port10-client.c

/*
 * You need pty setup: socat -d -d pty,raw,echo=0,link=/tmp/pty1 pty,raw,echo=0,link=/tmp/pty2
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>

#include <pthread.h>

#include <csp/csp.h>
#include <csp/drivers/usart.h>

#define SERVER_ADDR 1
#define SERVER_PORT 10
#define CLIENT_ADDR 2

bool done = false;

void *do_route(void *arg)
{
    while (!done) {
        csp_route_work();
    }
}

csp_usart_conf_t conf = {
    .device = "/tmp/pty2",
    .baudrate = 115200,
    .databits = 8,
    .stopbits = 1,
    .paritysetting = 0,
};

int main(int argc, char * argv[])
{
    csp_iface_t * iface;
    csp_conn_t * conn;
    csp_packet_t * packet;
    csp_packet_t * reply;
    pthread_t router_thread;
    int ret;

    csp_init();

    ret = csp_usart_open_and_add_kiss_interface(&conf, CSP_IF_KISS_DEFAULT_NAME,  &iface);
    if (ret != CSP_ERR_NONE) {
        csp_print("open failed\n");
        exit(1);
    }
    iface->addr = CLIENT_ADDR;
    iface->is_default = 1;

    csp_conn_print_table();
    csp_iflist_print();

    ret = pthread_create(&router_thread, NULL, do_route, NULL);
    if (ret != 0) {
        printf("pthread failed\n");
        exit(1);
    }

    packet = csp_buffer_get(0);
    sprintf(packet->data, "Hi Server", 10);
    packet->length = 10;

    conn = csp_connect(CSP_PRIO_NORM, SERVER_ADDR, SERVER_PORT, 0, CSP_O_NONE);
    printf("Packet port: %d\n", csp_conn_dport(conn));

    csp_send(conn, packet);
    reply = csp_read(conn, CSP_MAX_TIMEOUT);
    printf("Packet received on CLIENT_PORT: %s\n", (char *)reply->data);
    csp_close(conn);

    return 0;
}