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Manuel Bleichenbacher
2018-07-19 16:16:40 +02:00
parent 6378c17e39
commit b8221a614e
8 changed files with 161 additions and 15 deletions
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39
include/TheThingsNetwork.h
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@ -15,9 +15,6 @@
#include <stdint.h>
#include "driver/spi_master.h"
#define TTN_DEFAULT_SF 7
#define TTN_DEFAULT_FSB 2
/**
* @brief Constant for indicating that a pin is not connected
*/
@ -37,6 +34,14 @@ enum ttn_response_t
TTN_SUCCESSFUL_RECEIVE = 2
};
/**
* @brief Callback for recieved messages
*
* @param payload pointer to the received bytes
* @param length number of received bytes
* @param port port the message was received on
*/
typedef void (*message_cb_t)(const uint8_t* payload, size_t length, port_t port);
/**
* @brief TTN device
@ -114,11 +119,35 @@ public:
*/
bool join();
/**
* @brief Send a message
*
* @param payload bytes to be sent
* @param length number of bytes to be sent
* @param port port (default to 1)
* @param confirm flag indicating if a confirmation should be requested. Default to 'false'
* @return TTTN_SUCCESSFUL_TRANSMISSION Successful transmission
* @return TTTN_SUCCESSFUL_RECEIVE Successful transmission and a message has been received
* @return TTN_ERROR_SEND_COMMAND_FAILED Transmission failed
* @return TTTN_ERROR_UNEXPECTED_RESPONSE Unexpected response
*/
ttn_response_t sendBytes(const uint8_t *payload, size_t length, port_t port = 1, bool confirm = false);
/**
* @brief Set the function to be called when a message is received
*
* When a message is received, the specified function is called. The
* message, its length and the port is was received on are provided as
* parameters. The values are only valid during the duration of the
* callback. So they must be immediately processed or copied.
*
* @param callback the callback function
*/
void onMessage(message_cb_t callback);
private:
uint8_t spreadingFactor = TTN_DEFAULT_SF;
uint8_t frequencySubband = TTN_DEFAULT_FSB;
message_cb_t messageCallback;
bool decodeKeys(const char *devEui, const char *appEui, const char *appKey);
};