diff options
Diffstat (limited to 'apps/examples/touchscreen/tc_main.c')
| -rw-r--r-- | apps/examples/touchscreen/tc_main.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/apps/examples/touchscreen/tc_main.c b/apps/examples/touchscreen/tc_main.c deleted file mode 100644 index 79b6b65a3..000000000 --- a/apps/examples/touchscreen/tc_main.c +++ /dev/null @@ -1,208 +0,0 @@ -/**************************************************************************** - * examples/touchscreen/tc_main.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 NuttX 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 <sys/types.h> - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/input/touchscreen.h> - -#include "tc.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: tc_main - ****************************************************************************/ - -int tc_main(int argc, char *argv[]) -{ - struct touch_sample_s sample; - ssize_t nbytes; -#if defined(CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN) || defined(CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES) - long nsamples; -#endif - int fd; - int errval = 0; - int ret; - - /* If this example is configured as an NX add-on, then limit the number of - * samples that we collect before returning. Otherwise, we never return - */ - -#if defined(CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN) - nsamples = 1; - if (argc > 1) - { - nsamples = strtol(argv[1], NULL, 10); - } - message("tc_main: nsamples: %d\n", nsamples); -#elif defined(CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES) - message("tc_main: nsamples: %d\n", CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES); -#endif - - /* Initialization of the touchscreen hardware is performed by logic - * external to this test. - */ - - message("tc_main: Initializing external touchscreen device\n"); - ret = arch_tcinitialize(CONFIG_EXAMPLES_TOUCHSCREEN_MINOR); - if (ret != OK) - { - message("tc_main: arch_tcinitialize failed: %d\n", ret); - errval = 1; - goto errout; - } - - /* Open the touchscreen device for reading */ - - message("tc_main: Opening %s\n", CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH); - fd = open(CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH, O_RDONLY); - if (fd < 0) - { - message("tc_main: open %s failed: %d\n", - CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH, errno); - errval = 2; - goto errout_with_tc; - } - - /* Now loop the appropriate number of times, displaying the collected - * touchscreen samples. - */ - -#if defined(CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN) - for (; nsamples > 0; nsamples--) -#elif defined(CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES) - for (nsamples = 0; nsamples < CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES; nsamples++) -#else - for (;;) -#endif - { - /* Flush any output before the loop entered or from the previous pass - * through the loop. - */ - - msgflush(); - - /* Read one sample */ - - ivdbg("Reading...\n"); - nbytes = read(fd, &sample, sizeof(struct touch_sample_s)); - ivdbg("Bytes read: %d\n", nbytes); - - /* Handle unexpected return values */ - - if (nbytes < 0) - { - errval = errno; - if (errval != EINTR) - { - message("tc_main: read %s failed: %d\n", - CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH, errval); - errval = 3; - goto errout_with_dev; - } - - message("tc_main: Interrupted read...\n"); - } - else if (nbytes != sizeof(struct touch_sample_s)) - { - message("tc_main: Unexpected read size=%d, expected=%d, Ignoring\n", - nbytes, sizeof(struct touch_sample_s)); - } - - /* Print the sample data on successful return */ - - else - { - message("Sample :\n"); - message(" npoints : %d\n", sample.npoints); - message("Point 1 :\n"); - message(" id : %d\n", sample.point[0].id); - message(" flags : %02x\n", sample.point[0].flags); - message(" x : %d\n", sample.point[0].x); - message(" y : %d\n", sample.point[0].y); - message(" h : %d\n", sample.point[0].h); - message(" w : %d\n", sample.point[0].w); - message(" pressure : %d\n", sample.point[0].pressure); - } - } - -errout_with_dev: - close(fd); -errout_with_tc: - arch_tcuninitialize(); -errout: - message("Terminating!\n"); - msgflush(); - return errval; -} |