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variants: import Nano 33 BLE Sense updates from 0.55.0
Bring in the Nano 33 BLE Sense variant changes from the 0.55.0 delta, including board configuration, extended pin mappings, peripheral setup, sensor power initialization, and example skip metadata. USB has not yet been implemented in this repository, cdc_acm_uart is disabled. Co-authored-by: Daniele Cloralio <d.cloralio@arduino.cc> Co-authored-by: Luca Burelli <l.burelli@arduino.cc> Co-authored-by: Martino Facchin <m.facchin@arduino.cc> Co-authored-by: Mike S <CyberMerln@gmail.com> Co-authored-by: bogdanf132 <bogdan_ivanus@yahoo.com> Co-authored-by: pennam <m.pennasilico@arduino.cc> Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
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Lines changed: 216 additions & 18 deletions

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‎variants/arduino_nano_33_ble_nrf52840_sense/arduino_nano_33_ble_nrf52840_sense.conf‎

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# Copyright (c) Arduino s.r.l. and/or its affiliated companies
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_BT=y
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CONFIG_BT_HCI_RAW=y
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CONFIG_BT_HCI_RAW_H4=y
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CONFIG_BT_HCI_RAW_H4_ENABLE=y
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CONFIG_BT_BUF_ACL_RX_SIZE=255
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CONFIG_BT_BUF_CMD_TX_SIZE=255
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CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255
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CONFIG_BT_MAX_CONN=4
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CONFIG_BT_CTLR_ADV_EXT=y
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CONFIG_BT_CTLR_ADV_PERIODIC=y
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CONFIG_BT_RX_STACK_SIZE=4096
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CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
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CONFIG_USB_DEVICE_STACK=y
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CONFIG_USB_DEVICE_PRODUCT="Arduino Nano 33 BLE"
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CONFIG_USB_DEVICE_MANUFACTURER="Arduino"
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CONFIG_USB_DEVICE_VID=0x2341
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CONFIG_USB_DEVICE_PID=0x035A
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CONFIG_USB_CDC_ACM=y
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CONFIG_USB_CDC_ACM_RINGBUF_SIZE=1024
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CONFIG_UART_LINE_CTRL=y
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CONFIG_CDC_ACM_DTE_RATE_CALLBACK_SUPPORT=y
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CONFIG_LOG_BACKEND_UART=y
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CONFIG_LOG_BACKEND_UART_AUTOSTART=n
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CONFIG_LOG_DEFAULT_LEVEL=2
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CONFIG_ADC=y
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CONFIG_PWM=y
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CONFIG_COUNTER=y
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CONFIG_LLEXT_STORAGE_WRITABLE=n
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CONFIG_HEAP_MEM_POOL_SIZE=16384
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CONFIG_LLEXT_HEAP_SIZE=128
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CONFIG_MAIN_STACK_SIZE=16384
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CONFIG_FPU=y
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CONFIG_STACK_USAGE=n
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CONFIG_STACK_SENTINEL=n
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CONFIG_STACK_CANARIES=n

‎variants/arduino_nano_33_ble_nrf52840_sense/arduino_nano_33_ble_nrf52840_sense.overlay‎

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/*
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* Copyright (c) Arduino s.r.l. and/or its affiliated companies
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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//&zephyr_udc0 {
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// board_cdc_acm_uart: board_cdc_acm_uart {
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// compatible = "zephyr,cdc-acm-uart";
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// status = "okay";
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// };
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//};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "sam-ba";
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reg = <0x00000000 0x00010000>;
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read-only;
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};
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code_partition: partition@10000 {
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label = "code";
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reg = <0x00010000 0x00060000>;
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read-only;
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};
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user_sketch: partition@70000 {
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label = "user";
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reg = <0x070000 0x88000>;
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};
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/*
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* The flash starting at 0x000f8000 and ending at
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* 0x000fffff is reserved for use by the application.
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*
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@f8000 {
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label = "storage";
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reg = <0x000f8000 0x00008000>;
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};
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};
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};
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/{
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// chosen {
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// zephyr,log-uart = &log_uarts;
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// };
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//
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// log_uarts: log_uarts {
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// compatible = "zephyr,log-uart";
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// uarts = <&uart0 &board_cdc_acm_uart>;
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// };
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};
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/ {
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zephyr,user {
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pin-enable-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
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digital-pin-gpios = <&arduino_nano_header 0 0>,
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<&arduino_nano_header 1 0>,
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<&arduino_nano_header 2 0>,
@@ -21,7 +85,19 @@
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<&arduino_nano_header 18 0>, /* D18 / A4 / I2C-SDA */
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<&arduino_nano_header 19 0>, /* D19 / A5 / I2C-SCL */
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<&arduino_nano_header 20 0>,
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<&arduino_nano_header 21 0>;
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<&arduino_nano_header 21 0>,
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<&gpio0 24 0>, /* D22 LED R */
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<&gpio0 16 0>, /* D23 LED G */
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<&gpio0 6 0>, /* D24 LED B */
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<&gpio1 9 0>, /* D25 LED PWR */
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<&gpio0 19 0>, /* D26 INT APDS */
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<&gpio0 17 0>, /* D27 PDM PWR */
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<&gpio0 26 0>, /* D28 PDM CLK */
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<&gpio0 25 0>, /* D29 PDM DIN */
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<&gpio0 14 0>, /* D30 SDA2 */
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<&gpio0 15 0>, /* D31 SCL2 */
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<&gpio1 0 0>, /* D32 I2C_PULL */
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<&gpio0 22 0>; /* D33 VDD_ENV_ENABLE */
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pwm-pin-gpios = <&arduino_nano_header 3 0>,
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<&arduino_nano_header 5 0>,
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builtin-led-gpios = <&arduino_nano_header 13 0>;
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pwms = <&pwm1 1 255 PWM_POLARITY_NORMAL>,
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<&pwm1 2 255 PWM_POLARITY_NORMAL>,
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<&pwm1 3 255 PWM_POLARITY_NORMAL>,
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<&pwm2 0 255 PWM_POLARITY_NORMAL>,
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<&pwm2 1 255 PWM_POLARITY_NORMAL>,
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<&pwm2 2 255 PWM_POLARITY_NORMAL>,
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<&pwm2 3 255 PWM_POLARITY_NORMAL>;
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pwms = <&pwm1 1 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm1 2 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm1 3 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm2 0 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm2 1 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm2 2 PWM_HZ(500) PWM_POLARITY_NORMAL>,
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<&pwm2 3 PWM_HZ(500) PWM_POLARITY_NORMAL>;
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io-channels = <&adc 2>,
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<&adc 3>,
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<&adc 4>,
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<&adc 1>;
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62-
serials = <&uart0>;
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i2cs = <&arduino_nano_i2c>;
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//cdc-acm-serial = <&board_cdc_acm_uart>; /* 'Serial' object is managed by SerialUSB */
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serials = <&uart0>; /* 'Serial1' onwards */
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i2cs = <&arduino_nano_i2c>, <&i2c1>;
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};
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};
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN0>; /* P0.02 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@1 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN1>; /* P0.03 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@2 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN2>; /* P0.04 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@3 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN3>; /* P0.05 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@4 {
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110187
zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN4>; /* P0.28 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@5 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN5>; /* P0.29 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@6 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN6>; /* P0.30 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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channel@7 {
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN7>; /* P0.31 */
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zephyr,resolution = <10>;
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zephyr,resolution = <12>;
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};
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};
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pinctrl-1 = <&pwm2_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&i2c0 {
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status = "okay";
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pinctrl-0 = <&i2c0_default>;
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pinctrl-1 = <&i2c0_sleep>;
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pinctrl-names = "default", "sleep";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c1 {
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status = "okay";
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pinctrl-0 = <&i2c1_default>;
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pinctrl-1 = <&i2c1_sleep>;
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pinctrl-names = "default", "sleep";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&rtc2 {
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status = "okay";
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clock-frequency = <32768>;
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prescaler = <1>; // Optional: sets the RTC tick to ~30.5 µs
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};

‎variants/arduino_nano_33_ble_nrf52840_sense/known_example_issues.txt‎

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# Copyright (c) Arduino s.r.l. and/or its affiliated companies
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# SPDX-License-Identifier: Apache-2.0
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# This file contains a list of examples that are shipped with the core (or used
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# by continuous integration tests), but are known to be currently failing for
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# this specific variant.
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#
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# Each line in this file is treated as a regular expression and will be matched
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# against the path of each sketch found in this repo. If a match is found, the
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# sketch compilation result will be ignored.
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‎variants/arduino_nano_33_ble_nrf52840_sense/skip_these_examples.txt‎

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# Copyright (c) Arduino s.r.l. and/or its affiliated companies
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# SPDX-License-Identifier: Apache-2.0
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# This file contains a list of examples that are shipped with the core (or used
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# by continuous integration tests), but are not applicable for this variant,
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# for example because it uses hardware features not present on the CPU or board.
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#
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# Each line in this file should contain the path to an example to exclude,
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# relative to the root of the repository.
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libraries/Arduino_SecureElement
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libraries/Camera
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libraries/Ethernet
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libraries/Storage
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libraries/WiFi
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libraries/Zephyr_SDRAM
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libraries/CAN

‎variants/arduino_nano_33_ble_nrf52840_sense/variant.cpp‎

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/*
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* Copyright (c) Arduino s.r.l. and/or its affiliated companies
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "Arduino.h"
8+
#include <hal/nrf_power.h>
9+
#include <zephyr/dt-bindings/gpio/nordic-nrf-gpio.h>
10+
11+
void _on_1200_bps() {
12+
nrf_power_gpregret_set(NRF_POWER, 0, 0xb0);
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NVIC_SystemReset();
14+
}
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void initVariant(void) {
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static const struct gpio_dt_spec enable_sensors =
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GPIO_DT_SPEC_GET(DT_PATH(zephyr_user), pin_enable_gpios);
19+
if (gpio_is_ready_dt(&enable_sensors)) {
20+
gpio_flags_t flags = enable_sensors.dt_flags | GPIO_OUTPUT_HIGH | GPIO_ACTIVE_HIGH | NRF_GPIO_DRIVE_H0H1;
21+
gpio_pin_configure(enable_sensors.port, enable_sensors.pin, flags);
22+
gpio_pin_set(enable_sensors.port, enable_sensors.pin, HIGH);
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delay(500);
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}
25+
}

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