Diff: main.cpp

Revision:

0:9b15629b3f0f

Child:

1:28d4b59feaf3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 18 11:00:19 2018 -0700
@@ -0,0 +1,85 @@
+#include "sx126x.h"
+
+#ifdef TARGET_FF_ARDUINO    /* pins of SX126xDVK1xAS board */
+    SPI spi(D11, D12, D13); // mosi, miso, sclk
+    //           spi, nss, busy, dio1
+    SX126x radio(spi,  D7,   D3,   D5 );
+    #define CHIP_TYPE_SX1262        0
+    #define CHIP_TYPE_SX1261        1
+    DigitalIn chipType(A2);
+    AnalogIn xtalSel(A3);
+    DigitalOut antswPower(D8);
+#endif /* TARGET_FF_ARDUINO */
+
+/**********************************************************************/
+volatile bool txDone;
+
+void txDone_callback()
+{
+    txDone = true;
+}
+
+int main()
+{
+    uint8_t seq = 0;
+    
+    printf("\r\nreset-tx ");
+
+    radio.setStandby(STBY_XOSC);
+    radio.setPacketType(PACKET_TYPE_LORA);
+    radio.setMHz(915.0); 
+
+    {
+        ModulationParams_t mp;
+
+        mp.lora.spreadingFactor = 7;
+        mp.lora.bandwidth = LORA_BW_125;
+        mp.lora.codingRate = LORA_CR_4_5;
+        mp.lora.LowDatarateOptimize = 0;
+
+        radio.xfer(OPCODE_SET_MODULATION_PARAMS, 4, mp.buf);
+    }
+
+    if (chipType == CHIP_TYPE_SX1262)
+        radio.set_tx_dbm(true, 20);
+    else
+        radio.set_tx_dbm(false, 14);
+
+
+    {    
+        PacketParams_t p;
+
+        p.lora.PreambleLengthHi = 0;
+        p.lora.PreambleLengthLo = 8;
+        p.lora.HeaderType = HEADER_TYPE_VARIABLE_LENGTH;
+        /* constant payload length of one byte */
+        p.lora.PayloadLength = 1;
+        p.lora.CRCType = CRC_ON;
+        p.lora.InvertIQ = STANDARD_IQ;
+
+        radio.xfer(OPCODE_SET_PACKET_PARAMS, 6, p.buf);
+    }
+
+                
+    antswPower = 1;
+    radio.SetDIO2AsRfSwitchCtrl(1);
+    
+    radio.txDone = txDone_callback;
+    
+    for (;;) {       
+        radio.tx_buf[0] = seq;  /* set payload */
+        txDone = false;
+        radio.start_tx(1);   /* begin transmission */
+        
+        printf("sent\r\n");
+        while (!txDone) {
+            radio.service();
+        }
+
+        printf("got-tx-done\r\n");
+        
+        wait(0.5);  /* throttle sending rate */
+        seq++;  /* change payload */
+    }
+}
+