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)

Revision:
166:53fd4a876dac
Parent:
165:695c24cc5197
Child:
167:8aa3fb2a5a31
--- a/RA8875.h	Sun Feb 24 00:40:00 2019 +0000
+++ b/RA8875.h	Sun Feb 24 19:28:26 2019 +0000
@@ -767,25 +767,24 @@
     /// It is possible to query the data for a channel that is not
     /// presently reported as touched.
     ///
-    /// @param[in] channel is the touch channel, from 0 to 4, or 0 to getTouchCount()-1
+    /// @param[in] channel is the touch channel, from 0 to 4, or 0 to TouchChannels()-1
     ///     It defaults to 0, in case the user is not interested in multi-touch.
     /// @returns the touch ID, or 15 if you get the ID for an untouched channel.
     /// @returns 0 if an invalid channel is queried.
     ///
-    uint8_t TouchID(uint8_t channel = 0) { return (channel < 5) ? touchInfo[channel].touchID : touchInfo[0].touchID; }
-
+    uint8_t TouchID(uint8_t channel = 0);
     
     /// Get the Touch Code for a touch channel.
     ///
     /// It is possible to query the data for a channel that is not
     /// presently reported as touched.
     ///
-    /// @param[in] channel is the touch channel, from 0 to 4, or 0 to getTouchCount()-1
+    /// @param[in] channel is the touch channel, from 0 to 4, or 0 to TouchChannels()-1
     ///     It defaults to 0, in case the user is not interested in multi-touch.
     /// @returns the touch code (@ref TouchCode_t).
     /// @returns channel 0 information if an invalid channel is queried.
     ///
-    TouchCode_t TouchCode(uint8_t channel = 0) { return (channel < 5) ? touchInfo[channel].touchCode : touchInfo[0].touchCode; }
+    TouchCode_t TouchCode(uint8_t channel = 0);
 
 
     /// Get the coordinates for a touch channel.
@@ -796,13 +795,13 @@
     /// It is possible to query the data for a channel that is not
     /// presently reported as touched.
     ///
-    /// @param[in] channel is an optional touch channel, from 0 to 4, or 0 to getTouchCount()-1.
+    /// @param[in] channel is an optional touch channel, from 0 to 4, or 0 to TouchChannels()-1.
     ///     It defaults to 0, in case the user is not interested in multi-touch.
     /// @returns the coordinates as a point_t structure.
     /// @returns channel 0 information if an invalid channel is queried.
     ///
-    point_t TouchCoordinates(uint8_t channel = 0)  { return (channel < 5) ? touchInfo[channel].coordinates : touchInfo[0].coordinates; }
-
+    point_t TouchCoordinates(uint8_t channel = 0);
+    
 
     /// Poll the TouchPanel and on a touch event return the a to d filtered x, y coordinates.
     ///
@@ -2798,10 +2797,9 @@
         uint8_t touchID;        ///< Contains the touch ID, which is the "order" of touch, from 0 to n-1
         TouchCode_t touchCode;  ///< Contains the touch code; no_touch, touch, held, release
         point_t coordinates;    ///< Contains the X,Y coordinate of the touch
-        
     } touchInfo_T;
 
-    touchInfo_T touchInfo[10];   /// Contains the actual touch information in an array from 0 to n-1
+    touchInfo_T * touchInfo;   /// Storage allocated by the constructor to contains the touch information
 
     #if MBED_VERSION >= MBED_ENCODE_VERSION(5,8,0)
     Thread eventThread;