STATIC void mp_reset(void) {
mp_stack_set_top((void*)0x40000000);
mp_stack_set_limit(8192);
mp_hal_init();
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_));
mp_obj_list_init(mp_sys_argv, 0);
#if MICROPY_VFS_FAT
memset(MP_STATE_PORT(fs_user_mount), 0, sizeof(MP_STATE_PORT(fs_user_mount)));
#endif
MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
MP_STATE_PORT(term_obj) = MP_OBJ_NULL;
MP_STATE_PORT(dupterm_arr_obj) = MP_OBJ_NULL;
pin_init0();
readline_init0();
dupterm_task_init();
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("_boot.py");
pyexec_file("boot.py");
pyexec_file("main.py");
#endif
}
STATIC void *thread_entry(void *args_in) {
// Execution begins here for a new thread. We do not have the GIL.
thread_entry_args_t *args = (thread_entry_args_t*)args_in;
mp_state_thread_t ts;
mp_thread_set_state(&ts);
mp_stack_set_top(&ts + 1); // need to include ts in root-pointer scan
mp_stack_set_limit(args->stack_size);
#if MICROPY_ENABLE_PYSTACK
// TODO threading and pystack is not fully supported, for now just make a small stack
mp_obj_t mini_pystack[128];
mp_pystack_init(mini_pystack, &mini_pystack[128]);
#endif
// set locals and globals from the calling context
mp_locals_set(args->dict_locals);
mp_globals_set(args->dict_globals);
MP_THREAD_GIL_ENTER();
// signal that we are set up and running
mp_thread_start();
// TODO set more thread-specific state here:
// mp_pending_exception? (root pointer)
// cur_exception (root pointer)
DEBUG_printf("[thread] start ts=%p args=%p stack=%p\n", &ts, &args, MP_STATE_THREAD(stack_top));
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_call_function_n_kw(args->fun, args->n_args, args->n_kw, args->args);
nlr_pop();
} else {
// uncaught exception
// check for SystemExit
mp_obj_base_t *exc = (mp_obj_base_t*)nlr.ret_val;
if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) {
// swallow exception silently
} else {
// print exception out
mp_printf(MICROPY_ERROR_PRINTER, "Unhandled exception in thread started by ");
mp_obj_print_helper(MICROPY_ERROR_PRINTER, args->fun, PRINT_REPR);
mp_printf(MICROPY_ERROR_PRINTER, "\n");
mp_obj_print_exception(MICROPY_ERROR_PRINTER, MP_OBJ_FROM_PTR(exc));
}
}
DEBUG_printf("[thread] finish ts=%p\n", &ts);
// signal that we are finished
mp_thread_finish();
MP_THREAD_GIL_EXIT();
return NULL;
}
STATIC void mp_reset(void) {
mp_stack_set_top((void*)0x40000000);
mp_stack_set_limit(8192);
mp_hal_init();
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash_slash_lib));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash));
mp_obj_list_init(mp_sys_argv, 0);
MP_STATE_PORT(term_obj) = MP_OBJ_NULL;
MP_STATE_PORT(dupterm_arr_obj) = MP_OBJ_NULL;
#if MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA
extern void esp_native_code_init(void);
esp_native_code_init();
#endif
pin_init0();
readline_init0();
dupterm_task_init();
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("_boot.py");
pyexec_file("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file("main.py");
}
#endif
}
void mp_task(void *pvParameter) {
volatile uint32_t sp = (uint32_t)get_sp();
#if MICROPY_PY_THREAD
mp_thread_init(&mp_task_stack[0], MP_TASK_STACK_LEN);
#endif
uart_init();
soft_reset:
// initialise the stack pointer for the main thread
mp_stack_set_top((void *)sp);
mp_stack_set_limit(MP_TASK_STACK_SIZE - 1024);
gc_init(mp_task_heap, mp_task_heap + sizeof(mp_task_heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
mp_obj_list_init(mp_sys_argv, 0);
readline_init0();
// initialise peripherals
machine_pins_init();
// run boot-up scripts
pyexec_frozen_module("_boot.py");
pyexec_file("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file("main.py");
}
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
#if MICROPY_PY_THREAD
mp_thread_deinit();
#endif
mp_hal_stdout_tx_str("PYB: soft reboot\r\n");
// deinitialise peripherals
machine_pins_deinit();
mp_deinit();
fflush(stdout);
goto soft_reset;
}
STATIC void mp_reset(void) {
mp_stack_set_top((void*)0x40000000);
mp_stack_set_limit(8192);
mp_hal_init();
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_init(mp_sys_argv, 0);
MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("boot");
#endif
}
STATIC void *thread_entry(void *args_in) {
// Execution begins here for a new thread. We do not have the GIL.
thread_entry_args_t *args = (thread_entry_args_t*)args_in;
mp_state_thread_t ts;
mp_thread_set_state(&ts);
mp_stack_set_top(&ts + 1); // need to include ts in root-pointer scan
mp_stack_set_limit(args->stack_size);
MP_THREAD_GIL_ENTER();
// signal that we are set up and running
mp_thread_start();
// TODO set more thread-specific state here:
// mp_pending_exception? (root pointer)
// cur_exception (root pointer)
// dict_locals? (root pointer) uPy doesn't make a new locals dict for functions, just for classes, so it's different to CPy
DEBUG_printf("[thread] start ts=%p args=%p stack=%p\n", &ts, &args, MP_STATE_THREAD(stack_top));
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_call_function_n_kw(args->fun, args->n_args, args->n_kw, args->args);
nlr_pop();
} else {
// uncaught exception
// check for SystemExit
mp_obj_base_t *exc = (mp_obj_base_t*)nlr.ret_val;
if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) {
// swallow exception silently
} else {
// print exception out
mp_printf(&mp_plat_print, "Unhandled exception in thread started by ");
mp_obj_print_helper(&mp_plat_print, args->fun, PRINT_REPR);
mp_printf(&mp_plat_print, "\n");
mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(exc));
}
}
DEBUG_printf("[thread] finish ts=%p\n", &ts);
// signal that we are finished
mp_thread_finish();
MP_THREAD_GIL_EXIT();
return NULL;
}
STATIC void mp_reset(void) {
mp_stack_set_top((void*)0x40000000);
mp_stack_set_limit(8192);
mp_hal_init();
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_init(mp_sys_argv, 0);
#if MICROPY_VFS_FAT
memset(MP_STATE_PORT(fs_user_mount), 0, sizeof(MP_STATE_PORT(fs_user_mount)));
#endif
MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
MP_STATE_PORT(term_obj) = MP_OBJ_NULL;
pin_init0();
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("_boot");
pyexec_file("boot.py");
pyexec_file("main.py");
#endif
}
STATIC void mp_reset(void) {
mp_stack_set_top((void*)0x40000000);
mp_stack_set_limit(8192);
mp_hal_init();
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_));
mp_obj_list_init(mp_sys_argv, 0);
#if MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA
extern void esp_native_code_init(void);
esp_native_code_init();
#endif
pin_init0();
readline_init0();
dupterm_task_init();
// Activate UART(0) on dupterm slot 1 for the REPL
{
mp_obj_t args[2];
args[0] = MP_OBJ_NEW_SMALL_INT(0);
args[1] = MP_OBJ_NEW_SMALL_INT(115200);
args[0] = pyb_uart_type.make_new(&pyb_uart_type, 2, 0, args);
args[1] = MP_OBJ_NEW_SMALL_INT(1);
extern mp_obj_t os_dupterm(size_t n_args, const mp_obj_t *args);
os_dupterm(2, args);
}
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("_boot.py");
pyexec_file_if_exists("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file_if_exists("main.py");
}
#endif
}
int real_main(void) {
int stack_dummy;
stack_top = (char*)&stack_dummy;
mp_stack_set_top(stack_top);
// Should be set to stack size in prj.mdef minus fuzz factor
mp_stack_set_limit(3584);
soft_reset:
#if MICROPY_ENABLE_GC
gc_init(heap, heap + sizeof(heap));
#endif
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_init(mp_sys_argv, 0);
#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("main.py");
#endif
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
printf("soft reboot\n");
goto soft_reset;
return 0;
}
void mp_task(void *pvParameter) {
volatile uint32_t sp = (uint32_t)get_sp();
#if MICROPY_PY_THREAD
mp_thread_init(&mp_task_stack[0], MP_TASK_STACK_LEN);
#endif
uart_init();
// Allocate the uPy heap using malloc and get the largest available region
size_t mp_task_heap_size = heap_caps_get_largest_free_block(MALLOC_CAP_8BIT);
void *mp_task_heap = malloc(mp_task_heap_size);
soft_reset:
// initialise the stack pointer for the main thread
mp_stack_set_top((void *)sp);
mp_stack_set_limit(MP_TASK_STACK_SIZE - 1024);
gc_init(mp_task_heap, mp_task_heap + mp_task_heap_size);
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
mp_obj_list_init(mp_sys_argv, 0);
readline_init0();
// initialise peripherals
machine_pins_init();
// run boot-up scripts
pyexec_frozen_module("_boot.py");
pyexec_file("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file("main.py");
}
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
vprintf_like_t vprintf_log = esp_log_set_vprintf(vprintf_null);
if (pyexec_raw_repl() != 0) {
break;
}
esp_log_set_vprintf(vprintf_log);
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
#if MICROPY_PY_THREAD
mp_thread_deinit();
#endif
gc_sweep_all();
mp_hal_stdout_tx_str("PYB: soft reboot\r\n");
// deinitialise peripherals
machine_pins_deinit();
usocket_events_deinit();
mp_deinit();
fflush(stdout);
goto soft_reset;
}
void TASK_MicroPython (void *pvParameters) {
// get the top of the stack to initialize the garbage collector
uint32_t sp = gc_helper_get_sp();
bool safeboot = false;
mptask_pre_init();
#ifndef DEBUG
safeboot = PRCMGetSpecialBit(PRCM_SAFE_BOOT_BIT);
#endif
soft_reset:
// Thread init
#if MICROPY_PY_THREAD
mp_thread_init();
#endif
// initialise the stack pointer for the main thread (must be done after mp_thread_init)
mp_stack_set_top((void*)sp);
// GC init
gc_init(&_boot, &_eheap);
// MicroPython init
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_init(mp_sys_argv, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
// execute all basic initializations
mp_irq_init0();
pyb_sleep_init0();
pin_init0();
mperror_init0();
uart_init0();
timer_init0();
readline_init0();
mod_network_init0();
rng_init0();
pybsleep_reset_cause_t rstcause = pyb_sleep_get_reset_cause();
if (rstcause < PYB_SLP_SOFT_RESET) {
if (rstcause == PYB_SLP_HIB_RESET) {
// when waking up from hibernate we just want
// to enable simplelink and leave it as is
wlan_first_start();
}
else {
// only if not comming out of hibernate or a soft reset
mptask_enter_ap_mode();
}
// enable telnet and ftp
servers_start();
}
// initialize the serial flash file system
mptask_init_sflash_filesystem();
// append the flash paths to the system path
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash_slash_lib));
// reset config variables; they should be set by boot.py
MP_STATE_PORT(machine_config_main) = MP_OBJ_NULL;
if (!safeboot) {
// run boot.py
int ret = pyexec_file("boot.py");
if (ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
// flash the system led
mperror_signal_error();
}
}
// now we initialise sub-systems that need configuration from boot.py,
// or whose initialisation can be safely deferred until after running
// boot.py.
// at this point everything is fully configured and initialised.
if (!safeboot) {
// run the main script from the current directory.
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
const char *main_py;
if (MP_STATE_PORT(machine_config_main) == MP_OBJ_NULL) {
main_py = "main.py";
} else {
main_py = mp_obj_str_get_str(MP_STATE_PORT(machine_config_main));
}
int ret = pyexec_file(main_py);
if (ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
// flash the system led
mperror_signal_error();
}
}
}
// main script is finished, so now go into REPL mode.
// the REPL mode can change, or it can request a soft reset.
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:
// soft reset
pyb_sleep_signal_soft_reset();
mp_printf(&mp_plat_print, "MPY: soft reboot\n");
// disable all callbacks to avoid undefined behaviour
// when coming out of a soft reset
mp_irq_disable_all();
// cancel the RTC alarm which might be running independent of the irq state
pyb_rtc_disable_alarm();
// flush the serial flash buffer
sflash_disk_flush();
// clean-up the user socket space
modusocket_close_all_user_sockets();
// unmount all user file systems
osmount_unmount_all();
// wait for pending transactions to complete
mp_hal_delay_ms(20);
goto soft_reset;
}
