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micropython/ports/pic16bit/main.c
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/* | |
* 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/builtin.h" | |
#include "py/compile.h" | |
#include "py/runtime.h" | |
#include "py/gc.h" | |
#include "py/mphal.h" | |
#include "py/mperrno.h" | |
#include "shared/runtime/pyexec.h" | |
#include "shared/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(qstr 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 |