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tannewttannewt
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Merge pull request adafruit#844 from matt-land/feature-default-spi-circuit-playground
Feature: 'default' SPI support for atmel-samd boards
2 parents 91db71e + c846f4b commit 8581ee3

37 files changed

Lines changed: 113 additions & 4 deletions

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‎ports/atmel-samd/board_busses.c‎

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*/
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#include "shared-bindings/busio/I2C.h"
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#include "shared-bindings/busio/SPI.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "mpconfigboard.h"
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#include "pins.h"
@@ -60,3 +61,30 @@
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#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_i2c_obj, board_i2c);
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#if !defined(DEFAULT_SPI_BUS_SCK) || !defined(DEFAULT_SPI_BUS_MISO) || !defined(DEFAULT_SPI_BUS_MOSI)
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STATIC mp_obj_t board_spi(void) {
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mp_raise_NotImplementedError("No default SPI bus");
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return NULL;
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}
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#else
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STATIC mp_obj_t spi_singleton = NULL;
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STATIC mp_obj_t board_spi(void) {
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if (spi_singleton == NULL) {
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busio_spi_obj_t *self = m_new_obj(busio_spi_obj_t);
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self->base.type = &busio_spi_type;
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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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const mcu_pin_obj_t* clock = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_SCK);
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const mcu_pin_obj_t* mosi = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MOSI);
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const mcu_pin_obj_t* miso = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MISO);
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common_hal_busio_spi_construct(self, clock, mosi, miso);
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spi_singleton = (mp_obj_t)self;
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}
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return spi_singleton;
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_0(board_spi_obj, board_spi);

‎ports/atmel-samd/board_busses.h‎

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void board_i2c(void);
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extern mp_obj_fun_builtin_fixed_t board_i2c_obj;
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void board_spi(void);
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extern mp_obj_fun_builtin_fixed_t board_spi_obj;
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_BOARD_BUSSES_H

‎ports/atmel-samd/boards/arduino_zero/mpconfigboard.h‎

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#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
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#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA12)

‎ports/atmel-samd/boards/arduino_zero/pins.c‎

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@@ -33,5 +33,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PB10) },
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{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA12) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

‎ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h‎

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#define DEFAULT_I2C_BUS_SCL (&pin_PB03)
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#define DEFAULT_I2C_BUS_SDA (&pin_PB02)
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#define DEFAULT_SPI_BUS_SCK (&pin_PA05)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PA07)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA06)

‎ports/atmel-samd/boards/circuitplayground_express/pins.c‎

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@@ -58,5 +58,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

‎ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.h‎

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#define DEFAULT_I2C_BUS_SCL (&pin_PA22)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA23)
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#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA12)

‎ports/atmel-samd/boards/feather_m0_adalogger/pins.c‎

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@@ -32,5 +32,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA17) },
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{ MP_ROM_QSTR(MP_QSTR_RED_LED), MP_ROM_PTR(&pin_PA17) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

‎ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.h‎

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#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
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#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA12)

‎ports/atmel-samd/boards/feather_m0_basic/pins.c‎

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@@ -25,5 +25,6 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_PA19) },
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{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA17) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

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