LVGL G-code preview. Legacy MKS WiFi Cura plugin compatibility (Marli…

…nFirmware#20589)
zillarob · Feb 25, 2021 · 1e46827 · 1e46827
1 parent c79d860
commit 1e46827
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Showing 4 changed files with 10 additions and 6 deletions.
diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
@@ -211,6 +211,7 @@
 #define ANY_BUTTON(V...)    DO(BTNEX,||,V)
 
 #define WITHIN(N,L,H)       ((N) >= (L) && (N) <= (H))
+#define ISEOL(C)            ((C) == '\n' || (C) == '\r')
 #define NUMERIC(a)          WITHIN(a, '0', '9')
 #define DECIMAL(a)          (NUMERIC(a) || a == '.')
 #define HEXCHR(a)           (NUMERIC(a) ? (a) - '0' : WITHIN(a, 'a', 'f') ? ((a) - 'a' + 10)  : WITHIN(a, 'A', 'F') ? ((a) - 'A' + 10) : -1)

diff --git a/Marlin/src/feature/e_parser.h b/Marlin/src/feature/e_parser.h
@@ -75,7 +75,6 @@ class EmergencyParser {
   FORCE_INLINE static void disable() { enabled = false; }
 
   FORCE_INLINE static void update(State &state, const uint8_t c) {
-    #define ISEOL(C) ((C) == '\n' || (C) == '\r')
     switch (state) {
       case EP_RESET:
         switch (c) {

diff --git a/Marlin/src/gcode/queue.cpp b/Marlin/src/gcode/queue.cpp
@@ -154,8 +154,6 @@ bool GCodeQueue::_enqueue(const char* cmd, bool say_ok/*=false*/
   return true;
 }
 
-#define ISEOL(C) ((C) == '\n' || (C) == '\r')
-
 /**
  * Enqueue with Serial Echo
  * Return true if the command was consumed

diff --git a/Marlin/src/lcd/extui/lib/mks_ui/tft_lvgl_configuration.cpp b/Marlin/src/lcd/extui/lib/mks_ui/tft_lvgl_configuration.cpp
@@ -358,8 +358,9 @@ lv_fs_res_t spi_flash_tell_cb(lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p
 }
 
 //sd
+extern uint8_t public_buf[512];
 char *cur_namefff;
-uint32_t sd_read_base_addr = 0,sd_read_addr_offset = 0;
+uint32_t sd_read_base_addr = 0, sd_read_addr_offset = 0, small_image_size = 409;
 lv_fs_res_t sd_open_cb (lv_fs_drv_t * drv, void * file_p, const char * path, lv_fs_mode_t mode) {
   //cur_namefff = strrchr(path, '/');
   char name_buf[100];
@@ -371,6 +372,11 @@ lv_fs_res_t sd_open_cb (lv_fs_drv_t * drv, void * file_p, const char * path, lv_
   sd_read_base_addr = lv_open_gcode_file((char *)name_buf);
   sd_read_addr_offset = sd_read_base_addr;
   if (sd_read_addr_offset == UINT32_MAX) return LV_FS_RES_NOT_EX;
+  // find small image size
+  card.read(public_buf, 512);
+  public_buf[511] = '\0';
+  char* eol = strpbrk((const char*)public_buf, "\n\r");
+  small_image_size = (uintptr_t)eol - (uintptr_t)((uint32_t *)(&public_buf[0])) + 1;
   return LV_FS_RES_OK;
 }
 
@@ -396,14 +402,14 @@ lv_fs_res_t sd_read_cb (lv_fs_drv_t * drv, void * file_p, void * buf, uint32_t b
 }
 
 lv_fs_res_t sd_seek_cb(lv_fs_drv_t * drv, void * file_p, uint32_t pos) {
-  sd_read_addr_offset = sd_read_base_addr + (pos - 4) / 200 * 409;
+  sd_read_addr_offset = sd_read_base_addr + (pos - 4) / 200 * small_image_size;
   lv_gcode_file_seek(sd_read_addr_offset);
   return LV_FS_RES_OK;
 }
 
 lv_fs_res_t sd_tell_cb(lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p) {
   if (sd_read_addr_offset) *pos_p = 0;
-  else *pos_p = (sd_read_addr_offset - sd_read_base_addr) / 409 * 200 + 4;
+  else *pos_p = (sd_read_addr_offset - sd_read_base_addr) / small_image_size * 200 + 4;
   return LV_FS_RES_OK;
 }