display: rotated scope 90deg for the usual orientation

components/badge23/display.c

@@ -67,13 +67,8 @@ void display_fill(uint16_t col){
 }
 
 void display_draw_scope(){
-    uint16_t line[240];
-    begin_scope_read();
-    for(int y=0; y<240; y++){
-        read_line_from_scope(&(line[0]), y);
-        memcpy(&ScreenBuff[y * 240], line, sizeof(line));
-    }
-    end_scope_read();
+    if(!scope_active) return;
+    scope_write_to_framebuffer(&ScreenBuff);
     GC9A01_Update();
 }
 

components/badge23/include/badge23/scope.h

@@ -10,6 +10,4 @@ typedef struct {
 
 void init_scope(uint16_t size);
 void write_to_scope(int16_t value);
-void begin_scope_read();
-void end_scope_read();
-void read_line_from_scope(uint16_t * line, int16_t point);
+void scope_write_to_framebuffer(uint16_t * framebuffer);

components/badge23/scope.c

@@ -30,8 +30,17 @@ void begin_scope_read(){
     scope->is_being_read = 1; //best mutex
 }
 
-void read_line_from_scope(uint16_t * line, int16_t point){
-    memset(line, 0, 480);
+void end_scope_read(){
+    if(scope == NULL) return;
+    scope->is_being_read = 0; //best mutex
+}
+
+void scope_write_to_framebuffer(uint16_t * framebuffer){
+    //assumes 240x240 16bit framebuffer for now
+    begin_scope_read();
+    memset(framebuffer, 0, 240*240*sizeof(uint16_t));
+
+    for(int point = 0; point < 240; point++){
         int16_t startpoint = scope->write_head_position - point;
         while(startpoint < 0){
             startpoint += scope->buffer_size;
@@ -53,11 +62,8 @@ void read_line_from_scope(uint16_t * line, int16_t point){
             stop = inter;
         }
         for(int16_t i = start; i <= stop; i++){
-        line[i] = 255;
+            framebuffer[point + i*240] = 255;
         }
     }
-
-void end_scope_read(){
-    if(scope == NULL) return;
-    scope->is_being_read = 0; //best mutex
+    end_scope_read();
 }