Epaper deep sleep support (#17766)

* allow descriptor reload

* restart reason rrsn, database rewrite

* support for deep sleep

* revert

* restart reason

lib/lib_display/UDisplay/uDisplay.cpp

@@ -52,11 +52,28 @@ int8_t uDisplay::color_type(void) {
   return col_type;
 }
 
-
 uDisplay::~uDisplay(void) {
-  if (framebuffer) {
-    free(framebuffer);
+#ifdef UDSP_DEBUG
+  Serial.printf("dealloc\n");
+#endif
+  if (frame_buffer) {
+    free(frame_buffer);
   }
+
+  if (lut_full) {
+    free(lut_full);
+  }
+
+  if (lut_partial) {
+    free(lut_partial);
+  }
+
+  for (uint16_t cnt = 0; cnt < MAX_LUTS; cnt++ ) {
+    if (lut_array[cnt]) {
+      free(lut_array[cnt]);
+    }
+  }
+
 #ifdef USE_ESP32_S3
   if (_dmadesc) {
     heap_caps_free(_dmadesc);
@@ -66,18 +83,6 @@ uDisplay::~uDisplay(void) {
   if (_i80_bus) {
     esp_lcd_del_i80_bus(_i80_bus);
   }
-
-  if (lut_full) {
-    free(lut_full);
-  }
-  if (lut_partial) {
-    free(lut_partial);
-  }
-  for (uint16_t cnt = 0; cnt < MAX_LUTS; cnt++ ) {
-    if (lut_array[cnt]) {
-      free(lut_array[cnt]);
-    }
-  }
 #endif // USE_ESP32_S3
 }
 
@@ -124,7 +129,10 @@ uDisplay::uDisplay(char *lp) : Renderer(800, 600) {
   for (uint32_t cnt = 0; cnt < MAX_LUTS; cnt++) {
     lut_cnt[cnt] = 0;
     lut_cmd[cnt] = 0xff;
+    lut_array[cnt] = 0;
   }
+  lut_partial = 0;
+  lut_full = 0;
   char linebuff[128];
   while (*lp) {
 
@@ -498,7 +506,7 @@ uDisplay::uDisplay(char *lp) : Renderer(800, 600) {
   }
 
 #ifdef UDSP_DEBUG
-
+  Serial.printf("Device : %s\n", dname);
   Serial.printf("xs : %d\n", gxs);
   Serial.printf("ys : %d\n", gys);
   Serial.printf("bpp: %d\n", bpp);
@@ -635,6 +643,10 @@ void uDisplay::delay_arg(uint32_t args) {
 #define EP_SEND_DATA 0x66
 #define EP_CLR_FRAME 0x67
 #define EP_SEND_FRAME 0x68
+#define EP_BREAK_RR_EQU 0x69
+#define EP_BREAK_RR_NEQ 0x6a
+
+extern int32_t ESP_ResetInfoReason();
 
 void uDisplay::send_spi_cmds(uint16_t cmd_offset, uint16_t cmd_size) {
 uint16_t index = 0;
@@ -692,6 +704,26 @@ uint16_t index = 0;
         case EP_SEND_FRAME:
           SetFrameMemory(framebuffer);
           break;
+        case EP_BREAK_RR_EQU:
+          if (args & 1) {
+            iob = dsp_cmds[cmd_offset++];
+            index++;
+            if (iob == ESP_ResetInfoReason()) {
+              ep_update_mode = DISPLAY_INIT_PARTIAL;
+              goto exit;
+            }
+          }
+          break;
+        case EP_BREAK_RR_NEQ:
+          if (args & 1) {
+            iob = dsp_cmds[cmd_offset++];
+            index++;
+            if (iob != ESP_ResetInfoReason()) {
+              ep_update_mode = DISPLAY_INIT_PARTIAL;
+              goto exit;
+            }
+          }
+          break;
       }
 #ifdef UDSP_DEBUG
       if (args & 1) {
@@ -731,9 +763,12 @@ uint16_t index = 0;
     }
     if (index >= cmd_size) break;
   }
+
+exit:
 #ifdef UDSP_DEBUG
   Serial.printf("end send cmd table\n");
 #endif
+  return;
 }
 
 Renderer *uDisplay::Init(void) {
@@ -756,6 +791,7 @@ Renderer *uDisplay::Init(void) {
     }
 #endif // ESP8266
   }
+  frame_buffer = framebuffer;
 
   if (interface == _UDSP_I2C) {
     if (wire_n == 0) {

lib/lib_display/UDisplay/uDisplay.h

@@ -301,6 +301,7 @@ class uDisplay : public Renderer {
    uint8_t lut_siz_full;
    uint8_t *lut_partial;
    uint8_t lut_siz_partial;
+   uint8_t *frame_buffer;
 
    uint8_t epcoffs_full;
    uint8_t epc_full_cnt;

tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino

@@ -4124,6 +4124,10 @@ extern void W8960_SetGain(uint8_t sel, uint16_t value);
           }
           goto strexit;
         }
+        if (!strncmp(lp, "rrsn", 4)) {
+          fvar = ESP_ResetInfoReason();
+          goto exit;
+        }
         if (!strncmp(lp, "rax", 3)) {
           TasmotaGlobal.no_autoexec = 0;
           goto exit;

tasmota/tasmota_xdrv_driver/xdrv_13_display.ino

@@ -636,7 +636,9 @@ void DisplayText(void)
                         model = Settings->display_model;
                         fp.read((uint8_t*)fdesc, size);
                         fp.close();
+                        Renderer *svptr = renderer;
                         Get_display(temp);
+                        renderer = svptr;
                         if (rot >= 0) {
                           srot = Settings->display_rotate;
                           Settings->display_rotate = rot;
@@ -646,7 +648,7 @@ void DisplayText(void)
                           Settings->display_rotate = srot;
                         }
                         Set_display(temp);
-                        AddLog(LOG_LEVEL_INFO, PSTR("DSP: File descriptor loaded %x"),renderer);
+                        AddLog(LOG_LEVEL_INFO, PSTR("DSP: File descriptor loaded"));
                         free(fdesc);
                         Settings->display_model = model;
                       }