1
0
Fork 0
CANopenNode/301/CO_ODinterface.c

668 lines
25 KiB
C

/*
* CANopen Object Dictionary interface
*
* @file CO_ODinterface.c
* @author Janez Paternoster
* @copyright 2020 Janez Paternoster
*
* This file is part of CANopenNode, an opensource CANopen Stack.
* Project home page is <https://github.com/CANopenNode/CANopenNode>.
* For more information on CANopen see <http://www.can-cia.org/>.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#define OD_DEFINITION
#include "301/CO_ODinterface.h"
/* Read value from variable from Object Dictionary, see OD_subEntry_t *********/
static OD_size_t OD_readDirect(OD_stream_t *stream, uint8_t subIndex,
void *buf, OD_size_t count,
ODR_t *returnCode)
{
(void) subIndex;
if (stream == NULL || buf == NULL || returnCode == NULL) {
if (returnCode != NULL) *returnCode = ODR_DEV_INCOMPAT;
return 0;
}
OD_size_t n = stream->dataLength;
const char *odData = (const char *)stream->dataObject;
if (odData == NULL) {
*returnCode = ODR_SUB_NOT_EXIST;
return 0;
}
*returnCode = ODR_OK;
if (stream->dataOffset > 0 || n > count) {
/* data will be (are) read in several segments */
n -= stream->dataOffset;
odData += stream->dataOffset;
if (n > count) {
/* not enough space in destionation buffer */
n = count;
stream->dataOffset += n;
*returnCode = ODR_PARTIAL;
}
else {
stream->dataOffset = 0; /* copy finished, reset offset */
}
}
memcpy(buf, odData, n);
return n;
}
/* Write value to variable from Object Dictionary, see OD_subEntry_t **********/
static OD_size_t OD_writeDirect(OD_stream_t *stream, uint8_t subIndex,
const void *buf, OD_size_t count,
ODR_t *returnCode)
{
(void) subIndex;
if (stream == NULL || buf == NULL || returnCode == NULL) {
if (returnCode != NULL) *returnCode = ODR_DEV_INCOMPAT;
return 0;
}
OD_size_t n = stream->dataLength;
char *odData = (char *)stream->dataObject;
if (odData == NULL) {
*returnCode = ODR_SUB_NOT_EXIST;
return 0;
}
*returnCode = ODR_OK;
if (stream->dataOffset > 0 || n > count) {
/* data will be (are) written in several segments */
n -= stream->dataOffset;
odData += stream->dataOffset;
if (n > count) {
/* OD variable is larger than current ammount of data */
n = count;
stream->dataOffset += n;
*returnCode = ODR_PARTIAL;
}
else {
stream->dataOffset = 0; /* copy finished, reset offset */
}
}
memcpy(odData, buf, n);
return n;
}
/******************************************************************************/
const OD_entry_t *OD_find(const OD_t *od, uint16_t index) {
unsigned int cur;
unsigned int min = 0;
unsigned int max = od->size - 1;
if (od == NULL || od->size == 0) {
return NULL;
}
/* Fast search in ordered Object Dictionary. If indexes are mixed,
* this won't work. If Object Dictionary has up to 2^N entries, then N is
* max number of loop passes. */
while (min < max) {
/* get entry between min and max */
cur = (min + max) >> 1;
const OD_entry_t* entry = &od->list[cur];
if (index == entry->index) {
return entry;
}
else if (index < entry->index) {
max = cur;
if(max > 0) max--;
}
else {
min = cur + 1;
}
}
if (min == max) {
const OD_entry_t* entry = &od->list[min];
if (index == entry->index) {
return entry;
}
}
return NULL; /* entry does not exist in OD */
}
/******************************************************************************/
ODR_t OD_getSub(const OD_entry_t *entry, uint8_t subIndex,
OD_subEntry_t *subEntry, OD_stream_t *stream)
{
if (entry == NULL) return ODR_IDX_NOT_EXIST;
else if (subIndex > entry->maxSubIndex) return ODR_SUB_NOT_EXIST;
else if (subEntry == NULL || stream == NULL) return ODR_DEV_INCOMPAT;
const void *odObject = entry->odObject;
bool_t io_configured = false;
uint8_t odBasicType = entry->odObjectType & ODT_TYPE_MASK;
if (odObject == NULL) return ODR_DEV_INCOMPAT;
/* common properties */
subEntry->index = entry->index;
subEntry->subIndex = subIndex;
subEntry->maxSubIndex = entry->maxSubIndex;
subEntry->storageGroup = entry->storageGroup;
stream->dataOffset = 0;
/* Object type is extended */
if ((entry->odObjectType & ODT_EXTENSION_MASK) != 0) {
const OD_obj_extended_t *odoe = (const OD_obj_extended_t *)odObject;
if (odoe->extIO != NULL && odoe->extIO->object != NULL) {
subEntry->read = odoe->extIO->read;
subEntry->write = odoe->extIO->write;
stream->dataObject = odoe->extIO->object;
io_configured = true;
}
subEntry->flagsPDO = odoe->flagsPDO;
odObject = odoe->odObjectOriginal;
if (odObject == NULL) return ODR_DEV_INCOMPAT;
}
else {
subEntry->flagsPDO = NULL;
}
if (!io_configured) {
subEntry->read = OD_readDirect;
subEntry->write = OD_writeDirect;
}
if (odBasicType == ODT_VAR) {
const OD_obj_var_t *odo = (const OD_obj_var_t *)odObject;
subEntry->lowLimit = 1;
subEntry->highLimit = 0;
subEntry->attribute = odo->attribute;
if (!io_configured) stream->dataObject = odo->data;
stream->dataLength = odo->dataLength;
}
else if (odBasicType == ODT_VARL) {
const OD_obj_varLimits_t *odo = (const OD_obj_varLimits_t *)odObject;
subEntry->lowLimit = odo->limit.low;
subEntry->highLimit = odo->limit.high;
subEntry->attribute = odo->attribute;
if (!io_configured) stream->dataObject = odo->data;
stream->dataLength = odo->dataLength;
}
else if (odBasicType == ODT_ARR) {
const OD_obj_array_t *odo = (const OD_obj_array_t *)odObject;
subEntry->lowLimit = 1;
subEntry->highLimit = 0;
if (subIndex == 0) {
subEntry->attribute = odo->attribute0;
if (!io_configured) stream->dataObject = odo->data0;
stream->dataLength = 1;
}
else {
char *data = (char *)odo->data;
subEntry->attribute = odo->attribute;
if (!io_configured) {
int i = subIndex - 1;
if (data == NULL) return ODR_DEV_INCOMPAT;
stream->dataObject = data + odo->dataElementSizeof * i;
}
stream->dataLength = odo->dataElementLength;
}
}
else if (odBasicType == ODT_ARRL) {
const OD_obj_arrayLimAttr_t *odo =
(const OD_obj_arrayLimAttr_t *)odObject;
if (subIndex == 0) {
subEntry->lowLimit = 1;
subEntry->highLimit = 0;
subEntry->attribute = odo->attribute0;
if (!io_configured) stream->dataObject = odo->data0;
stream->dataLength = 1;
}
else {
char *data = (char *)odo->data;
int i = subIndex - 1;
if (odo->limits == NULL || odo->attributes == NULL)
return ODR_DEV_INCOMPAT;
subEntry->lowLimit = odo->limits[i].low;
subEntry->highLimit = odo->limits[i].high;
subEntry->attribute = odo->attributes[i];
if (!io_configured) {
if (data == NULL) return ODR_DEV_INCOMPAT;
stream->dataObject = data + odo->dataElementSizeof * i;
}
stream->dataLength = odo->dataElementLength;
}
}
else if (odBasicType == ODT_REC) {
const OD_obj_var_t *odo_rec = (const OD_obj_var_t *)odObject;
const OD_obj_var_t *odo = &odo_rec[subIndex];
subEntry->lowLimit = 1;
subEntry->highLimit = 0;
subEntry->attribute = odo->attribute;
if (!io_configured) stream->dataObject = odo->data;
stream->dataLength = odo->dataLength;
}
else if (odBasicType == ODT_RECL) {
const OD_obj_varLimits_t *odo_rec = (const OD_obj_varLimits_t*)odObject;
const OD_obj_varLimits_t *odo = &odo_rec[subIndex];
subEntry->lowLimit = odo->limit.low;
subEntry->highLimit = odo->limit.high;
subEntry->attribute = odo->attribute;
if (!io_configured) stream->dataObject = odo->data;
stream->dataLength = odo->dataLength;
}
else {
return ODR_DEV_INCOMPAT;
}
return ODR_OK;
}
/******************************************************************************/
uint32_t OD_getSDOabortCode(ODR_t returnCode) {
static const uint32_t abortCodes[ODR_COUNT] = {
0x00000000UL, /* No abort */
0x05040005UL, /* Out of memory */
0x06010000UL, /* Unsupported access to an object */
0x06010001UL, /* Attempt to read a write only object */
0x06010002UL, /* Attempt to write a read only object */
0x06020000UL, /* Object does not exist in the object dictionary */
0x06040041UL, /* Object cannot be mapped to the PDO */
0x06040042UL, /* Num and len of object to be mapped exceeds PDO len */
0x06040043UL, /* General parameter incompatibility reasons */
0x06040047UL, /* General internal incompatibility in device */
0x06060000UL, /* Access failed due to hardware error */
0x06070010UL, /* Data type does not match, length does not match */
0x06070012UL, /* Data type does not match, length too high */
0x06070013UL, /* Data type does not match, length too short */
0x06090011UL, /* Sub index does not exist */
0x06090030UL, /* Invalid value for parameter (download only). */
0x06090031UL, /* Value range of parameter written too high */
0x06090032UL, /* Value range of parameter written too low */
0x06090036UL, /* Maximum value is less than minimum value. */
0x060A0023UL, /* Resource not available: SDO connection */
0x08000000UL, /* General error */
0x08000020UL, /* Data cannot be transferred or stored to application */
0x08000021UL, /* Data cannot be transf. because of local control */
0x08000022UL, /* Data cannot be tran. because of present device state */
0x08000023UL, /* Object dict. not present or dynamic generation fails */
0x08000024UL /* No data available */
};
return (returnCode < 0 || returnCode >= ODR_COUNT) ?
abortCodes[ODR_DEV_INCOMPAT] : abortCodes[returnCode];
}
/******************************************************************************/
bool_t OD_extensionIO_init(const OD_entry_t *entry,
void *object,
OD_size_t (*read)(OD_stream_t *stream,
uint8_t subIndex,
void *buf,
OD_size_t count,
ODR_t *returnCode),
OD_size_t (*write)(OD_stream_t *stream,
uint8_t subIndex,
const void *buf,
OD_size_t count,
ODR_t *returnCode))
{
if (entry == NULL || (entry->odObjectType & ODT_EXTENSION_MASK) == 0) {
return false;
}
const OD_obj_extended_t *odo = (const OD_obj_extended_t *) entry->odObject;
odo->extIO->object = object;
odo->extIO->read = read;
odo->extIO->write = write;
return true;
}
/******************************************************************************/
void OD_updateStorageGroup(OD_t *od, uint8_t storageGroup) {
if (od == NULL) return;
int i;
for (i = 0; i < od->size; i++) {
const OD_entry_t *entry = &od->list[i];
const OD_obj_extended_t *odoe;
uint8_t subIndex;
uint8_t odBasicType;
const void *orig;
/* skip non-matched storage group and non-extended OD objects */
if (entry->storageGroup != storageGroup
|| (entry->odObjectType & ODT_EXTENSION_MASK) != 0)
continue;
/* skip if extIO read or original object is not specified */
odoe = (const OD_obj_extended_t *)entry->odObject;
orig = odoe->odObjectOriginal;
if (odoe->extIO == NULL || orig == NULL
|| odoe->extIO->object == NULL || odoe->extIO->read == NULL)
continue;
/* update each sub-index separately */
odBasicType = entry->odObjectType & ODT_TYPE_MASK;
for (subIndex = 0; subIndex < entry->maxSubIndex; subIndex++) {
OD_attr_t attr;
void *dataObject = NULL;
OD_size_t dataLength, dataReadTotal;
if (odBasicType == ODT_VAR) {
const OD_obj_var_t *odo = (const OD_obj_var_t *)orig;
attr = odo->attribute;
dataObject = odo->data;
dataLength = odo->dataLength;
}
else if (odBasicType == ODT_VARL) {
const OD_obj_varLimits_t *odo = (const OD_obj_varLimits_t*)orig;
attr = odo->attribute;
dataObject = odo->data;
dataLength = odo->dataLength;
}
else if (odBasicType == ODT_ARR) {
const OD_obj_array_t *odo = (const OD_obj_array_t *)orig;
if (subIndex == 0) {
attr = odo->attribute0;
dataObject = odo->data0;
dataLength = 1;
}
else {
char *data = (char *)odo->data;
if (data != NULL) {
int i = subIndex - 1;
attr = odo->attribute;
dataObject = data + odo->dataElementSizeof * i;
dataLength = odo->dataElementLength;
}
}
}
else if (odBasicType == ODT_ARRL) {
const OD_obj_arrayLimAttr_t *odo =
(const OD_obj_arrayLimAttr_t *)orig;
if (subIndex == 0) {
attr = odo->attribute0;
dataObject = odo->data0;
dataLength = 1;
}
else {
char *data = (char *)odo->data;
if (data != NULL && odo->attributes != NULL) {
int i = subIndex - 1;
attr = odo->attributes[i];
dataObject = data + odo->dataElementSizeof * i;
dataLength = odo->dataElementLength;
}
}
}
else if (odBasicType == ODT_REC) {
const OD_obj_var_t *odo_rec = (const OD_obj_var_t *)orig;
const OD_obj_var_t *odo = &odo_rec[subIndex];
attr = odo->attribute;
dataObject = odo->data;
dataLength = odo->dataLength;
}
else if (odBasicType == ODT_RECL) {
const OD_obj_varLimits_t *odo_rec
= (const OD_obj_varLimits_t*)orig;
const OD_obj_varLimits_t *odo = &odo_rec[subIndex];
attr = odo->attribute;
dataObject = odo->data;
dataLength = odo->dataLength;
}
if (dataObject == NULL || (attr&ODA_NOINIT) != 0 || dataLength == 0)
continue;
/* copy data to group structure, several times if data is large */
dataReadTotal = 0;
do {
char buf[32];
ODR_t returnCode;
char *dest = (char *)dataObject + dataReadTotal;
OD_size_t dataRead = odoe->extIO->read(odoe->extIO->object,
subIndex,
buf, sizeof(buf),
&returnCode);
dataReadTotal += dataRead;
if (dataRead == 0 || dataReadTotal > dataLength) break;
memcpy(dest, buf, dataRead);
} while (dataReadTotal == dataLength);
} /* for (subIndex) */
} /* for (entry) */
}
/******************************************************************************/
ODR_t OD_get_i8(const OD_entry_t *entry, uint16_t subIndex, int8_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_i16(const OD_entry_t *entry, uint16_t subIndex, int16_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_i32(const OD_entry_t *entry, uint16_t subIndex, int32_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_i64(const OD_entry_t *entry, uint16_t subIndex, int64_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_u8(const OD_entry_t *entry, uint16_t subIndex, uint8_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_u16(const OD_entry_t *entry, uint16_t subIndex, uint16_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_u32(const OD_entry_t *entry, uint16_t subIndex, uint32_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_u64(const OD_entry_t *entry, uint16_t subIndex, uint64_t *val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_r32(const OD_entry_t *entry, uint16_t subIndex, float32_t *val){
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
ODR_t OD_get_r64(const OD_entry_t *entry, uint16_t subIndex, float64_t *val){
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(*val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.read(&st, subIndex, val, sizeof(*val), &ret);
return ret;
}
/******************************************************************************/
ODR_t OD_set_i8(const OD_entry_t *entry, uint16_t subIndex, int8_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) ret = OD_checkLimits(&subEntry, val);
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_i16(const OD_entry_t *entry, uint16_t subIndex, int16_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) ret = OD_checkLimits(&subEntry, val);
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_i32(const OD_entry_t *entry, uint16_t subIndex, int32_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) ret = OD_checkLimits(&subEntry, val);
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_i64(const OD_entry_t *entry, uint16_t subIndex, int64_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_u8(const OD_entry_t *entry, uint16_t subIndex, uint8_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) ret = OD_checkLimits(&subEntry, val);
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_u16(const OD_entry_t *entry, uint16_t subIndex, uint16_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) ret = OD_checkLimits(&subEntry, val);
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_u32(const OD_entry_t *entry, uint16_t subIndex, uint32_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
uint32_t lowLimit = (uint32_t)subEntry.lowLimit;
uint32_t highLimit = (uint32_t)subEntry.highLimit;
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK && lowLimit <= highLimit) {
if (val > highLimit) ret = ODR_VALUE_HIGH;
else if (val < lowLimit) ret = ODR_VALUE_LOW;
}
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_u64(const OD_entry_t *entry, uint16_t subIndex, uint64_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_r32(const OD_entry_t *entry, uint16_t subIndex, float32_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}
ODR_t OD_set_r64(const OD_entry_t *entry, uint16_t subIndex, float64_t val) {
OD_subEntry_t subEntry; OD_stream_t st;
ODR_t ret = OD_getSub(entry, subIndex, &subEntry, &st);
if (ret == ODR_OK && st.dataLength != sizeof(val)) ret = ODR_TYPE_MISMATCH;
if (ret == ODR_OK) subEntry.write(&st, subIndex, &val, sizeof(val), &ret);
return ret;
}