editor restarts and close actually sleep the screen

Pico_ePaper_Code/c/lib/GUI/GUI_Paint.c

@@ -557,20 +557,21 @@ parameter:
     Color_Foreground : Select the foreground color
     Color_Background : Select the background color
 ******************************************************************************/
-void Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString,
+bool Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString,
                          sFONT* Font, UWORD Color_Foreground, UWORD Color_Background)
 {
     UWORD Xpoint = Xstart;
     UWORD Ypoint = Ystart;
+    bool overflow = false;
 
     if (Xstart > Paint.Width || Ystart > Paint.Height) {
         Debug("Paint_DrawString_EN Input exceeds the normal display range\r\n");
-        return;
+        return overflow;
     }
 
     while (* pString != '\0') {
         //if X direction filled , reposition to(Xstart,Ypoint),Ypoint is Y direction plus the Height of the character
-        if ((Xpoint + Font->Width ) > Paint.Width ) {
+        if ((Xpoint + Font->Width ) > Paint.Width ||  * pString == '\n') {
             Xpoint = Xstart;
             Ypoint += Font->Height;
         }
@@ -579,8 +580,11 @@ void Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString,
         if ((Ypoint  + Font->Height ) > Paint.Height ) {
             Xpoint = Xstart;
             Ypoint = Ystart;
+            overflow = true;
         }
+        if(* pString != '\n'){
             Paint_DrawChar(Xpoint, Ypoint, * pString, Font, Color_Background, Color_Foreground);
+        }
 
         //The next character of the address
         pString ++;
@@ -588,6 +592,7 @@ void Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString,
         //The next word of the abscissa increases the font of the broadband
         Xpoint += Font->Width;
     }
+    return overflow;
 }
 
 

Pico_ePaper_Code/c/lib/GUI/GUI_Paint.h

@@ -198,7 +198,7 @@ void Paint_DrawCircle(UWORD X_Center, UWORD Y_Center, UWORD Radius, UWORD Color,
 
 //Display string
 void Paint_DrawChar(UWORD Xstart, UWORD Ystart, const char Acsii_Char, sFONT* Font, UWORD Color_Foreground, UWORD Color_Background);
-void Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString, sFONT* Font, UWORD Color_Foreground, UWORD Color_Background);
+bool Paint_DrawString_EN(UWORD Xstart, UWORD Ystart, const char * pString, sFONT* Font, UWORD Color_Foreground, UWORD Color_Background);
 void Paint_DrawString_CN(UWORD Xstart, UWORD Ystart, const char * pString, cFONT* font, UWORD Color_Foreground, UWORD Color_Background);
 void Paint_DrawNum(UWORD Xpoint, UWORD Ypoint, int32_t Nummber, sFONT* Font, UWORD Color_Foreground, UWORD Color_Background);
 void Paint_DrawTime(UWORD Xstart, UWORD Ystart, PAINT_TIME *pTime, sFONT* Font, UWORD Color_Foreground, UWORD Color_Background);

eink_api.c

@@ -4,6 +4,7 @@
 #include "pico/stdlib.h"
 #include "pico/multicore.h"
 #include "pico/util/queue.h"
+#include "hardware/timer.h"
 
 // e-Paper library includes
 #include "DEV_Config.h"
@@ -19,6 +20,8 @@ queue_t q;
 void process_command(char *cmd);
 void core1_entry();
 
+bool screen_on = false;
+
 int epaper_init()
 {
     printf("EPD_4IN2_V2_test Demo\r\n");
@@ -39,22 +42,29 @@ int epaper_init()
     }
     printf("Paint_NewImage\r\n");
     Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
-    
+    screen_on = true;
     return 1;
 }
 
-
+bool editor_mode = false;
+int editor_last_ts = 0;
+char screen_log[2000];
+int screen_log_i = 0;
+sFONT *current_font = &Font16;
 
 int epaper_close()
 {
     DEV_Delay_ms(1000);
-    EPD_4IN2_V2_Init();
+    //EPD_4IN2_V2_Init();
-    EPD_4IN2_V2_Clear();
+    //EPD_4IN2_V2_Clear();
+    EPD_4IN2_V2_Display(BlackImage);
+    DEV_Delay_ms(1000);
     printf("Goto Sleep...\r\n");
     EPD_4IN2_V2_Sleep();
     free(BlackImage);
     BlackImage = NULL;
     DEV_Delay_ms(2000);//important, at least 2s
+    screen_on = false;
     return 0;
 }
 
@@ -64,13 +74,13 @@ void process_command(char *cmd)
     if (strcmp(cmd, "init") == 0) {
         epaper_init();
         printf("e-Paper initialized\n");
-    } else if (strcmp(cmd, "clear") == 0) {
+    } else if (screen_on && strcmp(cmd, "clear") == 0) {
         Paint_Clear(WHITE);
         printf("e-Paper cleared\n");
-    } else if (strcmp(cmd, "display") == 0) {
+    } else if (screen_on && strcmp(cmd, "display") == 0) {
         EPD_4IN2_V2_Display(BlackImage);
         printf("Display updated\n");
-    } else if (strcmp(cmd, "draw_test") == 0) {
+    } else if (screen_on && strcmp(cmd, "draw_test") == 0) {
         Paint_Clear(WHITE);
         Paint_DrawString_EN(10, 0, "www.waveshare.com", &Font24, WHITE, BLACK);
         Paint_DrawString_EN(10, 35, "Pico-ePaper-4.2", &Font24, BLACK, WHITE);
@@ -78,16 +88,16 @@ void process_command(char *cmd)
         Paint_DrawString_CN(10, 110, "微雪电子", &Font24CN, BLACK, WHITE);
         EPD_4IN2_V2_Display(BlackImage);
         printf("Draw test complete\n");
-    } else if (strncmp(cmd, "draw_text", 9) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_text", 9) == 0) {
         int x, y;
         char text[200];
         if (sscanf(cmd, "draw_text %d %d %199[^\n]", &x, &y, text) == 3) {
-            Paint_DrawString_EN(x, y, text, &Font24, BLACK, WHITE);
+            Paint_DrawString_EN(x, y, text, current_font, WHITE, BLACK);
             printf("Drew text at %d, %d: %s\n", x, y, text);
         } else {
             printf("Invalid draw_text command format. Use: draw_text x y text\n");
         }
-    } else if (strncmp(cmd, "draw_point", 10) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_point", 10) == 0) {
         int x, y;
         if (sscanf(cmd, "draw_point %d %d", &x, &y) == 2) {
             Paint_DrawPoint(x, y, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
@@ -95,7 +105,7 @@ void process_command(char *cmd)
         } else {
             printf("Invalid draw_point command format. Use: draw_point x y\n");
         }
-    } else if (strncmp(cmd, "draw_line", 9) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_line", 9) == 0) {
         int x1, y1, x2, y2;
         if (sscanf(cmd, "draw_line %d %d %d %d", &x1, &y1, &x2, &y2) == 4) {
             Paint_DrawLine(x1, y1, x2, y2, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
@@ -103,7 +113,7 @@ void process_command(char *cmd)
         } else {
             printf("Invalid draw_line command format. Use: draw_line x1 y1 x2 y2\n");
         }
-    } else if (strncmp(cmd, "draw_rectangle", 14) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_rectangle", 14) == 0) {
         int x1, y1, x2, y2;
         if (sscanf(cmd, "draw_rectangle %d %d %d %d", &x1, &y1, &x2, &y2) == 4) {
             Paint_DrawRectangle(x1, y1, x2, y2, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
@@ -111,7 +121,7 @@ void process_command(char *cmd)
         } else {
             printf("Invalid draw_rectangle command format. Use: draw_rectangle x1 y1 x2 y2\n");
         }
-    } else if (strncmp(cmd, "draw_circle", 11) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_circle", 11) == 0) {
         int x, y, r;
         if (sscanf(cmd, "draw_circle %d %d %d", &x, &y, &r) == 3) {
             Paint_DrawCircle(x, y, r, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
@@ -119,7 +129,7 @@ void process_command(char *cmd)
         } else {
             printf("Invalid draw_circle command format. Use: draw_circle x y r\n");
         }
-    } else if (strncmp(cmd, "draw_num", 8) == 0) {
+    } else if (screen_on && strncmp(cmd, "draw_num", 8) == 0) {
         int x, y, num;
         if (sscanf(cmd, "draw_num %d %d %d", &x, &y, &num) == 3) {
             Paint_DrawNum(x, y, num, &Font16, BLACK, WHITE);
@@ -127,7 +137,7 @@ void process_command(char *cmd)
         } else {
             printf("Invalid draw_num command format. Use: draw_num x y num\n");
         }
-    } else if (strncmp(cmd, "set_pixel", 9) == 0) {
+    } else if (screen_on && strncmp(cmd, "set_pixel", 9) == 0) {
         int x, y, color;
         if (sscanf(cmd, "set_pixel %d %d %d", &x, &y, &color) == 3) {
             Paint_SetPixel(x, y, color);
@@ -135,12 +145,18 @@ void process_command(char *cmd)
         } else {
             printf("Invalid set_pixel command format. Use: set_pixel x y color\n");
         }
-    } else if (strcmp(cmd, "close") == 0) {
+    } else if (screen_on && strcmp(cmd, "close") == 0) {
         epaper_close();
         printf("e-Paper closed\n");
+    } else if (screen_on && strcmp(cmd, "editor") == 0) {
+        editor_mode = true;
+        absolute_time_t time = get_absolute_time();
+        editor_last_ts = to_ms_since_boot(time);
+        printf("Editor mode enabled\n");
     } else {
         printf("Unknown command: %s\n", cmd);
     }
+    
 }
 
 void core1_entry() {
@@ -158,6 +174,21 @@ void core1_entry() {
             queue_remove_blocking(&q, &c);
             newChar = true;
 
+            if(editor_mode){
+                absolute_time_t time = get_absolute_time();
+                editor_last_ts = to_ms_since_boot(time);
+                if (c == '\n' || c == '\r') {
+                    screen_log[screen_log_i++] = '\n';
+                } else if (c == '\b' || c == 127) { // Handle backspace
+                    if (screen_log_i > 0) {
+                        screen_log_i--;
+                    }
+                } else {
+                    if (screen_log_i < (sizeof(screen_log) - 1)) {
+                        screen_log[screen_log_i++] = c;
+                    }
+                }
+            } else {
                 if (c == '\n' || c == '\r') {
                     cmd_buffer[i] = '\0';
                     process_command(cmd_buffer);
@@ -174,20 +205,44 @@ void core1_entry() {
                         cmd_buffer[i++] = c;
                     }
                 }
-            
+            }
         }
         if(newChar){
+            if(!screen_on){
+                epaper_init();
+            }
+            if(editor_mode){
+                bool overflow = false;
+                Paint_Clear(WHITE);
+                screen_log[screen_log_i] = '\0';
+                overflow = Paint_DrawString_EN(10, 10, screen_log, current_font, WHITE, BLACK);
+                if(overflow){
+                    while(screen_log[screen_log_i] != '\n' || screen_log_i>1){
+                        screen_log_i--;
+                    }
+                    if(screen_log_i!=0){
+                        int new_i = 0;
+                        while(screen_log[screen_log_i] != '\0'){
+                            screen_log[new_i++] = screen_log[screen_log_i++];
+                        }
+                        screen_log_i = new_i;
+                    }
+                    Paint_Clear(WHITE);
+                    // if overflow reset the screen_log buffer with only the last line
+                    Paint_DrawString_EN(10, 10, screen_log, current_font, WHITE, BLACK);
+                }
+                EPD_4IN2_V2_PartialDisplay(BlackImage, 0, 0, 400, 300);
+            } else {
                 cmd_buffer[i] = '\0';
-            //char text[200];
-            //sscanf(cmd_buffer, "199[^\n]", text);
-            
                 // Update the command buffer display
                 Paint_ClearWindows(2, 271, 399, 299, WHITE);
                 Paint_DrawRectangle(1, 270, 400, 300, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
                 // printf("Current: %s, buff:%s\n", text, cmd_buffer);
-            Paint_DrawString_EN(10, 275, cmd_buffer, &Font24, WHITE, BLACK);
+                Paint_DrawString_EN(10, 275, cmd_buffer, &Font16, WHITE, BLACK);
                 EPD_4IN2_V2_PartialDisplay(BlackImage, 0, 0, 400, 300);
             }
+            
+        }
     }
 }
 
@@ -214,6 +269,12 @@ int main()
                 printf("%c", c);
             }
         }
+        absolute_time_t time = get_absolute_time();
+        uint32_t ms = to_ms_since_boot(time);
+        if(editor_last_ts != 0 && editor_mode && (editor_last_ts + 10000 < ms)){
+            printf("Disabling editor after 10s of inactivity");
+            editor_mode = false;
+        }
     }
 
     epaper_close();