【添加】：micropython 基于 rt-thread 的硬件 SPI

port/machine_hw_spi.c

@@ -0,0 +1,95 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 SummerGift <zhangyuan@rt-thread.com>
+ *
+ * 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 <string.h>
+
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "extmod/machine_spi.h"
+
+#ifdef MICROPYTHON_USING_MACHINE_SPI
+
+/******************************************************************************/
+// Implementation of hard SPI for machine module
+
+typedef struct _spi_t {
+} spi_t;
+
+typedef struct _machine_hard_spi_obj_t {
+    mp_obj_base_t base;
+    const spi_t *spi;
+} machine_hard_spi_obj_t;
+
+
+STATIC void machine_hard_spi_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
+    machine_hard_spi_obj_t *self = (machine_hard_spi_obj_t*)self_in;
+}
+
+mp_obj_t machine_hard_spi_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
+}
+
+STATIC void machine_hard_spi_init(mp_obj_base_t *self_in, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    machine_hard_spi_obj_t *self = (machine_hard_spi_obj_t*)self_in;
+
+    enum { ARG_baudrate, ARG_polarity, ARG_phase, ARG_bits, ARG_firstbit };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_baudrate, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
+        { MP_QSTR_polarity, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
+        { MP_QSTR_phase,    MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
+        { MP_QSTR_bits,     MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
+        { MP_QSTR_firstbit, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
+    };
+    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);
+
+}
+
+STATIC void machine_hard_spi_deinit(mp_obj_base_t *self_in) {
+    machine_hard_spi_obj_t *self = (machine_hard_spi_obj_t*)self_in;
+
+}
+
+STATIC void machine_hard_spi_transfer(mp_obj_base_t *self_in, size_t len, const uint8_t *src, uint8_t *dest) {
+}
+
+STATIC const mp_machine_spi_p_t machine_hard_spi_p = {
+    .init = machine_hard_spi_init,
+    .deinit = machine_hard_spi_deinit,
+    .transfer = machine_hard_spi_transfer,
+};
+
+const mp_obj_type_t machine_hard_spi_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_SPI,
+    .print = machine_hard_spi_print,
+    .make_new = machine_hard_spi_make_new, // delegate to master constructor
+    .protocol = &machine_hard_spi_p,
+    .locals_dict = (mp_obj_t)&mp_machine_spi_locals_dict,
+};
+
+#endif // MICROPYTHON_USING_MACHINE_SPI
+

port/mpconfigport.h

@@ -213,6 +213,7 @@
 
 #ifdef MICROPYTHON_USING_MACHINE_SPI
 #define MICROPY_PY_MACHINE_SPI      (1)
+#define MICROPY_PY_MACHINE_SPI_MAKE_NEW machine_hard_spi_make_new
 #endif
 
 #if MICROPY_PY_THREAD