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ethercat
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Added missing const specifier to ecrt_read_real() / ecrt_read_lreal().

This commit is contained in:
Florian Pose 2019-01-22 13:48:40 +01:00
parent b6e377ff11
commit 030e7ecbb9
2 changed files with 4 additions and 4 deletions
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4
include/ecrt.h
View File

@ -2200,7 +2200,7 @@ void ecrt_reg_request_read(
* \param data EtherCAT data pointer
* \return EtherCAT data value
*/
float ecrt_read_real(void *data);
float ecrt_read_real(const void *data);
/** Read a 32-bit floating-point value from EtherCAT data.
*
@ -2214,7 +2214,7 @@ float ecrt_read_real(void *data);
* \param data EtherCAT data pointer
* \return EtherCAT data value
*/
double ecrt_read_lreal(void *data);
double ecrt_read_lreal(const void *data);
/** Read a 64-bit floating-point value from EtherCAT data.
*

4
lib/common.c
View File

@ -138,7 +138,7 @@ void ecrt_release_master(ec_master_t *master)
/*****************************************************************************/
float ecrt_read_real(void *data)
float ecrt_read_real(const void *data)
{
uint32_t raw = EC_READ_U32(data);
return *(float *) (const void *) &raw;
@ -146,7 +146,7 @@ float ecrt_read_real(void *data)
/*****************************************************************************/
double ecrt_read_lreal(void *data)
double ecrt_read_lreal(const void *data)
{
uint64_t raw = EC_READ_U64(data);
return *(double *) (const void *) &raw;