📄 cpb40drvapi.c.bak

📁 MPC8548上I2C控制器的初始化,读写单个字节,连续读写多个字节等函数.调试通过
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/*=============================================================
*	Copyright (c) 2008~2010, CPIT. All Rights Reserved.
*
*	MODULE:  i2c 驱动
*
*	FILENAME: i2cDrv8548.c
*
*	DESCRIPTION:i2c 驱动程序代码
*
*
*	HISTORY:
*
*	Date           CR No      Person        Description
*	----------  ------------  ------       -------------
*	2008-11-27                litao       created.
*
=============================================================*/

#include "vxWorks.h"
#include "sysLib.h"
#include "stdio.h"
#include "semLib.h"    
#include "taskLib.h"

#include "../../comm_drv/nbDrvDef.h"
#include"../../comm_drv/nbdrvcommintf.h"
#include "../../Driver/I2C8548/8548_I2C/inc/i2cDrv8548.h"
#include "../inc/cpb40DrvApi.h"


UINT8 gDdConfigWords[] = 
{
0xAA,0x55,0xAA,
0xFF,0xFF,0xFF,0x00,0x2F,0x0C,0x00,
0xFF,0xFF,0xFF,0x44,0xEC,0x00,0x18,
0x01,
0x00,0x2F,0x0C,0x00,0x04,0xEC,0x00,0x28,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};

STATUS cpb_reset_8144(void)
{
	*(UINT8 *)CPB_CPLD_RESET_8144_REG=0x05;
	taskDelay(sysClkRateGet());
	return OK;
}


SYS_STATUS cpb_cfg_8144()
{
    UINT32 cfg_len = 0;
    UINT32 cfg_addr = 0x0;
    
      /*write 8144 config*/
    /*8144 reset status*/
    cpb_reset_8144();
    cfg_len = sizeof(gDdConfigWords);
    if(NB_DRV_OK != mpc8548_i2c_write(1,0x50,0x00,cfg_len,(UINT8 *)&gDdConfigWords[0]))
    {
        printf("\r\n8144 config failed.");
        return ERROR;
    }
    /*8144 reset status cleared*/
     cpb_reset_8144();

    return NB_DRV_OK;
}




/*------------------------------------------------------------------------------

*

*	Function Name: fpga_download

*

*	Input(s):

*		UINT8* pdata:加载数据

*            UINT32 len:加载数据长度

*

*	Output(s):

*		<none>

*

*	Returns:

*		DRV_OK: 成功

*		DRV_ERR:失败

*             DRV_API_ERR_INPUT_PARA:输入参数错误

*

*	Description:

*GPIO 的管脚定义:

*GPOUT12	FPGA异步全片复位PROGRAM_B

*GPOUT13	FPGA配置时钟CCLK0

*GPOUT14	FPGA配置读写信号RDWR_B



*GPIN9	FPGA配置完成标志DONE

*GPIN10	FPGA配置校验标志INIT_B

*GPIN11	FPGA配置忙标志BUSY



*GPOUT0	FPGA配置数据D7

*GPOUT1	FPGA配置数据D6

*GPOUT2	FPGA配置数据D5

*GPOUT3	FPGA配置数据D4

*GPOUT4	FPGA配置数据D3

*GPOUT5	FPGA配置数据D2

*GPOUT6	FPGA配置数据D1

*GPOUT7	FPGA配置数据D0

*

------------------------------------------------------------------------------*/

SYS_STATUS fpga_download (UINT8* str_ptr, UINT32 str_len)
{
	    UINT32 i;
        UINT32   code = 0;
        UINT8     *file_prt = NULL;
        UINT8     val;
        UINT8     orderval;
        UINT8     tempnum;
        UINT32   tempval = 0;
        UINT32   immr_val = vxImmrGet();

        if ((NULL == str_ptr )  || (0 == str_len))
        {
            return DRV_API_ERR_INPUT_PARA;
        }
        
        file_prt = str_ptr;
        
        *M85XX_GPIOCR(immr_val) |= TX2OUT | RX2IN | PCIOUT |PCIIN;
         *M85XX_DEVDISR(immr_val)  |= ETSEC2_DISABLE;
        /*prepare download, pulse PROGRAM pin down.*/
        *M85XX_GPOUTDR(immr_val) &= (~FPGA_PROG);
         /*INIT_B*/
        *M85XX_GPINDR(immr_val) &= (~FPGA_INIT);
         taskDelay(3) ;
        *M85XX_GPOUTDR(immr_val) |= FPGA_PROG;/* release */
        taskDelay(3) ;
        *M85XX_GPINDR(immr_val) |= FPGA_INIT;/* release */        

        *M85XX_GPOUTDR(immr_val)  &=~FPGA_RDWR;/*write fpga input*/        

        taskDelay(50) ;  /* wait until FPGA finished internal memory clear */
        /*check done pin, must be low*/
        
     #if 0

	if ((*M85XX_GPINDR(immr_val)  & FPGA_DONE ))
	{
            printf("\r\nfpga_download:fpga busy.....");
            return DRV_API_ERR_FPGA_BUSY ;
	}
    #endif

    /*put data onto the FPGA*/
	while ( code < str_len )
	{
		val = file_prt[code++];		
        orderval = 0;

            for(i = 0; i < 4; i++)

            {

                tempnum = (val>>(7 - i*2)) &((UINT8)0x80 >>(7 - i));

                orderval |= tempnum;

                tempnum = (val<<(7 - i*2)) &((UINT8)0x01 <<(7 - i));

                orderval |= tempnum;

            }

            *M85XX_GPOUTDR(immr_val) &= (~FPGA_CCLK);    /* set CCLK lo  */

             tempval = *M85XX_GPOUTDR(immr_val);

             *M85XX_GPOUTDR(immr_val)  = ((orderval << 24) |(tempval & 0x00ffffff));/* put byte onto FPGA */

              *M85XX_GPOUTDR(immr_val) |= FPGA_CCLK;         /* set CCLK hi */

	}

    	/* send the bits of the last double word */

	for (i = 0; i < 120; i++)

	{

            *M85XX_GPOUTDR(immr_val) &= (~FPGA_CCLK);    /* set CCLK lo  */		

            *M85XX_GPOUTDR(immr_val) |= FPGA_CCLK;         /* set CCLK hi */

	}

       taskDelay(10);

	if (!(*M85XX_GPINDR(immr_val)  & FPGA_DONE ))

	{

            printf("\r\nfpga_download:fpga is not done.....");

            return DRV_API_ERR_FPGA_DONE ;

	}



    	/* reset FPGA */

	*(UINT8 *)CPLD_ADRS_RST_REGA |= CPB_FPGA_RESET_BIT;

	

	taskDelay(20);

	*(UINT8 *)CPLD_ADRS_RST_REGA &= ~CPB_FPGA_RESET_BIT;	



	return DRV_OK ;

}
💿 文件大小 17 K
👤 上传用户 c_word
📂 所属分类 VxWorks
🏷️ 相关标签

#8548 #MPC #I2C #字节
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