I2C.rar_MPC8548 I_i2c 8548_i2c mpc8548_mpc8548_mpc8548 I2C

/*============================================================= * 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" #include "../inc/cpb8548Drv.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 cpb_fpga_download (UINT8 fpga_id, UINT8* str_ptr, UINT32 str_len) { UINT32 i; UINT32 code = 0; UINT8 *file_ptr = NULL; UINT8 val; UINT8 orderval; UINT8 tempnum; UINT32 tempval = 0; UINT32 immr_val = /*(vxImmrGet() && 0xff000000)*/0x80000000; if ((NULL == str_ptr ) || (0 == str_len) || (fpga_id>1)) { return CPB_PARA_ERROR; } file_ptr = str_ptr; *M85XX_GPIOCR(immr_val) |= (TX2OUT | RX2IN | PCIOUT |PCIIN|GPOUT); *M85XX_DEVDISR(immr_val) |= ETSEC2_DISABLE; *M85XX_DEVDISR(immr_val) |= (PCI2_DISABLE|PCI1_DISABLE); if(0 == fpga_id) { /*prepare download, pulse PROGRAM pin down.*/ *M85XX_GPOUTDR(immr_val) &= (~FPGA1_PROG); /*INIT_B*/ /* *M85XX_GPINDR(immr_val) &= (~FPGA1_INIT);*/ while(((*M85XX_GPINDR(immr_val) ) & (FPGA1_INIT))); taskDelay(3) ; *M85XX_GPOUTDR(immr_val) |= FPGA1_PROG;/* release */ /*taskDelay(3) ;*/ /* *M85XX_GPINDR(immr_val) |= FPGA1_INIT;*//* release */ while(!((*M85XX_GPINDR(immr_val) ) & (FPGA1_INIT))); /*set CS*/ *M85XX_GPOUTDR(immr_val) |=FPGA2_CS; *M85XX_GPOUTDR(immr_val) &=(~FPGA1_CS); /**M85XX_GPOUTDR(immr_val) &=(~FPGA1_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_ptr[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) &= (~FPGA1_CCLK); /* set CCLK lo */ tempval = *M85XX_GPOUTDR(immr_val); *M85XX_GPOUTDR(immr_val) = (orderval |(tempval & (~FPGA_DATA_MASK)));/* put byte onto FPGA */ *M85XX_GPOUTDR(immr_val) |= FPGA1_CCLK; /* set CCLK hi */ } /* send the bits of the last double word */ for (i = 0; i < 120; i++) { *M85XX_GPOUTDR(immr_val) &= (~FPGA1_CCLK); /* set CCLK lo */ *M85XX_GPOUTDR(immr_val) |= FPGA1_CCLK; /* set CCLK hi */ } taskDelay(10); if (!(*M85XX_GPINDR(immr_val) & FPGA1_DONE )) { printf("\r\nfpga_download:fpga is not done....."); *M85XX_GPOUTDR(immr_val) |=FPGA2_CS; *M85XX_GPOUTDR(immr_val) |=FPGA1_CS; return ERROR ; } /*set CS*/ *M85XX_GPOUTDR(immr_val) |=FPGA2_CS; *M85XX_GPOUTDR(immr_val) |=FPGA1_CS; /*reset_fpga1*/ } else { /*prepare download, pulse PROGRAM pin down.*/ *M85XX_GPOUTDR(immr_val) &= (~FPGA2_PROG); /*INIT_B*/ *M85XX_GPINDR(immr_val) &= (~FPGA2_INIT); taskDelay(3) ; *M85XX_GPOUTDR(immr_val) |= FPGA2_PROG;/* release */