Diff: DisplayApp.h

Revision:

0:13c1f522bbef

Child:

2:b7ffe5216cd7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DisplayApp.h	Thu Sep 15 02:58:33 2016 +0000
@@ -0,0 +1,108 @@
+/**************************************************************************//**
+* @file          DisplayApp.h
+* @brief         DisplayApp API
+******************************************************************************/
+
+#ifndef DISPLAY_APP_H
+#define DISPLAY_APP_H
+
+#include "mbed.h"
+#include "rtos.h"
+#include "USBSerial.h"
+
+/** A class to communicate a DisplayApp
+ *
+ */
+class DisplayApp {
+public:
+    /** Touch position structure */
+    typedef struct {
+        uint32_t x;      /**< The position of the x-coordinate. */
+        uint32_t y;      /**< The position of the y-coordinate. */
+        bool     valid;  /**< Whether a valid data.. */
+    } touch_pos_t;
+
+    /** Constructor: Initializes DisplayApp.
+     *
+     */
+    DisplayApp();
+
+    /** Send RGB888 data
+     *
+     * @param buf data buffer address
+     * @param pic_width picture width
+     * @param pic_height picture height
+     * @return send data size
+     */
+    int SendRgb888(uint8_t * buf, uint32_t pic_width, uint32_t pic_height);
+
+    /** Send JPEG data
+     *
+     * @param buf data buffer address
+     * @param size data size
+     * @return send data size
+     */
+    int SendJpeg(uint8_t * buf, uint32_t size);
+
+    /** Attach a function to call when touch panel int
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     */
+    void SetCallback(void (*fptr)(void)) {
+        if(fptr != NULL) {
+            event.attach(fptr);
+        }
+    }
+    /** Attach a member function to call when touch panel int
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template<typename T>
+    void SetCallback(T* tptr, void (T::*mptr)(void)) {
+        if((mptr != NULL) && (tptr != NULL)) {
+            event.attach(tptr, mptr);
+        }
+    }
+    /** Get the maximum number of simultaneous touches 
+     * 
+     * @return The maximum number of simultaneous touches.
+     */
+    int GetMaxTouchNum(void);
+
+   /** Get the coordinates
+     *
+     * @param touch_buff_num The number of structure p_touch.
+     * @param p_touch Touch position information.
+     * @return The number of touch points.
+     */
+    int GetCoordinates(int touch_buff_num, touch_pos_t * p_touch);
+
+private:
+    typedef enum {
+        POS_SEQ_INIT,
+        POS_SEQ_START,
+        POS_SEQ_X,
+        POS_SEQ_X_POS,
+        POS_SEQ_X_M,
+        POS_SEQ_C,
+        POS_SEQ_Y,
+        POS_SEQ_Y_POS,
+        POS_SEQ_Y_M,
+        POS_SEQ_END,
+    } pos_seq_t;
+
+    Thread displayThread;
+    USBSerial * pPcApp;
+    pos_seq_t pos_seq;
+    int pos_x;
+    int pos_y;
+    FunctionPointer event;
+
+    void touch_int_callback(void);
+    void display_app_process();
+    static void display_app_process_static(void const * arg);
+    void SendHeader(uint32_t size);
+    void SendData(uint8_t * buf, uint32_t size);
+};
+#endif