WIZnet-EVB-PICO

# Raspberry Pi Pico SDK Examples ## Getting started See [Getting Started with the Raspberry Pi Pico](https://rptl.io/pico-get-started) and the README in the [pico-sdk](https://github.com/raspberrypi/pico-sdk) for information on getting up and running. ### First Examples App|Description | Link to prebuilt UF2 ---|---|--- [hello_serial](hello_world/serial) | The obligatory Hello World program for Pico (Output over serial version) | [hello_usb](hello_world/usb) | The obligatory Hello World program for Pico (Output over USB version) | https://rptl.io/pico-hello-usb [blink](blink) | Blink an LED on and off. | https://rptl.io/pico-blink ### ADC App|Description ---|--- [hello_adc](adc/hello_adc) | Display the voltage from an ADC input. [joystick_display](adc/joystick_display) | Display a Joystick X/Y input based on two ADC inputs. [adc_console](adc/adc_console) | An interactive shell for playing with the ADC. Includes example of free-running capture mode. [onboard_temperature](adc/onboard_temperature) | Display the value of the onboard temperature sensor. [microphone_adc](adc/microphone_adc) | Read analog values from a microphone and plot the measured sound amplitude. [dma_capture](adc/dma_capture) | Use the DMA to capture many samples from the ADC. [read_vsys](adc/read_vsys) | Demonstrates how to read VSYS to get the voltage of the power supply. ### Clocks App|Description ---|--- [hello_48MHz](clocks/hello_48MHz) | Change the system clock frequency to 48 MHz while running. [hello_gpout](clocks/hello_gpout) | Use the general purpose clock outputs (GPOUT) to drive divisions of internal clocks onto GPIO outputs. [hello_resus](clocks/hello_resus) | Enable the clock resuscitate feature, "accidentally" stop the system clock, and show how we recover. [detached_clk_peri](clocks/detached_clk_peri) | Detach peripheral clock and vary system clock. ### CMake App|Description ---|--- [build_variants](cmake/build_variants) | Builds two version of the same app with different configurations ### DMA App|Description ---|--- [hello_dma](dma/hello_dma) | Use the DMA to copy data in memory. [control_blocks](dma/control_blocks) | Build a control block list, to program a longer sequence of DMA transfers to the UART. [channel_irq](dma/channel_irq) | Use an IRQ handler to reconfigure a DMA channel, in order to continuously drive data through a PIO state machine. [sniff_crc](dma/sniff_crc) | Use the DMA engine's 'sniff' capability to calculate a CRC32 on a data buffer. ### Flash App|Description ---|--- [cache_perfctr](flash/cache_perfctr) | Read and clear the cache performance counters. Show how they are affected by different types of flash reads. [nuke](flash/nuke) | Obliterate the contents of flash. An example of a NO_FLASH binary (UF2 loaded directly into SRAM and runs in-place there). A useful utility to drag and drop onto your Pico if the need arises. [program](flash/program) | Erase a flash sector, program one flash page, and read back the data. [xip_stream](flash/xip_stream) | Stream data using the XIP stream hardware, which allows data to be DMA'd in the background whilst executing code from flash. [ssi_dma](flash/ssi_dma) | DMA directly from the flash interface (continuous SCK clocking) for maximum bulk read performance. ### GPIO App|Description ---|--- [hello_7segment](gpio/hello_7segment) | Use the GPIOs to drive a seven segment LED display. [hello_gpio_irq](gpio/hello_gpio_irq) | Register an interrupt handler to run when a GPIO is toggled. [dht_sensor](gpio/dht_sensor) | Use GPIO to bitbang the serial protocol for a DHT temperature/humidity sensor. See also: [blink](blink), blinking an LED attached to a GPIO. ### HW divider App|Description ---|--- [hello_divider](divider) | Show how to directly access the hardware integer dividers, in case AEABI injection is disabled. ### I2C App|Description ---|--- [bus_scan](i2c/bus_scan) | Scan the I2C bus for devices and display results. [bmp280_i2c](i2c/bmp280_i2c) | Read and convert temperature and pressure data from a BMP280 sensor, attached to an I2C bus. [lcd_1602_i2c](i2c/lcd_1602_i2c) | Display some text on a generic 16x2 character LCD display, via I2C. [lis3dh_i2c](i2c/lis3dh_i2c) | Read acceleration and temperature value from a LIS3DH sensor via I2C [mcp9808_i2c](i2c/mcp9808_i2c) | Read temperature, set limits and raise alerts when limits are surpassed. [mma8451_i2c](i2c/mma8451_i2c) | Read acceleration from a MMA8451 accelerometer and set range and precision for the data. [mpl3115a2_i2c](i2c/mpl3115a2_i2c) | Interface with an MPL3115A2 altimeter, exploring interrupts and advanced board features, via I2C. [mpu6050_i2c](i2c/mpu6050_i2c) | Read acceleration and angular rate values from a MPU6050 accelerometer/gyro, attached to an I2C bus. [ssd1306_i2c](i2c/ssd1306_i2c) | Convert and display a bitmap on a 128x32 or 128x64 SSD1306-driven OLED display [pa1010d_i2c](i2c/pa1010d_i2c) | Read GPS location data, parse and display data via I2C. [pcf8523_i2c](i2c/pcf8523_i2c) | Read time and date values from a real time clock. Set current time and alarms on it. [ht16k33_i2c](i2c/ht16k33_i2c) | Drive a 4 digit 14 segment LED with an HT16K33. [slave_mem_i2c](i2c/slave_mem_i2c) | i2c slave example where the slave implements a 256 byte memory ### Interpolator App|Description ---|--- [hello_interp](interp/hello_interp) | A bundle of small examples, showing how to access the core-local interpolator hardware, and use most of its features. ### Multicore App|Description ---|--- [hello_multicore](multicore/hello_multicore) | Launch a function on the second core, printf some messages on each core, and pass data back and forth through the mailbox FIFOs. [multicore_fifo_irqs](multicore/multicore_fifo_irqs) | On each core, register and interrupt handler for the mailbox FIFOs. Show how the interrupt fires when that core receives a message. [multicore_runner](multicore/multicore_runner) | Set up the second core to accept, and run, any function pointer pushed into its mailbox FIFO. Push in a few pieces of code and get answers back. ### Pico Board App|Description ---|--- [blinky](picoboard/blinky) | Blink "hello, world" in Morse code on Pico's LED [button](picoboard/button) | Use Pico's BOOTSEL button as a regular button input, by temporarily suspending flash access. ### Pico W Networking These examples are for the Pico W, and are only available for `PICO_BOARD=pico_w` App|Description ---|--- [picow_access_point](pico_w/wifi/access_point) | Starts a WiFi access point, and fields DHCP requests. [picow_blink](pico_w/wifi/blink) | Blinks the on-board LED (which is connected via the WiFi chip). [picow_iperf_server](pico_w/wifi/iperf) | Runs an "iperf" server for WiFi speed testing. [picow_ntp_client](pico_w/wifi/ntp_client) | Connects to an NTP server to fetch and display the current time. [picow_tcp_client](pico_w/wifi/tcp_client) | A simple TCP client. You can run [python_test_tcp_server.py](pico_w/wifi/python_test_tcp/python_test_tcp_server.py) for it to connect to. [picow_tcp_server](pico_w/wifi/tcp_server) | A simple TCP server. You can use [python_test_tcp_client.py](pico_w//wifi/python_test_tcp/python_test_tcp_client.py) to connect to it. [picow_tls_client](pico_w/wifi/tls_client) | Demonstrates how to make a HTTPS request using TLS. [picow_tls_verify](pico_w/wifi/tls_client) | Demonstrates how to make a HTTPS request using TLS with certificate verification. [picow_wifi_scan](pico_w/wifi/wifi_scan) | Scans for WiFi networks and prints the results. [picow_udp_beacon](pico_w/wifi/udp_beacon) | A simple UDP transmitter. #### FreeRTOS examples These are examples of integrating Pico W networking under FreeRTOS, and require you to set the `FREERTOS_KERNEL_PATH` to point to the FreeRTOS Kernel. App|Description ---|--- [picow_freertos_iperf_server_nosys](pico_w/wifi/freertos/iperf) | Runs an "iperf" server for WiFi speed testing under FreeRTOS in NO_SYS=1 mode. The LED is blinked in another task [picow_freertos_iperf_server_