add format commands: underline, bold, move up, move down

brotherax240_cntrl/src/main.cpp

@@ -9,7 +9,7 @@ bool use_rn=false; //if use_rn=true, CR and LF only do what they say. if use_rn=
 //To upload set Boot0 jumper to 1 (the one further away from reset btn) and press reset (stm will boot from flash wich contains uart to flash uploader)
 //To boot program after restart set Boot0 jumper to 0
 
-//#define DEBUG
+#define DEBUG
 
 #define CHECK_BIT(var,pos) ((var) & (1<<(pos)))
 
@@ -19,7 +19,7 @@ bool checkTextbuffer();
 void sendChar(char c,char c2);
 void coilInterrupt();
 
-//pins die nicht gehn als output:
+//The following gpio pins do not work as output:
 /* PA15
  * PB3
  * PB4
@@ -314,6 +314,7 @@ bool checkTextbuffer(){
 }
 
 void sendChar(char c,char c2) { //c2 =0 for 1 byte characters
+  static bool waitFormatChar=false; //when format start character received, set this true. Next char will be format command
   uint8_t keypress[NUM_SCANPINS]={0}; //keypress contains id of input pin. 0=not pressed, A=2^0, B=2^1, C=2^3 ...
 
   //check if key is implemented (not all 255,255,255,..)
@@ -324,28 +325,72 @@ void sendChar(char c,char c2) { //c2 =0 for 1 byte characters
     }
   }
 
-  if (keyimplemented && ( (c>=32 && c<127) || c==10 || c==13 ) ) { //1 byte char
-    #ifdef DEBUG
-    Serial1.println("1 byte char");
-    #endif
-    for (uint8_t i=0;i<NUM_SCANPINS;i++){
-      keypress[i]=keymatrix[c][i]; //copy keypress connections for current char
+  if (waitFormatChar) { //is waiting for formatting command
+    if (c==98) { //b
+#ifdef DEBUG
+      Serial1.println("Format: Bold"); //echo
+#endif
+      keypress[0]=64; keypress[2]=16; //ALT + ArrowDown(Top Right Key)
+    }else if (c==117) { //u.
+#ifdef DEBUG
+      Serial1.println("Format: Underline"); //echo
+#endif
+      keypress[0]=64; keypress[2]=128; //ALT + ArrowRight(one left to Top Right Key)
+      //Changing Underline Mode cycles through: OFF, KON (unlineline spaces), WRT (underline only letters)
+    }else if (c==106) { //j
+#ifdef DEBUG
+      Serial1.println("Format: Move Down"); //echo
+#endif
+      keypress[2]=16; //ArrowDown(Top Right Key)
+    }else if (c==107) { //k
+#ifdef DEBUG
+      Serial1.println("Format: Move Up"); //echo
+#endif
+      keypress[1]=32; keypress[2]=16; //CODE + ArrowDown(Top Right Key)
     }
-  }else if (c==195){ //umlauts
-    #ifdef DEBUG 
-      Serial1.println("2 byte char");
-    #endif
-    for (uint8_t i=0;i<NUM_SCANPINS;i++){
-      keypress[i]=keymatrix195[c2][i]; //copy keypress connections for current char
+    waitFormatChar=false;
+    keyimplemented=false; //do not count as printed key
+
+  } else
+  {
+
+    if (keyimplemented && ( (c>=32 && c<127) || c==10 || c==13 ) ) { //1 byte char
+      #ifdef DEBUG
+      Serial1.println("1 byte char");
+      #endif
+      for (uint8_t i=0;i<NUM_SCANPINS;i++){
+        keypress[i]=keymatrix[c][i]; //copy keypress connections for current char
+      }
+    }else if (c==195){ //umlauts
+      #ifdef DEBUG 
+        Serial1.println("2 byte char");
+      #endif
+      for (uint8_t i=0;i<NUM_SCANPINS;i++){
+        keypress[i]=keymatrix195[c2][i]; //copy keypress connections for current char
+      }
+    }else if(c==194){ //others
+      if (c2==167){ // §
+        keypress[0]=128; keypress[7]=16; //shift + 3
+      }else if (c2==176){ // °
+        keypress[1]=32; keypress[3]=8; //CODE + W
+      }else if (c2==178){ // ²
+        keypress[1]=32; keypress[4]=8; //CODE + X
+      }else if (c2==179){ // ³
+        keypress[1]=32; keypress[4]=16; //CODE + V
+      }
+    }else if(c>=32){ //not recognized character (everything else) and not a control command
+      if (!waitFormatChar) {
+        if (c==92) {
+          waitFormatChar=true;      
+  #ifdef DEBUG
+          Serial1.println("Waiting for Format Char"); //echo
+  #endif
+          return; //stop function, do not print anything
+        }else{
+          keypress[1]=128; // [SPACE]  //print space to keep text aligned
+        }
+      }
     }
-  }else if(c==194){ //others
-    if (c2==167){ // §
-      keypress[0]=128; keypress[7]=16; //shift + 3
-    }else if (c2==176){ // °
-      keypress[1]=32; keypress[3]=8; //CODE + W
-    }
-  }else if(c>=32){ //not recognized character (everything else) and not a control command
-    keypress[1]=128; // [SPACE]  //print space to keep text aligned
   }