--- /dev/null
+/*
+ * Generic uart / rs232/ serial port library
+ *
+ * Copyright (c) 2013, Roel Verdult
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @file uart_win32.c
+ *
+ * Note: the win32 version of this library has also been seen under the GPLv3+
+ * license as part of the libnfc project, which appears to have additional
+ * contributors.
+ *
+ * This version of the library has functionality removed which was not used by
+ * proxmark3 project.
+ */
+
+#include "uart.h"
+
+// The windows serial port implementation
+#ifdef _WIN32
+#include <windows.h>
+
+typedef struct {
+ HANDLE hPort; // Serial port handle
+ DCB dcb; // Device control settings
+ COMMTIMEOUTS ct; // Serial port time-out configuration
+} serial_port_windows;
+
+void upcase(char *p) {
+ while(*p != '\0') {
+ if(*p >= 97 && *p <= 122) {
+ *p -= 32;
+ }
+ ++p;
+ }
+}
+
+serial_port uart_open(const char* pcPortName) {
+ char acPortName[255];
+ serial_port_windows* sp = malloc(sizeof(serial_port_windows));
+
+ // Copy the input "com?" to "\\.\COM?" format
+ sprintf(acPortName,"\\\\.\\%s",pcPortName);
+ upcase(acPortName);
+
+ // Try to open the serial port
+ sp->hPort = CreateFileA(acPortName,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);
+ if (sp->hPort == INVALID_HANDLE_VALUE) {
+ uart_close(sp);
+ return INVALID_SERIAL_PORT;
+ }
+
+ // Prepare the device control
+ memset(&sp->dcb, 0, sizeof(DCB));
+ sp->dcb.DCBlength = sizeof(DCB);
+ if(!BuildCommDCBA("baud=9600 data=8 parity=N stop=1",&sp->dcb)) {
+ uart_close(sp);
+ return INVALID_SERIAL_PORT;
+ }
+
+ // Update the active serial port
+ if(!SetCommState(sp->hPort,&sp->dcb)) {
+ uart_close(sp);
+ return INVALID_SERIAL_PORT;
+ }
+
+ sp->ct.ReadIntervalTimeout = 0;
+ sp->ct.ReadTotalTimeoutMultiplier = 0;
+ sp->ct.ReadTotalTimeoutConstant = 30;
+ sp->ct.WriteTotalTimeoutMultiplier = 0;
+ sp->ct.WriteTotalTimeoutConstant = 30;
+
+ if(!SetCommTimeouts(sp->hPort,&sp->ct)) {
+ uart_close(sp);
+ return INVALID_SERIAL_PORT;
+ }
+
+ PurgeComm(sp->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
+
+ return sp;
+}
+
+void uart_close(const serial_port sp) {
+ CloseHandle(((serial_port_windows*)sp)->hPort);
+ free(sp);
+}
+
+bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t pszMaxRxLen, size_t* pszRxLen) {
+ ReadFile(((serial_port_windows*)sp)->hPort,pbtRx,pszMaxRxLen,(LPDWORD)pszRxLen,NULL);
+ return (*pszRxLen != 0);
+}
+
+bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) {
+ DWORD dwTxLen = 0;
+ return WriteFile(((serial_port_windows*)sp)->hPort,pbtTx,szTxLen,&dwTxLen,NULL);
+ return (dwTxLen != 0);
+}
+
+bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) {
+ serial_port_windows* spw;
+ spw = (serial_port_windows*)sp;
+ spw->dcb.BaudRate = uiPortSpeed;
+ return SetCommState(spw->hPort, &spw->dcb);
+}
+
+uint32_t uart_get_speed(const serial_port sp) {
+ const serial_port_windows* spw = (serial_port_windows*)sp;
+ if (!GetCommState(spw->hPort, (serial_port)&spw->dcb)) {
+ return spw->dcb.BaudRate;
+ }
+ return 0;
+}
+
+#endif