C++ (Cpp) pyb_buf_get_for_send Exemples

Exemple #1

Fichier : uart.c Projet : KnightSch/micropython

STATIC mp_obj_t pyb_uart_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
    // TODO assumes transmission size is 8-bits wide

    pyb_uart_obj_t *self = args[0];

    // parse args
    mp_arg_val_t vals[PYB_UART_SEND_NUM_ARGS];
    mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_UART_SEND_NUM_ARGS, pyb_uart_send_args, vals);

#if 0
    // get the buffer to send from
    mp_buffer_info_t bufinfo;
    uint8_t data[1];
    pyb_buf_get_for_send(vals[0].u_obj, &bufinfo, data);

    // send the data
    HAL_StatusTypeDef status = HAL_UART_Transmit(&self->uart, bufinfo.buf, bufinfo.len, vals[1].u_int);

    if (status != HAL_OK) {
        // TODO really need a HardwareError object, or something
        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_UART_Transmit failed with code %d", status));
    }
#else
    (void)self;
#endif

    return mp_const_none;
}

Exemple #2

Fichier : usb.c Projet : Gigozzo/micropython-ru

STATIC mp_obj_t pyb_usb_vcp_send(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
    // parse args
    mp_arg_val_t vals[PYB_USB_VCP_SEND_NUM_ARGS];
    mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_USB_VCP_SEND_NUM_ARGS, pyb_usb_vcp_send_args, vals);

    // get the buffer to send from
    mp_buffer_info_t bufinfo;
    uint8_t data[1];
    pyb_buf_get_for_send(vals[0].u_obj, &bufinfo, data);

    // send the data
    int ret = USBD_CDC_Tx(bufinfo.buf, bufinfo.len, vals[1].u_int);

    return mp_obj_new_int(ret);
}