--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bsp/abb+spi/abb_inline.h	Thu Jun 09 00:02:41 2016 +0000
@@ -0,0 +1,126 @@
+/******************************************************************************/
+/*          TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION            */
+/*                                                                            */
+/* Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only    */
+/* Unauthorized reproduction and/or distribution is strictly prohibited.  This*/
+/* product  is  protected  under  copyright  law  and  trade  secret law as an*/
+/* unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All*/
+/* rights reserved.                                                           */
+/*                                                                            */
+/*                                                                            */
+/* Filename          : abb_inline.h                                           */
+/*                                                                            */
+/* Description       : inline functions to drive the ABB device.              */
+/*                     The Serial Port Interface is used to connect the TI    */
+/*		       Analog BaseBand (ABB).				      */
+/*		       It is assumed that the ABB is connected as the SPI     */
+/*                     device 0.                                              */
+/*									      */
+/* Author            : Pascal PUEL                                            */
+/*                                                                            */
+/* Version number   : 1.0                                                     */
+/*                                                                            */
+/* Date and time    : Dec 2002                                                */
+/*                                                                            */
+/* Previous delta   : Creation                                                */
+/*                                                                            */
+/******************************************************************************/
+
+#ifndef __ABB_INLINE_H__
+#define __ABB_INLINE_H__
+
+#include "../../include/config.h"
+#include "../../include/sys_types.h"
+
+#include "spi_drv.h"
+
+// MACROS
+#define ABB_WRITE_REG(reg, data) { \
+  SPI_WRITE_TX_MSB((data << 6) | reg) \
+  SPI_START_WRITE }
+
+#define ABB_READ_REG(reg) { \
+  SPI_WRITE_TX_MSB(reg | 1) \
+  SPI_START_READ }
+
+
+#define ABB_SET_PAGE(page) ABB_WRITE_REG(PAGEREG, page)
+
+#define SEVEN_CYCLES_13M_NS 539
+
+// INLINE FUNCTIONS
+/*-----------------------------------------------------------------------*/
+/* ABB_SetPage()                                                         */
+/*                                                                       */
+/* This function sets the right page in the ABB register PAGEREG.        */
+/*                                                                       */
+/*-----------------------------------------------------------------------*/
+static inline void ABB_SetPage(SYS_UWORD16 page)
+{
+  volatile SYS_UWORD16 status;
+
+  ABB_SET_PAGE(page);
+  while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & WE_ST) == 0);
+
+  // if IBIC is already processing another request (from the BSP) 
+  // the USP request is delayed by 3 clock cycles
+  // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case
+  wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS));
+}
+
+
+/*-----------------------------------------------------------------------*/
+/* ABB_WriteRegister()                                                   */
+/*                                                                       */
+/* This function writes "data" in the ABB register "abb_reg".            */
+/*                                                                       */
+/*-----------------------------------------------------------------------*/
+static inline void ABB_WriteRegister(SYS_UWORD16 abb_reg, SYS_UWORD16 data)
+{
+  volatile SYS_UWORD16 status;
+
+  ABB_WRITE_REG(abb_reg, data);
+  while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & WE_ST) == 0);
+
+  // if IBIC is already processing another request (from the BSP) 
+  // the USP request is delayed by 3 clock cycles
+  // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case
+  wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS));
+
+}
+
+
+/*-----------------------------------------------------------------------*/
+/* ABB_ReadRegister()                                                    */
+/*                                                                       */
+/* This function reads the ABB register "abb_reg" and returns            */
+/* the real register value.                                              */
+/*                                                                       */
+/*-----------------------------------------------------------------------*/
+static inline SYS_UWORD16 ABB_ReadRegister(SYS_UWORD16 abb_reg)
+{
+  volatile SYS_UWORD16 status;
+
+  // First part of read access to the ABB register
+  ABB_READ_REG(abb_reg);
+  while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & RE_ST) == 0);
+
+  // if IBIC is already processing another request (from the BSP) 
+  // the USP request is delayed by 3 clock cycles
+  // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case
+  wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS));
+
+  // Second part of read access to the ABB register
+  ABB_READ_REG(abb_reg);
+  while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & RE_ST) == 0);
+
+  // if IBIC is already processing another request (from the BSP) 
+  // the USP request is delayed by 3 clock cycles
+  // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case
+  wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS));
+
+  return ((SPI_ReadRX_LSB() >> 6) & 0x3ff);     
+}
+
+
+#endif  // 	__ABB_INLINE_H__