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src.dualinventive.com/dinet/sec-multi-proxy/libdi/doc/drv/hl854x/commands.md

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HL854x AT Commands

Serial tty to tcp socket

socat tcp-l:2020,reuseaddr,fork file:/dev/ttyAMA0,echo=0,b115200,raw,crnl,icanon=1

Proxy two tcp connections

socat TCP4-LISTEN:10667,fork TCP:127.0.0.1:4000

Full example

AT+KCNXCFG=1,"GPRS","office.vodafone.com","vodafone","vodafone"
AT+KTCPCFG=1,0,"beta.dualinventive.com",10667
AT+KTCPCNX=1
AT+KTCPSND=1,12
\x44\x4A\x52\x01\x00\x0cAAPAAP--EOF--Pattern--

Simcard & carrier

# Check pin
AT+CPIN?
# Register network
AT+COPS=0
# Get cell registration info
AT+CREG?
# Get carrier name
AT+COPS?

APNs

# vodafone
#APN: office.vodafone.com
#User: vodafone
#Pass: vodafone
echo -e "AT+KCNXCFG=1,\"GPRS\",\"office.vodafone.com\",\"vodafone\",\"vodafone\"\r\n" | nc 192.168.23.141 2020

TCP client

# URC info
AT+KURCCFG?
# Config session 1 to tcp://beta.dualinventive.com:3003
echo -e "AT+KTCPCFG=1,0,\"beta.dualinventive.com\",3003\r\n" | nc 192.168.23.141 2020
# Connect
echo -e "AT+KTCPCNX=1\r\n" | nc 192.168.23.141 2020
# Close
AT+KTCPCLOSE=1

SMS commands

# set to text mode
echo -e "AT+CMGF=1\r\n" | nc 192.168.23.141 2020

# send message
# -- Start message
echo -e "AT+CMGS=\"+31639428774\"\r\n" | nc 192.168.23.141 2020
# -- Data
echo -e "test\r\n" | nc 192.168.23.141 2020
# -- end of message
echo -e "\x1A\r\n" | nc 192.168.23.141 2020

# Set new message indicator (copied from SMS-server)
echo -e "AT+CNMI=2,3,0,0,0\r\n" | nc 192.168.23.141 2020

# Read SMS message (from index 1)
echo -e "AT+CMGR=1\r\n" | nc 192.168.23.141 2020

# Read SMS message (from index 1)
echo -e "AT+CMGD=1\r\n" | nc 192.168.23.141 2020