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example/le_streamer_client: use gatt_client_request_to_write_without_response

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This commit is contained in:
Matthias Ringwald 2023-01-23 15:00:42 +01:00
parent 1fa7278ece
commit 4d638bb77f
1 changed files with 32 additions and 24 deletions

56
example/le_streamer_client.c

@ -57,8 +57,16 @@
#include "btstack.h" #include "btstack.h"
// prototypes typedef struct {
static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); char name;
int le_notification_enabled;
int counter;
char test_data[200];
int test_data_len;
uint32_t test_data_sent;
uint32_t test_data_start;
btstack_context_callback_registration_t write_without_response_request;
} le_streamer_connection_t;
typedef enum { typedef enum {
TC_OFF, TC_OFF,
@ -96,6 +104,11 @@ static int listener_registered;
static gc_state_t state = TC_OFF; static gc_state_t state = TC_OFF;
static btstack_packet_callback_registration_t hci_event_callback_registration; static btstack_packet_callback_registration_t hci_event_callback_registration;
// prototypes
static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void le_streamer_handle_can_write_without_response(void * context);
static void le_streamer_client_request_to_send(le_streamer_connection_t * connection);
/* /*
* @section Track throughput * @section Track throughput
* @text We calculate the throughput by setting a start time and measuring the amount of * @text We calculate the throughput by setting a start time and measuring the amount of
@ -115,16 +128,6 @@ static btstack_packet_callback_registration_t hci_event_callback_registration;
#define REPORT_INTERVAL_MS 3000 #define REPORT_INTERVAL_MS 3000
// support for multiple clients // support for multiple clients
typedef struct {
char name;
int le_notification_enabled;
int counter;
char test_data[200];
int test_data_len;
uint32_t test_data_sent;
uint32_t test_data_start;
} le_streamer_connection_t;
static le_streamer_connection_t le_streamer_connection; static le_streamer_connection_t le_streamer_connection;
static void test_reset(le_streamer_connection_t * context){ static void test_reset(le_streamer_connection_t * context){
@ -149,28 +152,33 @@ static void test_track_data(le_streamer_connection_t * context, int bytes_sent){
/* LISTING_END(tracking): Tracking throughput */ /* LISTING_END(tracking): Tracking throughput */
// stramer // streamer
static void streamer(le_streamer_connection_t * context){ static void le_streamer_handle_can_write_without_response(void * context){
if (connection_handle == HCI_CON_HANDLE_INVALID) return; le_streamer_connection_t * connection = (le_streamer_connection_t *) context;
// create test data // create test data
context->counter++; connection->counter++;
if (context->counter > 'Z') context->counter = 'A'; if (connection->counter > 'Z') connection->counter = 'A';
memset(context->test_data, context->counter, context->test_data_len); memset(connection->test_data, connection->counter, connection->test_data_len);
// send // send
uint8_t status = gatt_client_write_value_of_characteristic_without_response(connection_handle, le_streamer_characteristic_rx.value_handle, context->test_data_len, (uint8_t*) context->test_data); uint8_t status = gatt_client_write_value_of_characteristic_without_response(connection_handle, le_streamer_characteristic_rx.value_handle, connection->test_data_len, (uint8_t*) connection->test_data);
if (status){ if (status){
printf("Write without response failed, status 0x%02x.\n", status); printf("Write without response failed, status 0x%02x.\n", status);
return; return;
} else { } else {
test_track_data(&le_streamer_connection, context->test_data_len); test_track_data(connection, connection->test_data_len);
} }
// request again // request again
gatt_client_request_can_write_without_response_event(handle_gatt_client_event, connection_handle); le_streamer_client_request_to_send(connection);
} }
static void le_streamer_client_request_to_send(le_streamer_connection_t * connection){
connection->write_without_response_request.callback = &le_streamer_handle_can_write_without_response;
connection->write_without_response_request.context = connection;
gatt_client_request_to_write_without_response(&connection->write_without_response_request, connection_handle);
}
// returns 1 if name is found in advertisement // returns 1 if name is found in advertisement
static int advertisement_report_contains_name(const char * name, uint8_t * advertisement_report){ static int advertisement_report_contains_name(const char * name, uint8_t * advertisement_report){
@ -285,7 +293,7 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
state = TC_W4_TEST_DATA; state = TC_W4_TEST_DATA;
#if (TEST_MODE & TEST_MODE_WRITE_WITHOUT_RESPONSE) #if (TEST_MODE & TEST_MODE_WRITE_WITHOUT_RESPONSE)
printf("Start streaming - request can send now.\n"); printf("Start streaming - request can send now.\n");
gatt_client_request_can_write_without_response_event(handle_gatt_client_event, connection_handle); le_streamer_client_request_to_send(&le_streamer_connection);
#endif #endif
break; break;
default: default:
@ -301,7 +309,7 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
state = TC_W4_TEST_DATA; state = TC_W4_TEST_DATA;
#if (TEST_MODE & TEST_MODE_WRITE_WITHOUT_RESPONSE) #if (TEST_MODE & TEST_MODE_WRITE_WITHOUT_RESPONSE)
printf("Start streaming - request can send now.\n"); printf("Start streaming - request can send now.\n");
gatt_client_request_can_write_without_response_event(handle_gatt_client_event, connection_handle); le_streamer_client_request_to_send(&le_streamer_connection);
#endif #endif
break; break;
default: default:
@ -317,7 +325,7 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
case GATT_EVENT_QUERY_COMPLETE: case GATT_EVENT_QUERY_COMPLETE:
break; break;
case GATT_EVENT_CAN_WRITE_WITHOUT_RESPONSE: case GATT_EVENT_CAN_WRITE_WITHOUT_RESPONSE:
streamer(&le_streamer_connection); le_streamer_handle_can_write_without_response(&le_streamer_connection);
break; break;
default: default:
printf("Unknown packet type 0x%02x\n", hci_event_packet_get_type(packet)); printf("Unknown packet type 0x%02x\n", hci_event_packet_get_type(packet));