2016-08-29 04:24:22 -04:00
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#
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# Example configuration file to hook up an ESP32 module or board to a JTAG
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# adapter. Please modify this file to your local setup.
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#
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#
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# Include the configuration for the JTAG adapter. We use the Tian TUMPA here.
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# If you have a different interface, please edit this to include the
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# configuration file of yours.
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source [find interface/ftdi/tumpa.cfg]
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# The ESP32 only supports JTAG.
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transport select jtag
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# The speed of the JTAG interface, in KHz. If you get DSR/DIR errors (and they
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# do not relate to OpenOCD trying to read from a memory range without physical
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# memory being present there), you can try lowering this.
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adapter_khz 200
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# With no variables set, openocd will configure JTAG for the two cores of the ESP32 and
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2016-08-29 23:30:03 -04:00
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# will do automatic RTOS detection. This can be be adjusted by uncommenting any of the
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2016-08-29 04:24:22 -04:00
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# following lines:
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# Only configure the PRO CPU
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#set ESP32_ONLYCPU 1
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# Only configure the APP CPU
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#set ESP32_ONLYCPU 2
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# Disable RTOS support
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#set ESP32_RTOS none
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# Force RTOS to be FreeRTOS
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#set ESP32_RTOS FreeRTOS
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#Source the ESP32 configuration file
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source [find target/esp32.cfg]
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# The TDI pin of ESP32 is also a bootstrap pin that selects the voltage the SPI flash
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2016-08-29 23:30:03 -04:00
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# chip runs at. When a hard reset happens (e.g. because someone switches the board off
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2016-08-29 04:24:22 -04:00
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# and on) the ESP32 will use the current TDI value as the bootstrap value because the
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# JTAG adapter overrides the pull-up or pull-down resistor that is supposed to do the
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# bootstrapping. These lines basically set the idle value of the TDO line to a
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# specified value, therefore reducing the chance of a bad bootup due to a bad flash
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# voltage greatly.
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# Enable this for 1.8V SPI flash
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esp108 flashbootstrap 1.8
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# Enable this for 3.3V SPI flash
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#esp108 flashbootstrap 3.3
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