--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/bsp/abb+spi/spi_drv.c	Sat Nov 16 19:03:37 2013 +0000
@@ -0,0 +1,79 @@
+/**********************************************************************************/
+/*            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+/*   unpublished work.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          : spi_drv.c                                                */
+/*                                                                                */
+/*   Description       : Functions to drive the SPI module.                       */
+/*                       The Serial Port Interface is a bidirectional 3 lines 	  */
+/*                       interface dedicated to the transfer of data to and 	  */
+/*                       from up to 5 external devices offering a 3 lines 		  */
+/*                       serial interface.										  */
+/*						 In this project, it is only used to connect the TI 	  */
+/*						 Analog BaseBand (ABB).				    				  */
+/*						 It is assumed that the ABB is connected as the SPI       */																				  
+/*                       device 0.                                                */																				  
+/*																				  */
+/*                       This interface is specified to be compatible with 		  */
+/*                       the UMA1018M Philips, the FUJITSU MB15F02, the 		  */
+/*                       SIEMENS PMB2306T synthesizers and the TI ABB.			  */
+/*																				  */
+/*                       This serial port is based on a looped shift-register 	  */
+/*                       thus allowing both transmit (PISO) and receive (SIPO) 	  */
+/*                       modes.													  */
+/*																				  */
+/*                                                                                */
+/*   Author            : Pascal PUEL                                              */
+/*                                                                                */
+/*   Version number   : 1.45                                                       */
+/*                                                                                */
+/*   Date and time    : 07/01/03                                                       */
+/*                                                                                */
+/*   Previous delta   : Rework                                                    */
+/*                                                                                */
+/**********************************************************************************/
+
+#include "spi/spi_drv.h"
+
+
+
+/*-----------------------------------------------------------------------*/
+/* SPI_InitDev()                                                         */
+/*                                                                       */
+/* This function initializes the SPI registers for an external device    */
+/* connected to the serial port.                                         */
+/*                                                                       */
+/*-----------------------------------------------------------------------*/    
+void SPI_InitDev(T_SPI_DEV *Device)
+{
+  unsigned short Param,Gate,Shiftval;
+  unsigned short Mask = 0x7bde;
+
+  /* Clock enable, mask ITs and pre scale setting */
+  * (volatile SYS_UWORD16 *) SPI_REG_SET1 = (SPI_CLK_ON | Device->PrescVal | SPI_IT_MASK_0 | SPI_IT_MASK_1);
+
+  /* Building the parameter for REG_SET2 initialization */
+  Shiftval = Device->DevId >> 7;
+  Param = (Device->ClkEdge | Device->TspEnLevel | Device->TspEnForm)<<Shiftval ;
+  Gate = Mask<<Shiftval;   
+  
+  * (volatile SYS_UWORD16 *) SPI_REG_SET2 = (* (volatile SYS_UWORD16 *) SPI_REG_SET2 & Gate) | Param;
+
+
+  /* Configuring CTRL_REG : this writting erases the previous one */
+  * (volatile SYS_UWORD16 *) SPI_REG_CTRL = (Device->DataTrLength | Device->DevId);
+
+  /* Stop the SPI clock */
+  #ifdef SPI_CLK_LOW_POWER    
+    SPI_CLK_DISABLE
+  #endif
+}
+
+
+