1 files changed, 0 insertions, 142 deletions
diff --git a/esp8266/machine_spi.c b/esp8266/machine_spi.c
deleted file mode 100644
index e974547111..0000000000
--- a/esp8266/machine_spi.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * This file is part of the MicroPython project, http://micropython.org/
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2016 Damien P. George
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-
-#include "py/runtime.h"
-#include "py/stream.h"
-#include "py/mphal.h"
-#include "extmod/machine_spi.h"
-
-/******************************************************************************/
-// MicroPython bindings for SPI
-
-STATIC uint32_t baudrate_from_delay_half(uint32_t delay_half) {
-    return 500000 / delay_half;
-}
-
-STATIC uint32_t baudrate_to_delay_half(uint32_t baudrate) {
-    uint32_t delay_half = 500000 / baudrate;
-    // round delay_half up so that: actual_baudrate <= requested_baudrate
-    if (500000 % baudrate != 0) {
-        delay_half += 1;
-    }
-    return delay_half;
-}
-
-STATIC void pyb_spi_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
-    mp_machine_soft_spi_obj_t *self = MP_OBJ_TO_PTR(self_in);
-    mp_printf(print, "SPI(baudrate=%u, polarity=%u, phase=%u, sck=%u, mosi=%u, miso=%u)",
-        baudrate_from_delay_half(self->delay_half),
-        self->polarity, self->phase, self->sck, self->mosi, self->miso);
-}
-
-STATIC void pyb_spi_init_helper(mp_machine_soft_spi_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_baudrate, ARG_polarity, ARG_phase, ARG_sck, ARG_mosi, ARG_miso };
-    static const mp_arg_t allowed_args[] = {
-        { MP_QSTR_baudrate, MP_ARG_INT, {.u_int = -1} },
-        { MP_QSTR_polarity, MP_ARG_INT, {.u_int = -1} },
-        { MP_QSTR_phase, MP_ARG_INT, {.u_int = -1} },
-        { MP_QSTR_sck, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
-        { MP_QSTR_mosi, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
-        { MP_QSTR_miso, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
-    };
-    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
-    mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
-
-    if (args[ARG_baudrate].u_int != -1) {
-        self->delay_half = baudrate_to_delay_half(args[ARG_baudrate].u_int);
-    }
-    if (args[ARG_polarity].u_int != -1) {
-        self->polarity = args[ARG_polarity].u_int;
-    }
-    if (args[ARG_phase].u_int != -1) {
-        self->phase = args[ARG_phase].u_int;
-    }
-    if (args[ARG_sck].u_obj != MP_OBJ_NULL) {
-        self->sck = mp_hal_get_pin_obj(args[ARG_sck].u_obj);
-    }
-    if (args[ARG_mosi].u_obj != MP_OBJ_NULL) {
-        self->mosi = mp_hal_get_pin_obj(args[ARG_mosi].u_obj);
-    }
-    if (args[ARG_miso].u_obj != MP_OBJ_NULL) {
-        self->miso = mp_hal_get_pin_obj(args[ARG_miso].u_obj);
-    }
-
-    // configure pins
-    mp_hal_pin_write(self->sck, self->polarity);
-    mp_hal_pin_output(self->sck);
-    mp_hal_pin_output(self->mosi);
-    mp_hal_pin_input(self->miso);
-}
-
-mp_obj_t pyb_spi_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
-    mp_arg_check_num(n_args, n_kw, 0, MP_OBJ_FUN_ARGS_MAX, true);
-    mp_machine_soft_spi_obj_t *self = m_new_obj(mp_machine_soft_spi_obj_t);
-    self->base.type = &pyb_spi_type;
-    // set defaults
-    self->delay_half = baudrate_to_delay_half(500000);
-    self->polarity = 0;
-    self->phase = 0;
-    self->sck = 14;
-    self->mosi = 13;
-    self->miso = 12;
-    mp_map_t kw_args;
-    mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
-    pyb_spi_init_helper(self, n_args, args, &kw_args);
-    return MP_OBJ_FROM_PTR(self);
-}
-
-STATIC mp_obj_t pyb_spi_init(size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
-    pyb_spi_init_helper(args[0], n_args - 1, args + 1, kw_args);
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_KW(pyb_spi_init_obj, 1, pyb_spi_init);
-
-STATIC const mp_rom_map_elem_t pyb_spi_locals_dict_table[] = {
-    { MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&pyb_spi_init_obj) },
-    { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mp_machine_spi_read_obj) },
-    { MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_machine_spi_readinto_obj) },
-    { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_machine_spi_write_obj) },
-    { MP_ROM_QSTR(MP_QSTR_write_readinto), MP_ROM_PTR(&mp_machine_spi_write_readinto_obj) },
-};
-
-STATIC MP_DEFINE_CONST_DICT(pyb_spi_locals_dict, pyb_spi_locals_dict_table);
-
-STATIC const mp_machine_spi_p_t pyb_spi_p = {
-    .transfer = mp_machine_soft_spi_transfer,
-};
-
-const mp_obj_type_t pyb_spi_type = {
-    { &mp_type_type },
-    .name = MP_QSTR_SoftSPI,
-    .print = pyb_spi_print,
-    .make_new = pyb_spi_make_new,
-    .protocol = &pyb_spi_p,
-    .locals_dict = (mp_obj_dict_t*)&pyb_spi_locals_dict,
-};