Added implementation of the standard NVM device API to AT24Cx driver.

platform/drivers/NVM/AT24Cx.h

@@ -23,12 +23,32 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <interfaces/nvmem.h>
 
 /**
  * Driver for ATMEL AT24Cx family of I2C EEPROM devices, used as external non
  * volatile memory on various radios to store global settings and contact data.
  */
 
+/**
+ * Device driver API for AT24Cx EEPROM memory.
+ */
+extern const struct nvmApi AT24Cx_api;
+
+
+/**
+ * Instantiate an AT24Cx nonvolatile memory device.
+ *
+ * @param name: instance name.
+ */
+#define AT24Cx_DEVICE_DEFINE(name) \
+struct nvmDevice name =            \
+{                                  \
+    .config = NULL,                \
+    .priv   = NULL,                \
+    .api    = &AT24Cx_api          \
+};
+
 /**
  * Initialise driver for external EEPROM.
  */

platform/drivers/NVM/AT24Cx_GDx.c

@@ -96,3 +96,41 @@ int AT24Cx_writeData(uint32_t addr, const void *buf, size_t len)
     return 0;
 }
 
+static const struct nvmParams AT24Cx_params =
+{
+    .write_size   = 1,
+    .erase_size   = 1,
+    .erase_cycles = 1000000,
+    .type         = NVM_EEPROM,
+};
+
+
+static int nvm_api_read(const struct nvmDevice *dev, uint32_t offset, void *data, size_t len)
+{
+    (void) dev;
+
+    return AT24Cx_readData(offset, data, len);
+}
+
+static int nvm_api_write(const struct nvmDevice *dev, uint32_t offset, const void *data, size_t len)
+{
+    (void) dev;
+
+    return AT24Cx_writeData(offset, data, len);
+}
+
+static const struct nvmParams *nvm_api_params(const struct nvmDevice *dev)
+{
+    (void) dev;
+
+    return &AT24Cx_params;
+}
+
+const struct nvmApi AT24Cx_api =
+{
+    .read   = nvm_api_read,
+    .write  = nvm_api_write,
+    .erase  = NULL,
+    .sync   = NULL,
+    .params = nvm_api_params
+};