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c-api : add toggleRxProtocol() (#60)

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This function allows to enable/disable Rx protocols during the decoding
process. This is useful when the Tx/Rx protocol is known in advance.
This commit is contained in:
Georgi Gerganov
2021-11-22 21:29:26 +02:00
committed by GitHub
parent 7b39e51440
commit bbacdbcc96
7 changed files with 96 additions and 4 deletions
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16
tests/test-ggwave.c
View File

@@ -27,10 +27,10 @@ int main() {
const char * payload = "test";
char decoded[16];
int n = ggwave_encode(instance, payload, 4, GGWAVE_TX_PROTOCOL_AUDIBLE_FAST, 50, NULL, 1);
int n = ggwave_encode(instance, payload, 4, GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST, 50, NULL, 1);
char waveform[n];
int ne = ggwave_encode(instance, payload, 4, GGWAVE_TX_PROTOCOL_AUDIBLE_FAST, 50, waveform, 0);
int ne = ggwave_encode(instance, payload, 4, GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST, 50, waveform, 0);
CHECK(ne > 0);
// not enough output buffer size to store the decoded message
@@ -39,12 +39,22 @@ int main() {
// just enough size to store it
ret = ggwave_ndecode(instance, waveform, sizeof(signed short)*ne, decoded, 4);
CHECK(ret == 4); // success
CHECK(ret == 4); // success
// unsafe method - will write the decoded output to the output buffer regardless of the size
ret = ggwave_decode(instance, waveform, sizeof(signed short)*ne, decoded);
CHECK(ret == 4);
// disable Rx protocol
ggwave_toggleRxProtocol(instance, GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST, 0);
ret = ggwave_ndecode(instance, waveform, sizeof(signed short)*ne, decoded, 4);
CHECK(ret == -1); // fail
// enable Rx protocol
ggwave_toggleRxProtocol(instance, GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST, 1);
ret = ggwave_ndecode(instance, waveform, sizeof(signed short)*ne, decoded, 4);
CHECK(ret == 4); // success
decoded[ret] = 0; // null-terminate the received data
CHECK(strcmp(decoded, payload) == 0);

14
tests/test-ggwave.py
View File

@@ -17,3 +17,17 @@ res = ggwave.decode(instance, waveform)
if res != payload.encode():
sys.exit(1)
# disable the Rx protocol - the decoding should fail
ggwave.toggleRxProtocol(instance, rxProtocolId = 1, state = 0)
res = ggwave.decode(instance, waveform)
if res != None:
sys.exit(1)
# re-enable the Rx protocol - the decoding should succeed
ggwave.toggleRxProtocol(instance, rxProtocolId = 1, state = 1)
res = ggwave.decode(instance, waveform)
if res != payload.encode():
sys.exit(1)