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Update protocol.hpp

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This commit is contained in:
Adam Munich
2020-04-24 11:06:53 +02:00
committed by Samuel Sadok
parent 2fd20eb931
commit c93400aacf
1 changed files with 9 additions and 2 deletions
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Firmware/fibre/cpp/include/fibre/protocol.hpp
+9 -2
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@@ -1,3 +1,5 @@
#pragma GCC optimize ("O3")
/*
see protocol.md for the protocol specification
*/
@@ -1098,6 +1100,7 @@ public:
extern Endpoint** endpoint_list_;
extern size_t n_endpoints_;
extern uint16_t json_crc_;
extern uint32_t json_fibre_cache_entropy_;
extern JSONDescriptorEndpoint json_file_endpoint_;
extern EndpointProvider* application_endpoints_;
@@ -1124,12 +1127,16 @@ int fibre_publish(T& application_objects) {
// Calculate the CRC16 of the JSON file.
// The init value is the protocol version.
CRC16Calculator crc16_calculator(PROTOCOL_VERSION);
uint8_t offset[4] = { 0 };
json_file_endpoint_.handle(offset, sizeof(offset), &crc16_calculator);
json_crc_ = crc16_calculator.get_crc16();
// Add entropy for fibre cache
json_file_endpoint_.handle(offset, sizeof(offset), &crc16_calculator);
json_fibre_cache_entropy_ = (uint32_t) crc16_calculator.get_crc16();
json_fibre_cache_entropy_ += json_crc_ << 16;
return 0;
}
#endif