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ble client: fixed read characteristic value

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mila@ringwald.ch 2014-03-18 23:12:33 +00:00
parent 5917aae927
commit 897794de24
1 changed files with 28 additions and 6 deletions
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34
example/libusb/ble_client.c
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@ -164,7 +164,7 @@ static le_command_status_t att_read_by_type_or_group_request(uint16_t request_ty
static le_command_status_t att_read_request(uint16_t request_type, int16_t peripheral_handle, uint16_t attribute_handle){
if (!l2cap_can_send_conectionless_packet_now()) return BLE_PERIPHERAL_BUSY;
\
uint8_t request[3];
request[0] = request_type;
bt_store_16(request, 1, attribute_handle);
@ -207,7 +207,7 @@ static le_command_status_t send_gatt_characteristic_descriptor_request(le_periph
}
static le_command_status_t send_gatt_read_characteristic_value_request(le_peripheral_t *peripheral){
return att_read_request(ATT_READ_REQUEST, peripheral->handle, peripheral->query_start_handle);
return att_read_request(ATT_READ_REQUEST, peripheral->handle, peripheral->characteristic_value_handle);
}
static inline void send_gatt_complete_event(le_peripheral_t * peripheral, uint8_t type, uint8_t status){
@ -587,7 +587,7 @@ le_command_status_t le_central_discover_characteristic_descriptors(le_peripheral
le_command_status_t le_central_read_value_of_characteristic_using_value_handle(le_peripheral_t *peripheral, uint16_t value_handle){
if (peripheral->state != P_CONNECTED) return BLE_PERIPHERAL_IN_WRONG_STATE;
peripheral->start_group_handle = value_handle;
peripheral->characteristic_value_handle = value_handle;
peripheral->state = P_W2_SEND_READ_CHARACTERISTIC_VALUE_QUERY;
gatt_client_run();
return BLE_PERIPHERAL_OK;
@ -988,6 +988,7 @@ static void att_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *pa
}
break;
case ATT_READ_RESPONSE:
switch (peripheral->state){
case P_W4_INCLUDED_SERVICE_UUID_WITH_QUERY_RESULT: {
uint8_t uuid128[16];
@ -1121,6 +1122,17 @@ static void dump_descriptor(le_characteristic_descriptor_t * descriptor){
printf(" *** descriptor *** handle 0x%02x, uuid16 0x%02x\n", descriptor->handle, descriptor->uuid16);
}
static void dump_characteristic_value(le_characteristic_value_event_t * event){
printf(" *** found characteristic value *** ");
int i;
for (i = 0; i < event->characteristic_value_length; i++){
printf("%02x ", event->characteristic_value[i]);
}
printf("\n");
}
le_peripheral_t test_device;
le_service_t services[100];
le_characteristic_t characteristics[100];
@ -1151,6 +1163,8 @@ typedef enum {
TC_W4_INCLUDED_SERVICE_RESULT,
TC_W4_READ_CHARACTERISTIC_VALUE_RESULT,
TC_W4_DISCONNECT,
TC_DISCONNECTED
@ -1301,15 +1315,23 @@ static void handle_le_central_event(le_central_event_t * event){
le_central_find_included_services_for_service(&test_device, &service);
break;
}
tc_state = TC_W4_DISCONNECT;
printf("\n\n test client - DISCONNECT ");
le_central_disconnect(&test_device);
printf("\n test client - VALUE for CHARACTERISTIC \n");
dump_characteristic(&characteristics[0]);
tc_state = TC_W4_READ_CHARACTERISTIC_VALUE_RESULT;
le_central_read_value_of_characteristic(&test_device, &characteristics[0]);
break;
default:
break;
}
break;
case TC_W4_READ_CHARACTERISTIC_VALUE_RESULT:
if (event->type != GATT_CHARACTERISTIC_VALUE_QUERY_COMPLETE) break;
dump_characteristic_value((le_characteristic_value_event_t *)event);
tc_state = TC_W4_DISCONNECT;
printf("\n\n test client - DISCONNECT ");
le_central_disconnect(&test_device);
break;
case TC_W4_DISCONNECT:
if (event->type != GATT_CONNECTION_COMPLETE ) break;
printf(" DONE\n");