utils: Add more helpers for reading/writing iio attributes

Signed-off-by: Dan <[email protected]>

iio_utils.c

@@ -196,6 +196,36 @@ int dev_attr_read_longlong(struct iio_device *dev, const char *attr_name, long l
 		return -ENOENT;
 }
 
+int dev_debug_attr_read_raw(struct iio_device *dev, const char *attr_name, char *dst, size_t len)
+{
+	const struct iio_attr *attr = iio_device_find_debug_attr(dev, attr_name);
+
+	if (attr)
+		return iio_attr_read_raw(attr, dst, len);
+	else
+		return -ENOENT;
+}
+
+int dev_debug_attr_read_longlong(struct iio_device *dev, const char *attr_name, long long *value)
+{
+	const struct iio_attr *attr = iio_device_find_debug_attr(dev, attr_name);
+
+	if (attr)
+		return iio_attr_read_longlong(attr, value);
+	else
+		return -ENOENT;
+}
+
+int dev_attr_write_raw(struct iio_device *dev, const char *attr_name, const char *src, size_t len)
+{
+	const struct iio_attr *attr = iio_device_find_attr(dev, attr_name);
+
+	if (attr)
+		return iio_attr_write_raw(attr, src, len);
+	else
+		return -ENOENT;
+}
+
 int dev_attr_write_double(struct iio_device *dev, const char *attr_name, double value)
 {
 	const struct iio_attr *attr = iio_device_find_attr(dev, attr_name);
@@ -216,6 +246,16 @@ int dev_attr_write_longlong(struct iio_device *dev, const char *attr_name, long
 		return -ENOENT;
 }
 
+int dev_debug_attr_write_string(struct iio_device *dev, const char *attr_name, const char *value)
+{
+	const struct iio_attr *attr = iio_device_find_debug_attr(dev, attr_name);
+
+	if (attr)
+		return iio_attr_write_string(attr, value);
+	else
+		return -ENOENT;
+}
+
 int dev_debug_attr_write_longlong(struct iio_device *dev, const char *attr_name, long long value)
 {
 	const struct iio_attr *attr = iio_device_find_debug_attr(dev, attr_name);
@@ -327,6 +367,29 @@ void dev_attr_read_all(struct iio_device *dev,
 	}
 }
 
+int dev_debug_attr_read_all(struct iio_device *dev,
+    int (*cb)(struct iio_device *dev, const char *attr, const char *value, size_t len, void *d),
+    void *data)
+{
+	unsigned int i, attr_cnt = iio_device_get_debug_attrs_count(dev);
+	const struct iio_attr *attr;
+	char local_value[8192];
+	int ret;
+
+	for (i = 0; i < attr_cnt; ++i) {
+		attr = iio_device_get_debug_attr(dev, i);
+		ret = iio_attr_read_raw(attr, local_value, ARRAY_SIZE(local_value));
+		if (ret < 0) {
+			fprintf(stderr, "Failed to read attribute: %s\n", iio_attr_get_name(attr));
+			return ret;
+		} else {
+			cb(dev, iio_attr_get_name(attr), local_value, strlen(local_value), data);
+		}
+	}
+
+	return 0;
+}
+
 void chn_attr_read_all(struct iio_channel *chn,
     int (*cb)(struct iio_channel *chn, const char *attr, const char *value, size_t len, void *d),
     void *data)

iio_utils.h

@@ -30,10 +30,14 @@ bool iio_attr_not_found(struct iio_device *dev, struct iio_channel *chn, const c
 inline int dev_attr_read_raw(struct iio_device *dev, const char *attr_name, char *dst, size_t len);
 inline int dev_attr_read_double(struct iio_device *dev, const char *attr_name, double *value);
 inline int dev_attr_read_longlong(struct iio_device *dev, const char *attr_name, long long *value);
+inline int dev_debug_attr_read_raw(struct iio_device *dev, const char *attr_name, char *dst, size_t len);
+inline int dev_debug_attr_read_longlong(struct iio_device *dev, const char *attr_name, long long *value);
 
 /* Helpers to write to iio attributes of devices */
+inline int dev_attr_write_raw(struct iio_device *dev, const char *attr_name, const char *src, size_t len);
 inline int dev_attr_write_double(struct iio_device *dev, const char *attr_name, double value);
 inline int dev_attr_write_longlong(struct iio_device *dev, const char *attr_name, long long value);
+inline int dev_debug_attr_write_string(struct iio_device *dev, const char *attr_name, const char *value);
 inline int dev_debug_attr_write_longlong(struct iio_device *dev, const char *attr_name, long long value);
 
 /* Helpers to read from iio attributes of channels */
@@ -52,6 +56,9 @@ inline int chn_attr_write_longlong(struct iio_channel *chn, const char *attr_nam
 inline void dev_attr_read_all(struct iio_device *dev,
     int (*cb)(struct iio_device *dev, const char *attr, const char *value, size_t len, void *d),
     void *data);
+inline int dev_debug_attr_read_all(struct iio_device *dev,
+    int (*cb)(struct iio_device *dev, const char *attr, const char *value, size_t len, void *d),
+    void *data);
 inline void chn_attr_read_all(struct iio_channel *chn,
     int (*cb)(struct iio_channel *chn, const char *attr, const char *value, size_t len, void *d),
     void *data);