Loss of lock circuit is working

apsct_lib.py

@@ -299,8 +299,8 @@ class PllClass:
         i2_c_io_device.write_bytes(0x06, 0x2C)  # '0' is output
         i2_c_io_device.write_bytes(0x07, 0x00)  # '0' is output
         ack, ret_value = i2_c_io_device.read_bytes(0x00, 1)
-        status_pll = int(ret_value) & 0x02
-        if status_pll == 0x02:
+        status_pll = int(ret_value, 16) & 0x04 
+        if status_pll :
             self.lock = True
             stri = f"PLL {self.frequency} is in lock"
         else:
@@ -319,13 +319,14 @@ class PllClass:
         i2_c_io_device_b = I2C(0x21, BUSNR=I2CBUSNR)
         i2_c_io_device_b.write_bytes(0x06, 0x2C)  # '0' is output
         i2_c_io_device_b.write_bytes(0x07, 0xFF)  # '0' is output
-
         ack, ret_value = i2_c_io_device_b.read_bytes(0x01, 1)
         status_reg = int(ret_value, 16)
-        if (self.frequency == '200MHz') & ((status_reg & 0x10) > 0):
-            print("200MHz has lost lock")
-        if ((status_reg & 0x20) > 0) & (self.frequency == '160MHz'):
-            print("160MHz has last lock")
+        if (self.frequency == '200MHz'):
+            lol = (status_reg & 0x10)
+        else:
+            lol = (status_reg & 0x20)
+        if  lol :
+            print(f"{self.frequency} has lost lock")
         ack, ret_value = i2_c_io_device_a.read_bytes(0x01, 1)
         old_reg = int(ret_value, 16)
         i2_c_io_device_a.write_bytes(0x03, (old_reg | 0x10))  # '0' is output
@@ -651,12 +652,14 @@ def main():
     if False:
         apsct.power(False)
         sleep(1)
-    apsct.power(True)
-    sleep(1)
+#    apsct.power(True)
+#    sleep(1)
     if False:
         apsct.pll_200.write_byte_pll(0x06, 0xA5)
         apsct.pll_200.write_byte_pll(0x5A, 0x01)
     apsct.pll_200.setup_pll()
+    apsct.pll_200.read_lol()
+    apsct.pll_200.read_lock()
 #    apsct.pll_200.read_all_regs_pll()
 #    apsct.sensors.read_all_voltages()