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Documentation on how to convert string-coded IP adresses.

This commit is contained in:
Florian Pose 2024-05-14 19:00:53 +02:00
parent 972337444b
commit 405b8b71e1
1 changed files with 17 additions and 0 deletions
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17
include/ecrt.h
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@ -1880,6 +1880,23 @@ EC_PUBLIC_API int ecrt_slave_config_eoe_mac_address(
* This method has to be called in non-realtime context before
* ecrt_master_activate().
*
* A string-represented IPv4 address can be converted via ithe POSIX
* function `inet_pton()` (see man 3 inet_pton):
*
* \code{.c}
* #include <arpa/inet.h>
* unsigned char buf[sizeof(struct in_addr)];
* if (inet_pton(AF_INET, "192.168.0.1", buf) <= 0) {
* fprintf(stderr, "Failed to convert IP address.\n");
* return -1;
* }
* if (ecrt_slave_config_eoe_ip_address(sc, *(uint32_t *) buf)) {
* fprintf(stderr, "Failed to set IP address.\n");
* return -1;
* }
* \endcode
*
*
* \retval 0 Success.
* \retval <0 Error code.
*/