Fix WSPR transmitter, support centihz freq

1 files changed, 45 insertions, 0 deletions

diff --git a/sw/eval-clock-cw-tx/trigger.py b/sw/eval-clock-cw-tx/trigger.py
new file mode 100644
index 0000000..a2b3657
--- /dev/null
+++ b/sw/eval-clock-cw-tx/trigger.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+import sys
+import requests
+import serial
+import random
+import datetime
+import time
+
+battery_capacity = requests.get("http://wollinuc.local:5000/stats").json()['capa']
+
+def eat(ser):
+    time.sleep(1)
+    received = []
+    while True:
+        dat = ser.read(1)
+        if dat:
+            received.append(dat)
+        else:
+            break
+    return b''.join(received)
+
+now = datetime.datetime.utcnow()
+
+#this script gets called every hour at minutes 13,27,39,53
+
+if battery_capacity < 6000:
+    print(f"Bat cap not enough: {battery_capacity}")
+elif battery_capacity < 10000 and now.minute != 13:
+    print(f"Bat cap not low: {battery_capacity}")
+else:
+    tx_freq = 10138700 + 400 + random.randint(1410, 1490)
+    print(f"TX freq {tx_freq}")
+    serial = serial.Serial("/dev/serial/by-id/usb-HB9EGM_Beep_Machine_1-if00", 115200, timeout=0)
+    serial.write('f{}\n'.format(tx_freq).encode("ascii"))
+    print(f"Answer: {eat(serial)}")
+
+    while True:
+        now = datetime.datetime.utcnow()
+        if now.minute % 2 == 0 and now.second == 00:
+            break
+        time.sleep(0.1)
+
+    print(f"{now} TX")
+    serial.write(b'wspr\n')
+    print(f"Answer: {eat(serial)}")