// =============================================================================
// 功能：新增SPI总线结点到SPI总线类型结点,并初始化tagSPI_CB控制块结构体
// 参数：NewSPIParam,新增总线参数，参数说明详细请参照tagSPI_Param结构体
// 返回：返回建立的资源结点指针，失败时返回NULL
// =============================================================================
struct tagSPI_CB *SPI_BusAdd(struct tagSPI_Param *NewSPIParam)
{
struct tagSPI_CB *NewSPI;
if(NULL == NewSPIParam)
goto exit_from_param;
//避免重复建立同名的SPI总线
if(NULL != Rsc_SearchSon(&s_SPIBusType,NewSPIParam->BusName))
goto exit_from_readd;
NewSPI = (struct tagSPI_CB *)M_Malloc(sizeof(struct tagSPI_CB),0);
if(NewSPI == NULL)
goto exit_from_malloc;
//将总线结点挂接到总线类型结点的子结点
Rsc_AddSon(&s_SPIBusType,&NewSPI->SPI_BusNode,
sizeof(struct tagSPI_CB),RSC_SPIBUS,NewSPIParam->BusName);
if(&NewSPI->SPI_BusNode == NULL)
goto exit_from_add_node;
//创建总线信号量和阻塞信号量
NewSPI->SPI_BusSemp= Lock_SempCreate(1,1,CN_SEMP_BLOCK_FIFO,"spi bus semp");
if(NewSPI->SPI_BusSemp== NULL)
goto exit_from_spi_bus_semp;
NewSPI->SPI_BlockSemp = Lock_SempCreate(1,0,CN_SEMP_BLOCK_FIFO,"spi block semp");
if(NewSPI->SPI_BlockSemp== NULL)
goto exit_from_spi_buf_semp;
//tagSPI_CB控制块初始化
NewSPI->SpecificFlag = NewSPIParam->SpecificFlag;
NewSPI->pTransferTxRx = NewSPIParam->pTransferTxRx;
NewSPI->pCsActive = NewSPIParam->pCsActive;
NewSPI->pCsInActive = NewSPIParam->pCsInActive;
NewSPI->pBusCtrl = NewSPIParam->pBusCtrl;
NewSPI->pTransferPoll = NewSPIParam->pTransferPoll;
//缓冲区初始化
NewSPI->SPI_Buf.pBuf = NewSPIParam->SPIBuf;
NewSPI->SPI_Buf.MaxLen = NewSPIParam->SPIBufLen;
NewSPI->SPI_Buf.Offset = 0;
printk("%s Added Succeeded!\r\n",NewSPIParam->BusName);
return NewSPI;
exit_from_spi_buf_semp:
Lock_SempDelete(NewSPI->SPI_BusSemp);
exit_from_spi_bus_semp:
Rsc_DelNode(&NewSPI->SPI_BusNode);
exit_from_add_node:
free(NewSPI);
exit_from_malloc:
exit_from_readd:
exit_from_param:
return NULL;
}
// =============================================================================
// 功能：RTC时间注册及初始化
// 参数：time, 时间值
// 返回：true,正常操作，否则出错
// =============================================================================
ptu32_t ModuleInstall_CpuRtc(ptu32_t para)
{
s64 rtc_time;
struct timeval tv;
u16 evtt;
//初始化硬件
PMC_EnablePeripheral(ID_RTC);
pRtcSemp = Lock_SempCreate(1,0,CN_BLOCK_FIFO,"RTC_SEMP");
if(NULL == pRtcSemp)
return false;
evtt = Djy_EvttRegist(EN_CORRELATIVE,CN_PRIO_REAL,0,0,
Rtc_UpdateTime,NULL,800,
"RTC Update Event");
if(evtt == CN_EVTT_ID_INVALID)
{
free(pRtcSemp);
return false;
}
Djy_EventPop(evtt,NULL,0,NULL,0,0);
Rtc_GetTime(&rtc_time);
tv.tv_sec = rtc_time/1000000;//us ---> s
tv.tv_usec = 0;
settimeofday(&tv,NULL);
//注册RTC时间
if(!Rtc_RegisterDev(NULL,Rtc_SetTime))
return false;
return true;
}
//----DM9000A初始化-------------------------------------------------------------
//功能：初始化DM9000A
//参数：无
//返回：正常时返回0，错误时返回错误号
//-----------------------------------------------------------------------------
u32 dm9000a_init(void)
{
u16 i;
dm9000a_reset(); // 软件复位
if (dm9000a_probe() != 0) // 探查当前操作的芯片是否为DM9000A（读出ID进行对比）
return -1;
iow(DM9000A_GPR, 0x00); // PHYPD=0时使能PHY，默认为1表示不使能内部PHY
Djy_DelayUs(20*mS);
iow(DM9000A_NCR, 0x03); // 选择内部PHY
Djy_DelayUs(20);
iow(DM9000A_NCR, 0x03); // 选择内部PHY（重复一次）
Djy_DelayUs(20);
ior(DM9000A_NSR); // 清除发送状态（读取即可清除）
dm9000a_set_macaddr(MyMAC); // 设置MAC地址
dm9000a_set_multicastaddr(); // 设置多播地址
set_phy_mode(); // 自动协商
while (!(phyr_h(1) & 0x20)) // 自动协商完成标志位
{
Djy_EventDelay(5*mS); // 50mS
}
// 读回IO、Base模式
ehi.io = (ior(DM9000A_ISR)>>6) & 0x3;
ehi.base = (phyr_h(17)>>12) & 0xF;
semp_dm9000 = Lock_SempCreate(1, 1, NULL);
if (semp_dm9000 == NULL)
{
return -1;
}
dm9000a_reset_to_new();
// TODO DM9000A具有IP、UDP、TCP的检验和自动计算功能
//...
i = ior(DM9000A_NSR); // xxx del 需要等于0x40才表示连接成功
return 0;
}
