Fabio Gatti
poc lorawan using disco_l475vg and sx1272mb2xas
Revision 49:bf339fabb590, committed 2019-03-14
- Comitter:
- fabio_gatti
- Date:
- Thu Mar 14 22:05:11 2019 +0000
- Parent:
- 48:dfce67eca082
- Commit message:
- initial relase.; LORAWAN poc using disco_l475vg and sx1272mb2xas
Changed in this revision
diff -r dfce67eca082 -r bf339fabb590 main.cpp
--- a/main.cpp Wed Feb 13 18:37:07 2019 +0000
+++ b/main.cpp Thu Mar 14 22:05:11 2019 +0000
@@ -45,10 +45,21 @@
*/
#define MAX_NUMBER_OF_EVENTS 10
-/**
- * Maximum number of retries for CONFIRMED messages before giving up
- */
-#define CONFIRMED_MSG_RETRY_COUNTER 3
+
+// Maximum number of retries for CONFIRMED messages before giving up
+#define LORAWAN_CONFIRMED_MSG_RETRY_COUNTER 3
+//DR_5=SF_7; DR_4=SF_8; DR_3=SF_9; DR_2=SF_10; DR_1=SF_11; DR_0=SF_12
+#define LORAWAN_DATA_RATE DR_5
+// app port
+#define LORAWAN_APP_PORT 15
+// tx message type
+#define LORAWAN_TX_MSG_TYPE MSG_UNCONFIRMED_FLAG
+// number of channel
+#define LORAWAN_CHANNEL_NBR 3
+// timeout retry when channel is block in msec
+#define LORAWAN_CHANNEL_RETRY 3000
+
+
/**
* Dummy pin for dummy sensor
@@ -87,57 +98,103 @@
*/
static lorawan_app_callbacks_t callbacks;
+
+static void LoRa_PrintChannels() {
+ /* print list of all channel frequencies */
+ lorawan_channelplan_t channelPlan {};
+ static loramac_channel_t channelbuf[10];
+
+ channelPlan.channels = channelbuf;
+ if (lorawan.get_channel_plan(channelPlan) == LORAWAN_STATUS_OK) {
+ for (uint8_t i = 0; i < channelPlan.nb_channels; i++) {
+ loramac_channel_t chan = channelPlan.channels[i];
+ printf(" CHAN %d ID %d FREQ %lu RX1FREQ %lu Band %d DR min %d max %d\n",
+ (int) i, (int) chan.id, chan.ch_param.frequency,
+ chan.ch_param.rx1_frequency, (int) chan.ch_param.band,
+ (int) chan.ch_param.dr_range.fields.min,
+ (int) chan.ch_param.dr_range.fields.max);
+ }
+ } else {
+ printf(" COULD NOT GET CHANNEL PLAN\n");
+ }
+}
+
/**
* Entry point for application
*/
int main(void)
{
+ static loramac_channel_t ttnChannels[] = {
+ {0, {868100000, 0, {(DR_5 << 4) | DR_0}, 1}},
+ {1, {868300000, 0, {(DR_5 << 4) | DR_0}, 1}},
+ {2, {868500000, 0, {(DR_5 << 4) | DR_0}, 1}},
+ {3, {867100000, 0, {(DR_5 << 4) | DR_0}, 0}},
+ {4, {867300000, 0, {(DR_5 << 4) | DR_0}, 0}},
+ {5, {867500000, 0, {(DR_5 << 4) | DR_0}, 0}},
+ {6, {867700000, 0, {(DR_5 << 4) | DR_0}, 0}},
+ {7, {867900000, 0, {(DR_5 << 4) | DR_0}, 0}}
+};
+ lorawan_channelplan_t channelPlan {};
// setup tracing
setup_trace();
// stores the status of a call to LoRaWAN protocol
lorawan_status_t retcode;
-
- // Initialize LoRaWAN stack
+ printf("---------------------------- \n");
+// LORAWAN: Initialize LoRaWAN stack
if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
- printf("\r\n LoRa initialization failed! \r\n");
+ printf(" LoRa initialization failed! \n");
return -1;
}
+ printf(" Mbed LoRaWANStack initialized \n");
- printf("\r\n Mbed LoRaWANStack initialized \r\n");
-
- // prepare application callbacks
+// LORAWAN: prepare application callbacks
callbacks.events = mbed::callback(lora_event_handler);
lorawan.add_app_callbacks(&callbacks);
- // Set number of retries in case of CONFIRMED messages
- if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
+// LORAWAN: Set number of retries in case of CONFIRMED messages
+ if (lorawan.set_confirmed_msg_retries(LORAWAN_CONFIRMED_MSG_RETRY_COUNTER)
!= LORAWAN_STATUS_OK) {
- printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
+ printf(" Set_confirmed_msg_retries failed! \n");
return -1;
}
-
- printf("\r\n CONFIRMED message retries : %d \r\n",
- CONFIRMED_MSG_RETRY_COUNTER);
-
+ printf(" CONFIRMED message retries : %d \n",
+ LORAWAN_CONFIRMED_MSG_RETRY_COUNTER);
+
+ // LORAWAN: settaggio canali
+ channelPlan.channels = (loramac_channel_t*) ttnChannels;
+ channelPlan.nb_channels = LORAWAN_CHANNEL_NBR;
+ if (lorawan.set_channel_plan(channelPlan) == LORAWAN_STATUS_OK) {
+ printf(" [+] Setting TTN channels\n");
+ } else {
+ printf(" [-] Failed to set TTN channels! Debug return code.\n");
+ }
+ LoRa_PrintChannels();
+
+// LORAWAN: data rate
+// if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
+// printf("\r\n enable_adaptive_datarate failed! \r\n");
+// return -1;
+// }
+
// Enable adaptive data rate
- if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
- printf("\r\n enable_adaptive_datarate failed! \r\n");
+ if (lorawan.disable_adaptive_datarate() != LORAWAN_STATUS_OK) {
+ printf(" disable_adaptive_datarate failed! \r\n");
return -1;
}
-
- printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
+ printf(" Adaptive data rate (ADR) - disabled \r\n");
+ lorawan.set_datarate(LORAWAN_DATA_RATE);
retcode = lorawan.connect();
if (retcode == LORAWAN_STATUS_OK ||
retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
} else {
- printf("\r\n Connection error, code = %d \r\n", retcode);
+ printf(" Connection error, code = %d \n", retcode);
return -1;
}
- printf("\r\n Connection - In Progress ...\r\n");
+ printf(" Connection - In Progress ...\n");
// make your event queue dispatching events forever
ev_queue.dispatch_forever();
@@ -153,37 +210,39 @@
uint16_t packet_len;
int16_t retcode;
float sensor_value;
+
if (ds1820.begin()) {
ds1820.startConversion();
sensor_value = ds1820.read();
- printf("\r\n Dummy Sensor Value = %3.1f \r\n", sensor_value);
+ printf("\n -------------------------\n");
+ printf(" Dummy Sensor Value = %3.1f \n", sensor_value);
ds1820.startConversion();
} else {
- printf("\r\n No sensor found \r\n");
+ printf(" No sensor found \n");
return;
}
-
- packet_len = sprintf((char *) tx_buffer, "Dummy Sensor Value is %3.1f",
+
+ packet_len = sprintf((char *) tx_buffer, " Dummy Sensor Value is %3.1f",
sensor_value);
- retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len,
- MSG_UNCONFIRMED_FLAG);
+ retcode = lorawan.send(LORAWAN_APP_PORT, tx_buffer, packet_len,
+ LORAWAN_TX_MSG_TYPE);
if (retcode < 0) {
- retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
- : printf("\r\n send() - Error code %d \r\n", retcode);
+ retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf(" send - WOULD BLOCK\r\n")
+ : printf(" send() - Error code %d \n", retcode);
if (retcode == LORAWAN_STATUS_WOULD_BLOCK) {
//retry in 3 seconds
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
- ev_queue.call_in(3000, send_message);
+ ev_queue.call_in(LORAWAN_CHANNEL_RETRY, send_message);
}
}
return;
}
-
- printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
+
+ printf(" %d bytes scheduled for transmission \n", retcode);
memset(tx_buffer, 0, sizeof(tx_buffer));
}
@@ -197,7 +256,7 @@
int16_t retcode = lorawan.receive(rx_buffer, sizeof(rx_buffer), port, flags);
if (retcode < 0) {
- printf("\r\n receive() - Error code %d \r\n", retcode);
+ printf(" receive() - Error code %d \r\n", retcode);
return;
}
@@ -205,7 +264,7 @@
for (uint8_t i = 0; i < retcode; i++) {
printf("%02x ", rx_buffer[i]);
}
- printf("\r\n");
+ printf("\n");
memset(rx_buffer, 0, sizeof(rx_buffer));
}
@@ -215,9 +274,13 @@
*/
static void lora_event_handler(lorawan_event_t event)
{
+ int16_t retcode;
+ lorawan_tx_metadata additional_data;
+ int backoff_data;
+
switch (event) {
case CONNECTED:
- printf("\r\n Connection - Successful \r\n");
+ printf(" Connection - Successful \n");
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
} else {
@@ -227,10 +290,44 @@
break;
case DISCONNECTED:
ev_queue.break_dispatch();
- printf("\r\n Disconnected Successfully \r\n");
+ printf(" Disconnected Successfully \n");
break;
case TX_DONE:
- printf("\r\n Message Sent to Network Server \r\n");
+ printf(" Message Sent to Network Server \n");
+
+ retcode = lorawan.get_tx_metadata(additional_data);
+ switch (retcode)
+ {
+ case LORAWAN_STATUS_NOT_INITIALIZED:
+ printf(" Lorawan stack not initialized\n");
+ break;
+
+ case LORAWAN_STATUS_METADATA_NOT_AVAILABLE:
+ printf(" Metadata not available\n");
+ break;
+
+ case LORAWAN_STATUS_OK :
+ printf(" TX Channel: %d \n",additional_data.channel);
+ printf(" TOA (msec): %d \n",additional_data.tx_toa);
+ printf(" Data rate: %u \n",additional_data.data_rate);
+ break;
+ }
+
+ retcode = lorawan.get_backoff_metadata(backoff_data);
+ switch (retcode)
+ {
+ case LORAWAN_STATUS_NOT_INITIALIZED:
+ printf(" Lorawan stack not initialized\n");
+ break;
+
+ case LORAWAN_STATUS_METADATA_NOT_AVAILABLE:
+ printf(" Backoff not available\n");
+ break;
+
+ case LORAWAN_STATUS_OK :
+ printf(" Backoff: %d \n",backoff_data);
+ break;
+ }
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
}
@@ -239,32 +336,33 @@
case TX_ERROR:
case TX_CRYPTO_ERROR:
case TX_SCHEDULING_ERROR:
- printf("\r\n Transmission Error - EventCode = %d \r\n", event);
+ printf(" Transmission Error - EventCode = %d \r\n", event);
// try again
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
}
break;
case RX_DONE:
- printf("\r\n Received message from Network Server \r\n");
+ printf(" Received message from Network Server \r\n");
receive_message();
break;
case RX_TIMEOUT:
case RX_ERROR:
- printf("\r\n Error in reception - Code = %d \r\n", event);
+ printf(" Error in reception - Code = %d \r\n", event);
break;
case JOIN_FAILURE:
- printf("\r\n OTAA Failed - Check Keys \r\n");
+ printf(" OTAA Failed - Check Keys \r\n");
break;
case UPLINK_REQUIRED:
- printf("\r\n Uplink required by NS \r\n");
+ printf(" Uplink required by NS \r\n");
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
}
break;
- default:
- MBED_ASSERT("Unknown Event");
+ default:
+ MBED_ASSERT(" Unknown Event");
}
}
+
// EOF
diff -r dfce67eca082 -r bf339fabb590 mbed-lora-radio-drv.lib --- a/mbed-lora-radio-drv.lib Wed Feb 13 18:37:07 2019 +0000 +++ b/mbed-lora-radio-drv.lib Thu Mar 14 22:05:11 2019 +0000 @@ -1,1 +1,1 @@ -https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers#16958f814d505cfbbedfa16d9bf8b9dff0e0442b +https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers/#16958f814d505cfbbedfa16d9bf8b9dff0e0442b
diff -r dfce67eca082 -r bf339fabb590 mbed-os.lib --- a/mbed-os.lib Wed Feb 13 18:37:07 2019 +0000 +++ b/mbed-os.lib Thu Mar 14 22:05:11 2019 +0000 @@ -1,1 +1,1 @@ -https://github.com/ARMmbed/mbed-os/#ecb3c8c837162c73537bd0f3592c6e2a42994045 +https://github.com/ARMmbed/mbed-os/#51d55508e8400b60af467005646c4e2164738d48
diff -r dfce67eca082 -r bf339fabb590 mbed_app.json
--- a/mbed_app.json Wed Feb 13 18:37:07 2019 +0000
+++ b/mbed_app.json Thu Mar 14 22:05:11 2019 +0000
@@ -2,7 +2,7 @@
"config": {
"lora-radio": {
"help": "Which radio to use (options: SX1272,SX1276)",
- "value": "SX1276"
+ "value": "SX1272"
},
"main_stack_size": { "value": 4096 },
@@ -27,15 +27,19 @@
},
"target_overrides": {
"*": {
- "platform.stdio-convert-newlines": true,
+ "platform.stdio-convert-newlines": false,
"platform.stdio-baud-rate": 115200,
"platform.default-serial-baud-rate": 115200,
- "lora.over-the-air-activation": true,
- "lora.duty-cycle-on": true,
+ "lora.over-the-air-activation": false,
+ "lora.duty-cycle-on": false,
"lora.phy": "EU868",
- "lora.device-eui": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }",
- "lora.application-eui": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }",
- "lora.application-key": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }"
+ "lora.device-eui": "{ 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }",
+ "lora.application-eui": "{ 0x70, 0xB3, 0xD5, 0x7E, 0xD0, 0x01, 0x6E, 0x3D }",
+ "lora.application-key": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }",
+ "lora.device-address": "0x260113FF",
+ "lora.nwkskey": "{ 0x47, 0x39, 0x2F, 0xC9, 0x71, 0xA3, 0x23, 0x81, 0xD6, 0x82, 0x9D, 0x91, 0xA4, 0xDD, 0x38, 0xEF }",
+ "lora.appskey": "{ 0xDF, 0x75, 0x91, 0x07, 0xC1, 0x2F, 0x49, 0xA3, 0x03, 0xD7, 0x52, 0x94, 0x8B, 0xAD, 0xE1, 0x67 }"
+
},
"K64F": {
@@ -58,6 +62,28 @@
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
+ "DISCO_L475VG_IOT01A": {
+ "main_stack_size": 1024,
+ "lora-radio": "SX1272",
+ "lora-spi-mosi": "PA_7",
+ "lora-spi-miso": "PA_6",
+ "lora-spi-sclk": "PA_5",
+ "lora-cs": "PA_2",
+ "lora-reset": "PC_5",
+ "lora-dio0": "PD_14",
+ "lora-dio1": "PB_0",
+ "lora-dio2": "PA_3",
+ "lora-dio3": "PB_4",
+ "lora-dio4": "NC",
+ "lora-dio5": "NC",
+ "lora-rf-switch-ctl1": "NC",
+ "lora-rf-switch-ctl2": "NC",
+ "lora-txctl": "NC",
+ "lora-rxctl": "NC",
+ "lora-ant-switch": "PC_1",
+ "lora-pwr-amp-ctl": "NC",
+ "lora-tcxo": "NC"
+ },
"DISCO_L072CZ_LRWAN1": {
"main_stack_size": 1024,