Update multi booter

add battery percentage displaying

Code/pico_multi_booter/sd_boot/i2ckbd/i2ckbd.h

@@ -17,4 +17,8 @@ void init_i2c_kbd();
 int read_i2c_kbd();
 int read_battery();
 
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitClear(value, bit) ((value) &= ~(1 << (bit)))
+#define bitSet(value, bit) ((value) |= (1 << (bit)))
+
 #endif

Code/pico_multi_booter/sd_boot/key_event.c

@@ -141,3 +141,11 @@ int keypad_get_key(void)
     return act_key;
 }
 
+int keypad_get_battery() {
+    int bat_pcnt = read_battery();
+    bat_pcnt = bat_pcnt >> 8;
+    //int bat_charging = bitRead(bat_pcnt, 7);
+    bitClear(bat_pcnt, 7);
+    return bat_pcnt;
+
+}

Code/pico_multi_booter/sd_boot/key_event.h

@@ -17,5 +17,5 @@ typedef enum {
 
 void keypad_init(void);
 int keypad_get_key(void);
-
+int keypad_get_battery(void);
 #endif // KEY_EVENT_H

Code/pico_multi_booter/sd_boot/lcdspi/lcdspi.c

@@ -344,6 +344,22 @@ void draw_rect_spi(int x1, int y1, int x2, int y2, int c) {
     lcd_spi_raise_cs();
 }
 
+//16x6
+void draw_battery_icon(int x0, int y0, int level) {
+    draw_rect_spi(x0, y0, x0+14, y0+6, WHITE);
+    draw_rect_spi(x0 + 1, y0 + 1, x0+12, y0+5, BLACK);
+
+    // (2x2)
+    draw_rect_spi(x0 + 14, y0 + 2, x0+14+2, y0+2+2, WHITE);
+
+    for (int i = 0; i <= 13; i++) {
+        if (i < level) {
+            draw_rect_spi(x0 + 1 + i * 1, y0 + 1, x0 + 1 + i*1+1, y0+1+4, WHITE);
+        }
+    }
+
+}
+
 /******************************************************************************************
  Print a char on the LCD display
  Any characters not in the font will print as a space.

Code/pico_multi_booter/sd_boot/lcdspi/lcdspi.h

@@ -123,7 +123,7 @@ void draw_rect_spi(int x1, int y1, int x2, int y2, int c);
 void define_region_spi(int xstart, int ystart, int xend, int yend, int rw);
 void draw_line_spi(int x1, int y1, int x2, int y2, int color);
 void lcd_print_string_color(char *s, int fg, int bg);
-
+void draw_battery_icon(int x0, int y0, int level);
 //Print the bitmap of a char on the video output
 //    x, y - the top left of the char
 //    width, height - size of the char's bitmap

Code/pico_multi_booter/sd_boot/main.c

@@ -285,7 +285,7 @@ void final_selection_callback(const char *path)
 
 int main()
 {
-    char buf[64];
+    uint32_t  cur_time,last_time=0;
     stdio_init_all();
 
     uart_init(uart0, 115200);
@@ -301,7 +301,9 @@ int main()
     lcd_init();
     lcd_clear();
 	text_directory_ui_pre_init();
- 
+
+    cur_time = time_us_64() / 1000;
+    last_time = cur_time;
     // Check for SD card presence
     DEBUG_PRINT("Checking for SD card...\n");
     if (!sd_card_inserted())
@@ -314,11 +316,16 @@ int main()
         text_directory_ui_set_final_callback(final_selection_callback);
         while (!sd_card_inserted())
         {
+            cur_time = time_us_64() / 1000;
             int key = keypad_get_key();
             if (key != 0)
                 process_key_event(key);
 
             sleep_ms(20);
+            if(cur_time - last_time > BAT_UPDATE_MS) {
+                text_directory_ui_update_header(1);
+                last_time = cur_time;
+            }
         }
         
         // Card detected, wait for it to stabilize

Code/pico_multi_booter/sd_boot/text_directory_ui.c

@@ -426,6 +426,20 @@ static void ui_draw_status_bar(void)
 
 }
 
+static void ui_draw_battery_status(){
+    char buf[8];
+    int pcnt = keypad_get_battery();
+    int level = pcnt * 13 / 100;
+    int pad = 0;
+    sprintf(buf,"%d%%",pcnt);
+    int y = UI_Y + HEADER_TITLE_HEIGHT;
+    if(pcnt < 10) { pad = 8;}
+    else if( pcnt >= 10 && pcnt < 100){pad = 0;}
+    else if(pcnt == 100){pad = -8;}
+    //draw_rect_spi(UI_X, y, UI_X + UI_WIDTH - 1, y + PATH_HEADER_HEIGHT - 1, COLOR_BG);
+    draw_text(UI_X + UI_WIDTH-16-20-5+pad, y + 2, buf, COLOR_FG, COLOR_BG);
+    draw_battery_icon(UI_X+UI_WIDTH-16,y+4,level);
+}
 // Refresh the entire UI
 static void ui_refresh(void)
 {
@@ -436,7 +450,7 @@ static void ui_refresh(void)
 	if(entry_count == 0) {
         ui_draw_empty_tip();
 	}
-  
+    ui_draw_battery_status();
 }
 
 // Handle key events for navigation and selection
@@ -563,8 +577,10 @@ void text_directory_ui_set_status(const char *msg)
     ui_draw_status_bar();
 }
 
+
 void text_directory_ui_update_header(uint8_t nosd) {
     ui_draw_path_header(nosd);
+    ui_draw_battery_status();
 }
 
 void text_directory_ui_draw_default_app() {
@@ -578,16 +594,14 @@ void text_directory_ui_draw_default_app() {
 void text_directory_ui_run(void)
 {
     uint32_t last_scroll_update = 0;
-    const uint32_t SCROLL_UPDATE_MS = 500; // Update scrolling text every 100ms
+    uint32_t last_bat_update = 0;
-    
     while (true)
     {
+        uint32_t current_time = time_us_64() / 1000;
         int key = keypad_get_key();
         if (key != 0)
             process_key_event(key);
 
-        uint32_t current_time = time_us_64() / 1000;
-        
         // Update scrolling text periodically
         if (current_time - last_scroll_update > SCROLL_UPDATE_MS)
         {
@@ -599,21 +613,29 @@ void text_directory_ui_run(void)
             }
             last_scroll_update = current_time;
         }
-
+        if(current_time - last_bat_update > BAT_UPDATE_MS){
+            text_directory_ui_update_header(!status_flag);
+            last_bat_update = current_time;
+        }
         // Check for SD card removal during runtime
         if (!sd_card_inserted()) {
             text_directory_ui_set_status("SD card removed. Please reinsert.");
-			ui_draw_path_header(1); 
+            text_directory_ui_update_header(!status_flag);
             ui_clear_directory_list();
             update_required = 1;
             ui_draw_directory_list();
             // Wait until the SD card is reinserted
             while (!sd_card_inserted()) {
+                current_time = time_us_64() / 1000;
                 key = keypad_get_key();
                 if (key != 0)
                     process_key_event(key);
 
                 sleep_ms(20);
+                if(current_time - last_bat_update > BAT_UPDATE_MS){
+                    text_directory_ui_update_header(!status_flag);
+                    last_bat_update = current_time;
+                }
             }
             
             // Once reinserted, update the UI and reinitialize filesystem

Code/pico_multi_booter/sd_boot/text_directory_ui.h

@@ -11,6 +11,8 @@
 #define ITEMS_PER_PAGE 16
 #define FONT_HEIGHT 12
 #define ENTRY_PADDING 2
+#define BAT_UPDATE_MS 60000
+#define SCROLL_UPDATE_MS 500
 // Callback type: invoked when the user makes a final selection. The selected path is passed as an argument.
 typedef void (*final_selection_callback_t)(const char *selected_path);