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Found 2 results

  1. i am trying to program "cc1350 launchpad-433MHz" to receive data over rf sent by another "cc1350 launchpad-433MHz" which is connected with rf-studio. here is my code with changes i made to set frequency on 433MHz ------------------------------------------------------------------------------------------------------------------- #include "EasyLink.h" EasyLink_RxPacket rxPacket; EasyLink myLink; void setup() { Serial.begin(115200); // begin defaults to EasyLink_Phy_50kbps2gfsk myLink.begin(); Serial.println(myLink.version()); EasyLink_setFrequency(433000000); Serial.print("testing frequency: "); Serial.println(EasyLink_getFrequency(),HEX); delay(2000); } uint16_t value; void loop() { // Wait / block for 2 second to receive a packet. // rxTimeout is in Radio time and needs to be converted from miliseconds to Radio Time rxPacket.rxTimeout = EasyLink_ms_To_RadioTime(2000); // Turn the receiver on immediately rxPacket.absTime = EasyLink_ms_To_RadioTime(0); EasyLink_Status status = myLink.receive(&rxPacket); if (status == EasyLink_Status_Success) { memcpy(&value, &rxPacket.payload, sizeof(uint16_t)); Serial.print("Packet received with lenght "); Serial.print(rxPacket.len); Serial.print(" and value "); Serial.println(value); } else { Serial.print("Error receiving packet with status code: "); Serial.print(status); Serial.print(" ("); Serial.print(myLink.getStatusString(status)); Serial.println(")"); } } --------------------------------------------------------------------------------------------------------------------------- the problem is: when i run the code and open comport following message is printed continuously: " Error receiving packet with status code: 6 (Rx Error) " also, when i transmit on 433MHz from one cc1350 and receive on other cc1350 which is connected to rf-studio, "Packet transmitted successfully" is printed on comport but nothing is received on rfstudio i ran the example code on code composer studio for rf on 433MHz by changing "smartrf_setting.c/.h" file, worked fine. i can't figure out why it is not working with energia at 433MHz. i have successfully communicated at 868MHz between two cc1350.
  2. Hi there, I´m testing radio range with two new CC1350 Launchpad Rev. 1.1 on Windows 7 64bits. When I try with SmartRF Studio V2.6.0 with 625 bps, Legacy Long Range mode the communication has good range. I transmit with a 12 dBm and I receive 12 dBm in the other Launchpad at 1 meter between both ( on my desk). When I do the similar test with Energia EasyLink Tx - Rx example, I changed to " myLink.begin(EasyLink_Phy_625bpsLrm); ", I received a poor signal (rxPacket.rssi = -70) with the same Launchpad at the same distance. I´ve tried to save smartrf_settings.c and .h from SmartRf Studio to my Energia path, but I haven't notice any difference. My Energia path is: C:\energia_1_6_10E18\libraries\EasyLink-master\src\smartrf_settings\CC1350_LAUNCHXL Somebody knows how to improve range with Energia as same as SmartRF Studio ? Thank´s in advance. Litos97
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