nrf5/modules: Updating rtc module. Not working yet. Updated to align with new hal_rtc interface. Added start and stop methods. Allowing callback function set from init. This should be moved to start function, not set in main.
This commit is contained in:
Glenn Ruben Bakke
parent
ff7541599a
commit
7144696e17
@ -38,22 +38,44 @@
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typedef struct _machine_rtc_obj_t {
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mp_obj_base_t base;
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RTC_HandleTypeDef *rtc;
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mp_obj_t callback;
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} machine_rtc_obj_t;
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RTC_HandleTypeDef RTCHandle0 = {.instance = NULL, .id = 0};
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RTC_HandleTypeDef RTCHandle1 = {.instance = NULL, .id = 1};
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RTC_HandleTypeDef RTCHandle0 = {.config.p_instance = NULL, .id = 0};
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RTC_HandleTypeDef RTCHandle1 = {.config.p_instance = NULL, .id = 1};
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STATIC const machine_rtc_obj_t machine_rtc_obj[] = {
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{{&machine_rtc_type}, &RTCHandle0},
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{{&machine_rtc_type}, &RTCHandle1},
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};
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STATIC void hal_interrupt_handle(NRF_RTC_Type * p_instance) {
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if (p_instance == RTC0) {
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const machine_rtc_obj_t *self = &machine_rtc_obj[0];
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mp_call_function_0(self->callback);
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} else if (p_instance == RTC1) {
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const machine_rtc_obj_t *self = &machine_rtc_obj[1];
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mp_call_function_0(self->callback);
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}
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#if NRF52
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else if (p_instance == RTC2) {
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const machine_rtc_obj_t *self = &machine_rtc_obj[2];
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mp_call_function_0(self->callback);
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}
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#endif
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}
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void rtc_init0(void) {
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hal_rtc_callback_set(hal_interrupt_handle);
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// reset the RTC handles
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memset(&RTCHandle0, 0, sizeof(RTC_HandleTypeDef));
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RTCHandle0.instance = RTC0;
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RTCHandle0.config.p_instance = RTC0;
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RTCHandle0.config.irq_num = RTC0_IRQ_NUM;
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memset(&RTCHandle1, 0, sizeof(RTC_HandleTypeDef));
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RTCHandle1.instance = RTC1;
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RTCHandle1.config.p_instance = RTC1;
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RTCHandle1.config.irq_num = RTC1_IRQ_NUM;
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}
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STATIC int rtc_find(mp_obj_t id) {
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@ -75,43 +97,94 @@ STATIC void rtc_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind)
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/******************************************************************************/
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/* MicroPython bindings for machine API */
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// for make_new
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enum {
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ARG_NEW_id,
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};
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STATIC mp_obj_t machine_rtc_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_id, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_SMALL_INT(-1)} },
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{ MP_QSTR_id, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_frequency, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_callback, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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if (args[ARG_NEW_id].u_obj == MP_OBJ_NEW_SMALL_INT(-1)) {
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if (args[0].u_obj == MP_OBJ_NEW_SMALL_INT(-1)) {
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// index -1 does not exist
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return mp_const_none;
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// TODO: raise exception
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}
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// get static peripheral object
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int rtc_id = rtc_find(args[ARG_NEW_id].u_obj);
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const machine_rtc_obj_t *self = &machine_rtc_obj[rtc_id];
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int rtc_id = rtc_find(args[0].u_obj);
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hal_rtc_init(self->rtc->instance, &self->rtc->init);
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// unconst machine object in order to set a callback.
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machine_rtc_obj_t * self = (machine_rtc_obj_t *)&machine_rtc_obj[rtc_id];
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mp_obj_t freq_obj = args[1].u_obj;
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if (freq_obj != mp_const_none && MP_OBJ_IS_INT(freq_obj)) {
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self->rtc->config.frequency = mp_obj_get_int(freq_obj);
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} else {
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// raise exception
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}
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if (args[2].u_obj != mp_const_none) {
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self->callback = args[2].u_obj;
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}
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// hardcode priority to 3, to make sure it is less than any bluetooth stack.
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#if (BLUETOOTH_SD == 100)
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self->rtc->config.irq_priority = 3;
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#else
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self->rtc->config.irq_priority = 6;
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#endif
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hal_rtc_init(&self->rtc->config);
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return MP_OBJ_FROM_PTR(self);
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}
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/// \method start(period)
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/// Start the RTC timer. Timeout occurs after number of periods
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/// in the configured frequency has been reached.
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///
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STATIC mp_obj_t machine_rtc_start(mp_obj_t self_in, mp_obj_t period_in) {
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machine_rtc_obj_t * self = MP_OBJ_TO_PTR(self_in);
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mp_int_t period = mp_obj_get_int(period_in);
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hal_rtc_start(&self->rtc->config, period);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(machine_rtc_start_obj, machine_rtc_start);
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/// \method stop()
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/// Stop the RTC timer.
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///
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STATIC mp_obj_t machine_rtc_stop(mp_obj_t self_in) {
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machine_rtc_obj_t * self = MP_OBJ_TO_PTR(self_in);
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hal_rtc_stop(&self->rtc->config);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_rtc_stop_obj, machine_rtc_stop);
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STATIC const mp_map_elem_t machine_rtc_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_start), (mp_obj_t)(&machine_rtc_start_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_stop), (mp_obj_t)(&machine_rtc_stop_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(machine_rtc_locals_dict, machine_rtc_locals_dict_table);
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const mp_obj_type_t machine_rtc_type = {
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{ &mp_type_type },
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.name = MP_QSTR_RTC,
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.print = rtc_print,
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.make_new = machine_rtc_make_new,
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#if 0
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.locals_dict = (mp_obj_t)&machine_rtc_locals_dict
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#endif
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};
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#endif // MICROPY_PY_MACHINE_RTC
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