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/Zephyr-Core-3.5.0/tests/kernel/fpu_sharing/generic/src/
Dpi.c10 * @brief pi computation portion of FPU sharing test
18 * Testing utilizes a pair of tasks that independently compute pi. The lower
22 * The following formula is used to compute pi:
24 * pi = 4 * (1 - 1/3 + 1/5 - 1/7 + 1/9 - ... )
26 * This series converges to pi very slowly. For example, performing 50,000
29 * A reference value of pi is computed once at the start of the test. All
69 * @brief Entry point for the low priority pi compute task
75 volatile FP_TYPE pi; /* volatile to avoid optimizing out of loop */ in calculate_pi_low() local
84 pi = FP_CONSTANT(1.0); in calculate_pi_low()
88 pi += sign / divisor; in calculate_pi_low()
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Dmain.c23 * Enable round robin scheduling to allow both the low priority pi in generic_setup()
24 * computation and load/store tasks to execute. The high priority pi in generic_setup()
/Zephyr-Core-3.5.0/samples/arch/smp/pi/
DREADME.rst3 SMP Pi
8 This sample application calculates Pi independently in many threads, and
24 This project outputs Pi values calculated by each thread and in the end total time
29 :zephyr-app: samples/arch/smp/pi
40 Calculate first 240 digits of Pi independently by 16 threads.
41 Pi value calculated by thread #0: 3141592653589793238462643383279502884197...
42 Pi value calculated by thread #1: 3141592653589793238462643383279502884197...
44 Pi value calculated by thread #14: 314159265358979323846264338327950288419...
45 Pi value calculated by thread #15: 314159265358979323846264338327950288419...
Dsample.yaml2 description: Calculation of Pi independently in
4 name: SMP Pi
14 - "Calculate first [0-9]+ digits of Pi independently by [0-9]+ threads.(.*)"
15 - "Pi value calculated by thread #[0-9]+: [0-9]+(.*)"
18 sample.smp.pi:
/Zephyr-Core-3.5.0/drivers/sensor/rpi_pico_temp/
DKconfig1 # Raspberry Pi Pico temperature sensor configuration options
7 bool "Raspberry Pi Pico CPU Temperature Sensor"
13 Enable driver for Raspberry Pi Pico CPU temperature sensor.
/Zephyr-Core-3.5.0/soc/arm/rpi_pico/rp2/
DKconfig.series1 # Raspberry Pi RP2XXX MCU line
8 bool "Raspberry Pi RP2 series MCU"
19 Enable support for Raspberry Pi RP2 MCU series
DKconfig.soc1 # Raspberry Pi RP2XXX MCU line
12 bool "Raspberry Pi RP2040"
Dsoc.c10 * @brief System/hardware module for Raspberry Pi RP2040 family processor
13 * for the Raspberry Pi RP2040 family processor.
/Zephyr-Core-3.5.0/boards/arm64/rpi_4b/doc/
Dindex.rst3 Raspberry Pi 4 Model B (Cortex-A72)
8 see <https://www.raspberrypi.com/products/raspberry-pi-4-model-b/specifications/>
12 see <https://www.raspberrypi.com/documentation/computers/raspberry-pi.html>
16 The Raspberry Pi 4 Model B board configuration supports the following
39 1. Install Raspberry Pi OS using Raspberry Pi Imager. see <https://www.raspberrypi.com/software/>.
46 Hello World! Raspberry Pi 4 Model B!
/Zephyr-Core-3.5.0/boards/arm/pico_pi_m4/
DKconfig.board1 # Pico-Pi iMX7D M4 board
7 bool "Pico-PI iMX7D Dual"
/Zephyr-Core-3.5.0/boards/arm/rpi_pico/
DKconfig.board5 bool "Raspberry Pi Pico Board"
9 bool "Raspberry Pi Pico W Board"
/Zephyr-Core-3.5.0/drivers/flash/
DKconfig.rpi_pico6 bool "Raspberry Pi Pico flash driver"
13 Enable Raspberry Pi Pico flash driver.
/Zephyr-Core-3.5.0/drivers/serial/
DKconfig.rpi_pico5 bool "Raspberry Pi UART driver"
14 bool "Raspberry Pi PIO UART driver"
/Zephyr-Core-3.5.0/boards/arm/rpi_pico/doc/
Dindex.rst3 Raspberry Pi Pico
9 The Raspberry Pi Pico and Pico W are small, low-cost, versatile boards from
10 Raspberry Pi. They are equipped with an RP2040 SoC, an on-board LED,
37 :alt: Raspberry Pi Pico
42 :alt: Raspberry Pi Pico W
44 Raspberry Pi Pico (above) and Pico W (below)
45 (Images courtesy of Raspberry Pi)
137 PIO programs are assembled using `pioasm`, a tool provided by Raspberry Pi.
189 The Raspberry Pi Pico has an SWD interface that can be used to program
217 How to connect `picoprobe` and `raspberrypi-swd` is described in `Getting Started with Raspberry Pi…
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/Zephyr-Core-3.5.0/tests/kernel/fpu_sharing/generic/
DREADME.txt8 2) independently compute pi and check for any errors
69 Pi calculation OK after 50 (high) + 10 (low) tests (computed 3.141598)
70 Pi calculation OK after 150 (high) + 31 (low) tests (computed 3.141598)
71 Pi calculation OK after 250 (high) + 51 (low) tests (computed 3.141598)
72 Pi calculation OK after 350 (high) + 72 (low) tests (computed 3.141598)
73 Pi calculation OK after 450 (high) + 92 (low) tests (computed 3.141598)
/Zephyr-Core-3.5.0/dts/bindings/gpio/
Draspberrypi,pico-header.yaml5 GPIO pins exposed on Raspberry Pi Pico headers.
7 The Raspberry Pi Pico layout provides 2 columns of 20 pins headers
Draspberrypi-40pins-header.yaml5 GPIO pins exposed on Raspberry Pi 40-pin header.
7 The Raspberry Pi layout provides a 2x20 pins header.
/Zephyr-Core-3.5.0/samples/modules/tflite-micro/hello_world/src/
Dconstants.h21 * which is from 0 to (2 * Pi). We approximate Pi to avoid requiring additional
/Zephyr-Core-3.5.0/samples/arch/smp/pi/src/
Dmain.c14 * Amount of digits of Pi to calculate, must be a multiple of 4,
41 * Adapted and improved (for random number of digits) version of Pi in test_thread()
85 printk("Calculate first %d digits of Pi independently by %d threads.\n", in main()
110 printk("Pi value calculated by thread #%d: %s\n", i, th_buffer[i]); in main()
/Zephyr-Core-3.5.0/boards/arm64/rpi_4b/
Drpi_4b.yaml2 name: Raspberry Pi 4 Model B
DKconfig.defconfig5 default "Raspberry Pi 4 Model B"
/Zephyr-Core-3.5.0/dts/bindings/spi/
Draspberrypi,pico-spi.yaml1 description: Raspberry Pi Pico SPI
/Zephyr-Core-3.5.0/dts/bindings/i2c/
Draspberrypi,pico-i2c.yaml1 description: Raspberry Pi Pico I2C
/Zephyr-Core-3.5.0/drivers/reset/
DKconfig.rpi_pico5 bool "Raspberry Pi Reset Controller driver"
/Zephyr-Core-3.5.0/drivers/gpio/
DKconfig.rpi_pico8 bool "Raspberry Pi Pico GPIO driver"

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