forked from Archive/PX4-Autopilot
212 lines
7.1 KiB
C
212 lines
7.1 KiB
C
/****************************************************************************
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* px4/sensors/test_gpio.c
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/arch.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/spi.h>
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#include "tests.h"
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#include <nuttx/analog/adc.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: test_gpio
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****************************************************************************/
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int test_adc(int argc, char *argv[])
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{
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int fd0;
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int ret = 0;
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//struct adc_msg_s sample[4],sample2[4],sample3[4],sample4[4],sample5[4],sample6[4],sample7[4],sample8[4],sample9[4];
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struct adc_msg4_s {
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uint8_t am_channel1; /* The 8-bit ADC Channel */
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int32_t am_data1; /* ADC convert result (4 bytes) */
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uint8_t am_channel2; /* The 8-bit ADC Channel */
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int32_t am_data2; /* ADC convert result (4 bytes) */
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uint8_t am_channel3; /* The 8-bit ADC Channel */
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int32_t am_data3; /* ADC convert result (4 bytes) */
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uint8_t am_channel4; /* The 8-bit ADC Channel */
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int32_t am_data4; /* ADC convert result (4 bytes) */
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} __attribute__((__packed__));;
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struct adc_msg4_s sample1[4], sample2[4];
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size_t readsize;
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ssize_t nbytes, nbytes2;
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int i;
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int j;
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int errval;
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for (j = 0; j < 1; j++) {
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char name[11];
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sprintf(name, "/dev/adc%d", j);
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fd0 = open(name, O_RDONLY | O_NONBLOCK);
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if (fd0 < 0) {
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printf("ADC: %s open fail\n", name);
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return ERROR;
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} else {
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printf("Opened %s successfully\n", name);
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}
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/* first adc read round */
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readsize = 4 * sizeof(struct adc_msg_s);
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up_udelay(10000);//microseconds
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nbytes = read(fd0, sample1, readsize);
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up_udelay(10000);//microseconds
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nbytes2 = read(fd0, sample2, readsize);
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// nbytes2 = read(fd0, sample3, readsize);
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// nbytes2 = read(fd0, sample4, readsize);
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// nbytes2 = read(fd0, sample5, readsize);
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// nbytes2 = read(fd0, sample6, readsize);
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// nbytes2 = read(fd0, sample7, readsize);
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// nbytes2 = read(fd0, sample8, readsize);
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//nbytes2 = read(fd0, sample9, readsize);
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/* Handle unexpected return values */
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if (nbytes < 0) {
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errval = errno;
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if (errval != EINTR) {
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message("read %s failed: %d\n",
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name, errval);
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errval = 3;
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goto errout_with_dev;
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}
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message("\tInterrupted read...\n");
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} else if (nbytes == 0) {
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message("\tNo data read, Ignoring\n");
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}
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/* Print the sample data on successful return */
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else {
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int nsamples = nbytes / sizeof(struct adc_msg_s);
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if (nsamples * sizeof(struct adc_msg_s) != nbytes) {
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message("\tread size=%d is not a multiple of sample size=%d, Ignoring\n",
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nbytes, sizeof(struct adc_msg_s));
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} else {
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message("Sample:");
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for (i = 0; i < 1 ; i++) {
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message("%d: channel: %d value: %d\n",
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i, sample1[i].am_channel1, sample1[i].am_data1);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i, sample1[i].am_channel2, sample1[i].am_data2);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i, sample1[i].am_channel3, sample1[i].am_data3);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i, sample1[i].am_channel4, sample1[i].am_data4);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i + 1, sample2[i].am_channel1, sample2[i].am_data1);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i + 1, sample2[i].am_channel2, sample2[i].am_data2);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i + 1, sample2[i].am_channel3, sample2[i].am_data3);
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message("Sample:");
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message("%d: channel: %d value: %d\n",
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i + 1, sample2[i].am_channel4, sample2[i].am_data4);
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// message("%d: channel: %d value: %d\n",
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// i, sample9[i].am_channel, sample9[i].am_data);
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}
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}
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}
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}
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printf("\t ADC test successful.\n");
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errout_with_dev:
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if (fd0 != 0) close(fd0);
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return ret;
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}
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