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esp8266/machine_pin: Add "hard" parameter to pin.irq, soft by default.

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This commit is contained in:
Damien George 2017-02-15 17:45:53 +11:00
parent 31ea158557
commit 2507c83b0e
1 changed files with 12 additions and 2 deletions
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12
esp8266/machine_pin.c
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@ -87,11 +87,15 @@ STATIC uint8_t pin_mode[16 + 1];
// forward declaration
STATIC const pin_irq_obj_t pin_irq_obj[16];
// whether the irq is hard or soft
STATIC bool pin_irq_is_hard[16];
void pin_init0(void) {
ETS_GPIO_INTR_DISABLE();
ETS_GPIO_INTR_ATTACH(pin_intr_handler_iram, NULL);
// disable all interrupts
memset(&MP_STATE_PORT(pin_irq_handler)[0], 0, 16 * sizeof(mp_obj_t));
memset(pin_irq_is_hard, 0, sizeof(pin_irq_obj));
for (int p = 0; p < 16; ++p) {
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << p);
SET_TRIGGER(p, 0);
@ -107,7 +111,11 @@ void pin_intr_handler(uint32_t status) {
if (status & 1) {
mp_obj_t handler = MP_STATE_PORT(pin_irq_handler)[p];
if (handler != MP_OBJ_NULL) {
if (pin_irq_is_hard[p]) {
mp_call_function_1_protected(handler, MP_OBJ_FROM_PTR(&pyb_pin_obj[p]));
} else {
mp_sched_schedule(handler, MP_OBJ_FROM_PTR(&pyb_pin_obj[p]));
}
}
}
}
@ -346,10 +354,11 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_high_obj, pyb_pin_high);
// pin.irq(*, trigger, handler=None)
STATIC mp_obj_t pyb_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_trigger, ARG_handler };
enum { ARG_trigger, ARG_handler, ARG_hard };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_trigger, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_handler, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_hard, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
};
pyb_pin_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
@ -367,6 +376,7 @@ STATIC mp_obj_t pyb_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *k
}
ETS_GPIO_INTR_DISABLE();
MP_STATE_PORT(pin_irq_handler)[self->phys_port] = handler;
pin_irq_is_hard[self->phys_port] = args[ARG_hard].u_bool;
SET_TRIGGER(self->phys_port, args[ARG_trigger].u_int);
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << self->phys_port);
ETS_GPIO_INTR_ENABLE();