STATIC void mptask_enter_ap_mode (void) {
// append the mac only if it's not the first boot
bool add_mac = !PRCMGetSpecialBit(PRCM_FIRST_BOOT_BIT);
// enable simplelink in ap mode (use the MAC address to make the ssid unique)
wlan_sl_init (ROLE_AP, MICROPY_PORT_WLAN_AP_SSID, strlen(MICROPY_PORT_WLAN_AP_SSID),
MICROPY_PORT_WLAN_AP_SECURITY, MICROPY_PORT_WLAN_AP_KEY, strlen(MICROPY_PORT_WLAN_AP_KEY),
MICROPY_PORT_WLAN_AP_CHANNEL, ANTENNA_TYPE_INTERNAL, add_mac);
}
void pyb_sleep_init0 (void) {
// initialize the sleep objects list
mp_obj_list_init(&MP_STATE_PORT(pyb_sleep_obj_list), 0);
// register and enable the PRCM interrupt
osi_InterruptRegister(INT_PRCM, (P_OSI_INTR_ENTRY)PRCMInterruptHandler, INT_PRIORITY_LVL_1);
// disable all LPDS and hibernate wake up sources (WLAN is disabed/enabled before entering LDPS mode)
MAP_PRCMLPDSWakeupSourceDisable(PRCM_LPDS_GPIO);
MAP_PRCMLPDSWakeupSourceDisable(PRCM_LPDS_TIMER);
MAP_PRCMHibernateWakeupSourceDisable(PRCM_HIB_SLOW_CLK_CTR | PRCM_HIB_GPIO2 | PRCM_HIB_GPIO4 | PRCM_HIB_GPIO13 |
PRCM_HIB_GPIO17 | PRCM_HIB_GPIO11 | PRCM_HIB_GPIO24 | PRCM_HIB_GPIO26);
// check the reset casue (if it's soft reset, leave it as it is)
if (pybsleep_reset_cause != PYB_SLP_SOFT_RESET) {
switch (MAP_PRCMSysResetCauseGet()) {
case PRCM_POWER_ON:
pybsleep_reset_cause = PYB_SLP_PWRON_RESET;
break;
case PRCM_CORE_RESET:
case PRCM_MCU_RESET:
case PRCM_SOC_RESET:
pybsleep_reset_cause = PYB_SLP_HARD_RESET;
break;
case PRCM_WDT_RESET:
pybsleep_reset_cause = PYB_SLP_WDT_RESET;
break;
case PRCM_HIB_EXIT:
if (PRCMGetSpecialBit(PRCM_WDT_RESET_BIT)) {
pybsleep_reset_cause = PYB_SLP_WDT_RESET;
}
else {
pybsleep_reset_cause = PYB_SLP_HIB_RESET;
// set the correct wake reason
switch (MAP_PRCMHibernateWakeupCauseGet()) {
case PRCM_HIB_WAKEUP_CAUSE_SLOW_CLOCK:
pybsleep_wake_reason = PYB_SLP_WAKED_BY_RTC;
// TODO repeat the alarm
break;
case PRCM_HIB_WAKEUP_CAUSE_GPIO:
pybsleep_wake_reason = PYB_SLP_WAKED_BY_GPIO;
break;
default:
break;
}
}
break;
default:
break;
}
}
}
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;
mptask_pre_init();
#ifndef DEBUG
safeboot = PRCMGetSpecialBit(PRCM_SAFE_BOOT_BIT);
#endif
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();
mp_irq_init0();
pyb_sleep_init0();
pin_init0();
mperror_init0();
uart_init0();
timer_init0();
readline_init0();
mod_network_init0();
moduos_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, "PYB: 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();
// wait for pending transactions to complete
mp_hal_delay_ms(20);
goto soft_reset;
}
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;
mptask_pre_init();
#ifndef DEBUG
safeboot = PRCMGetSpecialBit(PRCM_SAFE_BOOT_BIT);
#endif
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();
timer_init0();
readline_init0();
mod_network_init0();
#if MICROPY_HW_ENABLE_RNG
rng_init0();
#endif
#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 *)&MICROPY_STDIO_UART_TX_PIN, MICROPY_STDIO_UART_TX_PIN_AF, 0, PIN_TYPE_STD_PU, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&MICROPY_STDIO_UART_RX_PIN, MICROPY_STDIO_UART_RX_PIN_AF, 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();
}
// 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
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));
}
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");
// disable all peripherals that could trigger a callback
pyb_rtc_callback_disable(NULL);
timer_disable_all();
uart_disable_all();
// flush the serial flash buffer
sflash_disk_flush();
// clean-up the user socket space
modusocket_close_all_user_sockets();
#if MICROPY_HW_HAS_SDCARD
pybsd_disable();
#endif
// wait for pending transactions to complete
HAL_Delay(20);
goto soft_reset;
}