Diff: spi_extra.h

Revision:

17:af1f2416dd26

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spi_extra.h	Tue Jul 13 13:58:07 2021 +0530
@@ -0,0 +1,74 @@
+/***************************************************************************//**
+ *   @file     spi_extra.h
+ *   @brief:   Header containing extra types required for SPI interface
+********************************************************************************
+ * Copyright (c) 2021 Analog Devices, Inc.
+ * All rights reserved.
+ *
+ * This software is proprietary to Analog Devices, Inc. and its licensors.
+ * By using this software you agree to the terms of the associated
+ * Analog Devices Software License Agreement.
+*******************************************************************************/
+
+#ifndef SPI_EXTRA_H
+#define SPI_EXTRA_H
+
+// Platform support needs to be C-compatible to work with other drivers
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/******************************************************************************/
+/***************************** Include Files **********************************/
+/******************************************************************************/
+#include <stdio.h>
+#include <stdbool.h>
+
+/******************************************************************************/
+/********************** Macros and Constants Definitions **********************/
+/******************************************************************************/
+
+/******************************************************************************/
+/********************** Variables and User defined data types *****************/
+/******************************************************************************/
+
+/*
+ * Note: The structure members are not strongly typed, as this file is included
+ *       in application specific '.c' files. The mbed code structure does not
+ *       allow inclusion of mbed driver files (e.g. mbed.h) into '.c' files.
+ *       All the members are hence typecasted to mbed specific type during
+ *       spi init and read/write operations.
+ **/
+
+/**
+ * @struct mbed_spi_init_param
+ * @brief Structure holding the SPI init parameters for mbed platform.
+ */
+typedef struct mbed_spi_init_param {
+	uint8_t spi_miso_pin;		// SPI MISO pin (PinName)
+	uint8_t spi_mosi_pin;  		// SPI MOSI pin (PinName)
+	uint8_t spi_clk_pin;  		// SPI CLK pin (PinName)
+	bool use_sw_csb;			// Software/Hardware control of CSB pin
+} mbed_spi_init_param;
+
+/**
+ * @struct mbed_spi_desc
+ * @brief SPI specific descriptor for the mbed platform.
+ */
+typedef struct mbed_spi_desc {
+	void *spi_port; 			// SPI port instance (mbed::SPI)
+	void *csb_gpio;  			// SPI chip select gpio instance (DigitalOut)
+	bool use_sw_csb; 			// Software/Hardware control of CSB pin
+} mbed_spi_desc;
+
+/******************************************************************************/
+/************************ Functions Declarations ******************************/
+/******************************************************************************/
+
+
+#ifdef __cplusplus // Closing extern c
+}
+#endif
+
+#endif /* SPI_EXTRA_H */