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.h

Revision:
76:c981284eb513
Parent:
75:ca78388cfd77
Child:
77:9206c13aa527
--- a/RA8875.h	Fri Nov 28 22:37:53 2014 +0000
+++ b/RA8875.h	Fri Nov 28 22:53:35 2014 +0000
@@ -8,11 +8,11 @@
 
 // Define this to enable code that monitors the performance of various
 // graphics commands.
-#define PERF_METRICS
+//#define PERF_METRICS
 
 // What better place for some test code than in here and the companion
 // .cpp file. See also the bottom of this file.
-#define TESTENABLE
+//#define TESTENABLE
 
 /// DOS colors - slightly color enhanced
 #define Black       (color_t)(RGB(0,0,0))
@@ -398,13 +398,13 @@
     ///     the option for the keypad is configured on the hardware.
     ///
     /// All parameters are optional.
-    /// @param[in] scanEnable, when true, enables the key scan function (default: true).
-    /// @param[in] longDetect, when true, additionally enables the long key held detection (default: false).
+    /// @param[in] scanEnable when true, enables the key scan function (default: true).
+    /// @param[in] longDetect when true, additionally enables the long key held detection (default: false).
     /// @param[in] sampleTime setting (range: 0 - 3, default: 0).
     /// @param[in] scanFrequency setting (range: 0 - 7, default: 0).
     /// @param[in] longTimeAdjustment (range: 0 - 3, default: 0).
-    /// @param[in] interruptEnable, when true, enables interrupts from keypress (default: false).
-    /// @param[in] wakeupEnable, when true, activates the wakeup function (default: false).
+    /// @param[in] interruptEnable when true, enables interrupts from keypress (default: false).
+    /// @param[in] wakeupEnable when true, activates the wakeup function (default: false).
     ///
     /// @returns success/failure code. @see RetCode_t.
     ///
@@ -427,10 +427,10 @@
     /// //        Return Value by Row, Column   Example reassignment
     /// //    Column    0    1    2    3    4 
     /// //          +-------------------------+  +-------------------------+
-    /// // Row   0  |   1    2    3    4    5 |  | '7'  '8'  '9'  ' '  ' ' |
+    /// // Row   0  |   1    2    3    4    5 |  | '7'  '8'  '9'  ',' '<-' |
     /// //       1  |   6    7    8    9   10 |  | '4'  '5'  '6'  '/'  '-' |
     /// //       2  |  11   12   13   14   15 |  | '1'  '2'  '3'  '*'  '+' |
-    /// //       3  |  16   17   18   19   20 |  | '0'  '.'  ','  ' ' '\n' |
+    /// //       3  |  16   17   18   19   20 |  | '0'  '.'  '('  ')' '\n' |
     /// //          +-------------------------+  +-------------------------+
     /// //     Return value  0 = No Key pressed
     /// //     Return value 21 = Error
@@ -1307,7 +1307,10 @@
     /// @param[in] Hz is the frequency in Hz, tested range includes the
     ///     range from 1,000,000 (1MHz) to 10,000,000 (10 MHz). Values
     ///     outside this range will be accepted, but operation may
-    ///     be unreliable.
+    ///     be unreliable. This depends partially on your hardware design
+    ///     and the wires connecting the display module.
+    ///     The default value is 5,000,000, which should work for most
+    ///     applications as a starting point.
     /// @param[in] Hz2 is an optional parameter and will set the read
     ///     speed independently of the write speed.
     /// @returns success/failure code. @see RetCode_t.