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pkg/semtech-loramac: update send function snippet

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If the send fails, just return. This avoid recv to be stuck afterward and shows a good practice
This commit is contained in:
Alexandre Abadie 2019-04-10 08:20:40 +02:00
parent 2c76637abe
commit 1f57c0bd2e
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1 changed files with 5 additions and 1 deletions
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6
pkg/semtech-loramac/doc.txt
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@ -89,7 +89,11 @@
* *
* /* 4. send some data */ * /* 4. send some data */
* char *message = "This is RIOT"; * char *message = "This is RIOT";
* semtech_loramac_send(&loramac, (uint8_t *)message, strlen(message)); * if (semtech_loramac_send(&loramac,
* (uint8_t *)message, strlen(message)) != SEMTECH_LORAMAC_TX_OK) {
printf("Cannot send message '%s'\n", message);
* return 1;
* }
* *
* /* 5. wait for any potentially received data */ * /* 5. wait for any potentially received data */
* if (semtech_loramac_recv(&loramac) == SEMTECH_LORAMAC_DATA_RECEIVED) { * if (semtech_loramac_recv(&loramac) == SEMTECH_LORAMAC_DATA_RECEIVED) {