🧑‍💻 Macro OBJZERO

Marlin/src/core/macros.h

@@ -256,6 +256,7 @@
 // Array shorthand
 #define COUNT(a)            (sizeof(a)/sizeof(*a))
 #define ZERO(a)             memset((void*)a,0,sizeof(a))
+#define OBJZERO(a)          memset(&a,0,sizeof(a))
 #define COPY(a,b) do{ \
     static_assert(sizeof(a[0]) == sizeof(b[0]), "COPY: '" STRINGIFY(a) "' and '" STRINGIFY(b) "' types (sizes) don't match!"); \
     memcpy(&a[0],&b[0],_MIN(sizeof(a),sizeof(b))); \

Marlin/src/lcd/dogm/u8g_fontutf8.cpp

@@ -300,7 +300,7 @@ int uxg_GetUtf8StrPixelWidth(u8g_t *pu8g, const char *utf8_msg) {
 
   if (!uxg_Utf8FontIsInited()) return -1;
 
-  memset(&data, 0, sizeof(data));
+  OBJZERO(data);
   data.pu8g = pu8g;
   data.adv = 0;
   fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_ram, (void*)&data, fontgroup_cb_draw_u8gstrlen);
@@ -326,7 +326,7 @@ int uxg_GetUtf8StrPixelWidthP(u8g_t *pu8g, PGM_P utf8_msg) {
 
   if (!uxg_Utf8FontIsInited()) return -1;
 
-  memset(&data, 0, sizeof(data));
+  OBJZERO(data);
   data.pu8g = pu8g;
   data.adv = 0;
   fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_rom, (void*)&data, fontgroup_cb_draw_u8gstrlen);

Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp

@@ -513,7 +513,7 @@ void RTS::sendData() {
       delay_us(1);
     }
 
-    memset(&snddat, 0, sizeof(snddat));
+    OBJZERO(snddat);
     ZERO(databuf);
     snddat.head[0] = FHONE;
     snddat.head[1] = FHTWO;
@@ -626,7 +626,7 @@ void RTS::sendData(const unsigned long n, uint32_t addr, uint8_t cmd/*=VarAddr_W
 void RTS::handleData() {
   int16_t Checkkey = -1;
   if (waitway > 0) { // for waiting
-    memset(&recdat, 0, sizeof(recdat));
+    OBJZERO(recdat);
     recdat.head[0] = FHONE;
     recdat.head[1] = FHTWO;
     return;
@@ -684,7 +684,7 @@ void RTS::handleData() {
   }
 
   if (Checkkey < 0) {
-    memset(&recdat, 0, sizeof(recdat));
+    OBJZERO(recdat);
     recdat.head[0] = FHONE;
     recdat.head[1] = FHTWO;
     return;
@@ -1639,7 +1639,7 @@ void RTS::handleData() {
     default: break;
   }
 
-  memset(&recdat, 0, sizeof(recdat));
+  OBJZERO(recdat);
   recdat.head[0] = FHONE;
   recdat.head[1] = FHTWO;
 }

Marlin/src/lcd/extui/mks_ui/draw_ui.cpp

@@ -192,8 +192,8 @@ void ui_cfg_init() {
   uiCfg.filament_unloading_time_cnt  = 0;
 
   #if ENABLED(MKS_WIFI_MODULE)
-    memset(&wifiPara, 0, sizeof(wifiPara));
-    memset(&ipPara, 0, sizeof(ipPara));
+    OBJZERO(wifiPara);
+    OBJZERO(ipPara);
     strcpy_P(wifiPara.ap_name, PSTR(WIFI_AP_NAME));
     strcpy_P(wifiPara.keyCode, PSTR(WIFI_KEY_CODE));
     // client

Marlin/src/lcd/extui/mks_ui/wifi_module.cpp

@@ -1376,7 +1376,7 @@ static void net_msg_handle(const uint8_t * const msg, const uint16_t msgLen) {
     ZERO(wifiPara.ap_name);
     memcpy(wifiPara.ap_name, &msg[9], wifiNameLen);
 
-    memset(&wifi_list.wifiConnectedName, 0, sizeof(wifi_list.wifiConnectedName));
+    OBJZERO(wifi_list.wifiConnectedName);
     memcpy(&wifi_list.wifiConnectedName, &msg[9], wifiNameLen);
 
     // WiFi key

Marlin/src/lcd/sovol_rts/sovol_rts.cpp

@@ -177,7 +177,7 @@ void RTS::sdCardInit() {
     for (uint8_t j = 0; j < MAX_NUM_FILES; j++)
       for (uint8_t i = 0; i < FILENAME_LEN; i++)
         sendData(0, cardRec.addr[j] + i);
-    ZERO(&cardRec);
+    OBJZERO(cardRec);
   }
 }
 
@@ -221,7 +221,7 @@ void RTS::sdCardUpdate() {
         sendData(0, PRINT_FILE_TEXT_VP + j);
         sendData(0, SELECT_FILE_TEXT_VP + j);
       }
-      ZERO(&cardRec);
+      OBJZERO(cardRec);
     }
     lcd_sd_status = sd_status;
   }
@@ -422,7 +422,7 @@ void RTS::sendData() {
     for (uint16_t i = 0; i < snddat.len + 3; i++)
       LCD_SERIAL.write(databuf[i]);
 
-    ZERO(&snddat);
+    OBJZERO(snddat);
     ZERO(databuf);
     snddat.head[0] = FHONE;
     snddat.head[1] = FHTWO;
@@ -543,7 +543,7 @@ void RTS::handleData() {
   int16_t checkKey = -1;
   // For waiting
   if (waitway > 0) {
-    memset(&recdat, 0, sizeof(recdat));
+    OBJZERO(recdat);
     recdat.head[0] = FHONE;
     recdat.head[1] = FHTWO;
     return;
@@ -556,7 +556,7 @@ void RTS::handleData() {
   }
 
   if (checkKey < 0) {
-    ZERO(&recdat);
+    OBJZERO(recdat);
     recdat.head[0] = FHONE;
     recdat.head[1] = FHTWO;
     return;
@@ -1512,7 +1512,7 @@ void RTS::handleData() {
 
     default: break;
   }
-  ZERO(&recdat);
+  OBJZERO(recdat);
   recdat.head[0] = FHONE;
   recdat.head[1] = FHTWO;
 }