diff options
Diffstat (limited to 'esp8266/modmachine.c')
| -rw-r--r-- | esp8266/modmachine.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/esp8266/modmachine.c b/esp8266/modmachine.c index 26494ac28e..36872c9dff 100644 --- a/esp8266/modmachine.c +++ b/esp8266/modmachine.c @@ -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); |