From fd1793c391182d3dee53b716fec6a80886cadc39 Mon Sep 17 00:00:00 2001
From: Gijs Schoonderbeek <schoonderbeek@astron.nl>
Date: Fri, 6 Jan 2023 13:44:36 +0100
Subject: [PATCH] tested production_apsct on HW
---
apsct_lib.py | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/apsct_lib.py b/apsct_lib.py
index 357f09e..a377886 100644
--- a/apsct_lib.py
+++ b/apsct_lib.py
@@ -158,7 +158,7 @@ class PllClass:
for clk in range(2):
Write_data = 0x02 | (0 << CS) | (clk << SCLK) | (int(bit) << SDI)
self.dev_i2c_pll.write_bytes(0x02, Write_data)
- time.sleep(sleep_time)
+ sleep(sleep_time)
read_bit = ''
for cnt in range(8*nof_bytes):
for clk in [0, 1]: # Read after rizing edge
@@ -219,6 +219,19 @@ class PllClass:
stri = "Reg nr 0x{:0>2x} value: 0x{:0>2x}".format(cnt, int(ret_value[start:start+8], 2))
print(stri)
+ def read_lock(self):
+ #
+ # Read lock status
+ #
+ ret_value = self.Read_byte_PLL(0x00, nof_bytes = 1)
+ status_pll = int(ret_value,2)
+ if status_pll == 0x04:
+ print("PLL in lock")
+ elif (status_pll & 0x10) > 0:
+ print("Not Locked --> No 10 MHz ref")
+ else:
+ print("Not locked --> PLL Error")
+
def read_lol(self, pll_frequency='200MHz'):
#
# Read loss of lock status
@@ -233,9 +246,9 @@ class PllClass:
ack, ret_value = I2C_IO_device_B.read_bytes(0x01, 1)
status_reg = int(ret_value, 16)
if (pll_frequency == '200MHz') & ((status_reg & 0x10) > 0):
- print("lost lock 200MHz")
+ print("200MHz has lost lock")
if ((status_reg & 0x20) > 0) & (pll_frequency == '160MHz'):
- print("lost lock 160MHz")
+ print("160MHz has last lock")
ack, ret_value = I2C_IO_device_A.read_bytes(0x01, 1)
old_reg = int(ret_value, 16)
I2C_IO_device_A.write_bytes(0x03, (old_reg | 0x10)) # '0' is output
@@ -287,7 +300,9 @@ class EepromClass:
return False
else:
ret_ack, ret_value = self.dev_i2c_eeprom.read_bytes(address, nof_bytes)
- str_return = bytes.fromhex(ret_value[:nof_bytes * 2]).decode('UTF-8')
+ ret_value = bytes.fromhex(ret_value[:nof_bytes * 2])
+ #print(" ret value = {}".format(ret_value))
+ str_return = ret_value.decode('UTF-8')
return str_return
def wr_rd_eeprom(self, value="APSPU-1", address=0):
@@ -300,6 +315,7 @@ class EepromClass:
#
if self.write_eeprom(value, address=0):
ret_value = self.read_eeprom(address=0, nof_bytes=len(value))
+ print(ret_value)
stri = "Wrote to EEPROM register 0x{2:x} : {0}, Read from EEPROM: {1}".format(value, ret_value, address)
print(stri)
if ret_value == value:
--
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