Flashing CC13*2 using OpenOCD

cc2538-and-openocd.md

Flashing CC13x2 with OpenOCD Using XDS110 and JTAG.

Install OpenOCD version 0.11.0 (or maybe higher)

You can also build it yourself.

Boards setup

If you are using Launchpads to experiment this setup, you are going to need to prepare them as it is being shown in this image.

CC1352 Chain Setup

The scan chain can be easily created with N devices using my custom script ti_cc1352_chain.cfg.

# Leandro Heck
# [email protected]

# This example uses ti_cc26x0.cfg to create a daisy chain of equal devices 

# set _N_CPUS 1
# set _BIN_FILE "/home/lheck/workspace_v11/timerled_CC1352R1_LAUNCHXL_tirtos_ccs/Debug/timerled_CC1352R1_LAUNCHXL_tirtos_ccs.bin"
# set _CHIP_PREFIX "cc1352"

if { [info exists CHIP_PREFIX] } {
    set _CHIP_PREFIX ${CHIP_PREFIX}
} else {
    set _CHIP_PREFIX "cc1352"
}

if { [info exists N_CPUS] } {
    set _N_CPUS ${N_CPUS}
} else {
    set _N_CPUS 1
}

if { [info exists BIN_FILE] } {
    set _BIN_FILE ${BIN_FILE}
} else {
    puts "You must set the BIN_FILE"
    exit
}

proc create_target {target_name} {
    set CHIPNAME ${target_name}
    set WORKAREASIZE 0x7000
    set JRC_TAPID 0x0BB4102F
    source [find target/ti_cc26x0.cfg]
}

proc flash_target {target_name bin_file} {
    targets ${target_name}.cpu
    reset init
    program ${bin_file} verify
}

proc create_all_targets {n_cpus _CHIP_PREFIX} {
    for {set i 0} {${i} < ${n_cpus}} {incr i} {
        set target "${_CHIP_PREFIX}_$i"
        create_target ${target}
    }
}

proc flash_all_targets {n_cpus _CHIP_PREFIX bin_file} {
    for {set i 0} {${i} < ${n_cpus}} {incr i} {
        set target "${_CHIP_PREFIX}_$i"
        flash_target ${target} ${bin_file}
    }
}

create_all_targets ${_N_CPUS} ${_CHIP_PREFIX}

init

flash_all_targets ${_N_CPUS} ${_CHIP_PREFIX} ${_BIN_FILE}

# scan_chain
targets

reset run

# exit

Flashing N boards

The last step is to launch openocd with the following command using the previows ./ti_cc1352_chain.cfg script.

openocd \
  -c " \
    # The interface here is he XDS110
    source [find interface/xds110.cfg]
    reset_config
    transport select jtag
    adapter speed 1000
    set N_CPUS 2
    set BIN_FILE program.bin
    source ./ti_cc1352_chain.cfg
  "

ti_cc1352_chain.cfg

# Leandro Heck
# [email protected]

# This example uses ti_cc26x0.cfg to create a daisy chain of equal devices 

# set _N_CPUS 1
# set _BIN_FILE "/home/lheck/workspace_v11/timerled_CC1352R1_LAUNCHXL_tirtos_ccs/Debug/timerled_CC1352R1_LAUNCHXL_tirtos_ccs.bin"
# set _CHIP_PREFIX "cc1352"

if { [info exists CHIP_PREFIX] } {
    set _CHIP_PREFIX ${CHIP_PREFIX}
} else {
    set _CHIP_PREFIX "cc1352"
}

if { [info exists N_CPUS] } {
    set _N_CPUS ${N_CPUS}
} else {
    set _N_CPUS 1
}

if { [info exists BIN_FILE] } {
    set _BIN_FILE ${BIN_FILE}
} else {
    puts "You must set the BIN_FILE"
    exit
}

proc create_target {target_name} {
    set CHIPNAME ${target_name}
    set WORKAREASIZE 0x7000
    set JRC_TAPID 0x0BB4102F
    source [find target/ti_cc26x0.cfg]
}

proc flash_target {target_name bin_file} {
    targets ${target_name}.cpu
    reset init
    program ${bin_file} verify
}

proc create_all_targets {n_cpus _CHIP_PREFIX} {
    for {set i 0} {${i} < ${n_cpus}} {incr i} {
        set target "${_CHIP_PREFIX}_$i"
        create_target ${target}
    }
}

proc flash_all_targets {n_cpus _CHIP_PREFIX bin_file} {
    for {set i 0} {${i} < ${n_cpus}} {incr i} {
        set target "${_CHIP_PREFIX}_$i"
        flash_target ${target} ${bin_file}
    }
}

create_all_targets ${_N_CPUS} ${_CHIP_PREFIX}

init

flash_all_targets ${_N_CPUS} ${_CHIP_PREFIX} ${_BIN_FILE}

# scan_chain
targets

reset run

# exit