Diff: main.cpp

Revision:

0:77fa30d1c6b5

Child:

1:48040edc5d0f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 20 13:04:57 2019 -0800
@@ -0,0 +1,93 @@
+#include "radio.h"
+#include "LPS22HBSensor.h"
+
+#define BW_KHZ              125
+#define SPREADING_FACTOR    7
+#define CF_HZ               915000000
+#define TX_DBM              20
+
+/*
+DevI2C devI2c(I2C_SDA, I2C_SCL);
+LPS22HBSensor press_temp(&devI2c);
+*/
+AnalogIn pa0(PA_0);
+DigitalIn test_in_pin(PB_5, PullDown);
+DigitalOut ext_led(PB_2);
+#define EXT_LED_ON      0
+#define EXT_LED_OFF     1
+
+
+/**********************************************************************/
+volatile bool txDone;
+
+void txDoneCB()
+{
+    txDone = true;
+}
+
+void rxDoneCB(uint8_t size, float rssi, float snr)
+{
+}
+
+const RadioEvents_t rev = {
+    /* Dio0_top_half */     NULL,
+    /* TxDone_topHalf */    NULL,
+    /* TxDone_botHalf */    txDoneCB,
+    /* TxTimeout  */        NULL,
+    /* RxDone  */           rxDoneCB,
+    /* RxTimeout  */        NULL,
+    /* RxError  */          NULL,
+    /* FhssChangeChannel  */NULL,
+    /* CadDone  */          NULL
+};
+
+int main()
+{
+    printf("\r\nreset-tx ");
+
+    Radio::Init(&rev);
+
+    Radio::Standby();
+    Radio::LoRaModemConfig(BW_KHZ, SPREADING_FACTOR, 1);
+    Radio::SetChannel(CF_HZ);
+
+    Radio::set_tx_dbm(TX_DBM);
+
+               // preambleLen, fixLen, crcOn, invIQ
+    Radio::LoRaPacketConfig(8, false, true, false);
+
+    for (;;) {
+
+        uint16_t samp = pa0.read_u16();
+        if (test_in_pin) {
+            ext_led = EXT_LED_ON;
+            printf("continuous-tx\r\n");
+#ifdef SX127x_H
+            Radio::radio.set_opmode(RF_OPMODE_SLEEP);
+            Radio::fsk.enable(false);
+            Radio::radio.write_u16(REG_FSK_FDEVMSB, 0);
+            Radio::radio.write_u16(REG_FSK_PREAMBLEMSB, 0xffff);
+            Radio::fsk.start_tx(8);
+#else
+    #error tx_carrier
+#endif /* SX127x_H*/
+        }
+
+        ext_led = EXT_LED_ON;
+        Radio::radio.tx_buf[0] = samp;
+        samp >>= 8;
+        Radio::radio.tx_buf[1] = samp;
+        txDone = false;
+        Radio::Send(2, 0, 0, 0);   /* begin transmission */
+
+        printf("Sent %04x\r\n", samp);
+        while (!txDone) {
+            Radio::service();
+        }
+        printf("got-tx-done\r\n");
+        ext_led = EXT_LED_OFF;
+
+        wait(1.0);  /* throttle sending rate */
+    }
+}
+