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from ws_connection import ClientClosedError
from ws_server import WebSocketServer, WebSocketClient
import network
import machine
import neopixel
import time
import uasyncio

np = neopixel.NeoPixel(machine.Pin(27), 50)

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```brew install openocd```


make a file called openocd.cfg in a folder containing...
  # Atmel-ICE JTAG/SWD in-circuit debugger.
  interface cmsis-dap

  # Chip info 
  set CHIPNAME at91samd21g18
  source [find target/at91samdXX.cfg]

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#define UARTx                 USART1
#define UART_GPIO_PORT        GPIOA
#define UART_GPIO_AF          GPIO_AF7_USART1
#define UART_TX_PIN           GPIO_PIN_9
#define UART_RX_PIN           GPIO_PIN_10

__HAL_RCC_GPIOA_CLK_ENABLE(); // USART1 RX/TX
__HAL_RCC_USART1_CLK_ENABLE();

GPIO_InitStruct.Pin       = UART_TX_PIN | UART_RX_PIN;

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diff --git a/foo b/foo
index 678abfc97..ae7ad5315 100644
--- a/foo
+++ b/foo
@@ -3831,7 +3831,7 @@ Linker script and memory map
                 0x0000000008000000                g_pfnVectors
                 0x00000000080001c8                . = ALIGN (0x4)
 
-.text           0x0000000008020000    0x53180
+.text           0x0000000008020000    0x53190

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Full Speed device @ 32 (0x14500000): .............................................   Miscellaneous/Common Class device: "TinyUSB Device"
    Port Information:   0x001a
           Not Captive
           Attached to Root Hub
           External Device
           Connected
           Enabled
    Number Of Endpoints (includes EP0):   
        Total Endpoints for Configuration 1 (unconfigured):   9
    Device Descriptor   

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0000:AAAA00018000000180004A51EA505A51C99E0001800000018000000180005555
0001:AAAA00018000000180003993C252325F8A527193800000018000000180005555
0002:AAAA00018000000180003BA5C124311989247125800000018000000180005555
0003:AAAA00018000000180007BA5C1247919C1247925800000018000000180005555
0004:AAAA000180000001800079BFC2487A49C2487989800000018000000180005555
0005:AAAA00018000000180007A4DC2527B53C2D67A4F800000018000000180005555
0006:AAAA000180000001800031A5CA287A31CA2849A5800000018000000180005555
0007:AAAA000180000001800073D1CA1073D1CA1073DF800000018000000180005555
0008:AAAA00018000000180001E3991401E3191081E71800000018000000180005555
0009:AAAA000180000001800022F9A2203E21A2202221800000018000000180005555

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FROM alpine:3.11

RUN apk add gcc-arm-none-eabi gettext
RUN pip install requests sh click setuptools awscli

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# Simple test of the MPR121 capacitive touch sensor library.
# Will print out a message when any of the 12 capacitive touch inputs of the
# board are touched.  Open the serial REPL after running to see the output.
# Author: Tony DiCola
import time
import board
import busio

# Import MPR121 module.
import adafruit_mpr121

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(gdb) help all

Command class: aliases

ni -- Step one instruction
rc -- Continue program being debugged but run it in reverse
rni -- Step backward one instruction
rsi -- Step backward exactly one instruction
si -- Step one instruction exactly
stepping -- Specify single-stepping behavior at a tracepoint

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gpioc: gpio@40020800 {
  compatible = "st,stm32-gpio";
  gpio-controller;
  #gpio-cells = < 0x2 >;
  reg = < 0x40020800 0x400 >;
  clocks = < &rcc 0x0 0x4 >;
  label = "GPIOC";
  phandle = < 0x9 >;
};