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Bluetooth: Tests: Wait for sync from other devices only

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The sync mechanism using Babblesim backchannels picked up self-sent
messages. Use the device number as data to disambiguate messages from
other devices.

Signed-off-by: Herman Berget <herman.berget@nordicsemi.no>
This commit is contained in:
Herman Berget 2022-04-07 15:47:43 +02:00 • committed by Carles Cufí
commit e5004d9261
1 changed files with 13 additions and 3 deletions
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16
tests/bluetooth/bsim_bt/bsim_test_gatt_caching/src/common.c
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@ -21,6 +21,7 @@ void test_init(void)
}
#define CHANNEL_ID 0
#define MSG_SIZE 1
void backchannel_init(void)
{
@ -39,8 +40,7 @@ void backchannel_init(void)
void backchannel_sync_send(void)
{
/* Dummy message */
uint8_t sync_msg[] = { 'A' };
uint8_t sync_msg[MSG_SIZE] = { get_device_nbr() };
printk("Sending sync\n");
bs_bc_send_msg(CHANNEL_ID, sync_msg, ARRAY_SIZE(sync_msg));
@ -48,7 +48,17 @@ void backchannel_sync_send(void)
void backchannel_sync_wait(void)
{
while (!bs_bc_is_msg_received(CHANNEL_ID)) {
uint8_t sync_msg[MSG_SIZE];
while (true) {
if (bs_bc_is_msg_received(CHANNEL_ID) > 0) {
bs_bc_receive_msg(CHANNEL_ID, sync_msg, ARRAY_SIZE(sync_msg));
if (sync_msg[0] != get_device_nbr()) {
/* Received a message from another device, exit */
break;
}
}
k_sleep(K_MSEC(1));
}