From 9028916e8b89dcf9f8b41cefbd075efdf80cbac6 Mon Sep 17 00:00:00 2001
From: Fabien Poussin <fabien.poussin@gmail.com>
Date: Tue, 16 Feb 2016 00:22:40 +0100
Subject: EEPROM: Initial commit

---
 os/hal/include/ee24xx.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 os/hal/include/ee24xx.h

(limited to 'os/hal/include/ee24xx.h')

diff --git a/os/hal/include/ee24xx.h b/os/hal/include/ee24xx.h
new file mode 100644
index 0000000..ab12fd1
--- /dev/null
+++ b/os/hal/include/ee24xx.h
@@ -0,0 +1,64 @@
+/*
+  Copyright 2012 Uladzimir Pylinski aka barthess.
+  You may use this work without restrictions, as long as this notice is included.
+  The work is provided "as is" without warranty of any kind, neither express nor implied.
+*/
+
+#ifndef EE24XX_H
+#define EE24XX_H
+
+#include "hal.h"
+
+#if defined(HAL_USE_EEPROM) && HAL_USE_EEPROM && EEPROM_USE_EE24XX
+
+#define EEPROM_DEV_24XX 24
+
+/**
+ * @extends EepromFileConfig
+ */
+typedef struct {
+  _eeprom_file_config_data
+  /**
+   * Driver connected to IC.
+   */
+  I2CDriver     *i2cp;
+  /**
+   * Address of IC on I2C bus.
+   */
+  i2caddr_t     addr;
+  /**
+   * Pointer to write buffer. The safest size is (pagesize + 2)
+   */
+  uint8_t       *write_buf;
+} I2CEepromFileConfig;
+
+/**
+ * @brief   @p I2CEepromFileStream specific data.
+ */
+#define _eeprom_file_stream_data_i2c                                       \
+  _eeprom_file_stream_data
+
+/**
+ * @extends EepromFileStream
+ *
+ * @brief   EEPROM file stream driver class for I2C device.
+ */
+typedef struct {
+  const struct EepromFileStreamVMT *vmt;
+  _eeprom_file_stream_data_i2c
+  /* Overwritten parent data member. */
+  const I2CEepromFileConfig *cfg;
+} I2CEepromFileStream;
+
+
+/**
+ * Open I2C EEPROM IC as file and return pointer to the file stream object
+ * @note      Fucntion allways successfully open file. All checking makes
+ *            in read/write functions.
+ */
+#define I2CEepromFileOpen(efs, eepcfg, eepdev) \
+  EepromFileOpen((EepromFileStream *)efs, (EepromFileConfig *)eepcfg, eepdev);
+
+#endif /* #if defined(EEPROM_USE_EE24XX) && EEPROM_USE_EE24XX */
+
+#endif // EE24XX_H
-- 
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