Hi Duane, I believe, but am not entirely sure, that OpenOCD 0.10.0 release was not able to flash nrf52x devices. I would suggest installing the latest from git. If using homebrew:
$ brew install --HEAD open-ocd Or "reinstall" might work (sorry, not macOS user here!) Best, Fabio On Thu, Jan 3, 2019, at 1:26 PM, Duane Hooton wrote: > I am attempting to establish a newt environment on a MacBook running > Mojave. This is a new computer and only supports usb-c ports. I have > attached a newt nano2 through an adapter to one of these ports. > > I have meticulously followed the steps to produce the Blinky app and > associated boot loader. Here is the output from newt target show: > > targets/my_blinky_sim > > app=apps/blinky > > bsp=@apache-mynewt-core/hw/bsp/native > > build_profile=debug > > targets/rbnano2_blinky > > app=apps/blinky > > bsp=@apache-mynewt-core/hw/bsp/rb-nano2 > > build_profile=debug > > targets/rbnano2_boot > > app=@apache-mynewt-core/apps/boot > > bsp=@apache-mynewt-core/hw/bsp/rb-nano2 > > build_profile=optimized > > The targets build successfully but when I attempt to load them I get the > following output: > > newt load rbnano2_blinky -v > > Loading app image into slot 1 > > Load command: > /Users/dhooton/Documents/projects/proxy/blinky/repos/apache-mynewt-core/ > hw/bsp/rb-nano2/rb-nano2_download.sh > /Users/dhooton/Documents/projects/proxy/blinky/repos/apache-mynewt-core/ > hw/bsp/rb-nano2 > bin/targets/rbnano2_blinky/app/apps/blinky/blinky > > Environment: > > * FEATURES=BASELIBC_PRESENT BSP_NRF52 CONSOLE_UART_BAUD CONSOLE_UART_DEV > CONSOLE_UART_FLOW_CONTROL FLASH_MAP_MAX_AREAS HAL_FLASH_VERIFY_BUF_SZ > I2C_0_FREQ_KHZ I2C_0_PIN_SCL I2C_0_PIN_SDA I2C_1_FREQ_KHZ MCU_DCDC_ENABLED > MCU_FLASH_MIN_WRITE_SIZE MCU_NRF52832 MSYS_1_BLOCK_COUNT MSYS_1_BLOCK_SIZE > NFC_PINS_AS_GPIO OS_CPUTIME_FREQ OS_CTX_SW_STACK_GUARD > OS_IDLE_TICKLESS_MS_MAX OS_IDLE_TICKLESS_MS_MIN OS_MAIN_STACK_SIZE > OS_MAIN_TASK_PRIO OS_SCHEDULING OS_SYSVIEW_TRACE_CALLOUT > OS_SYSVIEW_TRACE_EVENTQ OS_SYSVIEW_TRACE_MUTEX OS_SYSVIEW_TRACE_SEM > QSPI_FLASH_SECTOR_COUNT QSPI_PIN_CS QSPI_PIN_DIO0 QSPI_PIN_DIO1 > QSPI_PIN_DIO2 QSPI_PIN_DIO3 QSPI_PIN_SCK SANITY_INTERVAL > SPI_0_MASTER_PIN_MISO SPI_0_MASTER_PIN_MOSI SPI_0_MASTER_PIN_SCK > SPI_0_SLAVE_PIN_MISO SPI_0_SLAVE_PIN_MOSI SPI_0_SLAVE_PIN_SCK > SPI_0_SLAVE_PIN_SS SPI_1_MASTER_PIN_MISO SPI_1_MASTER_PIN_MOSI > SPI_1_MASTER_PIN_SCK SPI_1_SLAVE_PIN_MISO SPI_1_SLAVE_PIN_MOSI > SPI_1_SLAVE_PIN_SCK SPI_1_SLAVE_PIN_SS SYSINIT_CONSTRAIN_INIT TIMER_0 > UARTBB_0_PIN_RX UARTBB_0_PIN_TX UART_0 UART_0_PIN_CTS UART_0_PIN_RTS > UART_0_PIN_RX UART_0_PIN_TX UART_1_PIN_CTS UART_1_PIN_RTS WATCHDOG_INTERVAL > XTAL_32768 > > * FLASH_OFFSET=0x8000 > > * IMAGE_SLOT=0 > > * > CORE_PATH=/Users/dhooton/Documents/projects/proxy/blinky/repos/apache- > mynewt-core > > * > BSP_PATH=/Users/dhooton/Documents/projects/proxy/blinky/repos/apache- > mynewt-core/hw/bsp/rb-nano2 > > * BIN_BASENAME=bin/targets/rbnano2_blinky/app/apps/blinky/blinky > > Error: > > Downloading bin/targets/rbnano2_blinky/app/apps/blinky/blinky.img to 0x8000 > > Open On-Chip Debugger 0.10.0 > > Licensed under GNU GPL v2 > > For bug reports, read > > http://openocd.org/doc/doxygen/bugs.html > > Info : auto-selecting first available session transport "swd". To override > use 'transport select <transport>'. > > adapter speed: 10000 kHz > > cortex_m reset_config sysresetreq > > Info : CMSIS-DAP: SWD Supported > > Info : CMSIS-DAP: Interface Initialised (SWD) > > Info : CMSIS-DAP: FW Version = 1.0 > > Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 0 TDO = 0 nTRST = 0 nRESET = 1 > > Info : CMSIS-DAP: Interface ready > > Info : reduce speed request: 10000kHz to 5000kHz maximum > > Info : clock speed 10000 kHz > > Info : SWD DPIDR 0x2ba01477 > > Info : nrf52.cpu: hardware has 6 breakpoints, 4 watchpoints > > target halted due to debug-request, current mode: Thread > > xPSR: 0x01000000 pc: 0xfffffffe msp: 0xfffffffc > > .openocd_cmds:6: Error: invalid subcommand "write_image erase > bin/targets/rbnano2_blinky/app/apps/blinky/blinky.img 0x8000" > > in procedure 'script' > > at file "embedded:startup.tcl", line 60 > > in procedure 'flash' called at file ".openocd_cmds", line 6 > > > > load - Load application image on to the board for <target-name> > > > Usage: > > newt load <target-name> [flags] > > > Flags: > > --extrajtagcmd string Extra commands to send to JTAG software > > > Global Flags: > > -h, --help Help for newt commands > > -j, --jobs int Number of concurrent build jobs (default 8) > > -l, --loglevel string Log level (default "WARN") > > -o, --outfile string Filename to tee output to > > -q, --quiet Be quiet; only display error output > > -s, --silent Be silent; don't output anything > > -v, --verbose Enable verbose output when executing commands > > I have also tried the steps to remove write protection but without changing > the result. Any ideas on why the attempt to write/erase flash is failing? > It seems clear that I am communicating with the device. > > Thanks! > > -- > “Reality is merely an illusion, albeit a very persistent one.” Alert > Einstein
