Ejemplo n.º 1
0
static inline void cdc_acmd_read_complete(USBD* usbd, CDC_ACMD* cdc_acmd)
{
    if (cdc_acmd->suspended)
        return;

    unsigned int to_read;
    if (cdc_acmd->rx_free < cdc_acmd->rx->data_size)
        cdc_acmd->rx_free = stream_get_free(cdc_acmd->rx_stream);
    to_read = cdc_acmd->rx->data_size;
    if (to_read > cdc_acmd->rx_free)
        to_read = cdc_acmd->rx_free;
    if (to_read < cdc_acmd->rx->data_size)
        cdc_acmd_notify_serial_state(usbd, cdc_acmd, CDC_SERIAL_STATE_DCD | CDC_SERIAL_STATE_DSR | CDC_SERIAL_STATE_OVERRUN);
#if (USBD_CDC_ACM_DEBUG_FLOW)
    int i;
    printf("USB CDC ACM: rx ");
    for (i = 0; i < cdc_acmd->rx->data_size; ++i)
        if (((uint8_t*)io_data(cdc_acmd->rx))[i] >= ' ' && ((uint8_t*)io_data(cdc_acmd->rx))[i] <= '~')
            printf("%c", ((char*)io_data(cdc_acmd->rx))[i]);
        else
            printf("\\x%d", ((uint8_t*)io_data(cdc_acmd->rx))[i]);
    printf("\n");
#endif //USBD_CDC_ACM_DEBUG_FLOW
    if (to_read && stream_write(cdc_acmd->rx_stream_handle, io_data(cdc_acmd->rx), to_read))
        cdc_acmd->rx_free -= to_read;
    usbd_usb_ep_read(usbd, cdc_acmd->data_ep, cdc_acmd->rx, cdc_acmd->data_ep_size);
}
Ejemplo n.º 2
0
static inline void udps_read(TCPIPS* tcpips, HANDLE handle, IO* io)
{
    IO* cur;
    UDP_HANDLE* uh;
    uh = so_get(&tcpips->udps.handles, handle);
    if (uh == NULL)
        return;
#if (ICMP)
    if (uh->err != ERROR_OK)
    {
        error(uh->err);
        return;
    }
#endif //ICMP
    io->data_size = 0;
    *((IO**)io_data(io)) = NULL;
    //add to head
    if (uh->head == NULL)
        uh->head = io;
    //add to end
    else
    {
        for (cur = uh->head; *((IO**)io_data(cur)) != NULL; cur = *((IO**)io_data(cur))) {}
        *((IO**)io_data(cur)) = io;
    }
    error(ERROR_SYNC);
}
Ejemplo n.º 3
0
static void icmps_tx(TCPIPS* tcpips, IO* io, const IP* dst)
{
    ICMP_HEADER* icmp = io_data(io);
    short2be(icmp->checksum_be, 0);
    short2be(icmp->checksum_be, ip_checksum(io_data(io), io->data_size));
    ips_tx(tcpips, io, dst);
}
Ejemplo n.º 4
0
static void udps_send_user(TCPIPS* tcpips, IP* src, IO* io, HANDLE handle)
{
    IO* user_io;
    unsigned int offset, size;
    UDP_STACK* udp_stack;
    UDP_HANDLE* uh;
    UDP_HEADER* hdr = io_data(io);

    uh = so_get(&tcpips->udps.handles, handle);
    for (offset = sizeof(UDP_HEADER); uh->head && offset < io->data_size; offset += size)
    {
        user_io = udps_peek_head(tcpips, uh);
        udp_stack = io_push(user_io, sizeof(UDP_STACK));
        udp_stack->remote_addr.u32.ip = src->u32.ip;
        udp_stack->remote_port = be2short(hdr->src_port_be);

        size = io_get_free(user_io);
        if (size > io->data_size - offset)
            size = io->data_size - offset;
        memcpy(io_data(user_io), (uint8_t*)io_data(io) + offset, size);
        user_io->data_size = size;
        io_complete(uh->process, HAL_IO_CMD(HAL_UDP, IPC_READ), handle, user_io);
    }
#if (UDP_DEBUG)
    if (offset < io->data_size)
        printf("UDP: %d byte(s) dropped\n", io->data_size - offset);
#endif //UDP_DEBUG
}
Ejemplo n.º 5
0
static inline void udps_write(TCPIPS* tcpips, HANDLE handle, IO* io)
{
    IO* cur;
    unsigned int offset, size;
    unsigned short remote_port;
    IP dst;
    UDP_STACK* udp_stack;
    UDP_HEADER* udp;
    UDP_HANDLE* uh = so_get(&tcpips->udps.handles, handle);
    if (uh == NULL)
        return;
#if (ICMP)
    if (uh->err != ERROR_OK)
    {
        error(uh->err);
        return;
    }
#endif //ICMP
    //listening socket
    if (uh->remote_port == 0)
    {
        if (io->stack_size < sizeof(UDP_STACK))
        {
            error(ERROR_INVALID_PARAMS);
            return;
        }
        udp_stack = io_stack(io);
        remote_port = udp_stack->remote_port;
        dst.u32.ip = udp_stack->remote_addr.u32.ip;
        io_pop(io, sizeof(UDP_STACK));
    }
    else
    {
        remote_port = uh->remote_port;
        dst.u32.ip = uh->remote_addr.u32.ip;
    }

    for (offset = 0; offset < io->data_size; offset += size)
    {
        size = UDP_FRAME_MAX_DATA_SIZE;
        if (size > io->data_size - offset)
            size = io->data_size - offset;
        cur = ips_allocate_io(tcpips, size + sizeof(UDP_HEADER), PROTO_UDP);
        if (cur == NULL)
            return;
        //copy data
        memcpy((uint8_t*)io_data(cur) + sizeof(UDP_HEADER), (uint8_t*)io_data(io) + offset, size);
        udp = io_data(cur);
// correct size
        cur->data_size = size + sizeof(UDP_HEADER);
        //format header
        short2be(udp->src_port_be, uh->local_port);
        short2be(udp->dst_port_be, remote_port);
        short2be(udp->len_be, size + sizeof(UDP_HEADER));
        short2be(udp->checksum_be, 0);
        short2be(udp->checksum_be, udp_checksum(io_data(cur), cur->data_size, &tcpips->ips.ip, &dst));
        ips_tx(tcpips, cur, &dst);
    }
}
Ejemplo n.º 6
0
static void icmps_control_prepare(TCPIPS* tcpips, uint8_t cmd, uint8_t code, IO* original)
{
    IP_STACK* ip_stack;
    ip_stack = io_stack(original);
    //cmd
    ((uint8_t*)io_data(original))[0] = cmd;
    //code
    ((uint8_t*)io_data(original))[1] = code;
    //generally unused
    *(uint32_t*)(((uint8_t*)io_data(original)) + 4) = 0;
    //64 bits + original IP header
    memmove(((uint8_t*)io_data(original)) + sizeof(ICMP_HEADER), ((uint8_t*)io_data(original)) - ip_stack->hdr_size, ip_stack->hdr_size + 8);
}
Ejemplo n.º 7
0
static void loras_open(LORA* lora, HANDLE process, IO* io_config)
{
    LORA_CONFIG* config = &lora->config;
    if (!(io_config && process != INVALID_HANDLE))
    {
        error(ERROR_INVALID_PARAMS);
        return;
    }
    lora->process = process;
    memcpy(config, io_data(io_config), sizeof(LORA_CONFIG));

    if (!loras_spi_open(lora))
    {
        error(ERROR_INVALID_PARAMS);
        return;
    }

    loras_clear_vars(lora);

    if (!loras_hw_open(lora))
    {
        error(ERROR_INVALID_PARAMS);
        return;
    }
    lora->opened = true;

#if (LORA_DEBUG)
    printf("[loras] [info] open completed\n");
#endif
}
Ejemplo n.º 8
0
static inline int set_line_coding(USBD* usbd, CDC_ACMD* cdc_acmd, IO* io)
{
    LINE_CODING_STRUCT* lc = io_data(io);
    cdc_acmd->baud.baud = lc->dwDTERate;
    if (lc->bCharFormat >= LC_BAUD_STOP_BITS_SIZE)
        return -1;
    cdc_acmd->baud.stop_bits = LC_BAUD_STOP_BITS[lc->bCharFormat];
    if (lc->bParityType >= LC_BAUD_PARITY_SIZE)
        return -1;
    cdc_acmd->baud.parity = LC_BAUD_PARITY[lc->bParityType];
    cdc_acmd->baud.data_bits = lc->bDataBits;

#if (USBD_CDC_ACM_FLOW_CONTROL)
    if (cdc_acmd->flow_sending || cdc_acmd->break_count)
        cdc_acmd->flow_changed = true;
    else
    {
        usbd_post_user(usbd, cdc_acmd->data_iface, 0, HAL_REQ(HAL_USBD_IFACE, USB_CDC_ACM_BAUDRATE_REQUEST), cdc_acmd->baud.baud,
                       (cdc_acmd->baud.data_bits << 16) | (cdc_acmd->baud.parity << 8) | cdc_acmd->baud.stop_bits);
        cdc_acmd->flow_sending = true;
    }
#endif //USBD_CDC_ACM_FLOW_CONTROL
#if (USBD_CDC_ACM_DEBUG)
    printf("USB CDC ACM: set line coding %d %d%c%d\n", cdc_acmd->baud.baud, cdc_acmd->baud.data_bits, cdc_acmd->baud.parity, cdc_acmd->baud.stop_bits);
#endif
    return 0;
}
Ejemplo n.º 9
0
void cdc_acmd_write(USBD* usbd, CDC_ACMD* cdc_acmd)
{
    if (!cdc_acmd->DTR || !cdc_acmd->tx_idle || cdc_acmd->suspended)
        return;

    unsigned int to_write;
    if (cdc_acmd->tx_size == 0)
        cdc_acmd->tx_size = stream_get_size(cdc_acmd->tx_stream);

    to_write = cdc_acmd->tx_size;
    if (to_write > cdc_acmd->data_ep_size)
        to_write = cdc_acmd->data_ep_size;
    if (to_write)
    {
        cdc_acmd->tx_size -= to_write;
        if (stream_read(cdc_acmd->tx_stream_handle, io_data(cdc_acmd->tx), to_write))
        {
            cdc_acmd->tx_idle = false;
            cdc_acmd->tx->data_size = to_write;
            usbd_usb_ep_write(usbd, cdc_acmd->data_ep, cdc_acmd->tx);
        }
        //just in case of driver failure
        else
            stream_listen(cdc_acmd->tx_stream, USBD_IFACE(cdc_acmd->data_iface, 0), HAL_USBD_IFACE);
    }
    else
        stream_listen(cdc_acmd->tx_stream, USBD_IFACE(cdc_acmd->data_iface, 0), HAL_USBD_IFACE);
}
Ejemplo n.º 10
0
static void icmps_rx_error_process(TCPIPS* tcpips, IO* io, ICMP_ERROR code)
{
    //hide ICMP header for protocol-depending processing
    IP_HEADER* hdr;
    IP dst;
    unsigned int hdr_size;
    hdr = io_data(io);
    hdr_size = (hdr->ver_ihl & 0xf) << 2;
    io->data_offset += hdr_size;
    io->data_size -= hdr_size;
    if (hdr->src.u32.ip == tcpips->ips.ip.u32.ip)
    {
        dst.u32.ip = hdr->dst.u32.ip;
        switch (hdr->proto)
        {
        case PROTO_ICMP:
            icmps_error_process(tcpips, code);
            break;
#if (UDP)
        case PROTO_UDP:
            udps_icmps_error_process(tcpips, io, code, &dst);
            break;
#endif //UDP
        case PROTO_TCP:
            tcps_icmps_error_process(tcpips, io, code, &dst);
        default:
            break;
        }
    }
    //restore IP header
    io->data_offset -= hdr_size;
    io->data_size += hdr_size;
}
Ejemplo n.º 11
0
static inline void lpc_sdmmc_verify(CORE* core)
{
    SHA1_CTX sha1;
    uint8_t hash_in[SHA1_BLOCK_SIZE];
    if ((core->sdmmc.state != SDMMC_STATE_VERIFY) && (core->sdmmc.state != SDMMC_STATE_WRITE_VERIFY))
        return;
    sha1_init(&sha1);
    sha1_update(&sha1, io_data(core->sdmmc.io), core->sdmmc.total);
    sha1_final(&sha1, core->sdmmc.state == SDMMC_STATE_VERIFY ? hash_in : core->sdmmc.hash);

    if (core->sdmmc.state == SDMMC_STATE_WRITE_VERIFY)
    {
        core->sdmmc.state = SDMMC_STATE_VERIFY;
        lpc_sdmmc_prepare_descriptors(core);
        if (sdmmcs_read(&core->sdmmc.sdmmcs, core->sdmmc.sector, core->sdmmc.total / core->sdmmc.sdmmcs.sector_size))
            return;
    }
    else
    {
        if (memcmp(core->sdmmc.hash, hash_in, SHA1_BLOCK_SIZE) == 0)
        {
            io_complete(core->sdmmc.process, HAL_IO_CMD(HAL_SDMMC, IPC_WRITE), core->sdmmc.user, core->sdmmc.io);
            core->sdmmc.io = NULL;
            core->sdmmc.process = INVALID_HANDLE;
            core->sdmmc.state = SDMMC_STATE_IDLE;
            return;
        }
    }
    io_complete_ex(core->sdmmc.process, HAL_IO_CMD(HAL_SDMMC, IPC_WRITE), core->sdmmc.user, core->sdmmc.io, get_last_error());
    core->sdmmc.io = NULL;
    core->sdmmc.process = INVALID_HANDLE;
    core->sdmmc.state = SDMMC_STATE_IDLE;
}
Ejemplo n.º 12
0
static inline int hidd_kbd_get_report(HIDD_KBD* hidd, unsigned int type, IO* io)
{
    int res = -1;
    uint8_t* report = io_data(io);
    switch (type)
    {
    case HID_REPORT_TYPE_INPUT:
#if (USBD_HID_DEBUG_REQUESTS)
        printf("HIDD KBD: get INPUT report\n");
#endif
        report[0] = hidd->kbd.modifier;
        report[1] = 0;
        memcpy(report + 2, &hidd->kbd.keys, 6);
        res = 8;
        break;
    case HID_REPORT_TYPE_OUTPUT:
#if (USBD_HID_DEBUG_REQUESTS)
        printf("HIDD KBD: get OUTPUT report\n");
#endif
        report[0] = hidd->kbd.leds;
        res = 1;
        break;
    }
    return res;
}
Ejemplo n.º 13
0
static IO* udps_peek_head(TCPIPS* tcpips, UDP_HANDLE* uh)
{
    IO* io = uh->head;
    if (io)
        uh->head = *((IO**)io_data(uh->head));
    return io;
}
Ejemplo n.º 14
0
static inline void icmps_rx_echo_reply(TCPIPS* tcpips, IO* io, IP* src)
{
    ICMP_HEADER_ID_SEQ* icmp = io_data(io);
#if (ICMP_DEBUG)
    printf("ICMP: ECHO REPLY from ");
    ip_print(src);
    printf("\n");
#endif
    //compare src, sequence, id and data. Maybe asynchronous response from failed request
    if ((tcpips->icmps.echo_ip.u32.ip != src->u32.ip) || (tcpips->icmps.id != be2short(icmp->id_be)) || (tcpips->icmps.seq != be2short(icmp->seq_be)))
    {
        ips_release_io(tcpips, io);
        return;
    }
    icmps_echo_complete(tcpips, (memcmp(((uint8_t*)io_data(io)) + sizeof(ICMP_HEADER), __ICMP_DATA_MAGIC, ICMP_DATA_MAGIC_SIZE)) ? ERROR_CRC : ERROR_OK);
}
Ejemplo n.º 15
0
static inline void icmps_tx_echo(TCPIPS* tcpips)
{
    ICMP_HEADER_ID_SEQ* icmp;
    IO* io = ips_allocate_io(tcpips, ICMP_DATA_MAGIC_SIZE + sizeof(ICMP_HEADER), PROTO_ICMP);
    if (io == NULL)
        icmps_echo_complete(tcpips, get_last_error());
    icmp = io_data(io);
    icmp->type = ICMP_CMD_ECHO;
    icmp->code = 0;
    short2be(icmp->id_be, tcpips->icmps.id);
    short2be(icmp->seq_be, tcpips->icmps.seq);
    memcpy(((uint8_t*)io_data(io)) + sizeof(ICMP_HEADER), __ICMP_DATA_MAGIC, ICMP_DATA_MAGIC_SIZE);
    tcpips->icmps.ttl = tcpips->seconds + ICMP_ECHO_TIMEOUT;

    io->data_size = ICMP_DATA_MAGIC_SIZE + sizeof(ICMP_HEADER);
    icmps_tx(tcpips, io, &tcpips->icmps.echo_ip);
}
Ejemplo n.º 16
0
void* vfss_read_sectors(VFSS_TYPE* vfss, unsigned long sector, unsigned size)
{
    bool res;
    //cache read
    if ((sector == vfss->current_sector) && (vfss->io->data_size == size))
        return io_data(vfss->io);
#if (VFS_BER)
    if (vfss->volume.sector_mode == SECTOR_MODE_BER)
        res = ber_read_sectors(vfss, sector, size);
    else
#endif //VFS_BER
        res = storage_read_sync(vfss->volume.hal, vfss->volume.process, vfss->volume.user, vfss->io, sector + vfss->volume.first_sector, size);
    if (!res)
        return NULL;
    vfss->current_sector = sector;
    return io_data(vfss->io);
}
Ejemplo n.º 17
0
void icmps_rx(TCPIPS* tcpips, IO *io, IP* src)
{
    ICMP_HEADER* icmp = io_data(io);
    //drop broken ICMP without control, because ICMP is control protocol itself
    if (io->data_size < sizeof(ICMP_HEADER))
    {
        ips_release_io(tcpips, io);
        return;
    }
    if (ip_checksum(io_data(io), io->data_size))
    {
        ips_release_io(tcpips, io);
        return;
    }

    switch (icmp->type)
    {
    case ICMP_CMD_ECHO_REPLY:
        icmps_rx_echo_reply(tcpips, io, src);
        break;
#if (ICMP_ECHO)
    case ICMP_CMD_ECHO:
        icmps_rx_echo(tcpips, io, src);
        break;
#endif
    case ICMP_CMD_DESTINATION_UNREACHABLE:
        icmps_rx_destination_unreachable(tcpips, io);
        break;
    case ICMP_CMD_TIME_EXCEEDED:
        icmps_rx_time_exceeded(tcpips, io);
        break;
    case ICMP_CMD_PARAMETER_PROBLEM:
        icmps_rx_parameter_problem(tcpips, io);
        break;
    default:
#if (ICMP_DEBUG)
        printf("ICMP: unhandled type %d from ", icmp->type);
        ip_print(src);
        printf("\n");
#endif
        ips_release_io(tcpips, io);
        break;

    }
}
Ejemplo n.º 18
0
static inline int hidd_kbd_get_protocol(HIDD_KBD* hidd, IO* io)
{
    uint8_t* report = io_data(io);
#if (USBD_HID_DEBUG_REQUESTS)
    printf("HIDD KBD: get protocol\n");
#endif
    report[0] = hidd->boot_protocol;
    return 1;
}
Ejemplo n.º 19
0
static inline int mscd_get_max_lun(USBD* usbd, MSCD* mscd, IO* io)
{
    *((uint8_t*)io_data(io)) = mscd->lun_count - 1;
    io->data_size = sizeof(uint8_t);
#if (USBD_MSC_DEBUG_REQUESTS)
    printf("MSCD: Get Max Lun - %d\n", mscd->lun_count - 1);
#endif //USBD_MSC_DEBUG_REQUESTS
    return sizeof(uint8_t);
}
Ejemplo n.º 20
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static inline int hidd_kbd_get_idle(HIDD_KBD* hidd, IO* io)
{
    uint8_t* report = io_data(io);
#if (USBD_HID_DEBUG_REQUESTS)
    printf("HIDD KBD: get idle\n");
#endif
    report[0] = hidd->idle;
    return 1;
}
Ejemplo n.º 21
0
static void udps_replay(TCPIPS* tcpips, IO* io, const IP* src)
{
    UDP_HEADER* udp;
    IP dst;
    uint16_t src_port;
    dst.u32.ip = src->u32.ip;
    io_unhide(io, sizeof(UDP_HEADER));
    udp = io_data(io);
    //format header
    src_port = be2short(udp->dst_port_be);
    udp->dst_port_be[0] = udp->src_port_be[0];
    udp->dst_port_be[1] = udp->src_port_be[1];
    short2be(udp->src_port_be, src_port);

    short2be(udp->len_be, io->data_size);
    short2be(udp->checksum_be, 0);
    short2be(udp->checksum_be, udp_checksum(io_data(io), io->data_size, &tcpips->ips.ip, &dst));
    ips_tx(tcpips, io, &dst);
}
Ejemplo n.º 22
0
void rndis_set_vendor_description(HANDLE usbd, unsigned int iface, const char* vendor)
{
    IO* io;
    unsigned int size = strlen(vendor) + 1;
    io = io_create(size);
    strcpy(io_data(io), vendor);
    io->data_size = size;
    io_write_sync(usbd, HAL_IO_REQ(HAL_USBD_IFACE, RNDIS_SET_VENDOR_DESCRIPTION), iface, io);
    io_destroy(io);
}
Ejemplo n.º 23
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void icmps_parameter_problem(TCPIPS* tcpips, uint8_t offset, IO* original, const IP* dst)
{
#if (ICMP_DEBUG)
    printf("ICMP: Parameter problem(%d) to ", offset);
    ip_print(dst);
    printf("\n");
#endif
    icmps_control_prepare(tcpips, ICMP_CMD_PARAMETER_PROBLEM, 0, original);
    ((uint8_t*)io_data(original))[4] = offset;
    icmps_tx(tcpips, original, dst);
}
Ejemplo n.º 24
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static inline int hidd_kbd_set_report(USBD* usbd, HIDD_KBD* hidd, IO* io, unsigned int length)
{
    uint8_t* report = io_data(io);
#if (USBD_HID_DEBUG_REQUESTS)
    printf("HIDD KBD: set LEDs %#X\n", report[0]);
#endif
    if (hidd->kbd.leds != report[0])
        usbd_post_user(usbd, hidd->iface, 0, HAL_CMD(HAL_USBD_IFACE, USB_HID_KBD_LEDS_STATE_CHANGED), report[0], 0);
    hidd->kbd.leds = report[0];
    return 0;
}
Ejemplo n.º 25
0
static inline void icmps_tx_time_exceed(TCPIPS* tcpips, uint8_t code, IO* original)
{
    ICMP_HEADER* icmp;
    IP_STACK* ip_stack = io_stack(original);
    IP_HEADER* hdr = io_data(original);
#if (ICMP_DEBUG)
    printf("ICMP: Time exceeded(%d) to ", code);
    ip_print(&hdr->src);
    printf("\n");
#endif
    IO* io = ips_allocate_io(tcpips, sizeof(ICMP_HEADER) + ip_stack->hdr_size + 8, PROTO_ICMP);
    if (io == NULL)
        return;
    icmp = io_data(io);
    icmp->type = ICMP_CMD_TIME_EXCEEDED;
    icmp->code = code;
    memcpy(((uint8_t*)io_data(io)) + sizeof(ICMP_HEADER), io_data(original), ip_stack->hdr_size + 8);
    io->data_size = ip_stack->hdr_size + 8 + sizeof(ICMP_HEADER);
    icmps_tx(tcpips, io, &hdr->src);
}
Ejemplo n.º 26
0
static inline void icmps_tx_destination_unreachable(TCPIPS* tcpips, uint8_t code, IO* original)
{
    ICMP_HEADER* icmp;
    IP_STACK* ip_stack = io_stack(original);
    IP_HEADER* hdr = io_data(original);
#if (ICMP_DEBUG)
    printf("ICMP: Destination unreachable(%d) to ", code);
    ip_print(&hdr->src);
    printf("\n");
#endif
    IO* io = ips_allocate_io(tcpips, sizeof(ICMP_HEADER) + ip_stack->hdr_size + 8, PROTO_ICMP);
    if (io == NULL)
        return;
    icmp = io_data(io);
    icmp->type = ICMP_CMD_DESTINATION_UNREACHABLE;
    icmp->code = code;
    memcpy(((uint8_t*)io_data(io)) + sizeof(ICMP_HEADER), io_data(original), ip_stack->hdr_size + 8);
    io->data_size = ip_stack->hdr_size + 8 + sizeof(ICMP_HEADER);
    icmps_tx(tcpips, io, &hdr->src);
}
Ejemplo n.º 27
0
static inline void icmps_rx_echo(TCPIPS* tcpips, IO* io, IP* src)
{
    ICMP_HEADER_ID_SEQ* icmp = io_data(io);
#if (ICMP_DEBUG)
    printf("ICMP: ECHO from ");
    ip_print(src);
    printf("\n");
#endif
    icmp->type = ICMP_CMD_ECHO_REPLY;
    icmps_tx(tcpips, io, src);
}
Ejemplo n.º 28
0
static inline void icmps_tx_parameter_problem(TCPIPS* tcpips, uint8_t offset, IO* original)
{
    ICMP_HEADER_PARAM* icmp;
    IP_STACK* ip_stack = io_stack(original);
    IP_HEADER* hdr = io_data(original);
#if (ICMP_DEBUG)
    printf("ICMP: Parameter problem(%d) to ", offset);
    ip_print(&hdr->src);
    printf("\n");
#endif
    IO* io = ips_allocate_io(tcpips, sizeof(ICMP_HEADER_PARAM) + ip_stack->hdr_size + 8, PROTO_ICMP);
    if (io == NULL)
        return;
    icmp = io_data(io);
    icmp->type = ICMP_CMD_PARAMETER_PROBLEM;
    icmp->code = 0;
    icmp->param = offset;
    memcpy(((uint8_t*)io_data(io)) + sizeof(ICMP_HEADER_PARAM), io_data(original), ip_stack->hdr_size + 8);
    io->data_size = ip_stack->hdr_size + 8 + sizeof(ICMP_HEADER_PARAM);
    icmps_tx(tcpips, io, &hdr->src);
}
Ejemplo n.º 29
0
void cdc_acmd_notify_serial_state(USBD* usbd, CDC_ACMD* cdc_acmd, unsigned int state)
{
    if (cdc_acmd->notify_busy)
    {
        cdc_acmd->notify_state = state;
        cdc_acmd->notify_pending = true;
        return;
    }

    SETUP* setup = io_data(cdc_acmd->notify);
    setup->bmRequestType = BM_REQUEST_DIRECTION_DEVICE_TO_HOST | BM_REQUEST_TYPE_CLASS | BM_REQUEST_RECIPIENT_INTERFACE;
    setup->bRequest = CDC_SERIAL_STATE;
    setup->wValue = 0;
    setup->wIndex = 1;
    setup->wLength = 2;
    uint16_t* serial_state = (uint16_t*)(io_data(cdc_acmd->notify) + sizeof(SETUP));
    *serial_state = state;
    cdc_acmd->notify->data_size = sizeof(SETUP) + 2;
    usbd_usb_ep_write(usbd, cdc_acmd->control_ep, cdc_acmd->notify);
    cdc_acmd->notify_busy = true;
}
Ejemplo n.º 30
0
static inline void stm32_otg_tx(EXO* exo, int num)
{
    EP* ep = exo->usb.in[USB_EP_NUM(num)];

    int size = ep->io->data_size - ep->size;
    if (size > ep->mps)
        size = ep->mps;
    OTG_FS_DEVICE->INEP[USB_EP_NUM(num)].TSIZ = (1 << OTG_FS_DEVICE_ENDPOINT_TSIZ_PKTCNT_POS) | (size << OTG_FS_DEVICE_ENDPOINT_TSIZ_XFRSIZ_POS);
    OTG_FS_DEVICE->INEP[USB_EP_NUM(num)].CTL |= OTG_FS_DEVICE_ENDPOINT_CTL_EPENA | OTG_FS_DEVICE_ENDPOINT_CTL_CNAK;

    memcpy4((void*)(OTG_FS_FIFO_BASE + USB_EP_NUM(num) * 0x1000), io_data(ep->io) +  ep->size, size);
    ep->size += size;
}