XCURVES option removed. There will be only one EEPROM format. And some functionnality will be removed later (no custom curves) when XCURVES will be disabled. For now it's always enabled.

src/lcd.cpp

@@ -915,11 +915,21 @@ void lcdSendCtl(uint8_t val)
   PORTC_LCD_CTRL |=  (1<<OUT_C_LCD_CS1);
 }
 
+#if defined(PCBSTD) && defined(VOICE)
+volatile uint8_t LcdLock ;
+#define LCD_LOCK() LcdLock = 1
+#define LCD_UNLOCK() LcdLock = 0
+#else
+#define LCD_LOCK()
+#define LCD_UNLOCK()
+#endif
+
 inline void lcd_init()
 {
   // /home/thus/txt/datasheets/lcd/KS0713.pdf
   // ~/txt/flieger/ST7565RV17.pdf  from http://www.glyn.de/content.asp?wdid=132&sid=
 
+  LCD_LOCK();
   PORTC_LCD_CTRL &= ~(1<<OUT_C_LCD_RES);  //LCD_RES
   delay_1us();
   delay_1us();//    f520  call  0xf4ce  delay_1us() ; 0x0xf4ce
@@ -938,17 +948,21 @@ inline void lcd_init()
   lcdSendCtl(0x22); // 24 SV5 SV4 SV3 SV2 SV1 SV0 = 0x18
   lcdSendCtl(0xAF); //DON = 1: display ON
   g_eeGeneral.contrast = 0x22;
+  LCD_UNLOCK();
 }
 
 void lcdSetRefVolt(uint8_t val)
 {
+  LCD_LOCK();
   lcdSendCtl(0x81);
   lcdSendCtl(val);
+  LCD_UNLOCK();
 }
 
 #ifndef SIMU
 void refreshDisplay()
 {
+  LCD_LOCK();
   uint8_t *p=displayBuf;
   for(uint8_t y=0; y < 8; y++) {
     lcdSendCtl(0x04);
@@ -968,6 +982,7 @@ void refreshDisplay()
     PORTC_LCD_CTRL |=  (1<<OUT_C_LCD_A0);
     PORTC_LCD_CTRL |=  (1<<OUT_C_LCD_CS1);
   }
+  LCD_UNLOCK();
 }
 #endif