126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <p33Fxxxx.h>
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "lib/utils/pyexec.h"
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#include "readline.h"
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#include "board.h"
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#include "modpyb.h"
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_FGS(GWRP_OFF & GCP_OFF);
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_FOSCSEL(FNOSC_FRC);
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_FOSC(FCKSM_CSECMD & OSCIOFNC_ON & POSCMD_NONE);
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_FWDT(FWDTEN_OFF);
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// maximum heap for device with 8k RAM
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static char heap[4600];
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int main(int argc, char **argv) {
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// init the CPU and the peripherals
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cpu_init();
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led_init();
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switch_init();
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uart_init();
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soft_reset:
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// flash green led for 150ms to indicate boot
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led_state(1, 0);
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led_state(2, 0);
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led_state(3, 1);
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mp_hal_delay_ms(150);
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led_state(3, 0);
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// init MicroPython runtime
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int stack_dummy;
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MP_STATE_VM(stack_top) = (char*)&stack_dummy;
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gc_init(heap, heap + sizeof(heap));
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mp_init();
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mp_hal_init();
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readline_init0();
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// REPL loop
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for (;;) {
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if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
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if (pyexec_raw_repl() != 0) {
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break;
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}
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} else {
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if (pyexec_friendly_repl() != 0) {
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break;
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}
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}
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}
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printf("PYB: soft reboot\n");
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mp_deinit();
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goto soft_reset;
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}
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void gc_collect(void) {
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// TODO possibly need to trace registers
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void *dummy;
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gc_collect_start();
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// Node: stack is ascending
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gc_collect_root(&dummy, ((mp_uint_t)&dummy - (mp_uint_t)MP_STATE_VM(stack_top)) / sizeof(mp_uint_t));
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gc_collect_end();
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}
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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return NULL;
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}
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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void nlr_jump_fail(void *val) {
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}
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void NORETURN __fatal_error(const char *msg) {
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while (1);
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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