/** ****************************************************************************** * * @file GPS.c * @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. * @brief GPS module, handles GPS and NMEA stream * @see The GNU Public License (GPL) Version 3 * *****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "openpilot.h" #include "MkSerial.h" #include "gpsobject.h" // Debugging // Private functions static void MkSerialTask(void* parameters); // Private constants #define PORT COM_USART1 #define STACK_SIZE 1024 #define TASK_PRIORITY (tskIDLE_PRIORITY + 3) // Private types // Private variables /** * Initialise the module * \return -1 if initialisation failed * \return 0 on success */ int32_t MkSerialInitialize(void) { // Start gps task xTaskCreate(MkSerialTask, (signed char*)"MkSerial", STACK_SIZE, NULL, TASK_PRIORITY, NULL); return 0; } /** * gps task. Processes input buffer. It does not return. */ static void MkSerialTask(void* parameters) { PIOS_COM_ChangeBaud(PORT, 38400); PIOS_COM_SendString(PORT, "MKSerial Started\n"); while(1) { int32_t len; len = PIOS_COM_ReceiveBufferUsed(PORT); if (len) { PIOS_COM_SendFormattedString(PORT, "Received %d: ", len); for (int32_t n = 0; n < len; ++n) { PIOS_COM_SendChar(PORT, PIOS_COM_ReceiveBuffer(PORT)); } PIOS_COM_SendString(PORT, "\n"); } vTaskDelay(100 / portTICK_RATE_MS); } }