Modified lora.c: void lora_config_tx_datarate_set(int8_t TxDataRate)

tohliheng · tohliheng · commit f402e0c71fb6 · 2020-06-26T15:02:49.000+08:00
This modification allows AT+DR to change the data rate of the next AT+SEND. Previously, we could only change the data rate of the second AT+SEND.
diff --git a/Projects/B-L072Z-LRWAN1/Applications/LoRa/AT_Slave/LoRaWAN/App/src/lora.c b/Projects/B-L072Z-LRWAN1/Applications/LoRa/AT_Slave/LoRaWAN/App/src/lora.c
@@ -891,7 +891,11 @@ int16_t lora_config_rssi_get(void)
 
 void lora_config_tx_datarate_set(int8_t TxDataRate)
 {
-  lora_config.TxDatarate = TxDataRate;
+  mibReq.Type = MIB_CHANNELS_DATARATE;
+  mibReq.Param.ChannelsDatarate = TxDataRate;
+  if (LoRaMacMibSetRequestConfirm(&mibReq) != LORAMAC_STATUS_PARAMETER_INVALID) {
+	lora_config.TxDatarate = TxDataRate;
+  }
 }
 
 int8_t lora_config_tx_datarate_get(void)

Original file line number	Diff line number	Diff line change
`@@ -891,7 +891,11 @@ int16_t lora_config_rssi_get(void)`
`891`	`891`
`892`	`892`	`void lora_config_tx_datarate_set(int8_t TxDataRate)`
`893`	`893`	`{`
`894`		`- lora_config.TxDatarate = TxDataRate;`
	`894`	`+ mibReq.Type = MIB_CHANNELS_DATARATE;`
	`895`	`+ mibReq.Param.ChannelsDatarate = TxDataRate;`
	`896`	`+ if (LoRaMacMibSetRequestConfirm(&mibReq) != LORAMAC_STATUS_PARAMETER_INVALID) {`
	`897`	`+ lora_config.TxDatarate = TxDataRate;`
	`898`	`+ }`
`895`	`899`	`}`
`896`	`900`
`897`	`901`	`int8_t lora_config_tx_datarate_get(void)`