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This commit is contained in:
Matt Land 2018-05-15 13:15:24 -04:00
parent 54293397c5
commit b0bacd9b0b
5 changed files with 96 additions and 0 deletions
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48
ports/atmel-samd/board_busses.c Normal file
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@ -0,0 +1,48 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* 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 "shared-bindings/busio/I2C.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "mpconfigboard.h"
STATIC mp_obj_t i2c_singleton = NULL;
STATIC mp_obj_t board_i2c(void) {
#if !defined(DEFAULT_I2C_BUS_SCA) || !defined(DEFAULT_I2C_BUS_SCL)
mp_raise_NotImplementedError('no default bus');
#endif
if (i2c_singleton == NULL) {
busio_i2c_obj_t *self = m_new_obj(busio_i2c_obj_t);
self->base.type = &busio_i2c_type;
assert_pin_free(DEFAULT_I2C_BUS_SCA);
assert_pin_free(DEFAULT_I2C_BUS_SCL);
common_hal_busio_i2c_construct(self, DEFAULT_I2C_BUS_SCA, DEFAULT_I2C_BUS_SCL, 400000);
i2c_singleton = (mp_obj_t)self;
}
return i2c_singleton;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c);

33
ports/atmel-samd/board_busses.h Normal file
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@ -0,0 +1,33 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* 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.
*/
#ifndef MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H
#define MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H
void board_i2c(void);
mp_obj_t board_i2c_obj;
#endif // MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H

1
ports/atmel-samd/boards/circuitplayground_express/pins.c
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@ -56,5 +56,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PA05) },
{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA07) },
{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA06) },
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
};
MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

3
ports/atmel-samd/boards/gemma_m0/mpconfigboard.h
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@ -12,6 +12,9 @@
#define CIRCUITPY_INTERNAL_NVM_SIZE 0
#define DEFAULT_I2C_BUS_SCL (&pin_PA04)
#define DEFAULT_I2C_BUS_SCA (&pin_PA05)
#include "internal_flash.h"
#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - 0x010000)

11
ports/atmel-samd/boards/gemma_m0/pins.c
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@ -1,4 +1,5 @@
#include "samd21_pins.h"
#include "board_busses.h"
STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PA05) }, // pad 1
@ -19,5 +20,15 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_APA102_MOSI), MP_ROM_PTR(&pin_PA00) },
{ MP_ROM_QSTR(MP_QSTR_APA102_SCK), MP_ROM_PTR(&pin_PA01) },
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
};
MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);
// https://learn.adafruit.com/building-circuitpython/build-circuitpython
// make BOARD=gemma_m0
// screen /dev/tty.usbmodem1411
// enger
// control AK to kill screen
// import board
// board.I2C()
// two long clicks
// /ports/amtel-sand/build-gemma_m0/firmware.uf2