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A71CH Could not establish communication protocol

Question asked by cheng xuan on Mar 3, 2020
Latest reply on Mar 5, 2020 by Kan_Li

Hello,

My device USES IMX6ULL to connect to the A71CH.Run ~ / axHostSw/hostLib/embSeEngine/a71chDemo/scripts/a71chPrepareEcc sh, appear the error, the LOG is as follows:

A71CH Key provisioning script (Rev.0.9).
Executing this script will create new keys and insert these keys
in the attached A71CH secure element.
Are you sure? [y/N] y
Continuing
GNU/Linux
Assume we run on Linux
>> openssl ecparam -name prime256v1 -out ../ecc/prime256v1.pem

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_kp_0.pem

>> openssl ec -in ../ecc/ecc_key_kp_0.pem -pubout -out ../ecc/ecc_key_kp_pubonly_0.pem
read EC key
writing EC key

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_kp_1.pem

>> openssl ec -in ../ecc/ecc_key_kp_1.pem -pubout -out ../ecc/ecc_key_kp_pubonly_1.pem
read EC key
writing EC key

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_kp_2.pem

>> openssl ec -in ../ecc/ecc_key_kp_2.pem -pubout -out ../ecc/ecc_key_kp_pubonly_2.pem
read EC key
writing EC key

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_kp_3.pem

>> openssl ec -in ../ecc/ecc_key_kp_3.pem -pubout -out ../ecc/ecc_key_kp_pubonly_3.pem
read EC key
writing EC key

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_pub_0.pem

>> openssl ec -in ../ecc/ecc_key_pub_0.pem -pubout -out ../ecc/ecc_key_pub_pubonly_0.pem
read EC key
writing EC key

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_pub_1.pem

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/ecc_key_pub_2.pem

>> openssl ecparam -in ../ecc/prime256v1.pem -genkey -noout -out ../ecc/remote_ecc_kp.pem

>> ../../../../linux/a71chConfig_i2c_imx debug reset
a71chConfig (Rev 1.20) .. connect to A71CH. Chunksize at link layer = 256.
I2CInit: opening /dev/i2c-1
I2C driver: PEC flag cleared
I2C driver supports plain i2c-level commands.
I2C driver supports Read Block.
Error: Failed to retrieve ready status.
sci2c_Init failed 2
SM_Connect failed with status 0x7013 (Could not establish communication protocol)

==========SELECT-FAILED=========
Select failed. SW = 0x0005
"../../../../linux/a71chConfig_i2c_imx debug reset" failed to run successfully, returned 12

 

Cloud you help me?

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