Compile only selected PIO environment (#11519)

Marlin/src/HAL/HAL_DUE/EepromEmulation_Due.cpp

@@ -31,7 +31,7 @@
 
 #ifdef ARDUINO_ARCH_SAM
 
-#include "../persistent_store_api.h"
+#include "../shared/persistent_store_api.h"
 #include "../../inc/MarlinConfig.h"
 
 #if ENABLED(EEPROM_SETTINGS) && DISABLED(I2C_EEPROM) && DISABLED(SPI_EEPROM)

Marlin/src/HAL/HAL_DUE/HAL.h

@@ -35,8 +35,8 @@
 
 #include <Arduino.h>
 
-#include "../math_32bit.h"
-#include "../HAL_SPI.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
 #include "fastio_Due.h"
 #include "watchdog_Due.h"
 #include "HAL_timers_Due.h"

Marlin/src/HAL/HAL_DUE/HAL_spi_Due.cpp

@@ -42,7 +42,7 @@
 // --------------------------------------------------------------------------
 
 #include "../../inc/MarlinConfig.h"
-#include "../Delay.h"
+#include "../shared/Delay.h"
 
 // --------------------------------------------------------------------------
 // Public Variables

Marlin/src/HAL/HAL_DUE/Servo_Due.cpp

@@ -46,7 +46,7 @@
 
 #include <Arduino.h>
 #include "../servo.h"
-#include "../servo_private.h"
+#include "../shared/servo_private.h"
 
 static volatile int8_t Channel[_Nbr_16timers];              // counter for the servo being pulsed for each timer (or -1 if refresh interval)
 

Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp

@@ -22,12 +22,12 @@
  */
 #ifdef ARDUINO_ARCH_SAM
 
-#include "../persistent_store_api.h"
-
-#include "../../inc/MarlinConfig.h"
+#include "../../inc/MarlinConfigPre.h"
 
 #if ENABLED(EEPROM_SETTINGS)
 
+#include "../shared/persistent_store_api.h"
+
 extern void eeprom_flush(void);
 
 bool PersistentStore::access_start() { return true; }

Marlin/src/HAL/HAL_DUE/persistent_store_impl.cpp

@@ -0,0 +1,59 @@
+#ifdef ARDUINO_ARCH_SAM
+
+#include "../shared/persistent_store_api.h"
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(EEPROM_SETTINGS)
+
+extern void eeprom_flush(void);
+
+namespace HAL {
+namespace PersistentStore {
+
+bool access_start() { return true; }
+
+bool access_finish() {
+  #if DISABLED(I2C_EEPROM) && DISABLED(SPI_EEPROM)
+    eeprom_flush();
+  #endif
+  return true;
+}
+
+bool write_data(int &pos, const uint8_t *value, uint16_t size, uint16_t *crc) {
+  while (size--) {
+    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t v = *value;
+    // EEPROM has only ~100,000 write cycles,
+    // so only write bytes that have changed!
+    if (v != eeprom_read_byte(p)) {
+      eeprom_write_byte(p, v);
+      if (eeprom_read_byte(p) != v) {
+        SERIAL_ECHO_START();
+        SERIAL_ECHOLNPGM(MSG_ERR_EEPROM_WRITE);
+        return true;
+      }
+    }
+    crc16(crc, &v, 1);
+    pos++;
+    value++;
+  };
+  return false;
+}
+
+bool read_data(int &pos, uint8_t* value, uint16_t size, uint16_t *crc, const bool writing/*=true*/) {
+  do {
+    uint8_t c = eeprom_read_byte((unsigned char*)pos);
+    if (writing) *value = c;
+    crc16(crc, &c, 1);
+    pos++;
+    value++;
+  } while (--size);
+  return false;
+}
+
+}
+}
+
+#endif // EEPROM_SETTINGS
+#endif // __AVR__

Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp

@@ -61,7 +61,7 @@
 
 #include <U8glib.h>
 #include <Arduino.h>
-#include "../Delay.h"
+#include "../shared/Delay.h"
 
 void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index) {
    PIO_Configure(g_APinDescription[u8g->pin_list[pin_index]].pPort, PIO_OUTPUT_1,