IIC.rar_2410_2410 iic_IIC 2410_iic 2440_iic 驱动

/*************************************************************** *****IIC驱动程序,先在文件oalintr.h添加I2C的中断***************** *****号的宏定义,然后在文件cfw.c的文件中添加I2C中断的初********** *****始化，禁止和复位。然后编写流驱动程序*********************** ****************************************************************/ #include <windows.h> #include <types.h> #include <ceddk.h> #include <memory.h> #include <hw16550.h> #include <nkintr.h> #include <devload.h> #include <windev.h> #include <notify.h> #include "s2410.h" #include "serhw.h" #include <bootarg.h> #include <oalintr.h> #include <pc.h> #include "MyDriver.h" //#define ZONE_INIT (1) #define DEBUGMODE 0 #define BAUD_TABLE_SIZE 23 #define PRIVATE static #define RETAILMODE 0 PRIVATE volatile IICreg *v_pIICregs = (IICreg *)IIC_BASE; PRIVATE volatile IOPreg *v_pIOPregs = (IOPreg *)IOP_BASE; PRIVATE volatile INTreg *v_pINTregs = (INTreg *)INT_BASE; VOID IIC_VirtualFree(VOID); PRIVATE PVOID IOP_RegAlloc(PVOID addr, INT sz); PRIVATE BOOL IIC_VirtualAlloc(VOID); void IICEventHandler(); void Run_IicPoll(void); void IICPoll(void); void Delay(int time); static U8 _iicData[IICBUFSIZE]; static volatile int _iicDataCount; static volatile int _iicStatus; static volatile int _iicMode; static int _iicPt; HANDLE DispatchThread; HANDLE IIC_Event = NULL; /*static Uchar iicData[IICBUFSIZE]; static volatile int iicDataCount; static volatile int iicStatus; static volatile int iicMode; static int iicPt;*/ static DWORD IICDispatchThread(void); //void WriteBlock(U32 slvAddr,U32 addr,Uchar * data); void WriteBlock(U32 slvAddr,U32 addr,Uchar data); void ReadBlock(Uint slvAddr,Uint addr,Uchar *data); BOOL StartDispatchThread(); BOOL IIC_Deinit(PVOID pHead); /********************************************************************************** ***********函数名：IIC_RegAlloc（PVOID addr, INT sz） ***********参数： PVOID addr(总线相对地址), INT sz(需要映射的字节数) ***********功能： 把芯片中针对I2C的物理地址和操作系统的虚存空间联系起来.即虚拟地址分配 ***********返回值：基虚拟地址 ***********************************************************************************/ PRIVATE PVOID IIC_RegAlloc(PVOID addr, INT sz) { PVOID reg; reg = (PVOID)VirtualAlloc(0, sz, MEM_RESERVE, PAGE_NOACCESS); if (reg) { if (!VirtualCopy(reg, addr, sz, PAGE_READWRITE | PAGE_NOCACHE )) { RETAILMSG( DEBUGMODE,( TEXT( "For s2410IIC: VirtualCopy failed \n\r" ) ) ); VirtualFree(reg, sz, MEM_RELEASE); reg = NULL; } } else { RETAILMSG(DEBUGMODE,(TEXT("For s2410IIC: VirtualAlloc failed!\r\n"))); } return reg; } /********************************************************************************** ***********函数名：INT_RegAlloc（PVOID addr, INT sz） ***********参数： PVOID addr(总线相对地址), INT sz(需要映射的字节数) ***********功能： 把芯片中针对INT的物理地址和操作系统的虚存空间联系起来.即虚拟地址分配 ***********返回值：基虚拟地址 ***********************************************************************************/ PRIVATE PVOID INT_RegAlloc(PVOID addr, INT sz) { PVOID reg; reg = (PVOID)VirtualAlloc(0, sz, MEM_RESERVE, PAGE_NOACCESS); if (reg) { if (!VirtualCopy(reg, addr, sz, PAGE_READWRITE | PAGE_NOCACHE )) { RETAILMSG( DEBUGMODE,( TEXT( "For s2410INT: VirtualCopy failed \n\r" ) ) ); VirtualFree(reg, sz, MEM_RELEASE); reg = NULL; } } else { RETAILMSG(DEBUGMODE,(TEXT("For s2410INT: VirtualAlloc failed!\r\n"))); } return reg; } /*===============================================================================*/ /* @doc INTERNAL @func BOOL | DllEntry | Process attach/detach api. * @rdesc The return is a BOOL, representing success (TRUE) or failure (FALSE). */ BOOL DllEntry( HINSTANCE hinstDll, /*@parm Instance pointer. */ DWORD dwReason, /*@parm Reason routine is called. */ LPVOID lpReserved /*@parm system parameter. */ ) { if ( dwReason == DLL_PROCESS_ATTACH ) { DEBUGREGISTER(hinstDll); // DEBUGMSG (ZONE_INIT, (TEXT("IIC process attach\r\n"))); DisableThreadLibraryCalls((HMODULE) hinstDll); } if ( dwReason == DLL_PROCESS_DETACH ) { // DEBUGMSG (ZONE_INIT, (TEXT("IIC process detach called\r\n"))); } return(TRUE); } /********************************************************************************** ***********函数名：IOP_RegAlloc（PVOID addr, INT sz） ***********参数： PVOID addr(总线相对地址), INT sz(需要映射的字节数) ***********功能： 把芯片中针对IOP的物理地址和操作系统的虚存空间联系起来. ***********返回值：基虚拟地址 ***********************************************************************************/ PRIVATE PVOID IOP_RegAlloc(PVOID addr, INT sz) { PVOID reg; reg = (PVOID)VirtualAlloc(0, sz, MEM_RESERVE, PAGE_NOACCESS); if (reg) { if (!VirtualCopy(reg, addr, sz, PAGE_READWRITE | PAGE_NOCACHE )) { RETAILMSG( DEBUGMODE,( TEXT( "For s2410IOP: VirtualCopy failed!\n\r" ) ) ); VirtualFree(reg, sz, MEM_RELEASE); reg = NULL; } } else { RETAILMSG(DEBUGMODE,(TEXT("For s2410IOP: VirtualAlloc failed!\r\n"))); } return reg; } /********************************************************************************************** **********函数名: IIC_VirtualAlloc **********功能： 为IIC取得注册表信息并且用它来得到COM端口序列号IO端口基地址和中断号 **********参数说明：LPCTSTR regKeyPath是传送给IIC的注册路径 **********返回值： 如果错误返回 r **********************************************************************************************/ PRIVATE BOOL IIC_VirtualAlloc(VOID) { BOOL r = FALSE; RETAILMSG(RETAILMODE,(TEXT("::: IIC_VirtualAlloc()\r\n"))); do { v_pIOPregs = (volatile IOPreg *)IOP_RegAlloc((PVOID)IOP_BASE, sizeof(IOPreg)); if (v_pIOPregs == NULL) { RETAILMSG(RETAILMODE,(TEXT("For IOPreg: VirtualAlloc failed!\r\n"))); break; } v_pIICregs = (volatile IICreg *)IIC_RegAlloc((PVOID)IIC_BASE, sizeof(IICreg)); if (v_pIICregs == NULL) { RETAILMSG(RETAILMODE,(TEXT("For IICreg: VirtualAlloc failed!\r\n"))); break; } /*v_pINTregs = (volatile INTreg *)INT_RegAlloc((PVOID)INT_BASE, sizeof(INTreg)); if (v_pINTregs == NULL) { ERRORMSG(RETAILMODE,(TEXT("For INTreg: VirtualAlloc failed!\r\n"))); break; }*/ r = TRUE; } while (0); if (!r) { IIC_VirtualFree(); RETAILMSG(RETAILMODE,(TEXT("::: IIC_VirtualAlloc() - Fail\r\n"))); } else { RETAILMSG(RETAILMODE,(TEXT("::: IIC_VirtualAlloc() - Success\r\n"))); } return r; } /********************************************************************************************** **********函数名: IIC_VirtualFree **********功能： 为线程取消虚拟地址空间 **********参数说明：LPCTSTR regKeyPath是传送给IIC的注册路径 **********返回值： 如果错误返回 r **********************************************************************************************/ PRIVATE void IIC_VirtualFree(VOID) { RETAILMSG(0,(TEXT("::: IIC_VirtualFree()\r\n"))); if (v_pIOPregs) { VirtualFree((PVOID)v_pIOPregs, sizeof(IOPreg), MEM_RELEASE); v_pIOPregs = NULL; } if (v_pIICregs) { VirtualFree((PVOID)v_pIICregs, sizeof(IICreg), MEM_RELEASE); v_pIICregs = NULL; } } /******************************************************************************************** ***********函数名：IIC_Init ***********功能： 初始化IIC各参数 ***********参数： Identifier(设备标实符),pMddHead,pHWObj ***********返回值: *********************************************************************************************/ DWORD IIC_Init(ULONG Identifier) { RETAILMSG(RETAILMODE,(TEXT("Go into IIC_Init \n"