diff --git a/rd_unb2c.py b/rd_unb2c.py
index 9dddf8b4634ac05a1f1e3c5985112c354afc91d3..b6441b9f53f328fb71dfbc85fcd7b421c130e25a 100644
--- a/rd_unb2c.py
+++ b/rd_unb2c.py
@@ -4,10 +4,14 @@ Read Hardware info form UNB2C
import sys
import time
-import os
sys.path.insert(0,'.')
+import os
+if os.name =="posix":
+ from I2C_serial_pi import *
+else:
+ from I2C_serial import *
+
from UniBoard2_I2C import *
-from I2C_serial_pi import *
I2CBUSNR=3
QSFP_PORT=[]
@@ -19,107 +23,127 @@ QSFP_PORT.append(0x40)
QSFP_PORT.append(0x80)
def rw_eeprom(value=0xAB):
- I2C_eeprom = I2C(0x53, BUSNR=3)
- I2C_eeprom.write_bytes(0x00, value)
- I2C_eeprom.read_bytes(0x00,1)
-# I2C_eeprom.write_pointer(0x00)
-# ret_ack, ret_value = I2C_eeprom.read_last_reg(1)
- if 0: #ret_ack:
- stri = "EEPROM readback : {0} ".format(ret_value)
- print(stri)
+ I2C_eeprom = I2C(0x53)
+ I2C_eeprom.bus = I2CBUSNR
+ ret_ack, ret_value = I2C_eeprom.read_bytes(0)
+ if ret_ack < 1:
+ print("no device found")
else:
- print("ACK nok")
+ I2C_eeprom.write_bytes(0x00, value)
+ ret_ack, ret_value = I2C_eeprom.read_bytes(0x00, 1)
+ stri = "Wrote to EEPROM: {0}, Read from EEPROM: {1} ".format(value, ret_value)
+ print(stri)
def front_led(value=0xFF, ADDRESS=0x71):
- main_switch = I2C(ADDRESS, BUSNR=I2CBUSNR)
-# main_switch.bus = I2CBUSNR
+ main_switch = I2C(ADDRESS)
+ main_switch.bus = I2CBUSNR
main_switch.write_pointer(0x20) #select LED
- front = I2C(ADDRESS=0x41, BUSNR=I2CBUSNR)
-# front.bus = I2CBUSNR
- front.write_bytes(0x03, 0)
- front.write_bytes(0x01, value)
- sleep(0.5)
- for cnt in range(6):
- front.write_bytes(0x01, (1 << cnt%3)^0xff)
- sleep(0.2)
- front.write_bytes(0x01, 0)
- sleep(0.2)
- front.write_bytes(0x01, 0xf)
-
-
+ if ret_ack < 1:
+ print("Main I2C switch not found")
+ else:
+ front = I2C(ADDRESS=0x41)
+ front.bus = I2CBUSNR
+ front.write_bytes(0x03, 0)
+ if ret_ack < 1:
+ print("Front LED driver not found")
+ else:
+ front.write_bytes(0x01, value)
+ sleep(0.5)
+ for cnt in range(6):
+ front.write_bytes(0x01, (1 << cnt%3)^0xff)
+ sleep(0.2)
+ front.write_bytes(0x01, 0)
+ sleep(0.2)
+ front.write_bytes(0x01, 0xf)
def read_pol(i2c_addr):
LOC_PWR = I2C(i2c_addr)
LOC_PWR.bus = I2CBUSNR
- value=[]
-# ret_ack,vout_mod = LOC_PWR.read_bytes(LP_VOUT_MODE, 1)
-# ret_ack,ret_value = LOC_PWR.read_bytes(LP_VOUT, 2)
-# stri = "POL readback {0} : ".format(ret_value)
-# print(stri)
-# vout = calc_lin_3bytes(ret_value, vout_mod)
-# print("vout = ", vout)
-# ret_ack,ret_value = LOC_PWR.read_bytes(LP_IOUT, 2)
-# iout = calc_lin_2bytes(ret_value)
-# print("Output Current :",iout)
- ret_ack,ret_value = LOC_PWR.read_bytes(LP_temp, 2)
- temp = calc_lin_2bytes(ret_value)
- print("temperature :",temp)
+ ret_ack, ret_value = LOC_PWR.read_bytes(0)
+ if ret_ack < 1:
+ print("no device found")
+ else:
+ pr_stri = "Found device at address 0x{:02x}".format(LOC_PWR.I2C_Address)
+ print(pr_stri)
+ ret_ack,ret_value = LOC_PWR.read_bytes(LP_VOUT, 2)
+ vout = calc_lin_3bytes(ret_value, vout_mod)
+ print("read = ", vout_mod)
+ ret_ack,ret_value = LOC_PWR.read_bytes(LP_IOUT, 2)
+ iout = calc_lin_2bytes(ret_value)
+ print("Output Current :",iout)
+ ret_ack,ret_value = LOC_PWR.read_bytes(LP_temp, 2)
+ temp = calc_lin_2bytes(ret_value)
+ print("temperature :",temp)
def read_ddr(node_nr = 0, module=0):
+ main_switch = I2C(0x71)
+ main_switch.bus = I2CBUSNR
main_switch.write_pointer(0x01<<node_nr) #select Node
- node_switch.write_pointer(0x10) #select DDR4
- if module==0:
- ddr_module = I2C(MB_I_TEMP_I2C_ADDR)
+ if ret_ack < 1:
+ print("Main I2C switch not found")
else:
- ddr_module = I2C(MB_II_TEMP_I2C_ADDR)
- ddr_module.bus = I2CBUSNR
- ret_ack,raw_ret = ddr_module.read_bytes(MB_TEMP_REG, 2)
- if len(raw_ret) < 1:
- stri = "No DDR moduel in slot {0} node {1}".format(module, node_nr)
- else:
- ret_value=[]
- ret_value.append(int(raw_ret[0:2],16))
- ret_value.append(int(raw_ret[2:4],16))
- temp = (((ret_value[0] & 0x1F) * 0x100) + (ret_value[1] & 0xFC)) * 0.0625
- stri = "Temperature DDR4 in slot {0} node {1} is {2:3.2f} C".format(module, node_nr, temp)
- print(stri)
+ node_switch = I2C(0x72)
+ node_switch.bus = I2CBUSNR
+ node_switch.write_pointer(0x10) #select DDR4
+ if ret_ack < 1:
+ print("Node I2C switch not found")
+ else:
+ if module==0:
+ ddr_module = I2C(MB_I_TEMP_I2C_ADDR)
+ else:
+ ddr_module = I2C(MB_II_TEMP_I2C_ADDR)
+ ddr_module.bus = I2CBUSNR
+ ret_ack,raw_ret = ddr_module.read_bytes(MB_TEMP_REG, 2)
+ if (ret_ack < 1) | (len(raw_ret) < 1):
+ stri = "No DDR moduel in slot {0} node {1}".format(module, node_nr)
+ else:
+ ret_value=[]
+ ret_value.append(int(raw_ret[0:2],16))
+ ret_value.append(int(raw_ret[2:4],16))
+ temp = (((ret_value[0] & 0x1F) * 0x100) + (ret_value[1] & 0xFC)) * 0.0625
+ stri = "Temperature DDR4 in slot {0} node {1} is {2:3.2f} C".format(module, node_nr, temp)
+ print(stri)
def read_qsfp(node_nr = 0, module=0):
+ main_switch = I2C(0x71)
+ main_switch.bus = I2CBUSNR
main_switch.write_pointer(0x01<<node_nr) #select Node
- node_switch.write_pointer(QSFP_PORT[module]) #select QSFP cage 1
- QSFP_cage = I2C(QSFP_I2C_ADDR)
- QSFP_cage.bus = I2CBUSNR
- ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_TEMP, 2)
- if len(raw_ret) < 1:
- stri = "No QSFP module in slot {0} node {1}".format(module, node_nr)
+ if ret_ack < 1:
+ print("Main I2C switch not found")
else:
- ret_value=[]
- ret_value.append(int(raw_ret[0:2],16))
- ret_value.append(int(raw_ret[2:4],16))
- temp_in_mod = (ret_value[0] * 256 + ret_value[1]) / 256
- stri = "Temperature QSFP in slot {0} node {1} is {2:3.2f} gr. C".format(module, node_nr, temp_in_mod)
- print(stri)
- ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_VOLT, 2)
- ret_value.append(int(raw_ret[0:2],16))
- ret_value.append(int(raw_ret[2:4],16))
- Power_in_mod = (ret_value[0] * 256 + ret_value[1]) * 0.0001
- stri = "Voltage QSFP in slot {0} node {1} is {2:3.2f} V".format(module, node_nr, Power_in_mod)
- print(stri)
-
+ node_switch = I2C(0x72)
+ node_switch.bus = I2CBUSNR
+ node_switch.write_pointer(QSFP_PORT[module]) #select QSFP cage 1
+ if ret_ack < 1:
+ print("Node I2C switch not found")
+ else:
+ QSFP_cage = I2C(QSFP_I2C_ADDR)
+ QSFP_cage.bus = I2CBUSNR
+ ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_TEMP, 2)
+ if ret_ack < 1:
+ stri = "No QSFP module in slot {0} node {1}".format(module, node_nr)
+ else:
+ ret_value=[]
+ ret_value.append(int(raw_ret[0:2],16))
+ ret_value.append(int(raw_ret[2:4],16))
+ temp_in_mod = (ret_value[0] * 256 + ret_value[1]) / 256
+ stri = "Temperature QSFP in slot {0} node {1} is {2:3.2f} gr. C".format(module, node_nr, temp_in_mod)
+ print(stri)
+ ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_VOLT, 2)
+ ret_value.append(int(raw_ret[0:2],16))
+ ret_value.append(int(raw_ret[2:4],16))
+ Power_in_mod = (ret_value[0] * 256 + ret_value[1]) * 0.0001
+ stri = "Voltage QSFP in slot {0} node {1} is {2:3.2f} V".format(module, node_nr, Power_in_mod)
+ print(stri)
if 0:
rw_eeprom(0xCD)
else:
-# main_switch= I2C(0x71)
-# main_switch.bus = I2CBUSNR
-# node_switch = I2C(0x72)
-# node_switch.bus = I2CBUSNR
-# main_switch.write_pointer(0x20) #select LED
front_led()
-if 0:
- for node_cnt in range(4):
- for module_cnt in range(2):
- read_ddr(node_nr=node_cnt,module=module_cnt)
- for qsfp_cnt in range(6):
- read_qsfp(node_nr = node_cnt, module=qsfp_cnt)
+ if 0:
+ for node_cnt in range(4):
+ for module_cnt in range(2):
+ read_ddr(node_nr=node_cnt,module=module_cnt)
+ for qsfp_cnt in range(6):
+ read_qsfp(node_nr = node_cnt, module=qsfp_cnt)