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This commit is contained in:
Matt Land 2018-05-15 13:53:53 -04:00
parent b0bacd9b0b
commit a10f04ad6e
7 changed files with 13 additions and 16 deletions
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1
ports/atmel-samd/Makefile
View File

@ -227,6 +227,7 @@ SRC_ASF := $(addprefix asf4/$(CHIP_FAMILY)/, $(SRC_ASF))
SRC_C = \
audio_dma.c \
board_busses.c \
background.c \
clocks.c \
$(CHIP_FAMILY)_clocks.c \

9
ports/atmel-samd/board_busses.c
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@ -27,22 +27,23 @@
#include "shared-bindings/busio/I2C.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "mpconfigboard.h"
#include "pins.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)
#if !defined(DEFAULT_I2C_BUS_SDA) || !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_SDA);
assert_pin_free(DEFAULT_I2C_BUS_SCL);
common_hal_busio_i2c_construct(self, DEFAULT_I2C_BUS_SCA, DEFAULT_I2C_BUS_SCL, 400000);
common_hal_busio_i2c_construct(self, DEFAULT_I2C_BUS_SCL, DEFAULT_I2C_BUS_SDA, 400000);
i2c_singleton = (mp_obj_t)self;
}
return i2c_singleton;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c);
MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c);

2
ports/atmel-samd/board_busses.h
View File

@ -28,6 +28,6 @@
#define MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H
void board_i2c(void);
mp_obj_t board_i2c_obj;
extern mp_obj_fun_builtin_fixed_t board_i2c_obj;
#endif // MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H

3
ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h
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@ -58,3 +58,6 @@
// Explanation of how a user got into safe mode.
#define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"
#define DEFAULT_I2C_BUS_SCL (&pin_PB03)
#define DEFAULT_I2C_BUS_SDA (&pin_PB02)

1
ports/atmel-samd/boards/circuitplayground_express/pins.c
View File

@ -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_A0), MP_ROM_PTR(&pin_PA02) },

4
ports/atmel-samd/boards/gemma_m0/mpconfigboard.h
View File

@ -12,8 +12,8 @@
#define CIRCUITPY_INTERNAL_NVM_SIZE 0
#define DEFAULT_I2C_BUS_SCL (&pin_PA04)
#define DEFAULT_I2C_BUS_SCA (&pin_PA05)
#define DEFAULT_I2C_BUS_SCL (&pin_PA05)
#define DEFAULT_I2C_BUS_SDA (&pin_PA04)
#include "internal_flash.h"

9
ports/atmel-samd/boards/gemma_m0/pins.c
View File

@ -23,12 +23,3 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ 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