Diff: EaLcdBoard.h

Revision:

4:b32cf4ef45c5

Parent:

0:0fdadbc3d852

Child:

12:15597e45eea0

--- a/EaLcdBoard.h	Wed Oct 09 07:51:52 2013 +0000
+++ b/EaLcdBoard.h	Fri Oct 18 12:48:58 2013 +0200
@@ -24,6 +24,30 @@
         NameBufferSize = 30
     };
 
+    enum TouchPanelId {
+        // must be first
+        TouchPanelInvalidFirst = 0x80,
+
+        // Texas Instruments Touch Screen Controller (TSC2046).
+        TouchPanel_TSC2046,
+        // Microchip Touch Screen Controller (AR1021).
+        TouchPanel_AR1021,
+
+        // Must be after last panel ID
+        TouchPanelInvalidLast,
+        // unknown touch panel
+        TouchPanelUnknown = 0xFF
+
+    };
+
+    typedef struct {
+      uint8_t swap;         // set to 1 if x and y should be swapped
+      uint32_t xres;        // x resistance
+      uint32_t yres;        // y resistance
+      TouchPanelId panelId; // identifies touch panel
+
+    } TouchParams_t;
+
     /** Create an interface to an Embedded Artists LCD Board
      *
      * @param sda I2C data line pin
@@ -111,6 +135,36 @@
      */
     Result getPowerDownSeq(char* buf, int len);
 
+    /**
+     * Get the touch panel parameters stored in persistent storage
+     *
+     *  @param params pointer to a configuration object. Parameters are copied to
+     *  this object.
+     *
+     * @returns the result of the operation
+     */
+    Result getTouchParameters(TouchParams_t* params);
+
+    /**
+     * Write display parameters to the EEPROM. Please use this function with
+     * care since original parameters will be overwritten and cannot be restored.
+     *
+     * @param lcdName the name of the display
+     * @param lcdMfg the display manufacturer
+     * @param cfg the display configuration parameters
+     * @param initSeqStr the initialization sequence string
+     * @param pdSeqStr the power down sequence string
+     * @param touch touch panel parameters
+     */
+    Result storeParameters(
+      const char* lcdName,
+      const char* lcdMfg,
+      LcdController::Config* cfg,
+      const char* initSeqStr,
+      const char* pdSeqStr,
+      TouchParams_t* touch,
+      bool controlWp = false);
+
 
 private:
 
@@ -134,6 +188,7 @@
     Result checkVersion(char* v, uint32_t len);
     Result execDelay(char* del, uint32_t len);
     Result execSeqCtrl(char* cmd, uint32_t len);
+    Result execPinSet(char* cmd, uint32_t len);
 
     void setLsStates(uint16_t states, uint8_t* ls, uint8_t mode);
     void setLeds(void);
@@ -142,6 +197,7 @@
     void pca9532_setBlink0Duty(uint8_t duty);
     void pca9532_setBlink0Leds(uint16_t ledMask);
 
+    void setWriteProtect(bool enable);
     void set3V3Signal(bool enabled);
     void set5VSignal(bool enabled);
     void setDisplayEnableSignal(bool enabled);
@@ -157,5 +213,3 @@
 };
 
 #endif
-
-