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micropython/ports/mimxrt/main.c
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/* | |
* This file is part of the MicroPython project, http://micropython.org/ | |
* | |
* The MIT License (MIT) | |
* | |
* Copyright (c) 2019 Damien P. George | |
* Copyright (c) 2020 Jim Mussared | |
* | |
* 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 "py/compile.h" | |
#include "py/runtime.h" | |
#include "py/gc.h" | |
#include "py/mperrno.h" | |
#include "py/stackctrl.h" | |
#include "shared/readline/readline.h" | |
#include "shared/runtime/gchelper.h" | |
#include "shared/runtime/pyexec.h" | |
#include "shared/runtime/softtimer.h" | |
#include "shared/tinyusb/mp_usbd.h" | |
#include "ticks.h" | |
#include "led.h" | |
#include "pendsv.h" | |
#include "modmachine.h" | |
#if MICROPY_PY_LWIP | |
#include "lwip/init.h" | |
#include "lwip/apps/mdns.h" | |
#if MICROPY_PY_NETWORK_CYW43 | |
#include "lib/cyw43-driver/src/cyw43.h" | |
#endif | |
#endif | |
#if MICROPY_PY_BLUETOOTH | |
#include "mpbthciport.h" | |
#include "extmod/modbluetooth.h" | |
#endif | |
#include "systick.h" | |
#include "extmod/modnetwork.h" | |
extern uint8_t _sstack, _estack, _gc_heap_start, _gc_heap_end; | |
void board_init(void); | |
int main(void) { | |
board_init(); | |
ticks_init(); | |
pendsv_init(); | |
#if MICROPY_PY_LWIP | |
// lwIP doesn't allow to reinitialise itself by subsequent calls to this function | |
// because the system timeout list (next_timeout) is only ever reset by BSS clearing. | |
// So for now we only init the lwIP stack once on power-up. | |
lwip_init(); | |
#if LWIP_MDNS_RESPONDER | |
mdns_resp_init(); | |
#endif | |
systick_enable_dispatch(SYSTICK_DISPATCH_LWIP, mod_network_lwip_poll_wrapper); | |
#endif | |
#if MICROPY_PY_BLUETOOTH | |
mp_bluetooth_hci_init(); | |
#endif | |
#if MICROPY_PY_NETWORK_CYW43 | |
{ | |
cyw43_init(&cyw43_state); | |
uint8_t buf[8]; | |
memcpy(&buf[0], "PYBD", 4); | |
mp_hal_get_mac_ascii(MP_HAL_MAC_WLAN0, 8, 4, (char *)&buf[4]); | |
cyw43_wifi_ap_set_ssid(&cyw43_state, 8, buf); | |
cyw43_wifi_ap_set_auth(&cyw43_state, CYW43_AUTH_WPA2_MIXED_PSK); | |
cyw43_wifi_ap_set_password(&cyw43_state, 8, (const uint8_t *)"pybd0123"); | |
} | |
#endif | |
for (;;) { | |
#if defined(MICROPY_HW_LED1_PIN) | |
led_init(); | |
#endif | |
mp_stack_set_top(&_estack); | |
mp_stack_set_limit(&_estack - &_sstack - 1024); | |
gc_init(&_gc_heap_start, &_gc_heap_end); | |
mp_init(); | |
#if MICROPY_PY_NETWORK | |
mod_network_init(); | |
#endif | |
// Initialise sub-systems. | |
readline_init0(); | |
// Execute _boot.py to set up the filesystem. | |
pyexec_frozen_module("_boot.py", false); | |
// Execute user scripts. | |
int ret = pyexec_file_if_exists("boot.py"); | |
#if MICROPY_HW_ENABLE_USBDEV | |
mp_usbd_init(); | |
#endif | |
if (ret & PYEXEC_FORCED_EXIT) { | |
goto soft_reset_exit; | |
} | |
// Do not execute main.py if boot.py failed | |
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL && ret != 0) { | |
ret = pyexec_file_if_exists("main.py"); | |
if (ret & PYEXEC_FORCED_EXIT) { | |
goto soft_reset_exit; | |
} | |
} | |
for (;;) { | |
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) { | |
if (pyexec_raw_repl() != 0) { | |
break; | |
} | |
} else { | |
if (pyexec_friendly_repl() != 0) { | |
break; | |
} | |
} | |
} | |
soft_reset_exit: | |
mp_printf(MP_PYTHON_PRINTER, "MPY: soft reboot\n"); | |
machine_pin_irq_deinit(); | |
machine_rtc_irq_deinit(); | |
#if MICROPY_PY_MACHINE_I2S | |
machine_i2s_deinit_all(); | |
#endif | |
#if MICROPY_PY_BLUETOOTH | |
mp_bluetooth_deinit(); | |
#endif | |
#if MICROPY_PY_NETWORK | |
mod_network_deinit(); | |
#endif | |
machine_uart_deinit_all(); | |
machine_pwm_deinit_all(); | |
soft_timer_deinit(); | |
gc_sweep_all(); | |
mp_deinit(); | |
} | |
return 0; | |
} | |
void gc_collect(void) { | |
gc_collect_start(); | |
gc_helper_collect_regs_and_stack(); | |
gc_collect_end(); | |
} | |
void nlr_jump_fail(void *val) { | |
for (;;) { | |
} | |
} | |
#ifndef NDEBUG | |
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) { | |
mp_printf(MP_PYTHON_PRINTER, "Assertion '%s' failed, at file %s:%d\n", expr, file, line); | |
for (;;) { | |
} | |
} | |
#endif |