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use `int` as return type for ecrt_reg_request_* 

See #101
This commit is contained in:
Bjarne von Horn 2024-02-09 11:59:47 +01:00
parent e78237ed31
commit 614a309bcc
4 changed files with 24 additions and 16 deletions
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6
include/ecrt.h
View File

@ -2472,8 +2472,9 @@ ec_request_state_t ecrt_reg_request_state(
* activation).
*
* \ingroup ApplicationInterfaceRT
* \return 0 on success, otherwise negative error code.
*/
EC_PUBLIC_API void ecrt_reg_request_write(
EC_PUBLIC_API int ecrt_reg_request_write(
ec_reg_request_t *req, /**< Register request. */
uint16_t address, /**< Register address. */
size_t size /**< Size to write. */
@ -2491,8 +2492,9 @@ EC_PUBLIC_API void ecrt_reg_request_write(
* activation).
*
* \ingroup ApplicationInterfaceRT
* \return 0 on success, otherwise negative error code.
*/
EC_PUBLIC_API void ecrt_reg_request_read(
EC_PUBLIC_API int ecrt_reg_request_read(
ec_reg_request_t *req, /**< Register request. */
uint16_t address, /**< Register address. */
size_t size /**< Size to write. */

12
lib/reg_request.c
View File

@ -89,7 +89,7 @@ ec_request_state_t ecrt_reg_request_state(const ec_reg_request_t *reg)
/****************************************************************************/
void ecrt_reg_request_write(ec_reg_request_t *reg, uint16_t address,
int ecrt_reg_request_write(ec_reg_request_t *reg, uint16_t address,
size_t size)
{
ec_ioctl_reg_request_t io;
@ -103,14 +103,14 @@ void ecrt_reg_request_write(ec_reg_request_t *reg, uint16_t address,
ret = ioctl(reg->config->master->fd, EC_IOCTL_REG_REQUEST_WRITE, &io);
if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to command an register write operation: %s\n",
strerror(EC_IOCTL_ERRNO(ret)));
return -EC_IOCTL_ERRNO(ret);
}
return 0;
}
/****************************************************************************/
void ecrt_reg_request_read(ec_reg_request_t *reg, uint16_t address,
int ecrt_reg_request_read(ec_reg_request_t *reg, uint16_t address,
size_t size)
{
ec_ioctl_reg_request_t io;
@ -123,9 +123,9 @@ void ecrt_reg_request_read(ec_reg_request_t *reg, uint16_t address,
ret = ioctl(reg->config->master->fd, EC_IOCTL_REG_REQUEST_READ, &io);
if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to command an register read operation: %s\n",
strerror(EC_IOCTL_ERRNO(ret)));
return -EC_IOCTL_ERRNO(ret);
}
return 0;
}
/****************************************************************************/

16
master/ioctl.c
View File

@ -1069,7 +1069,10 @@ static ATTRIBUTES int ec_ioctl_slave_reg_read(
return ret;
}
ecrt_reg_request_read(&request, io.address, io.size);
ret = ecrt_reg_request_read(&request, io.address, io.size);
if (ret) {
return ret;
}
if (down_interruptible(&master->master_sem)) {
ec_reg_request_clear(&request);
@ -1153,7 +1156,10 @@ static ATTRIBUTES int ec_ioctl_slave_reg_write(
return -EFAULT;
}
ecrt_reg_request_write(&request, io.address, io.size);
ret = ecrt_reg_request_write(&request, io.address, io.size);
if (ret) {
return ret;
}
if (down_interruptible(&master->master_sem)) {
ec_reg_request_clear(&request);
@ -4050,8 +4056,7 @@ static ATTRIBUTES int ec_ioctl_reg_request_write(
return -EFAULT;
}
ecrt_reg_request_write(reg, io.address, io.transfer_size);
return 0;
return ecrt_reg_request_write(reg, io.address, io.transfer_size);
}
/****************************************************************************/
@ -4093,8 +4098,7 @@ static ATTRIBUTES int ec_ioctl_reg_request_read(
return -EOVERFLOW;
}
ecrt_reg_request_read(reg, io.address, io.transfer_size);
return 0;
return ecrt_reg_request_read(reg, io.address, io.transfer_size);
}
/****************************************************************************/

6
master/reg_request.c
View File

@ -89,24 +89,26 @@ ec_request_state_t ecrt_reg_request_state(const ec_reg_request_t *reg)
/****************************************************************************/
void ecrt_reg_request_write(ec_reg_request_t *reg, uint16_t address,
int ecrt_reg_request_write(ec_reg_request_t *reg, uint16_t address,
size_t size)
{
reg->dir = EC_DIR_OUTPUT;
reg->address = address;
reg->transfer_size = min(size, reg->mem_size);
reg->state = EC_INT_REQUEST_QUEUED;
return 0;
}
/****************************************************************************/
void ecrt_reg_request_read(ec_reg_request_t *reg, uint16_t address,
int ecrt_reg_request_read(ec_reg_request_t *reg, uint16_t address,
size_t size)
{
reg->dir = EC_DIR_INPUT;
reg->address = address;
reg->transfer_size = min(size, reg->mem_size);
reg->state = EC_INT_REQUEST_QUEUED;
return 0;
}
/****************************************************************************/