esp8266/modmachine: idle(): Return number of CPU cycles spent idling.
Useful to better understand esp8266 inner workings and compare behavior in different cases.esp8266-idle-ticks
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3fe047f08f
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3dca369d31
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@ -86,8 +86,10 @@ STATIC mp_obj_t machine_unique_id(void) {
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
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STATIC mp_obj_t machine_idle(void) {
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STATIC mp_obj_t machine_idle(void) {
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uint32_t t = mp_hal_ticks_cpu();
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asm("waiti 0");
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asm("waiti 0");
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return mp_const_none;
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t = mp_hal_ticks_cpu() - t;
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return MP_OBJ_NEW_SMALL_INT(t);
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
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