Added implementation of the standard NVM device API to W25Qx driver.

platform/drivers/NVM/W25Qx.c

@@ -278,3 +278,64 @@ int W25Qx_writeData(uint32_t addr, const void *buf, size_t len)
 
     return 0;
 }
+
+static const struct nvmParams W25Qx_params =
+{
+    .write_size   = 1,
+    .erase_size   = SECT_SIZE,
+    .erase_cycles = 100000,
+    .type         = NVM_FLASH
+};
+
+static int nvm_api_readSecReg(const struct nvmDevice *dev, uint32_t offset, void *data, size_t len)
+{
+    (void) dev;
+
+    return W25Qx_readSecurityRegister(offset, data, len);
+}
+
+static int nvm_api_read(const struct nvmDevice *dev, uint32_t offset, void *data, size_t len)
+{
+    (void) dev;
+
+    return W25Qx_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 W25Qx_writeData(offset, data, len);
+}
+
+static int nvm_api_erase(const struct nvmDevice *dev, uint32_t offset, size_t size)
+{
+    (void) dev;
+
+    return W25Qx_erase(offset, size);
+}
+
+static const struct nvmParams *nvm_api_params(const struct nvmDevice *dev)
+{
+    (void) dev;
+
+    return &W25Qx_params;
+}
+
+const struct nvmApi W25Qx_api =
+{
+    .read   = nvm_api_read,
+    .write  = nvm_api_write,
+    .erase  = nvm_api_erase,
+    .sync   = NULL,
+    .params = nvm_api_params
+};
+
+const struct nvmApi W25Qx_secReg_api =
+{
+    .read   = nvm_api_readSecReg,
+    .write  = NULL,
+    .erase  = NULL,
+    .sync   = NULL,
+    .params = nvm_api_params
+};

platform/drivers/NVM/W25Qx.h

@@ -24,12 +24,38 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <sys/types.h>
+#include <interfaces/nvmem.h>
 
 /**
  * Driver for Winbond W25Qx family of SPI flash devices, used as external non
  * volatile memory on various radios to store both calibration and contact data.
  */
 
+/**
+ * Device driver API for W25Qx main memory.
+ */
+extern const struct nvmApi W25Qx_api;
+
+/**
+ * Device driver API for W25Qx security registers.
+ */
+extern const struct nvmApi W25Qx_secReg_api;
+
+
+/**
+ *  Instantiate an W25Qx nonvolatile memory device.
+ *
+ * @param name: device name.
+ * @param driver: device driver API.
+ */
+#define W25Qx_DEVICE_DEFINE(name, driver) \
+struct nvmDevice name =                   \
+{                                         \
+    .config = NULL,                       \
+    .priv   = NULL,                       \
+    .api    = &driver                     \
+};
+
 /**
  * Initialise driver for external flash.
  */