Move the 'tests' app to the new world.

src/systemcmds/tests/test_adc.c

@@ -0,0 +1,94 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2012 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 test_adc.c
+ * Test for the analog to digital converter.
+ */
+
+#include <nuttx/config.h>
+#include <nuttx/arch.h>
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/spi.h>
+
+#include "tests.h"
+
+#include <nuttx/analog/adc.h>
+#include <drivers/drv_adc.h>
+#include <systemlib/err.h>
+
+int test_adc(int argc, char *argv[])
+{
+	int fd = open(ADC_DEVICE_PATH, O_RDONLY);
+
+	if (fd < 0) {
+		warnx("ERROR: can't open ADC device");
+		return 1;
+	}
+
+	for (unsigned i = 0; i < 5; i++) {
+		/* make space for a maximum of eight channels */
+		struct adc_msg_s data[8];
+		/* read all channels available */
+		ssize_t count = read(fd, data, sizeof(data));
+
+		if (count < 0)
+			goto errout_with_dev;
+
+		unsigned channels = count / sizeof(data[0]);
+
+		for (unsigned j = 0; j < channels; j++) {
+			printf("%d: %u  ", data[j].am_channel, data[j].am_data);
+		}
+
+		printf("\n");
+		usleep(150000);
+	}
+
+	warnx("\t ADC test successful.\n");
+
+errout_with_dev:
+
+	if (fd != 0) close(fd);
+
+	return OK;
+}