Пример #1
0
/// \function have_cdc()
/// Return True if USB is connected as a serial device, False otherwise.
STATIC mp_obj_t pyb_have_cdc(void ) {
    return MP_BOOL(usb_vcp_is_connected());
}
Пример #2
0
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in) {
    mp_float_t rhs_real, rhs_imag;
    mp_obj_get_complex(rhs_in, &rhs_real, &rhs_imag); // can be any type, this function will convert to float (if possible)
    switch (op) {
        case MP_BINARY_OP_ADD:
        case MP_BINARY_OP_INPLACE_ADD:
            lhs_real += rhs_real;
            lhs_imag += rhs_imag;
            break;
        case MP_BINARY_OP_SUBTRACT:
        case MP_BINARY_OP_INPLACE_SUBTRACT:
            lhs_real -= rhs_real;
            lhs_imag -= rhs_imag;
            break;
        case MP_BINARY_OP_MULTIPLY:
        case MP_BINARY_OP_INPLACE_MULTIPLY: {
            mp_float_t real;
            multiply:
            real = lhs_real * rhs_real - lhs_imag * rhs_imag;
            lhs_imag = lhs_real * rhs_imag + lhs_imag * rhs_real;
            lhs_real = real;
            break;
        }
        case MP_BINARY_OP_FLOOR_DIVIDE:
        case MP_BINARY_OP_INPLACE_FLOOR_DIVIDE:
            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "can't do truncated division of a complex number"));

        case MP_BINARY_OP_TRUE_DIVIDE:
        case MP_BINARY_OP_INPLACE_TRUE_DIVIDE:
            if (rhs_imag == 0) {
                if (rhs_real == 0) {
                    nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, "complex division by zero"));
                }
                lhs_real /= rhs_real;
                lhs_imag /= rhs_real;
            } else if (rhs_real == 0) {
                mp_float_t real = lhs_imag / rhs_imag;
                lhs_imag = -lhs_real / rhs_imag;
                lhs_real = real;
            } else {
                mp_float_t rhs_len_sq = rhs_real*rhs_real + rhs_imag*rhs_imag;
                rhs_real /= rhs_len_sq;
                rhs_imag /= -rhs_len_sq;
                goto multiply;
            }
            break;

        case MP_BINARY_OP_POWER:
        case MP_BINARY_OP_INPLACE_POWER: {
            // z1**z2 = exp(z2*ln(z1))
            //        = exp(z2*(ln(|z1|)+i*arg(z1)))
            //        = exp( (x2*ln1 - y2*arg1) + i*(y2*ln1 + x2*arg1) )
            //        = exp(x3 + i*y3)
            //        = exp(x3)*(cos(y3) + i*sin(y3))
            mp_float_t abs1 = MICROPY_FLOAT_C_FUN(sqrt)(lhs_real*lhs_real + lhs_imag*lhs_imag);
            if (abs1 == 0) {
                if (rhs_imag == 0) {
                    lhs_real = 1;
                    rhs_real = 0;
                } else {
                    nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, "0.0 to a complex power"));
                }
            } else {
                mp_float_t ln1 = MICROPY_FLOAT_C_FUN(log)(abs1);
                mp_float_t arg1 = MICROPY_FLOAT_C_FUN(atan2)(lhs_imag, lhs_real);
                mp_float_t x3 = rhs_real * ln1 - rhs_imag * arg1;
                mp_float_t y3 = rhs_imag * ln1 + rhs_real * arg1;
                mp_float_t exp_x3 = MICROPY_FLOAT_C_FUN(exp)(x3);
                lhs_real = exp_x3 * MICROPY_FLOAT_C_FUN(cos)(y3);
                lhs_imag = exp_x3 * MICROPY_FLOAT_C_FUN(sin)(y3);
            }
            break;
        }

        case MP_BINARY_OP_EQUAL: return MP_BOOL(lhs_real == rhs_real && lhs_imag == rhs_imag);

        default:
            return MP_OBJ_NULL; // op not supported
    }
    return mp_obj_new_complex(lhs_real, lhs_imag);
}
Пример #3
0
STATIC mp_obj_t sd_present(mp_obj_t self) {
    return MP_BOOL(sdcard_is_present());
}
Пример #4
0
STATIC mp_obj_t list_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
    mp_obj_list_t *o = lhs;
    switch (op) {
        case RT_BINARY_OP_SUBSCR:
        {
#if MICROPY_ENABLE_SLICE
            if (MP_OBJ_IS_TYPE(rhs, &slice_type)) {
                machine_uint_t start, stop;
                if (!m_seq_get_fast_slice_indexes(o->len, rhs, &start, &stop)) {
                    assert(0);
                }
                mp_obj_list_t *res = list_new(stop - start);
                m_seq_copy(res->items, o->items + start, res->len, mp_obj_t);
                return res;
            }
#endif
            uint index = mp_get_index(o->base.type, o->len, rhs, false);
            return o->items[index];
        }
        case RT_BINARY_OP_ADD:
        {
            if (!MP_OBJ_IS_TYPE(rhs, &list_type)) {
                return NULL;
            }
            mp_obj_list_t *p = rhs;
            mp_obj_list_t *s = list_new(o->len + p->len);
            m_seq_cat(s->items, o->items, o->len, p->items, p->len, mp_obj_t);
            return s;
        }
        case RT_BINARY_OP_INPLACE_ADD:
        {
            if (!MP_OBJ_IS_TYPE(rhs, &list_type)) {
                return NULL;
            }
            list_extend(lhs, rhs);
            return o;
        }
        case RT_BINARY_OP_MULTIPLY:
        {
            if (!MP_OBJ_IS_SMALL_INT(rhs)) {
                return NULL;
            }
            int n = MP_OBJ_SMALL_INT_VALUE(rhs);
            mp_obj_list_t *s = list_new(o->len * n);
            mp_seq_multiply(o->items, sizeof(*o->items), o->len, n, s->items);
            return s;
        }
        case RT_BINARY_OP_EQUAL:
        case RT_BINARY_OP_LESS:
        case RT_BINARY_OP_LESS_EQUAL:
        case RT_BINARY_OP_MORE:
        case RT_BINARY_OP_MORE_EQUAL:
            return MP_BOOL(list_cmp_helper(op, lhs, rhs));
        case RT_BINARY_OP_NOT_EQUAL:
            return MP_BOOL(!list_cmp_helper(RT_BINARY_OP_EQUAL, lhs, rhs));

        default:
            // op not supported
            return NULL;
    }
}
Пример #5
0
mp_obj_t mp_obj_float_binary_op(mp_uint_t op, mp_float_t lhs_val, mp_obj_t rhs_in) {
    mp_float_t rhs_val = mp_obj_get_float(rhs_in); // can be any type, this function will convert to float (if possible)
    switch (op) {
        case MP_BINARY_OP_ADD:
        case MP_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
        case MP_BINARY_OP_SUBTRACT:
        case MP_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
        case MP_BINARY_OP_MULTIPLY:
        case MP_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
        case MP_BINARY_OP_FLOOR_DIVIDE:
        case MP_BINARY_OP_INPLACE_FLOOR_DIVIDE:
            if (rhs_val == 0) {
                zero_division_error:
                nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, "division by zero"));
            }
            // Python specs require that x == (x//y)*y + (x%y) so we must
            // call divmod to compute the correct floor division, which
            // returns the floor divide in lhs_val.
            mp_obj_float_divmod(&lhs_val, &rhs_val);
            break;
        case MP_BINARY_OP_TRUE_DIVIDE:
        case MP_BINARY_OP_INPLACE_TRUE_DIVIDE:
            if (rhs_val == 0) {
                goto zero_division_error;
            }
            lhs_val /= rhs_val;
            break;
        case MP_BINARY_OP_MODULO:
        case MP_BINARY_OP_INPLACE_MODULO:
            if (rhs_val == 0) {
                goto zero_division_error;
            }
            lhs_val = MICROPY_FLOAT_C_FUN(fmod)(lhs_val, rhs_val);
            // Python specs require that mod has same sign as second operand
            if (lhs_val == 0.0) {
                lhs_val = MICROPY_FLOAT_C_FUN(copysign)(0.0, rhs_val);
            } else {
                if ((lhs_val < 0.0) != (rhs_val < 0.0)) {
                    lhs_val += rhs_val;
                }
            }
            break;
        case MP_BINARY_OP_POWER:
        case MP_BINARY_OP_INPLACE_POWER: lhs_val = MICROPY_FLOAT_C_FUN(pow)(lhs_val, rhs_val); break;
        case MP_BINARY_OP_DIVMOD: {
            if (rhs_val == 0) {
                goto zero_division_error;
            }
            mp_obj_float_divmod(&lhs_val, &rhs_val);
            mp_obj_t tuple[2] = {
                mp_obj_new_float(lhs_val),
                mp_obj_new_float(rhs_val),
            };
            return mp_obj_new_tuple(2, tuple);
        }
        case MP_BINARY_OP_LESS: return MP_BOOL(lhs_val < rhs_val);
        case MP_BINARY_OP_MORE: return MP_BOOL(lhs_val > rhs_val);
        case MP_BINARY_OP_EQUAL: return MP_BOOL(lhs_val == rhs_val);
        case MP_BINARY_OP_LESS_EQUAL: return MP_BOOL(lhs_val <= rhs_val);
        case MP_BINARY_OP_MORE_EQUAL: return MP_BOOL(lhs_val >= rhs_val);

        default:
            return MP_OBJ_NULL; // op not supported
    }
    return mp_obj_new_float(lhs_val);
}
Пример #6
0
STATIC mp_obj_t py_vcp_is_connected(void ) {
    return MP_BOOL(USBD_CDC_IsConnected());
}
Пример #7
0
STATIC mp_obj_t network_server_enabled(void) {
    return MP_BOOL(servers_are_enabled());
}