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Diffstat (limited to 'src/drivers/roboclaw/roboclaw_main.cpp')
| -rw-r--r-- | src/drivers/roboclaw/roboclaw_main.cpp | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/drivers/roboclaw/roboclaw_main.cpp b/src/drivers/roboclaw/roboclaw_main.cpp new file mode 100644 index 000000000..44ed03254 --- /dev/null +++ b/src/drivers/roboclaw/roboclaw_main.cpp @@ -0,0 +1,195 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. 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 PX4 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 AND CONTRIBUTORS + * "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 OWNER OR CONTRIBUTORS 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 roboclaw_main.cpp + * + * RoboClaw Motor Driver + * + * references: + * http://downloads.orionrobotics.com/downloads/datasheets/motor_controller_robo_claw_R0401.pdf + * + */ + +#include <nuttx/config.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> + +#include <systemlib/systemlib.h> +#include <systemlib/param/param.h> + +#include <arch/board/board.h> +#include "RoboClaw.hpp" + +static bool thread_should_exit = false; /**< Deamon exit flag */ +static bool thread_running = false; /**< Deamon status flag */ +static int deamon_task; /**< Handle of deamon task / thread */ + +/** + * Deamon management function. + */ +extern "C" __EXPORT int roboclaw_main(int argc, char *argv[]); + +/** + * Mainloop of deamon. + */ +int roboclaw_thread_main(int argc, char *argv[]); + +/** + * Print the correct usage. + */ +static void usage(); + +static void usage() +{ + fprintf(stderr, "usage: roboclaw " + "{start|stop|status|test}\n\n"); +} + +/** + * The deamon app only briefly exists to start + * the background job. The stack size assigned in the + * Makefile does only apply to this management task. + * + * The actual stack size should be set in the call + * to task_create(). + */ +int roboclaw_main(int argc, char *argv[]) +{ + + if (argc < 1) + usage(); + + if (!strcmp(argv[1], "start")) { + + if (thread_running) { + printf("roboclaw already running\n"); + /* this is not an error */ + exit(0); + } + + thread_should_exit = false; + deamon_task = task_spawn_cmd("roboclaw", + SCHED_DEFAULT, + SCHED_PRIORITY_MAX - 10, + 2048, + roboclaw_thread_main, + (const char **)argv); + exit(0); + + } else if (!strcmp(argv[1], "test")) { + + const char * deviceName = "/dev/ttyS2"; + uint8_t address = 128; + uint16_t pulsesPerRev = 1200; + + if (argc == 2) { + printf("testing with default settings\n"); + } else if (argc != 4) { + printf("usage: roboclaw test device address pulses_per_rev\n"); + exit(-1); + } else { + deviceName = argv[2]; + address = strtoul(argv[3], nullptr, 0); + pulsesPerRev = strtoul(argv[4], nullptr, 0); + } + + printf("device:\t%s\taddress:\t%d\tpulses per rev:\t%ld\n", + deviceName, address, pulsesPerRev); + + roboclawTest(deviceName, address, pulsesPerRev); + thread_should_exit = true; + exit(0); + + } else if (!strcmp(argv[1], "stop")) { + + thread_should_exit = true; + exit(0); + + } else if (!strcmp(argv[1], "status")) { + + if (thread_running) { + printf("\troboclaw app is running\n"); + + } else { + printf("\troboclaw app not started\n"); + } + exit(0); + } + + usage(); + exit(1); +} + +int roboclaw_thread_main(int argc, char *argv[]) +{ + printf("[roboclaw] starting\n"); + + // skip parent process args + argc -=2; + argv +=2; + + if (argc < 3) { + printf("usage: roboclaw start device address\n"); + return -1; + } + + const char *deviceName = argv[1]; + uint8_t address = strtoul(argv[2], nullptr, 0); + uint16_t pulsesPerRev = strtoul(argv[3], nullptr, 0); + + printf("device:\t%s\taddress:\t%d\tpulses per rev:\t%ld\n", + deviceName, address, pulsesPerRev); + + // start + RoboClaw roboclaw(deviceName, address, pulsesPerRev); + + thread_running = true; + + // loop + while (!thread_should_exit) { + roboclaw.update(); + } + + // exit + printf("[roboclaw] exiting.\n"); + thread_running = false; + return 0; +} + +// vi:noet:smarttab:autoindent:ts=4:sw=4:tw=78 |