112 lines
3.3 KiB
Text
112 lines
3.3 KiB
Text
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"import chipwhisperer as cw\n",
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"\n",
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"try:\n",
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" if not scope.connectStatus:\n",
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" scope.con()\n",
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"except NameError:\n",
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" scope = cw.scope()\n",
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"\n",
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"try:\n",
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" if SS_VER == \"SS_VER_2_1\":\n",
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" target_type = cw.targets.SimpleSerial2\n",
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" elif SS_VER == \"SS_VER_2_0\":\n",
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" raise OSError(\"SS_VER_2_0 is deprecated. Use SS_VER_2_1\")\n",
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" else:\n",
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" target_type = cw.targets.SimpleSerial\n",
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"except:\n",
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" SS_VER=\"SS_VER_1_1\"\n",
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" target_type = cw.targets.SimpleSerial\n",
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"\n",
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"try:\n",
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" target = cw.target(scope, target_type)\n",
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"except:\n",
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" print(\"INFO: Caught exception on reconnecting to target - attempting to reconnect to scope first.\")\n",
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" print(\"INFO: This is a work-around when USB has died without Python knowing. Ignore errors above this line.\")\n",
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" scope = cw.scope()\n",
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" target = cw.target(scope, target_type)\n",
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"\n",
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"\n",
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"print(\"INFO: Found ChipWhisperer😍\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"scope.gain.gain = 55\n",
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"scope.gain.mode = 'high'\n",
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"scope.adc.samples = 5000\n",
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"scope.adc.offset = 0\n",
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"scope.adc.basic_mode = \"rising_edge\"\n",
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"scope.clock.clkgen_freq = 7372800\n",
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"scope.clock.adc_src = \"clkgen_x4\"\n",
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"scope.clock.adc_phase = 128\n",
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"scope.trigger.triggers = \"tio4\"\n",
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"scope.io.tio1 = \"serial_rx\"\n",
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"scope.io.tio2 = \"serial_tx\"\n",
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"scope.io.tio3 = True #Run condition\n",
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"scope.io.pdic = False #SPI forwarding off\n",
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"scope.io.hs2 = \"clkgen\"\n",
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"\n",
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"target.baud = 38400\n",
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"\n",
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"print(\"\\n***ESP 32 Target Usage Notes***\")\n",
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"print(\" Call set_bootloader to enter BOOTLOADER so external USB-Serial cable will work.\")\n",
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"print(\" Call set_run to enter RUN mode.\")\n",
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"print(\" Jumper TDI to GND to disable boot-up messages (reduce noise if looking at boot decryption).\")\n",
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"\n",
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"\n",
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"def set_bootloader():\n",
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" scope.io.tio3 = False\n",
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" scope.io.tio1 = None\n",
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" scope.io.tio2 = None\n",
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" \n",
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" #Toggle reset\n",
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" scope.io.nrst = False\n",
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" time.sleep(0.05)\n",
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" scope.io.nrst = None #Pulls high by default\n",
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"\n",
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"def set_run():\n",
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" scope.io.tio3 = True\n",
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" scope.io.tio1 = \"serial_rx\"\n",
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" scope.io.tio2 = \"serial_tx\"\n",
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" \n",
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" #Toggle reset\n",
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" scope.io.nrst = False\n",
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" time.sleep(0.05)\n",
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" scope.io.nrst = None #Pulls high by default"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.9.5"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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