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samd/modmachine: Add machine.reset_cause().

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robert-hh 2022-06-29 14:09:57 +02:00 committed by Damien George
parent 1c32cec7f1
commit 64e3c351de
1 changed files with 21 additions and 0 deletions
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21
ports/samd/modmachine.c
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@ -139,6 +139,17 @@ STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
}
MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
STATIC mp_obj_t machine_reset_cause(void) {
#if defined(MCU_SAMD21)
return MP_OBJ_NEW_SMALL_INT(PM->RCAUSE.reg);
#elif defined(MCU_SAMD51)
return MP_OBJ_NEW_SMALL_INT(RSTC->RCAUSE.reg);
#else
return MP_OBJ_NEW_SMALL_INT(0);
#endif
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause);
STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
@ -165,8 +176,18 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) },
{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
{ MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) },
{ MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) },
{ MP_ROM_QSTR(MP_QSTR_bitstream), MP_ROM_PTR(&machine_bitstream_obj) },
// Class constants.
// Use numerical constants instead of the symbolic names,
// since the names differ between SAMD21 and SAMD51.
{ MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(0x01) },
{ MP_ROM_QSTR(MP_QSTR_HARD_RESET), MP_ROM_INT(0x10) },
{ MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(0x20) },
{ MP_ROM_QSTR(MP_QSTR_SOFT_RESET), MP_ROM_INT(0x40) },
{ MP_ROM_QSTR(MP_QSTR_DEEPSLEEP_RESET), MP_ROM_INT(0x80) },
};
STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);