Diff: TARGET_DISCO_L072CZ_LRWAN1/radio_typeABZ.cpp

Revision:

0:9c052ff8dd6a

Child:

5:ab124d3842a8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_DISCO_L072CZ_LRWAN1/radio_typeABZ.cpp	Thu Jul 05 17:31:54 2018 -0700
@@ -0,0 +1,83 @@
+#include "radio.h"
+
+#define SSA_BOARD   1
+
+SPI spi(PA_7, PA_6, PB_3); // mosi, miso, sclk
+//                  dio0, dio1,  nss,  spi,  rst
+SX127x Radio::radio(PB_4, PB_1, PA_15, spi, PC_0); // sx1276 arduino shield
+SX127x_lora Radio::lora(radio);
+SX127x_fsk Radio::fsk(radio);
+
+InterruptIn Radio::dio0(PB_4);
+InterruptIn Radio::dio1(PB_1);
+
+#define CRF1    PA_1
+#define CRF2    PC_2
+#define CRF3    PC_1
+DigitalOut Vctl1(CRF1);
+DigitalOut Vctl2(CRF2);
+DigitalOut Vctl3(CRF3);
+
+void Radio::rfsw_callback()
+{
+    if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) {
+        Vctl1 = 0;        
+        if (radio.RegPaConfig.bits.PaSelect) {
+            Vctl2 = 0;
+            Vctl3 = 1;                        
+        } else {
+            Vctl2 = 1;
+            Vctl3 = 0;            
+        }
+    } else {
+        if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE)
+            Vctl1 = 1;
+        else
+            Vctl1 = 0;
+        
+        Vctl2 = 0;
+        Vctl3 = 0;        
+    }
+}
+
+void
+Radio::set_tx_dbm(int8_t dbm)
+{
+    RegPdsTrim1_t pds_trim;
+    pds_trim.octet = radio.read_reg(REG_PDSTRIM1_SX1276);
+
+    if (dbm > 13) {
+        radio.RegPaConfig.bits.PaSelect = 1;
+        if (dbm > 17) {
+            pds_trim.bits.prog_txdac = 7;
+            dbm -= 3;
+            ocp(150);
+        } else {
+            pds_trim.bits.prog_txdac = 4;
+            ocp(120);
+        }
+
+        radio.RegPaConfig.bits.OutputPower = dbm - 2;
+    } else {
+        pds_trim.bits.prog_txdac = 4;
+        radio.RegPaConfig.bits.PaSelect = 0;
+        radio.RegPaConfig.bits.OutputPower = dbm + 1;
+        ocp(80);
+    }
+
+    radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet);
+    radio.write_reg(REG_PDSTRIM1_SX1276, pds_trim.octet);
+}
+
+#ifdef SSA_BOARD
+DigitalOut pa12(PA_12); // tcxo enable
+DigitalOut pa11(PA_11); // sw9v enable -> sw3v3
+#endif
+void Radio::boardInit()
+{
+#ifdef SSA_BOARD
+    pa12 = 1; // tcxo
+    pa11 = 1; // sw9v -> sw3v3
+#endif    
+}
+