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nrf5/modules/ubluepy: Updating peripheral object to handle characteristic discovery (central mode).

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This commit is contained in:
Glenn Ruben Bakke 2017-03-30 22:46:45 +02:00
parent 31a71517ab
commit bd2981681f
1 changed files with 56 additions and 5 deletions
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61
nrf5/modules/ubluepy/ubluepy_peripheral.c
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@ -37,7 +37,8 @@
STATIC void ubluepy_peripheral_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
ubluepy_peripheral_obj_t * self = (ubluepy_peripheral_obj_t *)o;
(void)self;
mp_printf(print, "Peripheral");
mp_printf(print, "Peripheral(conn_handle: " HEX2_FMT ")",
self->conn_handle);
}
STATIC void gap_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t conn_handle, uint16_t length, uint8_t * data) {
@ -269,11 +270,40 @@ void static disc_add_service(mp_obj_t self, ble_drv_service_data_t * p_service_d
p_uuid->value[0] = p_service_data->uuid & 0xFF;
p_uuid->value[1] = p_service_data->uuid >> 8;
p_service->handle = p_service_data->start_handle;
p_service->handle = p_service_data->start_handle;
p_service->start_handle = p_service_data->start_handle;
p_service->end_handle = p_service_data->end_handle;
p_service->char_list = mp_obj_new_list(0, NULL);
peripheral_add_service(self, MP_OBJ_FROM_PTR(p_service));
}
void static disc_add_char(mp_obj_t service_in, ble_drv_char_data_t * p_desc_data) {
ubluepy_service_obj_t * p_service = MP_OBJ_TO_PTR(service_in);
ubluepy_characteristic_obj_t * p_char = m_new_obj(ubluepy_characteristic_obj_t);
p_char->base.type = &ubluepy_characteristic_type;
ubluepy_uuid_obj_t * p_uuid = m_new_obj(ubluepy_uuid_obj_t);
p_uuid->base.type = &ubluepy_uuid_type;
p_char->p_uuid = p_uuid;
p_uuid->type = p_desc_data->uuid_type;
p_uuid->value[0] = p_desc_data->uuid & 0xFF;
p_uuid->value[1] = p_desc_data->uuid >> 8;
// add characteristic specific data from discovery
p_char->props = p_desc_data->props;
p_char->handle = p_desc_data->value_handle;
// equivalent to ubluepy_service.c - service_add_characteristic()
// except the registration of the characteristic towards the bluetooth stack
p_char->service_handle = p_service->handle;
p_char->p_service = p_service;
mp_obj_list_append(p_service->char_list, MP_OBJ_FROM_PTR(p_char));
}
/// \method connect(device_address)
/// Connect to device peripheral with the given device address.
@ -281,8 +311,6 @@ void static disc_add_service(mp_obj_t self, ble_drv_service_data_t * p_service_d
STATIC mp_obj_t peripheral_connect(mp_obj_t self_in, mp_obj_t dev_addr) {
ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
(void)self;
if (MP_OBJ_IS_STR(dev_addr)) {
GET_STR_DATA_LEN(dev_addr, str_data, str_len);
if (str_len == 17) { // Example "11:22:33:aa:bb:cc"
@ -313,7 +341,30 @@ STATIC mp_obj_t peripheral_connect(mp_obj_t self_in, mp_obj_t dev_addr) {
;
}
(void)ble_drv_discover_services(self, self->conn_handle, disc_add_service);
bool retval = ble_drv_discover_services(self, self->conn_handle, disc_add_service);
if (retval != true) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
"Error during service discovery"));
}
// For each service perform a characteristic discovery
mp_obj_t * services = NULL;
mp_uint_t num_services;
mp_obj_get_array(self->service_list, &num_services, &services);
for (uint16_t s = 0; s < num_services; s++) {
ubluepy_service_obj_t * p_service = (ubluepy_service_obj_t *)services[s];
bool retval = ble_drv_discover_characteristic(p_service,
self->conn_handle,
p_service->start_handle,
p_service->end_handle,
disc_add_char);
if (retval != true) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
"Error during characteristic discovery"));
}
}
return mp_const_none;
}