CUER
Increased SPI frequency from 5Mhz to 10MHz
Fork of
RA8875
by 
David Smart
Diff: RA8875.h
- Revision:
- 64:5479dc0c8738
- Parent:
- 55:dfbabef7003e
- Child:
- 65:607bc289c976
--- a/RA8875.h Sun Mar 30 23:37:41 2014 +0000
+++ b/RA8875.h Mon Mar 31 11:24:51 2014 +0000
@@ -8,7 +8,7 @@
// 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.
@@ -41,21 +41,21 @@
/// This is a graphics library for the Raio RA8875 Display Controller chip
/// attached to a 4-wire SPI interface.
///
-/// It offers both primitive and high level APIs.\\
+/// It offers both primitive and high level APIs.
+///
/// Central to this API is a coordinate system, where the origin (0,0) is in
-/// the top-left corner of the display, and the width extends positive to the
-/// right and the height extends positive toward the bottom.
+/// the top-left corner of the display, and the width (x) extends positive to the
+/// right and the height (y) extends positive toward the bottom.
///
-/// As there are both graphics and text commands, one must take care to use
+/// @caution As there are both graphics and text commands, one must take care to use
/// the proper coordinate system for each. Some of the text APIs are in units
/// of column and row, which is measured in character positions (and dependent
-/// on the font size), and other text APIs permit pixel level positioning.
+/// on the font size), where other text APIs permit pixel level positioning.
///
/// @todo Add Scroll support for text.
/// @todo Improve sync between internal and external font support - cursor, window, scroll.
/// @todo Find out why it can't shift frequency after constructor runs.
/// @todo Add Hardware reset signal.
-/// @todo Add Touch Screen support.
/// @todo Add Keypad Support.
/// @todo Add high level objects - x-y graph, meter, others... but these will
/// probably be best served in another class, since they may not
@@ -202,7 +202,8 @@
/// Initialize theTouch Panel controller with default values
///
- /// @returns success/failure code. @see RetCode_t.
+ /// @returns success/failure code. @see RetCode_t.
+ ///
RetCode_t TouchPanelInit(void);
/// Initialize the Touch Panel controller with detailed settings.
@@ -211,18 +212,18 @@
/// @param[in] bTpEnable Touch Panel enable/disable control:
/// - TP_ENABLE: enable the touch panel
/// - TP_DISABLE: disable the touch panel
- /// bTpAutoManual Touch Panel operating mode:
+ /// @param[in] bTpAutoManual Touch Panel operating mode:
/// - TP_MODE_AUTO: automatic capture
/// - TP_MODE_MANUAL: manual capture
- /// bTpDebounce Debounce circuit enable for touch panel interrupt:
+ /// @param[in] bTpDebounce Debounce circuit enable for touch panel interrupt:
/// - TP_DEBOUNCE_OFF: disable the debounce circuit
/// - TP_DEBOUNCE_ON: enable the debounce circuit
- /// bTpManualMode When Manual Mode is selected, this sets the mode:
+ /// @param[in] bTpManualMode When Manual Mode is selected, this sets the mode:
/// - TP_MANUAL_IDLE: touch panel is idle
/// - TP_MANUAL_WAIT: wait for touch panel event
/// - TP_MANUAL_LATCH_X: latch X data
/// - TP_MANUAL_LATCH_Y: latch Y data
- /// bTpAdcClkDiv Sets the ADC clock as a fraction of the System CLK:
+ /// @param[in] bTpAdcClkDiv Sets the ADC clock as a fraction of the System CLK:
/// - TP_ADC_CLKDIV_1: Use CLK
/// - TP_ADC_CLKDIV_2: Use CLK/2
/// - TP_ADC_CLKDIV_4: Use CLK/4
@@ -231,7 +232,7 @@
/// - TP_ADC_CLKDIV_32: Use CLK/32
/// - TP_ADC_CLKDIV_64: Use CLK/64
/// - TP_ADC_CLKDIV_128: Use CLK/128
- /// bTpAdcSampleTime Touch Panel sample time delay before ADC data is ready:
+ /// @param[in] bTpAdcSampleTime Touch Panel sample time delay before ADC data is ready:
/// - TP_ADC_SAMPLE_512_CLKS: Wait 512 system clocks
/// - TP_ADC_SAMPLE_1024_CLKS: Wait 1024 system clocks
/// - TP_ADC_SAMPLE_2048_CLKS: Wait 2048 system clocks
@@ -240,17 +241,24 @@
/// - TP_ADC_SAMPLE_16384_CLKS: Wait 16384 system clocks
/// - TP_ADC_SAMPLE_32768_CLKS: Wait 32768 system clocks
/// - TP_ADC_SAMPLE_65536_CLKS: Wait 65536 system clocks
- /// @returns success/failure code. @see RetCode_t.
+ /// @returns success/failure code. @see RetCode_t.
+ ///
RetCode_t TouchPanelInit(uint8_t bTpEnable, uint8_t bTpAutoManual, uint8_t bTpDebounce, uint8_t bTpManualMode, uint8_t bTpAdcClkDiv, uint8_t bTpAdcSampleTime);
/// Poll the TouchPanel and on a touch event return the filtered x, y coordinates.
///
- /// @param x,y
+ /// @param[inout] x is the x position where the touch was registered.
+ /// @param[inout] y is the y position where the touch was registered.
+ /// @returns true if touch was detected, in which case the x and y values were set.
+ ///
unsigned char TouchPanelRead(loc_t *x, loc_t *y);
/// Poll the TouchPanel and on a touch event return the raw x, y coordinates.
///
- /// @param x,y
+ /// @param[inout] x is the x position where the touch was registered.
+ /// @param[inout] y is the y position where the touch was registered.
+ /// @returns true if touch was detected, in which case the x and y values were set.
+ ///
unsigned char TouchPanelReadRaw(loc_t *x, loc_t *y);
/// Append interrupt handler for specific RA8875 interrupt source
@@ -261,8 +269,8 @@
/// - RA8875_INT_TP: Touch panel interrupt
/// - RA8875_INT_BTE: BTE process complete interrupt
/// - RA8875_INT_BTEMCU_FONTWR: Multi-purpose interrupt (see spec sheet)
- ///
- /// @return none
+ /// @param[in] fptr is a callback function to handle the interrupt event.
+ /// @returns none
///
void AppendISR(uint8_t bISRType, void(*fptr)(void));
@@ -274,7 +282,6 @@
/// - RA8875_INT_TP: Touch panel interrupt
/// - RA8875_INT_BTE: BTE process complete interrupt
/// - RA8875_INT_BTEMCU_FONTWR: Multi-purpose interrupt (see spec sheet)
- ///
/// @return none
///
void UnAppendISR(uint8_t bISRType);