kopia lustrzana https://github.com/micropython/micropython
135 wiersze
3.6 KiB
C
135 wiersze
3.6 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2015 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.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <p33Fxxxx.h>
|
|
|
|
#include "py/compile.h"
|
|
#include "py/runtime.h"
|
|
#include "py/gc.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mperrno.h"
|
|
#include "lib/utils/pyexec.h"
|
|
#include "lib/mp-readline/readline.h"
|
|
#include "board.h"
|
|
#include "modpyb.h"
|
|
|
|
#pragma config GWRP = OFF
|
|
#pragma config GSS = GCP_OFF
|
|
#pragma config FNOSC = FRC
|
|
#pragma config FCKSM = CSECMD
|
|
#pragma config OSCIOFNC = ON
|
|
#pragma config POSCMD = NONE
|
|
#pragma config FWDTEN = OFF
|
|
|
|
// maximum heap for device with 8k RAM
|
|
static char heap[4600];
|
|
|
|
int main(int argc, char **argv) {
|
|
// init the CPU and the peripherals
|
|
cpu_init();
|
|
led_init();
|
|
switch_init();
|
|
uart_init();
|
|
|
|
soft_reset:
|
|
|
|
// flash green led for 150ms to indicate boot
|
|
led_state(1, 0);
|
|
led_state(2, 0);
|
|
led_state(3, 1);
|
|
mp_hal_delay_ms(150);
|
|
led_state(3, 0);
|
|
|
|
// init MicroPython runtime
|
|
int stack_dummy;
|
|
MP_STATE_THREAD(stack_top) = (char *)&stack_dummy;
|
|
gc_init(heap, heap + sizeof(heap));
|
|
mp_init();
|
|
mp_hal_init();
|
|
readline_init0();
|
|
|
|
// REPL loop
|
|
for (;;) {
|
|
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
|
|
if (pyexec_raw_repl() != 0) {
|
|
break;
|
|
}
|
|
} else {
|
|
if (pyexec_friendly_repl() != 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
printf("MPY: soft reboot\n");
|
|
mp_deinit();
|
|
goto soft_reset;
|
|
}
|
|
|
|
void gc_collect(void) {
|
|
// TODO possibly need to trace registers
|
|
void *dummy;
|
|
gc_collect_start();
|
|
// Node: stack is ascending
|
|
gc_collect_root(&dummy, ((mp_uint_t)&dummy - (mp_uint_t)MP_STATE_THREAD(stack_top)) / sizeof(mp_uint_t));
|
|
gc_collect_end();
|
|
}
|
|
|
|
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
|
|
mp_raise_OSError(MP_ENOENT);
|
|
}
|
|
|
|
mp_import_stat_t mp_import_stat(const char *path) {
|
|
return MP_IMPORT_STAT_NO_EXIST;
|
|
}
|
|
|
|
mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
|
|
return mp_const_none;
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
|
|
|
|
void nlr_jump_fail(void *val) {
|
|
while (1) {
|
|
;
|
|
}
|
|
}
|
|
|
|
void NORETURN __fatal_error(const char *msg) {
|
|
while (1) {
|
|
;
|
|
}
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
|
|
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
|
|
__fatal_error("Assertion failed");
|
|
}
|
|
#endif
|