diff options
Diffstat (limited to 'esp8266/machine_pin.c')
| -rw-r--r-- | esp8266/machine_pin.c | 69 |
1 files changed, 52 insertions, 17 deletions
diff --git a/esp8266/machine_pin.c b/esp8266/machine_pin.c index e10b2cfb79..385551578e 100644 --- a/esp8266/machine_pin.c +++ b/esp8266/machine_pin.c @@ -37,6 +37,7 @@ #include "py/runtime.h" #include "py/gc.h" #include "py/mphal.h" +#include "extmod/virtpin.h" #include "modmachine.h" #define GET_TRIGGER(phys_port) \ @@ -86,11 +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_is_hard)); for (int p = 0; p < 16; ++p) { GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << p); SET_TRIGGER(p, 0); @@ -99,17 +104,23 @@ void pin_init0(void) { } void pin_intr_handler(uint32_t status) { + mp_sched_lock(); gc_lock(); status &= 0xffff; for (int p = 0; status; ++p, status >>= 1) { if (status & 1) { mp_obj_t handler = MP_STATE_PORT(pin_irq_handler)[p]; if (handler != MP_OBJ_NULL) { - mp_call_function_1_protected(handler, MP_OBJ_FROM_PTR(&pyb_pin_obj[p])); + 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])); + } } } } gc_unlock(); + mp_sched_unlock(); } pyb_pin_obj_t *mp_obj_get_pin_obj(mp_obj_t pin_in) { @@ -276,7 +287,7 @@ STATIC mp_obj_t pyb_pin_obj_init_helper(pyb_pin_obj_t *self, mp_uint_t n_args, c } // constructor(id, ...) -STATIC mp_obj_t pyb_pin_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { +mp_obj_t mp_pin_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true); // get the wanted pin object @@ -325,28 +336,27 @@ STATIC mp_obj_t pyb_pin_value(mp_uint_t n_args, const mp_obj_t *args) { } STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_pin_value_obj, 1, 2, pyb_pin_value); -// pin.low() -STATIC mp_obj_t pyb_pin_low(mp_obj_t self_in) { +STATIC mp_obj_t pyb_pin_off(mp_obj_t self_in) { pyb_pin_obj_t *self = self_in; pin_set(self->phys_port, 0); return mp_const_none; } -STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_low_obj, pyb_pin_low); +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_off_obj, pyb_pin_off); -// pin.high() -STATIC mp_obj_t pyb_pin_high(mp_obj_t self_in) { +STATIC mp_obj_t pyb_pin_on(mp_obj_t self_in) { pyb_pin_obj_t *self = self_in; pin_set(self->phys_port, 1); return mp_const_none; } -STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_high_obj, pyb_pin_high); +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_on_obj, pyb_pin_on); -// pin.irq(*, trigger, handler=None) +// pin.irq(handler=None, trigger=IRQ_FALLING|IRQ_RISING, hard=False) 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_handler, ARG_trigger, 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_handler, MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_trigger, MP_ARG_INT, {.u_int = GPIO_PIN_INTR_POSEDGE | GPIO_PIN_INTR_NEGEDGE} }, + { MP_QSTR_hard, 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)]; @@ -356,15 +366,18 @@ STATIC mp_obj_t pyb_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *k nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "pin does not have IRQ capabilities")); } - if (args[ARG_trigger].u_int != 0) { + if (n_args > 1 || kw_args->used != 0) { // configure irq mp_obj_t handler = args[ARG_handler].u_obj; + uint32_t trigger = args[ARG_trigger].u_int; if (handler == mp_const_none) { handler = MP_OBJ_NULL; + trigger = 0; } ETS_GPIO_INTR_DISABLE(); MP_STATE_PORT(pin_irq_handler)[self->phys_port] = handler; - SET_TRIGGER(self->phys_port, args[ARG_trigger].u_int); + pin_irq_is_hard[self->phys_port] = args[ARG_hard].u_bool; + SET_TRIGGER(self->phys_port, trigger); GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << self->phys_port); ETS_GPIO_INTR_ENABLE(); } @@ -374,12 +387,29 @@ STATIC mp_obj_t pyb_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *k } STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_pin_irq_obj, 1, pyb_pin_irq); +STATIC mp_uint_t pin_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode); +STATIC mp_uint_t pin_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) { + (void)errcode; + pyb_pin_obj_t *self = self_in; + + switch (request) { + case MP_PIN_READ: { + return pin_get(self->phys_port); + } + case MP_PIN_WRITE: { + pin_set(self->phys_port, arg); + return 0; + } + } + return -1; +} + STATIC const mp_map_elem_t pyb_pin_locals_dict_table[] = { // instance methods { MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_pin_init_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_value), (mp_obj_t)&pyb_pin_value_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_low), (mp_obj_t)&pyb_pin_low_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_high), (mp_obj_t)&pyb_pin_high_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_off), (mp_obj_t)&pyb_pin_off_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_on), (mp_obj_t)&pyb_pin_on_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_irq), (mp_obj_t)&pyb_pin_irq_obj }, // class constants @@ -396,12 +426,17 @@ STATIC const mp_map_elem_t pyb_pin_locals_dict_table[] = { STATIC MP_DEFINE_CONST_DICT(pyb_pin_locals_dict, pyb_pin_locals_dict_table); +STATIC const mp_pin_p_t pin_pin_p = { + .ioctl = pin_ioctl, +}; + const mp_obj_type_t pyb_pin_type = { { &mp_type_type }, .name = MP_QSTR_Pin, .print = pyb_pin_print, - .make_new = pyb_pin_make_new, + .make_new = mp_pin_make_new, .call = pyb_pin_call, + .protocol = &pin_pin_p, .locals_dict = (mp_obj_t)&pyb_pin_locals_dict, }; |