circuitpython/shared-bindings/board/__init__.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Scott Shawcroft
*
* 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 "py/obj.h"
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#include "py/runtime.h"
#include "shared-bindings/board/__init__.h"
#if CIRCUITPY_BOARD_I2C
#include "shared-bindings/busio/I2C.h"
#endif
#if CIRCUITPY_BOARD_SPI
#include "shared-bindings/busio/SPI.h"
#endif
#if CIRCUITPY_BOARD_UART
#include "shared-bindings/busio/UART.h"
#endif
//| """Board specific pin names
//|
//| Common container for board base pin names. These will vary from board to
//| board so don't expect portability when using this module.
//|
//| .. 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."""
//| board_id: str
//| """Board ID string. The unique identifier for the board model in
//| circuitpython, as well as on circuitpython.org.
//| Example: "hallowing_m0_express"."""
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//| def I2C() -> busio.I2C:
//| """Returns the `busio.I2C` object for the board's designated I2C bus(es).
//| The object created is a singleton, and uses the default parameter values for `busio.I2C`."""
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//| ...
//|
#if CIRCUITPY_BOARD_I2C
STATIC mp_obj_t board_i2c_0(void) {
return common_hal_board_create_i2c(0);
}
#else
STATIC mp_obj_t board_i2c_0(void) {
mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_I2C);
return MP_ROM_NONE;
}
#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c_0);
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//| def SPI() -> busio.SPI:
//| """Returns the `busio.SPI` object for the board's designated SPI bus(es).
//| The object created is a singleton, and uses the default parameter values for `busio.SPI`."""
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//| ...
//|
#if CIRCUITPY_BOARD_SPI
STATIC mp_obj_t board_spi_0(void) {
return common_hal_board_create_spi(0);
}
#else
STATIC mp_obj_t board_spi_0(void) {
mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_SPI);
return MP_ROM_NONE;
}
#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_spi_obj, board_spi_0);
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//| def UART() -> busio.UART:
//| """Returns the `busio.UART` object for the board's designated UART bus(es).
//| The object created is a singleton, and uses the default parameter values for `busio.UART`."""
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//| ...
//|
#if CIRCUITPY_BOARD_UART
STATIC mp_obj_t board_uart_0(void) {
return common_hal_board_create_uart(0);
}
#else
STATIC mp_obj_t board_uart_0(void) {
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mp_raise_NotImplementedError_varg(translate("No default %q bus"), MP_QSTR_UART);
return MP_ROM_NONE;
}
#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_uart_obj, board_uart_0);
const mp_obj_module_t board_module = {
.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&board_module_globals,
};
MP_REGISTER_MODULE(MP_QSTR_board, board_module, CIRCUITPY_BOARD);