Peter Drescher / EALib

The wait in mci_WaitForEvent will delay all card transactions.

Dependencies:   FATFileSystem

Fork of EALib by EmbeddedArtists AB

TouchPanel.h@9:da373a015d07, 2013-12-15 (annotated)

Committer:
dreschpe
Date:
Sun Dec 15 21:58:56 2013 +0000
Revision:
9:da373a015d07
Parent:
4:b32cf4ef45c5 
the wait in mci_WaitForEvent will delay all card transactions.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 4:b32cf4ef45c5 1
embeddedartists 4:b32cf4ef45c5 2 #ifndef TOUCHPANEL_H
embeddedartists 4:b32cf4ef45c5 3 #define TOUCHPANEL_H
embeddedartists 4:b32cf4ef45c5 4
embeddedartists 4:b32cf4ef45c5 5
embeddedartists 4:b32cf4ef45c5 6 /**
embeddedartists 4:b32cf4ef45c5 7 * An abstract class that represents touch panels.
embeddedartists 4:b32cf4ef45c5 8 */
embeddedartists 4:b32cf4ef45c5 9 class TouchPanel {
embeddedartists 4:b32cf4ef45c5 10 public:
embeddedartists 4:b32cf4ef45c5 11
embeddedartists 4:b32cf4ef45c5 12 typedef struct {
embeddedartists 4:b32cf4ef45c5 13 int32_t x;
embeddedartists 4:b32cf4ef45c5 14 int32_t y;
embeddedartists 4:b32cf4ef45c5 15 int32_t z;
embeddedartists 4:b32cf4ef45c5 16 } touchCoordinate_t;
embeddedartists 4:b32cf4ef45c5 17
embeddedartists 4:b32cf4ef45c5 18
embeddedartists 4:b32cf4ef45c5 19 /**
embeddedartists 4:b32cf4ef45c5 20 * Initialize the touch controller. This method must be called before
embeddedartists 4:b32cf4ef45c5 21 * calibrating or reading data from the controller
embeddedartists 4:b32cf4ef45c5 22 *
embeddedartists 4:b32cf4ef45c5 23 * @param width the width of the touch panel. This is usually the same as
embeddedartists 4:b32cf4ef45c5 24 * the width of the display
embeddedartists 4:b32cf4ef45c5 25 * @param height the height of the touch panel. This is usually the same
embeddedartists 4:b32cf4ef45c5 26 * as the height of the display.
embeddedartists 4:b32cf4ef45c5 27 *
embeddedartists 4:b32cf4ef45c5 28 * @return true if the request was successful; otherwise false
embeddedartists 4:b32cf4ef45c5 29 */
embeddedartists 4:b32cf4ef45c5 30 virtual bool init(uint16_t width, uint16_t height) = 0;
embeddedartists 4:b32cf4ef45c5 31
embeddedartists 4:b32cf4ef45c5 32 /**
embeddedartists 4:b32cf4ef45c5 33 * Read coordinates from the touch panel.
embeddedartists 4:b32cf4ef45c5 34 *
embeddedartists 4:b32cf4ef45c5 35 * @param coord pointer to coordinate object. The read coordinates will be
embeddedartists 4:b32cf4ef45c5 36 * written to this object.
embeddedartists 4:b32cf4ef45c5 37 */
embeddedartists 4:b32cf4ef45c5 38 virtual bool read(touchCoordinate_t &coord) = 0;
embeddedartists 4:b32cf4ef45c5 39
embeddedartists 4:b32cf4ef45c5 40
embeddedartists 4:b32cf4ef45c5 41 /**
embeddedartists 4:b32cf4ef45c5 42 * Start to calibrate the display
embeddedartists 4:b32cf4ef45c5 43 *
embeddedartists 4:b32cf4ef45c5 44 * @return true if the request was successful; otherwise false
embeddedartists 4:b32cf4ef45c5 45 */
embeddedartists 4:b32cf4ef45c5 46 virtual bool calibrateStart() = 0;
embeddedartists 4:b32cf4ef45c5 47
embeddedartists 4:b32cf4ef45c5 48 /**
embeddedartists 4:b32cf4ef45c5 49 * Get the next calibration point. Draw an indicator on the screen
embeddedartists 4:b32cf4ef45c5 50 * at the coordinates and ask the user to press/click on the indicator.
embeddedartists 4:b32cf4ef45c5 51 * Please note that waitForCalibratePoint() must be called after this
embeddedartists 4:b32cf4ef45c5 52 * method.
embeddedartists 4:b32cf4ef45c5 53 *
embeddedartists 4:b32cf4ef45c5 54 * @param x the x coordinate is written to this argument
embeddedartists 4:b32cf4ef45c5 55 * @param y the y coordinate is written to this argument
embeddedartists 4:b32cf4ef45c5 56 *
embeddedartists 4:b32cf4ef45c5 57 * @return true if the request was successful; otherwise false
embeddedartists 4:b32cf4ef45c5 58 */
embeddedartists 4:b32cf4ef45c5 59 virtual bool getNextCalibratePoint(uint16_t* x, uint16_t* y) = 0;
embeddedartists 4:b32cf4ef45c5 60
embeddedartists 4:b32cf4ef45c5 61 /**
embeddedartists 4:b32cf4ef45c5 62 * Wait for a calibration point to have been pressed and recored.
embeddedartists 4:b32cf4ef45c5 63 * This method must be called just after getNextCalibratePoint().
embeddedartists 4:b32cf4ef45c5 64 *
embeddedartists 4:b32cf4ef45c5 65 * @param morePoints true is written to this argument if there
embeddedartists 4:b32cf4ef45c5 66 * are more calibrations points available; otherwise it will be false
embeddedartists 4:b32cf4ef45c5 67 * @param timeout maximum number of milliseconds to wait for
embeddedartists 4:b32cf4ef45c5 68 * a calibration point. Set this argument to 0 to wait indefinite.
embeddedartists 4:b32cf4ef45c5 69 *
embeddedartists 4:b32cf4ef45c5 70 * @return true if the request was successful; otherwise false
embeddedartists 4:b32cf4ef45c5 71 */
embeddedartists 4:b32cf4ef45c5 72 virtual bool waitForCalibratePoint(bool* morePoints, uint32_t timeout) = 0;
embeddedartists 4:b32cf4ef45c5 73
embeddedartists 4:b32cf4ef45c5 74
embeddedartists 4:b32cf4ef45c5 75 };
embeddedartists 4:b32cf4ef45c5 76
embeddedartists 4:b32cf4ef45c5 77 #endif