C++ (Cpp) uart_rx_any 예제들

예제 #1

파일: pybuart.c 프로젝트: jasongwq/micropython

/// \method any()
/// Return `True` if any characters waiting, else `False`.
STATIC mp_obj_t pyb_uart_any(mp_obj_t self_in) {
    pyb_uart_obj_t *self = self_in;
    if (uart_rx_any(self)) {
        return mp_const_true;
    } else {
        return mp_const_false;
    }
}

예제 #2

파일: teensy_hal.c 프로젝트: HenrikSolver/micropython

int mp_hal_stdin_rx_chr(void) {
    for (;;) {
        byte c;
        if (usb_vcp_recv_byte(&c) != 0) {
            return c;
        } else if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
            return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
        }
        __WFI();
    }
}

예제 #3

파일: pybuart.c 프로젝트: jasongwq/micropython

// Waits at most timeout milliseconds for at least 1 char to become ready for
// reading (from buf or for direct reading).
// Returns true if something available, false if not.
STATIC bool uart_rx_wait(pyb_uart_obj_t *self, uint32_t timeout) {
    for (;;) {
        if (uart_rx_any(self)) {
            return true; // have at least 1 char ready for reading
        }
        if (timeout > 0) {
            HAL_Delay (1);
            timeout--;
        }
        else {
            return false;
        }
    }
}

예제 #4

파일: pybuart.c 프로젝트: jasongwq/micropython

STATIC mp_uint_t pyb_uart_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
    pyb_uart_obj_t *self = self_in;
    mp_uint_t ret;
    if (request == MP_IOCTL_POLL) {
        mp_uint_t flags = arg;
        ret = 0;
        if ((flags & MP_IOCTL_POLL_RD) && uart_rx_any(self)) {
            ret |= MP_IOCTL_POLL_RD;
        }
        if ((flags & MP_IOCTL_POLL_WR) && MAP_UARTSpaceAvail(self->reg)) {
            ret |= MP_IOCTL_POLL_WR;
        }
    } else {
        *errcode = EINVAL;
        ret = MP_STREAM_ERROR;
    }
    return ret;
}

예제 #5

파일: pybstdio.c 프로젝트: A-L-E-X/micropython

int stdin_rx_chr(void) {
    for (;;) {
#if 0
#ifdef USE_HOST_MODE
        pyb_usb_host_process();
        int c = pyb_usb_host_get_keyboard();
        if (c != 0) {
            return c;
        }
#endif
#endif

        byte c;
        if (usb_vcp_recv_byte(&c) != 0) {
            return c;
        } else if (pyb_stdio_uart != PYB_UART_NONE && uart_rx_any(pyb_stdio_uart)) {
            return uart_rx_char(pyb_stdio_uart);
        }
        __WFI();
    }
}

예제 #6

파일: mphal.c 프로젝트: jaafarbarek/pyrtos

int mp_hal_stdin_rx_chr(void) {
    for (;;) {
#if 0
#ifdef USE_HOST_MODE
        pyb_usb_host_process();
        int c = pyb_usb_host_get_keyboard();
        if (c != 0) {
            return c;
        }
#endif
#endif

        byte c;
        if (usb_vcp_recv_byte(&c) != 0) {
            return c;
        } else if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
            return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
        }
        __WFI();
    }
}

예제 #7

파일: uart.c 프로젝트: andrecurvello/micropython

mp_uint_t uart_ioctl(mp_obj_t self_in, mp_uint_t request, int *errcode, ...) {
    pyb_uart_obj_t *self = self_in;
    va_list vargs;
    va_start(vargs, errcode);
    mp_uint_t ret;
    if (request == MP_IOCTL_POLL) {
        mp_uint_t flags = va_arg(vargs, mp_uint_t);
        ret = 0;
        if ((flags & MP_IOCTL_POLL_RD) && uart_rx_any(self)) {
            ret |= MP_IOCTL_POLL_RD;
        }
        if ((flags & MP_IOCTL_POLL_WR) && __HAL_UART_GET_FLAG(&self->uart, UART_FLAG_TXE)) {
            ret |= MP_IOCTL_POLL_WR;
        }
    } else {
        *errcode = EINVAL;
        ret = -1;
    }
    va_end(vargs);
    return ret;
}