def read_mfr_fw_revision(i2c_bus, i2c_addr):
"""
@summary: Read MFR_FW_REVISION.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, MFR_FWUPLOAD_REVISION, 8)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
ascii_str = ''.join(chr(int(i, 16)) for i in ret.split())
return ascii_str
def read_mfr_fw_upload_status(i2c_bus, i2c_addr):
"""
@summary: Read MFR_FW_UPLOAD_STATUS.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, MFR_FWUPLOAD_STATUS, 1)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
upload_status = UPLOAD_STATUS_DICT.get(int(ret, 16))
print(upload_status)
return upload_status
def read_mfr_fw_upload_mode(i2c_bus, i2c_addr):
"""
@summary: Read MFR_FW_UPLOAD_MODE.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, MFR_FWUPLOAD_MODE, 1)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
upload_mode = UPLOAD_MODE_DICT.get(int(ret, 16))
print(upload_mode)
return upload_mode
def bootloader_status(i2c_bus, i2c_addr):
"""
@summary: read bootloader status.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, BOOTLOADER_STATUS_ADDR, 1)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
bl_status = bootloader_status_dict.get(int(ret, 16))
print(bl_status)
return bl_status
def poll_upgrade_status(i2c_bus, i2c_addr):
"""
@summary: poll upgrade status.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, UPGRADE_STATUS_ADDR, 1)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
upgrade_status = upgrade_status_dict.get(int(ret, 16), "POLL_STATUS_UNDEFINED")
# print(upgrade_status)
return upgrade_status
def check_power_supply_status(i2c_bus, i2c_addr):
"""
@summary: check power supply status.
"""
ret = psu_upd_cmn.pmbus_read(i2c_bus, i2c_addr, PS_STATUS_ADDR, 3)
if ret != '' and len(ret) > 3 and ret[:2] == '0x':
# print("check_power_supply_status: {}".format(ret))
ps_status = [int(i, 16) for i in ret.split()]
bootoader_mode = ps_status[1] & 1 << 2
bootload_complette = ps_status[1] & 1 << 1
power_down = ps_status[1] & 1 << 0
print("bootoader_mode:{0}, bootload_complette:{1}, power_down:{2}".format(bootoader_mode, bootload_complette, power_down))