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esp8266: Provide a dedicated variable to disable ets_loop_iter.

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So ets_loop_iter is now only disabled when using machine.disable_irq.
This commit is contained in:
Damien George
2016-06-01 17:26:49 +01:00
parent 752e952096
commit 927388e80e
3 changed files with 16 additions and 5 deletions
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14
esp8266/modmachine.c
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@@ -191,13 +191,21 @@ const mp_obj_type_t esp_timer_type = {
.locals_dict = (mp_obj_t)&esp_timer_locals_dict,
};
// this bit is unused in the Xtensa PS register
#define ETS_LOOP_ITER_BIT (12)
STATIC mp_obj_t machine_disable_irq(void) {
return mp_obj_new_int(disable_irq());
uint32_t state = disable_irq();
state = (state & ~(1 << ETS_LOOP_ITER_BIT)) | (ets_loop_iter_disable << ETS_LOOP_ITER_BIT);
ets_loop_iter_disable = 1;
return mp_obj_new_int(state);
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq);
STATIC mp_obj_t machine_enable_irq(mp_obj_t state) {
enable_irq(mp_obj_get_int(state));
STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
uint32_t state = mp_obj_get_int(state_in);
ets_loop_iter_disable = (state >> ETS_LOOP_ITER_BIT) & 1;
enable_irq(state & ~(1 << ETS_LOOP_ITER_BIT));
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);