diff options
Diffstat (limited to 'apps/px4/tests/test_jig_voltages.c')
| -rw-r--r-- | apps/px4/tests/test_jig_voltages.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/apps/px4/tests/test_jig_voltages.c b/apps/px4/tests/test_jig_voltages.c new file mode 100644 index 000000000..51f9b9a5b --- /dev/null +++ b/apps/px4/tests/test_jig_voltages.c @@ -0,0 +1,217 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#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> + + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: test_gpio + ****************************************************************************/ + +int test_jig_voltages(int argc, char *argv[]) +{ + int fd0 = 0; + int ret = OK; + const int nchannels = 4; + + struct adc_msg4_s + { + uint8_t am_channel1; /* The 8-bit ADC Channel */ + int32_t am_data1; /* ADC convert result (4 bytes) */ + uint8_t am_channel2; /* The 8-bit ADC Channel */ + int32_t am_data2; /* ADC convert result (4 bytes) */ + uint8_t am_channel3; /* The 8-bit ADC Channel */ + int32_t am_data3; /* ADC convert result (4 bytes) */ + uint8_t am_channel4; /* The 8-bit ADC Channel */ + int32_t am_data4; /* ADC convert result (4 bytes) */ + }__attribute__((__packed__));; + + struct adc_msg4_s sample1[4]; + + size_t readsize; + ssize_t nbytes; + int i = 0; + int j = 0; + int errval; + + char name[11]; + sprintf(name, "/dev/adc%d", j); + fd0 = open(name, O_RDONLY | O_NONBLOCK); + if (fd0 < 0) + { + printf("ADC: %s open fail\n", name); + return ERROR; + } else { + printf("Opened %s successfully\n", name); + } + + + /* Expected values */ + int16_t expected_min[] = {2700, 2700, 2200, 2000}; + int16_t expected_max[] = {3000, 3000, 2500, 2200}; + char* check_res[nchannels]; + + /* first adc read round */ + readsize = 4 * sizeof(struct adc_msg_s); + + /* Empty all buffers */ + do { + nbytes = read(fd0, sample1, readsize); + } + while (nbytes > 0); + + up_udelay(20000);//microseconds + /* Take measurements */ + nbytes = read(fd0, sample1, readsize); + + /* Handle unexpected return values */ + + if (nbytes <= 0) + { + errval = errno; + if (errval != EINTR) + { + message("read %s failed: %d\n", + name, errval); + errval = 3; + goto errout_with_dev; + } + + message("\tInterrupted read...\n"); + } + else if (nbytes == 0) + { + message("\tNo data read, Ignoring\n"); + } + + /* Print the sample data on successful return */ + + else + { + int nsamples = nbytes / sizeof(struct adc_msg_s); + if (nsamples * sizeof(struct adc_msg_s) != nbytes) + { + message("\tread size=%d is not a multiple of sample size=%d, Ignoring\n", + nbytes, sizeof(struct adc_msg_s)); + } + else + { + /* Check values */ + check_res[0] = (expected_min[0] < sample1[i].am_data1 && expected_max[0] > sample1[i].am_data1) ? "OK" : "FAIL"; + check_res[1] = (expected_min[1] < sample1[i].am_data2 && expected_max[1] > sample1[i].am_data2) ? "OK" : "FAIL"; + check_res[2] = (expected_min[2] < sample1[i].am_data3 && expected_max[2] > sample1[i].am_data3) ? "OK" : "FAIL"; + check_res[3] = (expected_min[3] < sample1[i].am_data4 && expected_max[3] > sample1[i].am_data4) ? "OK" : "FAIL"; + + /* Accumulate result */ + ret += (expected_min[0] > sample1[i].am_data1 || expected_max[0] < sample1[i].am_data1) ? 1 : 0; + // XXX Chan 11 not connected on test setup + //ret += (expected_min[1] > sample1[i].am_data2 || expected_max[1] < sample1[i].am_data2) ? 1 : 0; + ret += (expected_min[2] > sample1[i].am_data3 || expected_max[2] < sample1[i].am_data3) ? 1 : 0; + ret += (expected_min[3] > sample1[i].am_data4 || expected_max[3] < sample1[i].am_data4) ? 1 : 0; + + message("Sample:"); + message("%d: channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n", + i, sample1[i].am_channel1, sample1[i].am_data1, expected_min[0], expected_max[0], check_res[0]); + message("Sample:"); + message("%d: channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n", + i, sample1[i].am_channel2, sample1[i].am_data2, expected_min[1], expected_max[1], check_res[1]); + message("Sample:"); + message("%d: channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n", + i, sample1[i].am_channel3, sample1[i].am_data3, expected_min[2], expected_max[2], check_res[2]); + message("Sample:"); + message("%d: channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n", + i, sample1[i].am_channel4, sample1[i].am_data4, expected_min[3], expected_max[3], check_res[3]); + + if (ret != OK) { + printf("\t ADC test FAILED. Some channels where out of allowed range. Check supply voltages.\n"); + goto errout_with_dev; + } + } + } + + printf("\t ADC test successful.\n"); + + errout_with_dev: + if (fd0 != 0) close(fd0); + + return ret; +} |