STATIC mp_obj_t mod_wipy_heartbeat(size_t n_args, const mp_obj_t *args) {
if (n_args) {
mperror_enable_heartbeat (mp_obj_is_true(args[0]));
return mp_const_none;
} else {
return mp_obj_new_bool(mperror_is_heartbeat_enabled());
}
}
void TASK_Micropython (void *pvParameters) {
// initialize the garbage collector with the top of our stack
uint32_t sp = gc_helper_get_sp();
gc_collect_init (sp);
bool safeboot = false;
FRESULT res;
mptask_pre_init();
soft_reset:
// 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
mpexception_init0();
mpcallback_init0();
pybsleep_init0();
mperror_init0();
uart_init0();
pin_init0();
readline_init0();
mod_network_init0();
#if MICROPY_HW_ENABLE_RNG
rng_init0();
#endif
// we are alive, so let the world know it
mperror_enable_heartbeat();
#ifdef LAUNCHXL
// configure the stdio uart pins with the correct alternate functions
// param 3 ("mode") is DON'T CARE" for AFs others than GPIO
pin_config ((pin_obj_t *)&pin_GPIO1, PIN_MODE_3, 0, PIN_TYPE_STD_PU, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&pin_GPIO2, PIN_MODE_3, 0, PIN_TYPE_STD_PU, PIN_STRENGTH_2MA);
// instantiate the stdio uart
mp_obj_t args[2] = {
mp_obj_new_int(MICROPY_STDIO_UART),
mp_obj_new_int(MICROPY_STDIO_UART_BAUD),
};
pyb_stdio_uart = pyb_uart_type.make_new((mp_obj_t)&pyb_uart_type, MP_ARRAY_SIZE(args), 0, args);
// create a callback for the uart, in order to enable the rx interrupts
uart_callback_new (pyb_stdio_uart, mp_const_none, MICROPY_STDIO_UART_RX_BUF_SIZE, INT_PRIORITY_LVL_3);
#else
pyb_stdio_uart = MP_OBJ_NULL;
#endif
pybsleep_reset_cause_t rstcause = pybsleep_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();
#ifndef DEBUG
safeboot = PRCMIsSafeBootRequested();
#endif
}
// 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(pyb_config_main) = MP_OBJ_NULL;
if (!safeboot) {
// run boot.py, if it exists
const char *boot_py = "boot.py";
res = f_stat(boot_py, NULL);
if (res == FR_OK) {
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(pyb_config_main) == MP_OBJ_NULL) {
main_py = "main.py";
} else {
main_py = mp_obj_str_get_str(MP_STATE_PORT(pyb_config_main));
}
res = f_stat(main_py, NULL);
if (res == FR_OK) {
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
pybsleep_signal_soft_reset();
mp_printf(&mp_plat_print, "PYB: soft reboot\n");
sflash_disk_flush();
#if MICROPY_HW_HAS_SDCARD
pybsd_deinit();
#endif
goto soft_reset;
}