samd: Add Pin and LED classes, and machine.unique_id.
This commit is contained in:
Peter van der Burg
Damien George
parent
2121353602
commit
2f65ded1a2
|
|
@ -0,0 +1,172 @@
|
|||
/*
|
||||
* This is part of the MicroPython project, http://micropython.org/
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2016-2021 Damien P. George
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* Uses pins.h & pins.c to create board (MCU package) specific 'machine_led_obj' array.
|
||||
*/
|
||||
|
||||
#include "py/runtime.h"
|
||||
#include "py/mphal.h"
|
||||
#include "extmod/virtpin.h"
|
||||
#include "modmachine.h"
|
||||
#include "pins.h" // boards/<BOARD>/
|
||||
|
||||
// ASF4 (MCU package specific pin defs in 'boards')
|
||||
#include "hal_gpio.h"
|
||||
#include "hpl_gpio.h"
|
||||
#include "hal_atomic.h"
|
||||
|
||||
STATIC void machine_led_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
|
||||
machine_led_obj_t *self = self_in;
|
||||
mp_printf(print, "LED(%u)", self->id);
|
||||
}
|
||||
|
||||
// LED.init(mode, *, value=None)
|
||||
STATIC mp_obj_t machine_led_obj_init_helper(const machine_led_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
||||
enum { ARG_mode, ARG_value };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_mode, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE} },
|
||||
{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE} },
|
||||
};
|
||||
|
||||
// parse args
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
// set initial value (do this before configuring mode/pull)
|
||||
if (args[ARG_value].u_obj != mp_const_none) {
|
||||
gpio_set_pin_level(self->id, mp_obj_is_true(args[ARG_value].u_obj));
|
||||
}
|
||||
|
||||
// configure mode
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
// constructor(id, ...)
|
||||
mp_obj_t mp_led_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
||||
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
|
||||
|
||||
// get the wanted LED object
|
||||
int wanted_led = mp_obj_get_int(args[0]);
|
||||
const machine_led_obj_t *self = NULL;
|
||||
if (0 <= wanted_led && wanted_led < MP_ARRAY_SIZE(machine_led_obj)) {
|
||||
self = (machine_led_obj_t *)&machine_led_obj[wanted_led];
|
||||
}
|
||||
|
||||
// the array could be padded with 'nulls' (see other Ports).
|
||||
// Will also error if the asked for LED (index) is greater than the array row size.
|
||||
if (self == NULL || self->base.type == NULL) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("invalid LED"));
|
||||
}
|
||||
|
||||
if (n_args > 1 || n_kw > 0) {
|
||||
// mode given, so configure this GPIO
|
||||
mp_map_t kw_args;
|
||||
mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
|
||||
machine_led_obj_init_helper(self, n_args - 1, args + 1, &kw_args);
|
||||
}
|
||||
|
||||
return MP_OBJ_FROM_PTR(self);
|
||||
}
|
||||
|
||||
// fast method for getting/setting pin value
|
||||
STATIC mp_obj_t machine_led_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
||||
mp_arg_check_num(n_args, n_kw, 0, 1, false);
|
||||
machine_led_obj_t *self = self_in;
|
||||
if (n_args == 0) {
|
||||
// get pin
|
||||
return MP_OBJ_NEW_SMALL_INT(gpio_get_pin_level(self->id));
|
||||
} else {
|
||||
// set pin
|
||||
bool value = mp_obj_is_true(args[0]);
|
||||
gpio_set_pin_level(self->id, value);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
}
|
||||
|
||||
// pin.init(mode)
|
||||
STATIC mp_obj_t machine_led_obj_init(size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
|
||||
return machine_led_obj_init_helper(args[0], n_args - 1, args + 1, kw_args);
|
||||
}
|
||||
MP_DEFINE_CONST_FUN_OBJ_KW(machine_led_init_obj, 1, machine_led_obj_init);
|
||||
|
||||
// pin.value([value])
|
||||
STATIC mp_obj_t machine_led_value(size_t n_args, const mp_obj_t *args) {
|
||||
return machine_led_call(args[0], n_args - 1, 0, args + 1);
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_led_value_obj, 1, 2, machine_led_value);
|
||||
|
||||
// pin.low()
|
||||
STATIC mp_obj_t machine_led_low(mp_obj_t self_in) {
|
||||
machine_led_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(self->id, false);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_led_low_obj, machine_led_low);
|
||||
|
||||
// pin.high()
|
||||
STATIC mp_obj_t machine_led_high(mp_obj_t self_in) {
|
||||
machine_led_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(self->id, true);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_led_high_obj, machine_led_high);
|
||||
|
||||
// pin.toggle()
|
||||
STATIC mp_obj_t machine_led_toggle(mp_obj_t self_in) {
|
||||
machine_led_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_toggle_pin_level(self->id);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_led_toggle_obj, machine_led_toggle);
|
||||
|
||||
STATIC const mp_rom_map_elem_t machine_led_locals_dict_table[] = {
|
||||
// instance methods
|
||||
{ MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&machine_led_init_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&machine_led_value_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_low), MP_ROM_PTR(&machine_led_low_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_high), MP_ROM_PTR(&machine_led_high_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_off), MP_ROM_PTR(&machine_led_low_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_on), MP_ROM_PTR(&machine_led_high_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_toggle), MP_ROM_PTR(&machine_led_toggle_obj) },
|
||||
};
|
||||
STATIC MP_DEFINE_CONST_DICT(machine_led_locals_dict, machine_led_locals_dict_table);
|
||||
|
||||
const mp_obj_type_t machine_led_type = {
|
||||
{ &mp_type_type },
|
||||
.name = MP_QSTR_LED,
|
||||
.print = machine_led_print,
|
||||
.make_new = mp_led_make_new,
|
||||
.call = machine_led_call,
|
||||
.locals_dict = (mp_obj_t)&machine_led_locals_dict,
|
||||
};
|
||||
|
|
@ -0,0 +1,334 @@
|
|||
/*
|
||||
* This is part of the MicroPython project, http://micropython.org/
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2016-2021 Damien P. George
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* Uses pins.h & pins.c to create board (MCU package) specific 'machine_pin_obj' array.
|
||||
*/
|
||||
|
||||
#include "py/runtime.h"
|
||||
#include "py/mphal.h"
|
||||
#include "extmod/virtpin.h"
|
||||
#include "modmachine.h"
|
||||
#include "samd_soc.h"
|
||||
#include "pins.h" // boards/<BOARD>/
|
||||
|
||||
// ASF4 (MCU package specific pin defs in 'boards')
|
||||
#include "hal_gpio.h"
|
||||
#include "hpl_gpio.h"
|
||||
#include "hal_atomic.h"
|
||||
|
||||
#define GPIO_MODE_IN (0)
|
||||
#define GPIO_MODE_OUT (1)
|
||||
// #define GPIO_MODE_ALT (3)
|
||||
|
||||
#define GPIO_STRENGTH_2MA (0)
|
||||
#define GPIO_STRENGTH_8MA (1)
|
||||
|
||||
// asf4 hpl_gpio.h gpio_pull_mode
|
||||
|
||||
/*
|
||||
typedef struct _machine_pin_irq_obj_t {
|
||||
mp_irq_obj_t base;
|
||||
uint32_t flags;
|
||||
uint32_t trigger;
|
||||
} machine_pin_irq_obj_t;
|
||||
|
||||
STATIC const mp_irq_methods_t machine_pin_irq_methods;
|
||||
*/
|
||||
|
||||
STATIC void machine_pin_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
|
||||
machine_pin_obj_t *self = self_in;
|
||||
mp_printf(print, "Pin(%u)", self->id);
|
||||
}
|
||||
|
||||
STATIC void pin_validate_drive(bool strength) {
|
||||
if (strength != GPIO_STRENGTH_2MA && strength != GPIO_STRENGTH_8MA) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("invalid argument(s) value"));
|
||||
}
|
||||
}
|
||||
|
||||
// Pin.init(mode, pull=None, *, value=None, drive=0). No 'alt' yet.
|
||||
STATIC mp_obj_t machine_pin_obj_init_helper(const machine_pin_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
||||
enum { ARG_mode, ARG_pull, ARG_value, ARG_drive, ARG_alt };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_mode, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE}},
|
||||
{ MP_QSTR_pull, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE}},
|
||||
{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE}},
|
||||
{ MP_QSTR_drive, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = GPIO_STRENGTH_2MA} },
|
||||
};
|
||||
|
||||
// parse args
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
// set initial value (do this before configuring mode/pull)
|
||||
if (args[ARG_value].u_obj != mp_const_none) {
|
||||
gpio_set_pin_level(self->id, mp_obj_is_true(args[ARG_value].u_obj));
|
||||
}
|
||||
|
||||
// configure mode
|
||||
if (args[ARG_mode].u_obj != mp_const_none) {
|
||||
mp_int_t mode = mp_obj_get_int(args[ARG_mode].u_obj);
|
||||
if (mode == GPIO_MODE_IN) {
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_IN);
|
||||
} else if (mode == GPIO_MODE_OUT) {
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
} else {
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_IN); // If no args are given, the Pin is 'input'.
|
||||
}
|
||||
}
|
||||
// configure pull. Only to be used with IN mode. The function sets the pin to INPUT.
|
||||
uint32_t pull = 0;
|
||||
mp_int_t mode = mp_obj_get_int(args[ARG_mode].u_obj);
|
||||
if (mode == GPIO_MODE_OUT && args[ARG_pull].u_obj != mp_const_none) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("OUT incompatible with pull"));
|
||||
} else if (args[ARG_pull].u_obj != mp_const_none) {
|
||||
pull = mp_obj_get_int(args[ARG_pull].u_obj);
|
||||
gpio_set_pin_pull_mode(self->id, pull); // hal_gpio.h
|
||||
}
|
||||
|
||||
// get the strength
|
||||
bool strength = args[3].u_int;
|
||||
pin_validate_drive(strength);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
// constructor(id, ...)
|
||||
mp_obj_t mp_pin_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
||||
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
|
||||
|
||||
// get the wanted pin object
|
||||
int wanted_pin = mp_obj_get_int(args[0]);
|
||||
|
||||
const machine_pin_obj_t *self = NULL;
|
||||
if (0 <= wanted_pin && wanted_pin < MP_ARRAY_SIZE(machine_pin_obj)) {
|
||||
self = (machine_pin_obj_t *)&machine_pin_obj[wanted_pin];
|
||||
}
|
||||
|
||||
if (self == NULL || self->base.type == NULL) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("invalid pin"));
|
||||
}
|
||||
self = (machine_pin_obj_t *)&machine_pin_obj[wanted_pin];
|
||||
|
||||
if (n_args > 1 || n_kw > 0) {
|
||||
// pin mode given, so configure this GPIO
|
||||
mp_map_t kw_args;
|
||||
mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
|
||||
machine_pin_obj_init_helper(self, n_args - 1, args + 1, &kw_args);
|
||||
}
|
||||
|
||||
return MP_OBJ_FROM_PTR(self);
|
||||
}
|
||||
|
||||
// fast method for getting/setting pin value
|
||||
STATIC mp_obj_t machine_pin_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
||||
mp_arg_check_num(n_args, n_kw, 0, 1, false);
|
||||
machine_pin_obj_t *self = self_in;
|
||||
if (n_args == 0) {
|
||||
// get pin
|
||||
return MP_OBJ_NEW_SMALL_INT(gpio_get_pin_level(self->id));
|
||||
} else {
|
||||
// set pin
|
||||
bool value = mp_obj_is_true(args[0]);
|
||||
gpio_set_pin_level(self->id, value);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
}
|
||||
|
||||
// Pin.init(mode, pull)
|
||||
STATIC mp_obj_t machine_pin_obj_init(size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
|
||||
return machine_pin_obj_init_helper(args[0], n_args - 1, args + 1, kw_args);
|
||||
}
|
||||
MP_DEFINE_CONST_FUN_OBJ_KW(machine_pin_init_obj, 1, machine_pin_obj_init);
|
||||
|
||||
// Pin.value([value])
|
||||
STATIC mp_obj_t machine_pin_value(size_t n_args, const mp_obj_t *args) {
|
||||
return machine_pin_call(args[0], n_args - 1, 0, args + 1);
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_pin_value_obj, 1, 2, machine_pin_value);
|
||||
|
||||
// Pin.disable(pin)
|
||||
STATIC mp_obj_t machine_pin_disable(mp_obj_t self_in) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OFF); // Disables the pin (low power state)
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_pin_disable_obj, machine_pin_disable);
|
||||
|
||||
// Pin.low() Totem-pole (push-pull)
|
||||
STATIC mp_obj_t machine_pin_low(mp_obj_t self_in) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(self->id, false);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_pin_low_obj, machine_pin_low);
|
||||
|
||||
// Pin.high() Totem-pole (push-pull)
|
||||
STATIC mp_obj_t machine_pin_high(mp_obj_t self_in) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(self->id, true);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_pin_high_obj, machine_pin_high);
|
||||
|
||||
// Pin.toggle(). Only TOGGLE pins set as OUTPUT.
|
||||
STATIC mp_obj_t machine_pin_toggle(mp_obj_t self_in) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
|
||||
// Determine DIRECTION of PIN.
|
||||
bool pin_dir;
|
||||
|
||||
pin_dir = (PORT->Group[(enum gpio_port)GPIO_PORT(self->id)].DIR.reg // Get PORT#
|
||||
& (1 << GPIO_PIN(self->id))) // Isolate the Pin in question
|
||||
>> GPIO_PIN(self->id); // Shift to LSB for binary result.
|
||||
|
||||
if (pin_dir) {
|
||||
// Pin is OUTPUT
|
||||
gpio_set_pin_direction(self->id, GPIO_DIRECTION_OUT);
|
||||
gpio_toggle_pin_level(self->id);
|
||||
} else {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("Cannot TOGGLE INPUT pin!\n"));
|
||||
}
|
||||
return mp_const_true;
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_pin_toggle_obj, machine_pin_toggle);
|
||||
|
||||
// Pin.drive(). Normal (0) is 2mA, High (1) allows 8mA.
|
||||
STATIC mp_obj_t machine_pin_drive(size_t n_args, const mp_obj_t *args) {
|
||||
machine_pin_obj_t *self = args[0]; // Pin
|
||||
if (n_args == 1) {
|
||||
return mp_const_none;
|
||||
} else {
|
||||
bool strength = mp_obj_get_int(args[1]); // 0 or 1
|
||||
pin_validate_drive(strength);
|
||||
// Set the DRVSTR bit (ASF hri/hri_port_dxx.h
|
||||
hri_port_write_PINCFG_DRVSTR_bit(PORT,
|
||||
(enum gpio_port)GPIO_PORT(self->id),
|
||||
GPIO_PIN(self->id),
|
||||
strength);
|
||||
return mp_const_none;
|
||||
}
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_pin_drive_obj, 1, 2, machine_pin_drive);
|
||||
|
||||
STATIC const mp_rom_map_elem_t machine_pin_locals_dict_table[] = {
|
||||
// instance methods
|
||||
{ MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&machine_pin_init_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&machine_pin_value_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_low), MP_ROM_PTR(&machine_pin_low_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_high), MP_ROM_PTR(&machine_pin_high_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_off), MP_ROM_PTR(&machine_pin_low_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_on), MP_ROM_PTR(&machine_pin_high_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_toggle), MP_ROM_PTR(&machine_pin_toggle_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_disable), MP_ROM_PTR(&machine_pin_disable_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_drive), MP_ROM_PTR(&machine_pin_drive_obj) },
|
||||
|
||||
|
||||
// { MP_ROM_QSTR(MP_QSTR_irq), MP_ROM_PTR(&machine_pin_irq_obj) },
|
||||
|
||||
// class constants
|
||||
{ MP_ROM_QSTR(MP_QSTR_IN), MP_ROM_INT(GPIO_MODE_IN) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_OUT), MP_ROM_INT(GPIO_MODE_OUT) },
|
||||
// { MP_ROM_QSTR(MP_QSTR_ALT), MP_ROM_INT(GPIO_MODE_ALT) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_PULL_OFF), MP_ROM_INT(GPIO_PULL_OFF) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_PULL_UP), MP_ROM_INT(GPIO_PULL_UP) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_PULL_DOWN), MP_ROM_INT(GPIO_PULL_DOWN) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_LOW_POWER), MP_ROM_INT(GPIO_STRENGTH_2MA) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_HIGH_POWER), MP_ROM_INT(GPIO_STRENGTH_8MA) },
|
||||
// { MP_ROM_QSTR(MP_QSTR_IRQ_RISING), MP_ROM_INT(GPIO_IRQ_EDGE_RISE) },
|
||||
// { MP_ROM_QSTR(MP_QSTR_IRQ_FALLING), MP_ROM_INT(GPIO_IRQ_EDGE_FALL) },
|
||||
};
|
||||
STATIC MP_DEFINE_CONST_DICT(machine_pin_locals_dict, machine_pin_locals_dict_table);
|
||||
|
||||
STATIC mp_uint_t pin_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
|
||||
(void)errcode;
|
||||
machine_pin_obj_t *self = self_in;
|
||||
|
||||
switch (request) {
|
||||
case MP_PIN_READ: {
|
||||
return gpio_get_pin_level(self->id);
|
||||
}
|
||||
case MP_PIN_WRITE: {
|
||||
gpio_set_pin_level(self->id, arg);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
STATIC const mp_pin_p_t pin_pin_p = {
|
||||
.ioctl = pin_ioctl,
|
||||
};
|
||||
|
||||
const mp_obj_type_t machine_pin_type = {
|
||||
{ &mp_type_type },
|
||||
.name = MP_QSTR_Pin,
|
||||
.print = machine_pin_print,
|
||||
.make_new = mp_pin_make_new,
|
||||
.call = machine_pin_call,
|
||||
.protocol = &pin_pin_p,
|
||||
.locals_dict = (mp_obj_t)&machine_pin_locals_dict,
|
||||
};
|
||||
|
||||
/*
|
||||
STATIC mp_uint_t machine_pin_irq_trigger(mp_obj_t self_in, mp_uint_t new_trigger) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
machine_pin_irq_obj_t *irq = MP_STATE_PORT(machine_pin_irq_obj[self->id]);
|
||||
gpio_set_irq_enabled(self->id, GPIO_IRQ_ALL, false);
|
||||
irq->flags = 0;
|
||||
irq->trigger = new_trigger;
|
||||
gpio_set_irq_enabled(self->id, new_trigger, true);
|
||||
return 0;
|
||||
}
|
||||
|
||||
STATIC mp_uint_t machine_pin_irq_info(mp_obj_t self_in, mp_uint_t info_type) {
|
||||
machine_pin_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
||||
machine_pin_irq_obj_t *irq = MP_STATE_PORT(machine_pin_irq_obj[self->id]);
|
||||
if (info_type == MP_IRQ_INFO_FLAGS) {
|
||||
return irq->flags;
|
||||
} else if (info_type == MP_IRQ_INFO_TRIGGERS) {
|
||||
return irq->trigger;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
STATIC const mp_irq_methods_t machine_pin_irq_methods = {
|
||||
.trigger = machine_pin_irq_trigger,
|
||||
.info = machine_pin_irq_info,
|
||||
};
|
||||
*/
|
||||
|
||||
mp_hal_pin_obj_t mp_hal_get_pin_obj(mp_obj_t obj) {
|
||||
if (!mp_obj_is_type(obj, &machine_pin_type)) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("expecting a Pin"));
|
||||
}
|
||||
machine_pin_obj_t *pin = MP_OBJ_TO_PTR(obj);
|
||||
return pin->id;
|
||||
}
|
||||
|
|
@ -27,6 +27,13 @@
|
|||
#include "py/runtime.h"
|
||||
#include "extmod/machine_mem.h"
|
||||
#include "samd_soc.h"
|
||||
#include "modmachine.h"
|
||||
|
||||
// ASF 4
|
||||
#include "hal_flash.h"
|
||||
#include "hal_init.h"
|
||||
#include "hpl_gclk_base.h"
|
||||
#include "hpl_pm_base.h"
|
||||
|
||||
#if defined(MCU_SAMD21)
|
||||
#define DBL_TAP_ADDR ((volatile uint32_t *)(0x20000000 + 32 * 1024 - 4))
|
||||
|
|
@ -36,6 +43,9 @@
|
|||
#define DBL_TAP_MAGIC_LOADER 0xf01669ef
|
||||
#define DBL_TAP_MAGIC_RESET 0xf02669ef
|
||||
|
||||
MP_DEFINE_CONST_FUN_OBJ_0(machine_uart_init_obj, machine_uart_init);
|
||||
MP_DEFINE_CONST_FUN_OBJ_0(machine_uart_deinit_obj, machine_uart_deinit);
|
||||
|
||||
STATIC mp_obj_t machine_reset(void) {
|
||||
*DBL_TAP_ADDR = DBL_TAP_MAGIC_RESET;
|
||||
NVIC_SystemReset();
|
||||
|
|
@ -55,6 +65,49 @@ STATIC mp_obj_t machine_freq(void) {
|
|||
}
|
||||
MP_DEFINE_CONST_FUN_OBJ_0(machine_freq_obj, machine_freq);
|
||||
|
||||
STATIC mp_obj_t machine_unique_id(void) {
|
||||
// Each device has a unique 128-bit serial number which is a concatenation of four 32-bit
|
||||
// words contained at the following addresses. The uniqueness of the serial number is
|
||||
// guaranteed only when using all 128 bits.
|
||||
// Atmel SAM D21E / SAM D21G / SAM D21J
|
||||
// SMART ARM-Based Microcontroller
|
||||
// DATASHEET
|
||||
// 9.6 (SAMD51) or 9.3.3 (or 10.3.3 depending on which manual)(SAMD21) Serial Number
|
||||
//
|
||||
// EXAMPLE (SAMD21)
|
||||
// ----------------
|
||||
// OpenOCD:
|
||||
// Word0:
|
||||
// > at91samd21g18.cpu mdw 0x0080A00C 1
|
||||
// 0x0080a00c: 6e27f15f
|
||||
// Words 1-3:
|
||||
// > at91samd21g18.cpu mdw 0x0080A040 3
|
||||
// 0x0080a040: 50534b54 332e3120 ff091645
|
||||
//
|
||||
// MicroPython (this code and same order as shown in Arduino IDE)
|
||||
// >>> ubinascii.hexlify(machine.unique_id())
|
||||
// b'6e27f15f50534b54332e3120ff091645'
|
||||
|
||||
#if defined(MCU_SAMD21)
|
||||
uint32_t *id_addresses[4] = {(uint32_t *)0x0080A00C, (uint32_t *)0x0080A040,
|
||||
(uint32_t *)0x0080A044, (uint32_t *)0x0080A048};
|
||||
#elif defined(MCU_SAMD51)
|
||||
uint32_t *id_addresses[4] = {(uint32_t *)0x008061FC, (uint32_t *)0x00806010,
|
||||
(uint32_t *)0x00806014, (uint32_t *)0x00806018};
|
||||
#endif
|
||||
uint8_t raw_id[16];
|
||||
|
||||
for (int i = 0; i < 4; i++) {
|
||||
for (int k = 0; k < 4; k++) {
|
||||
// 'Reverse' the read bytes into a 32 bit word (Consistent with Arduino)
|
||||
raw_id[4 * i + k] = (*(id_addresses[i]) >> (24 - k * 8)) & 0xff;
|
||||
}
|
||||
}
|
||||
|
||||
return mp_obj_new_bytes((byte *)&raw_id, sizeof(raw_id));
|
||||
}
|
||||
STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
|
||||
|
||||
STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
|
||||
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
|
||||
|
|
@ -63,6 +116,11 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
|
|||
{ MP_ROM_QSTR(MP_QSTR_mem8), MP_ROM_PTR(&machine_mem8_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_mem16), MP_ROM_PTR(&machine_mem16_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_mem32), MP_ROM_PTR(&machine_mem32_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_uart_init), MP_ROM_PTR(&machine_uart_init_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_uart_deinit), MP_ROM_PTR(&machine_uart_deinit_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&machine_led_type) },
|
||||
};
|
||||
STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,37 @@
|
|||
/*
|
||||
* This file is part of the MicroPython project, http://micropython.org/
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2021 Damien P. George
|
||||
*
|
||||
* 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_SAMD_MODMACHINE_H
|
||||
#define MICROPY_INCLUDED_SAMD_MODMACHINE_H
|
||||
|
||||
#include "py/obj.h"
|
||||
|
||||
extern const mp_obj_type_t machine_pin_type;
|
||||
extern const mp_obj_type_t machine_led_type;
|
||||
|
||||
mp_obj_t machine_uart_init(void);
|
||||
mp_obj_t machine_uart_deinit(void);
|
||||
|
||||
#endif // MICROPY_INCLUDED_SAMD_MODMACHINE_H
|
||||
Loading…
Reference in New Issue