WinCE-Driver.rar_EVC_internet_win ce 驱动_wince_wince driver

#include <windows.h> #include <tchar.h> #include <smbus.h> #include "platform.h" #include "bceddk.h" #include "gpio.h" #include "E:\WINCE500\PLATFORM\Db1200\Drivers\Psc_i2s\psc_i2s.h" #define BUFSIZE 256 WCHAR achBuffer[BUFSIZE]; DWORD dwAAASysIntr; HANDLE hAAAInterruptEvent; HANDLE hAAAInterruptThread; BOOL WINAPI DllEntryPoint(HANDLE hinstDLL, DWORD dwReason, LPVOID lpvReserved) { switch(dwReason) { case DLL_PROCESS_ATTACH: RETAILMSG(1, (TEXT("STRINGS:DLL_PROCESS_ATTACH\n"))); break; case DLL_THREAD_ATTACH: RETAILMSG(1, (TEXT("STRINGS:DLL_THREAD_ATTACH\n"))); break; case DLL_THREAD_DETACH: RETAILMSG(1, (TEXT("STRINGS:DLL_THREAD_DETACH\n"))); break; case DLL_PROCESS_DETACH: RETAILMSG(1, (TEXT("STRINGS:DLL_PROCESS_DETACH\n"))); break; #ifdef UNDER_CE case DLL_PROCESS_EXITING: RETAILMSG(1, (TEXT("STRINGS:DLL_PROCESS_EXITING\n"))); break; case DLL_SYSTEM_STARTED: RETAILMSG(1, (TEXT("STRINGS:DLL_SYSTEM_STARTED\n"))); break; #endif } return TRUE; } DWORD ThreadProc(PVOID pArg) { DWORD dw; HANDLE hPCA9554; SMBUS_TRANSFER smPCA9554; hPCA9554 = SMBus_Initialize(); while (1) { dw = WaitForSingleObject(hAAAInterruptEvent, INFINITE); switch(dw) { case WAIT_OBJECT_0: ResetEvent(hAAAInterruptEvent); InterruptDone(dwAAASysIntr); RETAILMSG(1, (TEXT("AAA9554: Internal\r\n"))); smPCA9554.Address = 0x4e; smPCA9554.Register = 0; smPCA9554.DataSize = 0; smPCA9554.Data[0] = 0; SMBus_WriteData(hPCA9554, &smPCA9554); smPCA9554.Address = 0x4f; smPCA9554.Register = 0; smPCA9554.DataSize = 1; smPCA9554.Data[0] = 0; SMBus_ReadData(hPCA9554, &smPCA9554); RETAILMSG(1, (TEXT("AAA9554: smPCA9554.Data[0] = %x\r\n", smPCA9554.Data[0]))); break; } } return 1; } DWORD AAA_Init(DWORD dwContext) { DWORD dwRet = 0; DWORD dwAAAthreadID; int x = 0; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Init\n"))); // 初始化驱动程序 memset(achBuffer, 0, BUFSIZE * sizeof(WCHAR)); // 返回一个不为零的数 dwRet = 1; dwAAASysIntr = InterruptConnect(Internal, 0, HWINTR_GPIO28, 0); if (SYSINTR_NOP == dwAAASysIntr) { RETAILMSG(1, (TEXT("AAA9554: Can't allocate AAA9554 SYSINTR\r\n"))); goto ErrorReturn; } hAAAInterruptEvent = CreateEvent(NULL, FALSE, FALSE, NULL); if (NULL == hAAAInterruptEvent) { RETAILMSG(1, (TEXT("AAA9554: Can't create AAA9554 interrupt event\r\n"))); goto ErrorReturn; } if (!InterruptInitialize(dwAAASysIntr, hAAAInterruptEvent, NULL, 0)) { RETAILMSG(1, (TEXT("AAA9554: Call to InterruptInitialize failed\r\n"))); goto ErrorReturn; } hAAAInterruptThread = CreateThread(NULL, 0, ThreadProc, &x, 0, &dwAAAthreadID); if (NULL == hAAAInterruptThread) { RETAILMSG(1, (TEXT("AAA9554: Call to CreateThread failed\r\n"))); goto ErrorReturn; } return dwRet; ErrorReturn: dwRet = 0; return dwRet; } BOOL AAA_Deinit(DWORD hDeviceContext) { BOOL bRet = TRUE; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Deinit\n"))); return bRet; } DWORD AAA_Open(DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode) { DWORD dwRet = 0; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Open\n"))); // 必须返回一个不为空的句柄 dwRet = 1; return dwRet; } BOOL AAA_Close(DWORD hOpenContext) { BOOL bRet = TRUE; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Close\n"))); return bRet; } BOOL AAA_IOControl(DWORD hOpenContext, DWORD dwCode, PBYTE pBufIn, DWORD dwLenIn, PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut) { BOOL bRet = TRUE; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_IOControl\n"))); return bRet; } void AAA_PowerDown(DWORD hDeviceContext) { RETAILMSG(1, (TEXT("MYSTRINGS:AAA_PowerDown\n"))); } void AAA_PowerUp(DWORD hDeviceContext) { RETAILMSG(1, (TEXT("MYSTRINGS:AAA_PowerUp\n"))); } DWORD AAA_Read(DWORD hOpenContext, LPVOID pBuffer, DWORD Count) { DWORD dwRet = 0; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Read\n"))); // 确定读取的字节大小读取数据 DWORD cbBuffer = wcslen(achBuffer); dwRet = min(cbBuffer, Count); wcsncpy((LPWSTR)pBuffer, achBuffer, dwRet); // 返回实际读取的字节数 return dwRet; } DWORD AAA_Seek(DWORD hOpenContext, long Amount, WORD Type) { DWORD dwRet = 0; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Seek\n"))); return dwRet; } DWORD AAA_Write(DWORD hOpenContext, LPCVOID pBuffer, DWORD Count) { DWORD dwRet = 0; RETAILMSG(1, (TEXT("MYSTRINGS:AAA_Write\n"))); // 确定实际要写入字节的大小，写入数据 dwRet = min(BUFSIZE, Count); wcsncpy(achBuffer, (LPWSTR)pBuffer, dwRet); // 返回实际写入的字节数 return dwRet; }