bspi.c

freemodbus-v1-1-1-0.zip v1.1.1版本的代码 支持多个平台

/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
* File Name          : bspi.c
* Author             : MCD Application Team
* Date First Issued  : 05/16/2003
* Description        : This file provides all the BSPI software functions
********************************************************************************
* History:
*  24/05/2005 : V3.0
*  30/11/2004 : V2.0
*  14/07/2004 : V1.3
*  01/01/2004 : V1.2
*******************************************************************************
 THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
 CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
 AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
 OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
 OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
 CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

#include "bspi.h"

/*******************************************************************************
* Function Name  : BSPI_Init
* Description    : Initializes BSPI peripheral control and registers to their default reset values.
* Input          : BSPIx where x can be 0 or 1 to select the BSPI peripheral.
* Output         : BSPI peripheral registers and BSPI global variables are initialized.
* Return         : None.
*******************************************************************************/
void BSPI_Init(BSPI_TypeDef *BSPIx)
{
  BSPIx->CSR2 = 0x41;
  BSPIx->CSR1 = 0x00;
  BSPIx->CLK  = 0x06;
}

/*******************************************************************************
* Function Name  : BSPI_TrItSrc.
* Description    : Configures the transmit interrupt source.
* Input 1        : BSPIx where x can be 0 or 1 to select the BSPI peripheral.
* Input 2        : TrItSrc: specifies the transmit interrupt source.
*		 : Refer to the section 慣ransmit Interrupt Sources