diff options
Diffstat (limited to 'drivers/staging/iio/Documentation')
| -rw-r--r-- | drivers/staging/iio/Documentation/generic_buffer.c | 81 | ||||
| -rw-r--r-- | drivers/staging/iio/Documentation/iio_event_monitor.c | 32 | ||||
| -rw-r--r-- | drivers/staging/iio/Documentation/iio_utils.h | 7 | ||||
| -rw-r--r-- | drivers/staging/iio/Documentation/lsiio.c | 20 |
4 files changed, 99 insertions, 41 deletions
diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c index 044ea196aa6f..de4647e2495e 100644 --- a/drivers/staging/iio/Documentation/generic_buffer.c +++ b/drivers/staging/iio/Documentation/generic_buffer.c @@ -47,6 +47,7 @@ int size_from_channelarray(struct iio_channel_info *channels, int num_channels) { int bytes = 0; int i = 0; + while (i < num_channels) { if (bytes % channels[i].bytes == 0) channels[i].location = bytes; @@ -74,12 +75,14 @@ void print2byte(int input, struct iio_channel_info *info) input = input >> info->shift; if (info->is_signed) { int16_t val = input; + val &= (1 << info->bits_used) - 1; val = (int16_t)(val << (16 - info->bits_used)) >> (16 - info->bits_used); printf("%05f ", ((float)val + info->offset)*info->scale); } else { uint16_t val = input; + val &= (1 << info->bits_used) - 1; printf("%05f ", ((float)val + info->offset)*info->scale); } @@ -97,6 +100,7 @@ void process_scan(char *data, int num_channels) { int k; + for (k = 0; k < num_channels; k++) switch (channels[k].bytes) { /* only a few cases implemented so far */ @@ -158,11 +162,12 @@ int main(int argc, char **argv) char *buffer_access; int scan_size; int noevents = 0; + int notrigger = 0; char *dummy; struct iio_channel_info *channels; - while ((c = getopt(argc, argv, "l:w:c:et:n:")) != -1) { + while ((c = getopt(argc, argv, "l:w:c:et:n:g")) != -1) { switch (c) { case 'n': device_name = optarg; @@ -183,6 +188,9 @@ int main(int argc, char **argv) case 'l': buf_len = strtoul(optarg, &dummy, 10); break; + case 'g': + notrigger = 1; + break; case '?': return -1; } @@ -201,28 +209,32 @@ int main(int argc, char **argv) printf("iio device number being used is %d\n", dev_num); asprintf(&dev_dir_name, "%siio:device%d", iio_dir, dev_num); - if (trigger_name == NULL) { - /* - * Build the trigger name. If it is device associated its - * name is <device_name>_dev[n] where n matches the device - * number found above - */ - ret = asprintf(&trigger_name, - "%s-dev%d", device_name, dev_num); - if (ret < 0) { - ret = -ENOMEM; - goto error_ret; + + if (!notrigger) { + if (trigger_name == NULL) { + /* + * Build the trigger name. If it is device associated + * its name is <device_name>_dev[n] where n matches + * the device number found above. + */ + ret = asprintf(&trigger_name, + "%s-dev%d", device_name, dev_num); + if (ret < 0) { + ret = -ENOMEM; + goto error_ret; + } } - } - /* Verify the trigger exists */ - trig_num = find_type_by_name(trigger_name, "trigger"); - if (trig_num < 0) { - printf("Failed to find the trigger %s\n", trigger_name); - ret = -ENODEV; - goto error_free_triggername; - } - printf("iio trigger number being used is %d\n", trig_num); + /* Verify the trigger exists */ + trig_num = find_type_by_name(trigger_name, "trigger"); + if (trig_num < 0) { + printf("Failed to find the trigger %s\n", trigger_name); + ret = -ENODEV; + goto error_free_triggername; + } + printf("iio trigger number being used is %d\n", trig_num); + } else + printf("trigger-less mode selected\n"); /* * Parse the files in scan_elements to identify what channels are @@ -246,14 +258,18 @@ int main(int argc, char **argv) ret = -ENOMEM; goto error_free_triggername; } - printf("%s %s\n", dev_dir_name, trigger_name); - /* Set the device trigger to be the data ready trigger found above */ - ret = write_sysfs_string_and_verify("trigger/current_trigger", - dev_dir_name, - trigger_name); - if (ret < 0) { - printf("Failed to write current_trigger file\n"); - goto error_free_buf_dir_name; + + if (!notrigger) { + printf("%s %s\n", dev_dir_name, trigger_name); + /* Set the device trigger to be the data ready trigger found + * above */ + ret = write_sysfs_string_and_verify("trigger/current_trigger", + dev_dir_name, + trigger_name); + if (ret < 0) { + printf("Failed to write current_trigger file\n"); + goto error_free_buf_dir_name; + } } /* Setup ring buffer parameters */ @@ -323,9 +339,10 @@ int main(int argc, char **argv) if (ret < 0) goto error_close_buffer_access; - /* Disconnect the trigger - just write a dummy name. */ - write_sysfs_string("trigger/current_trigger", - dev_dir_name, "NULL"); + if (!notrigger) + /* Disconnect the trigger - just write a dummy name. */ + write_sysfs_string("trigger/current_trigger", + dev_dir_name, "NULL"); error_close_buffer_access: close(fp); diff --git a/drivers/staging/iio/Documentation/iio_event_monitor.c b/drivers/staging/iio/Documentation/iio_event_monitor.c index 569d6f8face5..940ed2399e73 100644 --- a/drivers/staging/iio/Documentation/iio_event_monitor.c +++ b/drivers/staging/iio/Documentation/iio_event_monitor.c @@ -69,16 +69,29 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_X] = "x", [IIO_MOD_Y] = "y", [IIO_MOD_Z] = "z", + [IIO_MOD_X_AND_Y] = "x&y", + [IIO_MOD_X_AND_Z] = "x&z", + [IIO_MOD_Y_AND_Z] = "y&z", + [IIO_MOD_X_AND_Y_AND_Z] = "x&y&z", + [IIO_MOD_X_OR_Y] = "x|y", + [IIO_MOD_X_OR_Z] = "x|z", + [IIO_MOD_Y_OR_Z] = "y|z", + [IIO_MOD_X_OR_Y_OR_Z] = "x|y|z", [IIO_MOD_LIGHT_BOTH] = "both", [IIO_MOD_LIGHT_IR] = "ir", [IIO_MOD_ROOT_SUM_SQUARED_X_Y] = "sqrt(x^2+y^2)", [IIO_MOD_SUM_SQUARED_X_Y_Z] = "x^2+y^2+z^2", - [IIO_MOD_LIGHT_BOTH] = "both", - [IIO_MOD_LIGHT_IR] = "ir", [IIO_MOD_LIGHT_CLEAR] = "clear", [IIO_MOD_LIGHT_RED] = "red", [IIO_MOD_LIGHT_GREEN] = "green", [IIO_MOD_LIGHT_BLUE] = "blue", + [IIO_MOD_QUATERNION] = "quaternion", + [IIO_MOD_TEMP_AMBIENT] = "ambient", + [IIO_MOD_TEMP_OBJECT] = "object", + [IIO_MOD_NORTH_MAGN] = "from_north_magnetic", + [IIO_MOD_NORTH_TRUE] = "from_north_true", + [IIO_MOD_NORTH_MAGN_TILT_COMP] = "from_north_magnetic_tilt_comp", + [IIO_MOD_NORTH_TRUE_TILT_COMP] = "from_north_true_tilt_comp", }; static bool event_is_known(struct iio_event_data *event) @@ -118,6 +131,14 @@ static bool event_is_known(struct iio_event_data *event) case IIO_MOD_X: case IIO_MOD_Y: case IIO_MOD_Z: + case IIO_MOD_X_AND_Y: + case IIO_MOD_X_AND_Z: + case IIO_MOD_Y_AND_Z: + case IIO_MOD_X_AND_Y_AND_Z: + case IIO_MOD_X_OR_Y: + case IIO_MOD_X_OR_Z: + case IIO_MOD_Y_OR_Z: + case IIO_MOD_X_OR_Y_OR_Z: case IIO_MOD_LIGHT_BOTH: case IIO_MOD_LIGHT_IR: case IIO_MOD_ROOT_SUM_SQUARED_X_Y: @@ -126,6 +147,13 @@ static bool event_is_known(struct iio_event_data *event) case IIO_MOD_LIGHT_RED: case IIO_MOD_LIGHT_GREEN: case IIO_MOD_LIGHT_BLUE: + case IIO_MOD_QUATERNION: + case IIO_MOD_TEMP_AMBIENT: + case IIO_MOD_TEMP_OBJECT: + case IIO_MOD_NORTH_MAGN: + case IIO_MOD_NORTH_TRUE: + case IIO_MOD_NORTH_MAGN_TILT_COMP: + case IIO_MOD_NORTH_TRUE_TILT_COMP: break; default: return false; diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h index 0973a092224a..568eff06f803 100644 --- a/drivers/staging/iio/Documentation/iio_utils.h +++ b/drivers/staging/iio/Documentation/iio_utils.h @@ -34,6 +34,7 @@ inline int iioutils_break_up_name(const char *full_name, char *current; char *w, *r; char *working; + current = strdup(full_name); working = strtok(current, "_\0"); w = working; @@ -335,6 +336,7 @@ inline int build_channel_array(const char *device_dir, if (strcmp(ent->d_name + strlen(ent->d_name) - strlen("_en"), "_en") == 0) { int current_enabled = 0; + current = &(*ci_array)[count++]; ret = asprintf(&filename, "%s/%s", scan_el_dir, ent->d_name); @@ -506,6 +508,7 @@ inline int _write_sysfs_int(char *filename, char *basedir, int val, int verify) FILE *sysfsfp; int test; char *temp = malloc(strlen(basedir) + strlen(filename) + 2); + if (temp == NULL) return -ENOMEM; sprintf(temp, "%s/%s", basedir, filename); @@ -554,6 +557,7 @@ int _write_sysfs_string(char *filename, char *basedir, char *val, int verify) int ret = 0; FILE *sysfsfp; char *temp = malloc(strlen(basedir) + strlen(filename) + 2); + if (temp == NULL) { printf("Memory allocation failed\n"); return -ENOMEM; @@ -614,6 +618,7 @@ int read_sysfs_posint(char *filename, char *basedir) int ret; FILE *sysfsfp; char *temp = malloc(strlen(basedir) + strlen(filename) + 2); + if (temp == NULL) { printf("Memory allocation failed"); return -ENOMEM; @@ -636,6 +641,7 @@ int read_sysfs_float(char *filename, char *basedir, float *val) int ret = 0; FILE *sysfsfp; char *temp = malloc(strlen(basedir) + strlen(filename) + 2); + if (temp == NULL) { printf("Memory allocation failed"); return -ENOMEM; @@ -658,6 +664,7 @@ int read_sysfs_string(const char *filename, const char *basedir, char *str) int ret = 0; FILE *sysfsfp; char *temp = malloc(strlen(basedir) + strlen(filename) + 2); + if (temp == NULL) { printf("Memory allocation failed"); return -ENOMEM; diff --git a/drivers/staging/iio/Documentation/lsiio.c b/drivers/staging/iio/Documentation/lsiio.c index 24ae9694eb41..98a0de098130 100644 --- a/drivers/staging/iio/Documentation/lsiio.c +++ b/drivers/staging/iio/Documentation/lsiio.c @@ -46,6 +46,7 @@ static int dump_channels(const char *dev_dir_name) { DIR *dp; const struct dirent *ent; + dp = opendir(dev_dir_name); if (dp == NULL) return -errno; @@ -62,17 +63,17 @@ static int dump_one_device(const char *dev_dir_name) { char name[IIO_MAX_NAME_LENGTH]; int dev_idx; + int retval; - sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), + retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), "%i", &dev_idx); + if (retval != 1) + return -EINVAL; read_sysfs_string("name", dev_dir_name, name); printf("Device %03d: %s\n", dev_idx, name); - if (verblevel >= VERBLEVEL_SENSORS) { - int ret = dump_channels(dev_dir_name); - if (ret) - return ret; - } + if (verblevel >= VERBLEVEL_SENSORS) + return dump_channels(dev_dir_name); return 0; } @@ -80,9 +81,12 @@ static int dump_one_trigger(const char *dev_dir_name) { char name[IIO_MAX_NAME_LENGTH]; int dev_idx; + int retval; - sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger), + retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger), "%i", &dev_idx); + if (retval != 1) + return -EINVAL; read_sysfs_string("name", dev_dir_name, name); printf("Trigger %03d: %s\n", dev_idx, name); return 0; @@ -107,6 +111,7 @@ static void dump_devices(void) while (ent = readdir(dp), ent != NULL) { if (check_prefix(ent->d_name, type_device)) { char *dev_dir_name; + asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); dump_one_device(dev_dir_name); free(dev_dir_name); @@ -118,6 +123,7 @@ static void dump_devices(void) while (ent = readdir(dp), ent != NULL) { if (check_prefix(ent->d_name, type_trigger)) { char *dev_dir_name; + asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); dump_one_trigger(dev_dir_name); free(dev_dir_name); |