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iio.c: run clang format on iio.c

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2015-10-28 11:07:45 +00:00
parent 8a548de8ae
commit 219632a1b8
1 changed files with 76 additions and 74 deletions
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150
src/iio/iio.c
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@@ -32,8 +32,8 @@
#define MAX_SIZE 128
#define IIO_DEVICE "iio:device"
#define IIO_SCAN_ELEM "scan_elements"
#define IIO_SLASH_DEV "/dev/"IIO_DEVICE
#define IIO_SYSFS_DEVICE "/sys/bus/iio/devices/"IIO_DEVICE
#define IIO_SLASH_DEV "/dev/" IIO_DEVICE
#define IIO_SYSFS_DEVICE "/sys/bus/iio/devices/" IIO_DEVICE
#define IIO_EVENTS "events"
mraa_iio_context
@@ -70,7 +70,7 @@ mraa_iio_get_channel_count(mraa_iio_context dev)
mraa_result_t
mraa_iio_get_channel_data(mraa_iio_context dev)
{
const struct dirent *ent;
const struct dirent* ent;
DIR* dir;
int chan_num = 0;
char buf[MAX_SIZE];
@@ -89,14 +89,14 @@ mraa_iio_get_channel_data(mraa_iio_context dev)
if (dir != NULL) {
while ((ent = readdir(dir)) != NULL) {
if (strcmp(ent->d_name + strlen(ent->d_name) - strlen("_en"), "_en") == 0) {
chan_num++;
chan_num++;
}
}
}
dev->chan_num = chan_num;
//no need proceed if no channel found
if (chan_num == 0)
return MRAA_SUCCESS;
// no need proceed if no channel found
if (chan_num == 0)
return MRAA_SUCCESS;
mraa_iio_channel* chan;
dev->channels = calloc(chan_num, sizeof(mraa_iio_channel));
seekdir(dir, 0);
@@ -113,21 +113,20 @@ mraa_iio_get_channel_data(mraa_iio_context dev)
chan->index = chan_num;
close(fd);
buf[(strlen(buf)-5)] = '\0';
buf[(strlen(buf) - 5)] = '\0';
char* str = strdup(buf);
// grab the type of the buffer
snprintf(buf, MAX_SIZE, "%stype", str);
fd = open(buf, O_RDONLY);
if (fd > 0) {
read(fd, readbuf, 31 * sizeof(char));
ret = sscanf(readbuf, "%ce:%c%u/%u>>%u", &shortbuf,
&signchar, &chan->bits_used,
&padint, &chan->shift);
ret = sscanf(readbuf, "%ce:%c%u/%u>>%u", &shortbuf, &signchar, &chan->bits_used,
&padint, &chan->shift);
chan->bytes = padint / 8;
if (curr_bytes % chan->bytes == 0) {
chan->location = curr_bytes;
} else {
chan->location = curr_bytes - curr_bytes%chan->bytes + chan->bytes;
chan->location = curr_bytes - curr_bytes % chan->bytes + chan->bytes;
}
curr_bytes = chan->location + chan->bytes;
// probably should be 5?
@@ -155,7 +154,7 @@ mraa_iio_get_channel_data(mraa_iio_context dev)
return -1;
}
chan->enabled = (int) strtol(readbuf, NULL, 10);
//only calculate enable buffer size for trigger buffer extract data
// only calculate enable buffer size for trigger buffer extract data
if (chan->enabled) {
dev->datasize += chan->bytes;
}
@@ -195,7 +194,7 @@ mraa_iio_get_device_num_by_name(const char* name)
struct _iio* device;
device = &plat_iio->iio_devices[i];
// we want to check for exact match
if (strncmp(device->name, name, strlen(device->name)+1) == 0) {
if (strncmp(device->name, name, strlen(device->name) + 1) == 0) {
return device->num;
}
}
@@ -224,14 +223,14 @@ mraa_iio_write(mraa_iio_context dev, const char* attr_chan, const char* data)
snprintf(buf, 128, IIO_SYSFS_DEVICE "%d/%s", dev->num, attr_chan);
int fd = open(buf, O_WRONLY);
if (fd != -1) {
write(fd, data, (strlen(data)+1));
write(fd, data, (strlen(data) + 1));
return MRAA_SUCCESS;
}
return MRAA_ERROR_UNSPECIFIED;
}
static mraa_result_t
mraa_iio_wait_event(int fd, char* data, int *read_size)
mraa_iio_wait_event(int fd, char* data, int* read_size)
{
struct pollfd pfd;
@@ -257,14 +256,14 @@ mraa_iio_trigger_handler(void* arg)
{
mraa_iio_context dev = (mraa_iio_context) arg;
int i;
char data[MAX_SIZE*100];
char data[MAX_SIZE * 100];
int read_size;
for (;;) {
if (mraa_iio_wait_event(dev->fp, &data[0], &read_size) == MRAA_SUCCESS) {
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
//only can process if readsize >= enabled channel's datasize
for (i=0; i<(read_size/dev->datasize); i++) {
// only can process if readsize >= enabled channel's datasize
for (i = 0; i < (read_size / dev->datasize); i++) {
dev->isr(&data);
}
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
@@ -299,7 +298,7 @@ mraa_iio_trigger_buffer(mraa_iio_context dev, void (*fptr)(char* data), void* ar
mraa_result_t
mraa_iio_get_event_data(mraa_iio_context dev)
{
const struct dirent *ent;
const struct dirent* ent;
DIR* dir;
int event_num = 0;
char buf[MAX_SIZE];
@@ -319,37 +318,35 @@ mraa_iio_get_event_data(mraa_iio_context dev)
}
}
dev->event_num = event_num;
//no need proceed if no event found
if (event_num == 0)
return MRAA_SUCCESS;
// no need proceed if no event found
if (event_num == 0)
return MRAA_SUCCESS;
mraa_iio_event* event;
dev->events = calloc(event_num, sizeof(mraa_iio_event));
if ( dev->events == NULL)
{
closedir(dir);
return MRAA_ERROR_UNSPECIFIED;
}
rewinddir(dir);
event_num = 0;
while ((ent = readdir(dir)) != NULL)
{
dev->events = calloc(event_num, sizeof(mraa_iio_event));
if (dev->events == NULL) {
closedir(dir);
return MRAA_ERROR_UNSPECIFIED;
}
rewinddir(dir);
event_num = 0;
while ((ent = readdir(dir)) != NULL) {
if (strcmp(ent->d_name + strlen(ent->d_name) - strlen("_en"), "_en") == 0) {
event = &dev->events[event_num];
event = &dev->events[event_num];
event->name = strdup(ent->d_name);
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, ent->d_name);
fd = open(buf, O_RDONLY);
if (fd > 0) {
if (read(fd, readbuf, 2 * sizeof(char)) != 2) {
break;
}
close(fd);
}
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, ent->d_name);
fd = open(buf, O_RDONLY);
if (fd > 0) {
if (read(fd, readbuf, 2 * sizeof(char)) != 2) {
break;
}
close(fd);
}
event->enabled = ((int) strtol(readbuf, NULL, 10));
//Todo, read other event info.
event_num++;
// Todo, read other event info.
event_num++;
}
}
closedir(dir);
closedir(dir);
}
return MRAA_SUCCESS;
}
@@ -369,14 +366,14 @@ mraa_iio_event_read(mraa_iio_context dev, const char* attribute, float* data)
}
mraa_result_t
mraa_iio_event_write(mraa_iio_context dev, const char* attribute, const char* data)
mraa_iio_event_write(mraa_iio_context dev, const char* attribute, const char* data)
{
int len;
int len;
char buf[MAX_SIZE];
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, attribute);
int fd = open(buf, O_WRONLY);
if (fd != -1) {
int len = write(fd, data, ( strlen(data) +1 ));
int len = write(fd, data, (strlen(data) + 1));
return MRAA_SUCCESS;
}
return MRAA_ERROR_UNSPECIFIED;
@@ -408,27 +405,27 @@ mraa_iio_event_poll(mraa_iio_context dev, struct iio_event_data* data)
{
char bu[MAX_SIZE];
int ret;
int event_fd;
int fd;
int event_fd;
int fd;
sprintf(bu, IIO_SLASH_DEV "%d", dev->num);
sprintf(bu, IIO_SLASH_DEV "%d", dev->num);
fd = open(bu, 0);
ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
close(fd);
ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
close(fd);
if (ret == -1 || event_fd == -1)
return MRAA_ERROR_UNSPECIFIED;
if (ret == -1 || event_fd == -1)
return MRAA_ERROR_UNSPECIFIED;
ret = read(event_fd, data, sizeof(struct iio_event_data));
ret = read(event_fd, data, sizeof(struct iio_event_data));
close(event_fd);
close(event_fd);
return MRAA_SUCCESS;
}
static void*
mraa_iio_event_handler(void* arg)
{
struct iio_event_data data;
struct iio_event_data data;
mraa_iio_context dev = (mraa_iio_context) arg;
for (;;) {
@@ -447,7 +444,7 @@ mraa_iio_event_handler(void* arg)
mraa_result_t
mraa_iio_event_setup_callback(mraa_iio_context dev, void (*fptr)(struct iio_event_data* data), void* args)
{
int ret;
int ret;
char bu[MAX_SIZE];
if (dev->thread_id != 0) {
return MRAA_ERROR_NO_RESOURCES;
@@ -458,13 +455,12 @@ mraa_iio_event_setup_callback(mraa_iio_context dev, void (*fptr)(struct iio_even
if (dev->fp == -1) {
return MRAA_ERROR_INVALID_RESOURCE;
}
ret = ioctl(dev->fp, IIO_GET_EVENT_FD_IOCTL, &dev->fp_event);
close(dev->fp);
ret = ioctl(dev->fp, IIO_GET_EVENT_FD_IOCTL, &dev->fp_event);
close(dev->fp);
if (ret == -1 || dev->fp_event == -1)
{
return MRAA_ERROR_UNSPECIFIED;
}
if (ret == -1 || dev->fp_event == -1) {
return MRAA_ERROR_UNSPECIFIED;
}
dev->isr_event = fptr;
pthread_create(&dev->thread_id, NULL, mraa_iio_event_handler, (void*) dev);
@@ -473,15 +469,22 @@ mraa_iio_event_setup_callback(mraa_iio_context dev, void (*fptr)(struct iio_even
}
mraa_result_t
mraa_iio_event_extract_event(struct iio_event_data* event, int* chan_type, int* modifier, int* type, int* direction, int* channel, int* channel2, int* different)
mraa_iio_event_extract_event(struct iio_event_data* event,
int* chan_type,
int* modifier,
int* type,
int* direction,
int* channel,
int* channel2,
int* different)
{
*chan_type = IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event->id);
*modifier= IIO_EVENT_CODE_EXTRACT_MODIFIER(event->id);
*type = IIO_EVENT_CODE_EXTRACT_TYPE(event->id);
*direction = IIO_EVENT_CODE_EXTRACT_DIR(event->id);
*channel = IIO_EVENT_CODE_EXTRACT_CHAN(event->id);
*channel2 = IIO_EVENT_CODE_EXTRACT_CHAN2(event->id);
*different = IIO_EVENT_CODE_EXTRACT_DIFF(event->id);
*chan_type = IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event->id);
*modifier = IIO_EVENT_CODE_EXTRACT_MODIFIER(event->id);
*type = IIO_EVENT_CODE_EXTRACT_TYPE(event->id);
*direction = IIO_EVENT_CODE_EXTRACT_DIR(event->id);
*channel = IIO_EVENT_CODE_EXTRACT_CHAN(event->id);
*channel2 = IIO_EVENT_CODE_EXTRACT_CHAN2(event->id);
*different = IIO_EVENT_CODE_EXTRACT_DIFF(event->id);
return MRAA_SUCCESS;
}
#if 0
@@ -492,4 +495,3 @@ mraa_iio_stop(mraa_iio_context dev)
return MRAA_SUCCESS;
}
#endif