Commit 7193086c authored by Paul Sokolovsky's avatar Paul Sokolovsky
Browse files

esp8266/modmachine: Basic implementation of Timer for OS virtual timers.

parent 4284b381
......@@ -4,6 +4,7 @@
* The MIT License (MIT)
*
* Copyright (c) 2013-2015 Damien P. George
* Copyright (c) 2016 Paul Sokolovsky
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
......@@ -27,15 +28,93 @@
#include <stdint.h>
#include "py/obj.h"
#include "py/runtime.h"
#include "extmod/machine_mem.h"
#include "utils.h"
#include "os_type.h"
#include "osapi.h"
#if MICROPY_PY_MACHINE
typedef struct _esp_timer_obj_t {
mp_obj_base_t base;
os_timer_t timer;
mp_obj_t callback;
} esp_timer_obj_t;
const mp_obj_type_t esp_timer_type;
STATIC void esp_timer_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
esp_timer_obj_t *self = self_in;
mp_printf(print, "Timer(%p)", &self->timer);
}
STATIC mp_obj_t esp_timer_make_new(const mp_obj_type_t *type, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 1, 1, false);
esp_timer_obj_t *tim = m_new_obj(esp_timer_obj_t);
tim->base.type = &esp_timer_type;
return tim;
}
STATIC void esp_timer_cb(void *arg) {
esp_timer_obj_t *self = arg;
call_function_1_protected(self->callback, self);
}
STATIC mp_obj_t esp_timer_init_helper(esp_timer_obj_t *self, mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
static const mp_arg_t allowed_args[] = {
// { MP_QSTR_freq, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_period, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0xffffffff} },
{ MP_QSTR_mode, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} },
{ MP_QSTR_callback, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_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);
self->callback = args[2].u_obj;
os_timer_setfn(&self->timer, esp_timer_cb, self);
os_timer_arm(&self->timer, args[0].u_int, args[1].u_int);
return mp_const_none;
}
STATIC mp_obj_t esp_timer_init(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
return esp_timer_init_helper(args[0], n_args - 1, args + 1, kw_args);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(esp_timer_init_obj, 1, esp_timer_init);
STATIC mp_obj_t esp_timer_deinit(mp_obj_t self_in) {
esp_timer_obj_t *self = self_in;
os_timer_disarm(&self->timer);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_timer_deinit_obj, esp_timer_deinit);
STATIC const mp_map_elem_t esp_timer_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&esp_timer_deinit_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&esp_timer_init_obj },
// { MP_OBJ_NEW_QSTR(MP_QSTR_callback), (mp_obj_t)&esp_timer_callback_obj },
};
STATIC MP_DEFINE_CONST_DICT(esp_timer_locals_dict, esp_timer_locals_dict_table);
const mp_obj_type_t esp_timer_type = {
{ &mp_type_type },
.name = MP_QSTR_Timer,
.print = esp_timer_print,
.make_new = esp_timer_make_new,
.locals_dict = (mp_obj_t)&esp_timer_locals_dict,
};
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_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_Timer), MP_ROM_PTR(&esp_timer_type) },
};
STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);
......
......@@ -147,3 +147,11 @@ Q(ticks_us)
Q(ticks_cpu)
Q(ticks_diff)
Q(time)
// machine
Q(Timer)
Q(callback)
Q(deinit)
Q(init)
Q(mode)
Q(period)
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