121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Scott Shawcroft
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "shared-bindings/board/__init__.h"
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//| :mod:`board` --- Board specific pin names
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//| ========================================================
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//|
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//| .. module:: board
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//| :synopsis: Board specific pin names
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//| :platform: SAMD21
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//|
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//| Common container for board base pin names. These will vary from board to
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//| board so don't expect portability when using this module.
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//|
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//| .. warning:: The board module varies by board. The APIs documented here may or may not be
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//| available on a specific board.
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//| .. method:: I2C()
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//|
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//| Returns the `busio.I2C` object for the board designated SDA and SCL pins. It is a singleton.
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//|
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#if BOARD_I2C
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mp_obj_t board_i2c(void) {
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mp_obj_t singleton = common_hal_board_get_i2c();
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if (singleton != NULL) {
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return singleton;
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}
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assert_pin_free(DEFAULT_I2C_BUS_SDA);
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assert_pin_free(DEFAULT_I2C_BUS_SCL);
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return common_hal_board_create_i2c();
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}
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#else
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mp_obj_t board_i2c(void) {
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mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_I2C);
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return NULL;
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c);
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//| .. method:: SPI()
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//|
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//| Returns the `busio.SPI` object for the board designated SCK, MOSI and MISO pins. It is a
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//| singleton.
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//|
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#if BOARD_SPI
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mp_obj_t board_spi(void) {
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mp_obj_t singleton = common_hal_board_get_spi();
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if (singleton != NULL) {
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return singleton;
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}
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assert_pin_free(DEFAULT_SPI_BUS_SCK);
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assert_pin_free(DEFAULT_SPI_BUS_MOSI);
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assert_pin_free(DEFAULT_SPI_BUS_MISO);
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return common_hal_board_create_spi();
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}
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#else
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mp_obj_t board_spi(void) {
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mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_SPI);
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return NULL;
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_spi_obj, board_spi);
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//| .. method:: UART()
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//|
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//| Returns the `busio.UART` object for the board designated TX and RX pins. It is a singleton.
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//|
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#if BOARD_UART
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mp_obj_t board_uart(void) {
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mp_obj_t singleton = common_hal_board_get_uart();
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if (singleton != NULL) {
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return singleton;
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}
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assert_pin_free(DEFAULT_UART_BUS_RX);
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assert_pin_free(DEFAULT_UART_BUS_TX);
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return common_hal_board_create_uart();
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}
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#else
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mp_obj_t board_uart(void) {
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mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_SPI);
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return NULL;
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_uart_obj, board_uart);
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const mp_obj_module_t board_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&board_module_globals,
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};
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