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Dependencies: driver_mbed_TH02
Diff: main.cpp
- Revision:
- 12:5015dfead3f2
- Parent:
- 3:8c7198d1a2a1
- Child:
- 18:1720bc3831ea
--- a/main.cpp Wed Apr 11 06:30:22 2018 +0100 +++ b/main.cpp Wed Apr 18 06:30:24 2018 +0100 @@ -31,8 +31,11 @@ using namespace events; -uint8_t tx_buffer[LORAMAC_PHY_MAXPAYLOAD]; -uint8_t rx_buffer[LORAMAC_PHY_MAXPAYLOAD]; +// Max payload size can be LORAMAC_PHY_MAXPAYLOAD. +// This example only communicates with much shorter messages (<30 bytes). +// If longer messages are used, these buffers must be changed accordingly. +uint8_t tx_buffer[30]; +uint8_t rx_buffer[30]; /* * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing @@ -41,10 +44,10 @@ /** * Maximum number of events for the event queue. - * 16 is the safe number for the stack events, however, if application + * 10 is the safe number for the stack events, however, if application * also uses the queue for whatever purposes, this number should be increased. */ -#define MAX_NUMBER_OF_EVENTS 16 +#define MAX_NUMBER_OF_EVENTS 10 /** * Maximum number of retries for CONFIRMED messages before giving up @@ -179,7 +182,7 @@ } printf("\r\n %d bytes scheduled for transmission \r\n", retcode); - memset(tx_buffer, 0, LORAMAC_PHY_MAXPAYLOAD); + memset(tx_buffer, 0, sizeof(tx_buffer)); } /** @@ -189,7 +192,7 @@ { int16_t retcode; retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer, - LORAMAC_PHY_MAXPAYLOAD, + sizeof(rx_buffer), MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG); if (retcode < 0) { @@ -205,7 +208,7 @@ printf("\r\n Data Length: %d\r\n", retcode); - memset(rx_buffer, 0, LORAMAC_PHY_MAXPAYLOAD); + memset(rx_buffer, 0, sizeof(rx_buffer)); } /**