1 files changed, 74 insertions, 0 deletions
diff --git a/Marlin/src/libs/W25Qxx.h b/Marlin/src/libs/W25Qxx.h
new file mode 100644
index 0000000..eddae6b
--- /dev/null
+++ b/Marlin/src/libs/W25Qxx.h
@@ -0,0 +1,74 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <stdint.h>
+
+#include HAL_PATH(../HAL, MarlinSPI.h)
+
+#define W25X_WriteEnable        0x06
+#define W25X_WriteDisable       0x04
+#define W25X_ReadStatusReg      0x05
+#define W25X_WriteStatusReg     0x01
+#define W25X_ReadData           0x03
+#define W25X_FastReadData       0x0B
+#define W25X_FastReadDual       0x3B
+#define W25X_PageProgram        0x02
+#define W25X_BlockErase         0xD8
+#define W25X_SectorErase        0x20
+#define W25X_ChipErase          0xC7
+#define W25X_PowerDown          0xB9
+#define W25X_ReleasePowerDown   0xAB
+#define W25X_DeviceID           0xAB
+#define W25X_ManufactDeviceID   0x90
+#define W25X_JedecDeviceID      0x9F
+
+#define WIP_Flag                0x01  /* Write In Progress (WIP) flag */
+
+#define Dummy_Byte              0xA5
+
+#define SPI_FLASH_SectorSize         4096
+#define SPI_FLASH_PageSize           256
+#define SPI_FLASH_PerWritePageSize   256
+
+class W25QXXFlash {
+private:
+  static MarlinSPI mySPI;
+public:
+  void init(uint8_t spiRate);
+  static uint8_t spi_flash_Rec();
+  static uint8_t spi_flash_read_write_byte(uint8_t data);
+  static void spi_flash_Read(uint8_t* buf, uint16_t nbyte);
+  static void spi_flash_Send(uint8_t b);
+  static void spi_flash_SendBlock(uint8_t token, const uint8_t* buf);
+  static uint16_t W25QXX_ReadID(void);
+  static void SPI_FLASH_WriteEnable(void);
+  static void SPI_FLASH_WaitForWriteEnd(void);
+  static void SPI_FLASH_SectorErase(uint32_t SectorAddr);
+  static void SPI_FLASH_BlockErase(uint32_t BlockAddr);
+  static void SPI_FLASH_BulkErase(void);
+  static void SPI_FLASH_PageWrite(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t NumByteToWrite);
+  static void SPI_FLASH_BufferWrite(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t NumByteToWrite);
+  static void SPI_FLASH_BufferRead(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t NumByteToRead);
+};
+
+extern W25QXXFlash W25QXX;