ddj@ubuntu:~/YD9X/MYD-YD9X-SDK_V1.0/source/ssdk$ pwd/home/ddj/YD9X/MYD-YD9X-SDK_V1.0/source/ssdk
~/MYD-JD9X-ubuntu/MYD-JD9X-SDK_V1.0/source/ssdk$ ./tools/menuconfig.sh -b d9360_ref -p ref -c secure

ddj@ubuntu:~/YD9X/MYD-YD9X-SDK_V1.0/source/ssdk/examples/kunlun/drivers$ ls

void send_receive_string(rpmsg_channel_t channel, const char *message) {
        int max_payload;        struct dcf_ccm_hdr *snd_pkg;        struct dcf_ccm_hdr *rcv_pkg;        status_t ret;
        max_payload = rpmsg_channel_max_payload(channel);        snd_pkg = osAlloc(max_payload);        rcv_pkg = osAlloc(max_payload);        ASSERT(snd_pkg && rcv_pkg);
        memset(snd_pkg, 0x0, max_payload);        memset(rcv_pkg, 0x0, max_payload);
        snd_pkg->dmsg.msg_type = COMM_MSG_CCM_ECHO;        snd_pkg->dmsg.opflags |= DCF_MSGF_TMS;        snd_pkg->dmsg.msg_len = sizeof(struct dcf_ccm_hdr) - sizeof(struct dcf_message);
        strncpy(snd_pkg->data, message, max_payload - sizeof(struct dcf_ccm_hdr));
        ret = rpmsg_channel_send(channel, RPMSG_ECHO_EPT_ADDR, snd_pkg, max_payload, 3000);                if (ret == RPMSG_SUCCESS) {      printf("Sent: %sn", message);                } else {                    printf("Failed to send messagen");                }
        int received_len;        ret = rpmsg_channel_recv(channel, rcv_pkg, max_payload, &received_len, 3000);                    if (ret == RPMSG_SUCCESS) {                        printf("Received: %sn", rcv_pkg->data);                    } else {                        printf("Failed to receive messagen");                    }
        osFree(snd_pkg);        osFree(rcv_pkg);}

const char* message_to_send = "Hello,rpmsg";
if (argc == 0) {        rpmsg_test_show();        goto exit;    }
    if (argc == 2) {        test_case = 0;        type = atoi(argv[0]);        rproc = atoi(argv[1]);    }  else if (!strcmp(argv[0], "ping")) {        test_case = 1;        type = atoi(argv[1]);        rproc = atoi(argv[2]);        times = atoi(argv[3]);    }    else if (!strcmp(argv[0], "iperf")) {        test_case = 2;        type = atoi(argv[1]);        rproc = atoi(argv[2]);        times = atoi(argv[3]);}//新添加的条件    else if(!strcmp(argv[0], "send")){        test_case = 3;        type = atoi(argv[1]);        rproc = atoi(argv[2]);        times = atoi(argv[3]);    }    else {        printf("Unknown cmd %sn", argv[0]);        goto exit;    }switch (test_case) {        case 0:            do_rpmsg_echo_test(channel);        break;
        case 1:            do_rpmsg_ping_test(channel, times);        break;  case 2:            do_rpmsg_iperf_test(channel, times);        break;
        case 3:            send_receive_string(channel, message_to_send);        break;
        default:            printf("Unknown case %dn", test_case);        break;    }
//加入串口打印提示(跳至rpmsg_test_show函数）printf("nTest command:n");    printf("trpmsg_test <type> <remote-proc>n");    printf("trpmsg_test ping <type> <remote-proc> <times>n");    printf("trpmsg_test iperf <type> <remote-proc> <times>n");    printf("trpmsg_test send <type> <remote-proc> <times>n");
    printf("ne.g: test ping rpmsg.virtio 10 times with secure, use command:n");    printf("trpmsg_test ping 0 1 10n");

static int echo_channel_cb(void *data, int len, unsigned long src, void *arg){    rpmsg_channel_t chan = arg;    struct dcf_ccm_hdr *ccm_pkg = data;    const char *char_data = (char *)data;    int ret = 0;
    if (ccm_pkg->dmsg.msg_type == COMM_MSG_CCM_ECHO) {        ccm_pkg->time[2] = timer_get_current_time(g_syscnt_timer) * g_sdrv_syscnt_dev.cnt_per_us;        ret = rpmsg_channel_send(chan, src, data, len, 1000);        printf("Sending data (length %d): ", len);        for (int i = 8; i < len; i++) {                printf("%c ", char_data[i]);  }        printf("n");    }    else if (ccm_pkg->dmsg.msg_type == COMM_MSG_CCM_ACK) {        ret = rpmsg_channel_send(chan, src, (char *)"ACK", 4, 1000);        ssdk_printf(SSDK_INFO,"send ACKn");    }    else {        ssdk_printf(SSDK_WARNING, "echo_channel_cb: unknown %d bytes from addr %ldn",                    len, src);    }
    if (ret != 0) {        ssdk_printf(SSDK_WARNING, "echo_channel_cb: channel send failedn");    }
    return ret;}

int send_receive_string(int fd, const char *send_str,int ntimes, int seconds) {    int i = 0, j = 0;    int size, bytes_rcvd, bytes_sent;    long elapse = 0;
    err_cnt = 0;    i_payload = (struct _payload *)malloc(sizeof(struct _payload) + payload_max_size);    r_payload = (struct _payload *)malloc(sizeof(struct _payload) + payload_max_size);
    if (i_payload == 0 || r_payload == 0) {        printf("ERROR: Failed to allocate memory for payload.n");        return -1;    }
    if (seconds)        gettimeofday(&start_test, NULL);
    i_payload->magic = 0xA5;
    for (j = 0; j < ntimes; j++) {            i_payload->num = i;            i_payload->size = size;  strcpy(i_payload->data, send_str);
            if (verbose) printf("rn sending payload number");            if (verbose) printf(" %d of size %lurn", i_payload->num,                            (sizeof(struct _payload)) + strlen(i_payload->data));
            bytes_sent = write(fd, i_payload, sizeof(struct _payload) + strlen(i_payload->data));  if (bytes_sent <= 0) {                if (verbose) {                    perror("rn Error sending datan");                    break;                } else                    fprintf(stderr, "#");
                err_cnt++;                continue;            }            printf("send string:%sn",i_payload->data);
            r_payload->num = 0;            bytes_rcvd = read(fd, r_payload,                        sizeof(struct _payload) + payload_max_size);            while (bytes_rcvd <= 0) {                usleep(10000);                bytes_rcvd = read(fd, r_payload,                            sizeof(struct _payload) + payload_max_size);    }            r_payload->data[bytes_rcvd] = '?';            printf("receive string:%sn",r_payload->data);
        if (interval)            sleep(interval);    }
        free(i_payload);        free(r_payload);
        return 0;}

R5界面>rpmsg_test send 0 3 1>Sent: 123456789Received: 123456789
>rpmsg_test send 1 3 1>Sent: 123456789Received: 123456789
A55界面root@myd-jd9x:~# [   22.223170] virtio_rpmsg_bus virtio0: virtio send susses[   34.943644] sd,rpmsg-ipcc soc:ipcc@1: ipcc send susses

A55界面root@myd-jd9x:~# echo_test -d virtio0.rpmsg-echo.-1.30 -c 1
 Echo test startupdate rpmsg-mtu=496 from kernelsend string:Hello,RPMsg!receive string:Hello,RPMsg!
R5界面>Sending data (length 20): H e l l o , R P M s g !