA8875::_TouchTicker), TOUCH_TICKER_uS); - #if (MBED_MAJOR_VERSION >= 5) || (MBED_LIBRARY_VERSION > 128) // Is this the right version? + #if (MBED_MAJOR_VERSION >= 5) || (MBED_LIBRARY_VERSION > 127) touchTicker.attach_us(callback(this, &RA8875::_TouchTicker), TOUCH_TICKER_uS); #else touchTicker.attach_us(this, &RA8875::_TouchTicker, TOUCH_TICKER_uS); @@ -334,7 +334,7 @@ if (panelTouched == true) { panelTouched = false; if (TouchPoint) { - *TouchPoint = touchInfo[0].coordinates; + *TouchPoint = TranslateOrientation(touchInfo[0].coordinates); ts = touchInfo[0].touchCode; INFO("Touch[0] %2d (%4d,%4d)", touchInfo[0].touchCode, touchInfo[0].coordinates.x, touchInfo[0].coordinates.y); @@ -356,14 +356,15 @@ { if (channel >= TouchChannels()) channel = 0; - return touchInfo[channel].touchCode; + INFO("TouchCode[%d] = %d", channel, touchInfo[channel].touchCode); + return touchInfo[channel].touchCode; } point_t RA8875::TouchCoordinates(uint8_t channel) { if (channel >= TouchChannels()) channel = 0; - return touchInfo[channel].coordinates; + return TranslateOrientation(touchInfo[channel].coordinates); } TouchCode_t RA8875::TouchPanelGet(point_t * TouchPoint) @@ -383,6 +384,35 @@ return t; } +point_t RA8875::TranslateOrientation(point_t rawPoint) +{ + point_t newPoint = rawPoint; + + #if 0 + switch (screen_orientation) { + default: + case rotate_0: + newPoint = rawPoint; + break; + case rotate_90: + newPoint.x = rawPoint.y; + newPoint.y = height() - rawPoint.x; + break; + case rotate_180: + newPoint.x = width() - rawPoint.x; + newPoint.y = height() - rawPoint.y; + break; + case rotate_270: + newPoint.x = height() - rawPoint.y; + newPoint.y = rawPoint.x; + break; + } + INFO("Translate(%3d x %3d) => (%3d x %3d)", rawPoint.x, rawPoint.y, newPoint.x, newPoint.y); + #endif + return newPoint; +} + + // Below here are primarily "helper" functions. While many are accessible // to the user code, they usually don't need to be called. @@ -784,7 +814,7 @@ m_i2c->write(m_addr, (const char *)®, 1); m_i2c->read(m_addr, &val, 1); - HexDump("FT5206_Read", (uint8_t *)&val, 1); + //INFO("ReadReg %02X, Val %02X", reg, val); return (uint8_t)val; }